Product Description
Product Description
1. DIN8187 and DIN8188 form 35-36 / 06B-72B standard roller chains.
2. Side bow chains
3. Simplex / Duplex / Triplex / Multiple.
4. With attachment K1 / K2.
5. Surface: Shot Blasting Natural/Black/Blue/ Nickel plate/ Zinc plate.
Detailed Photos
Product Parameters
Product Advantages
1. Good quality, surface of chain is smooth, shiny and beautiful.
2. Chain is closely, tight.
3. Prompt Delivery.
4. Green Product.
5. International Approval.
6. Experienced Staff.
Company Introduction
Vision Group is 1 of the largest manufacturers of Driving Chain, Conveyor Chain, Motorcycle Chain, Hoisting Chain, Agriculture Chain, Stainless Steel Chain, Dropped Forged Rivetless Chain, Long Pitch Conveyor Chain and so on.
Quality Standard:
GB/T, DIN, ANSI, ISO, BS, JIS.
Our Advantages
Packaging & Shipping
| FAQ |
| Q1: What’s your average lead time? A: It varies. Our regular end-to-end lead time is 1-2 months.. We also provide express shipments for rush orders. For details,please consult our sales associate. Q2: Is your price better than your competitors given the same quality? Q4: Can we inspect the goods before shipment? Q5: What kind of payment method is acceptable for your mill? Q6: What if I have any other questions? |
| Usage: | Transmission Chain |
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| Material: | Alloy/Carbon Steel |
| Surface Treatment: | Polishing |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can hollow pin chains be used in vertical lifting applications?
Yes, hollow pin chains can be used in vertical lifting applications, and they offer several advantages for such uses.
- Strength and Load Capacity: Hollow pin chains are designed to handle moderate to heavy loads, making them suitable for vertical lifting applications that involve lifting heavy objects or materials.
- Attachment Options: Hollow pin chains can be equipped with various attachments, such as hooks or custom links, to facilitate vertical lifting and secure the load properly.
- Flexibility: Hollow pin chains have a certain degree of flexibility, which is beneficial in vertical lifting applications that involve navigating around pulleys or sprockets.
- Reduced Weight: The hollow pin design reduces the weight of the chains, resulting in lower inertia during starts and stops, and enabling smoother vertical lifting operations.
- Corrosion Resistance: For outdoor or corrosive environments, stainless steel hollow pin chains offer excellent corrosion resistance, ensuring the chain’s durability and longevity in such conditions.
- Easy Maintenance: Hollow pin chains are relatively easy to maintain, and regular lubrication and inspection can help extend the chain’s life and ensure safe and reliable vertical lifting.
However, it’s crucial to consider certain factors when using hollow pin chains in vertical lifting applications:
- Proper Tension: Maintaining proper chain tension is essential to ensure safe and efficient vertical lifting. Adequate tension helps to keep the chain engaged with the pulleys or sprockets properly and reduces the risk of the chain derailing or experiencing excessive wear.
- Overhead Safety: When using hollow pin chains for overhead vertical lifting, safety measures are critical. Proper installation, regular inspections, and adherence to safety guidelines are necessary to prevent accidents and ensure the safety of personnel and equipment.
- Limitations on Speed: Hollow pin chains may have limitations in extremely high-speed vertical lifting applications, as excessive speed can lead to increased stress and vibration. Careful consideration of the chain’s speed limits is necessary.
In conclusion, hollow pin chains can be used in vertical lifting applications, offering strength, flexibility, attachment options, reduced weight, corrosion resistance, and ease of maintenance. Proper tensioning and safety measures are essential to ensure safe and efficient vertical lifting operations using hollow pin chains.
What are the benefits of using a stainless steel hollow pin chain in specific environments?
Using a stainless steel hollow pin chain in specific environments offers several advantages due to the unique properties of stainless steel. Here are the benefits:
- Corrosion Resistance: Stainless steel is highly resistant to corrosion and rust, making it ideal for environments where the chain may be exposed to moisture, chemicals, or harsh substances. This property ensures the chain’s longevity and reduces the need for frequent replacement.
- Sanitary Applications: In industries like food processing, pharmaceuticals, and healthcare, cleanliness and sanitation are crucial. Stainless steel hollow pin chains are easy to clean and maintain, making them suitable for applications that require strict hygiene standards.
- Temperature Extremes: Stainless steel maintains its mechanical properties at both high and low temperatures. It can withstand temperature variations without losing strength or becoming brittle, making it suitable for applications in extreme environments.
- Chemical Resistance: Stainless steel is resistant to many chemicals, acids, and alkalis, which is beneficial in environments where exposure to various substances is common.
- Strength and Durability: Stainless steel hollow pin chains offer high tensile strength and durability, making them capable of handling heavy loads and demanding applications.
- Reduced Maintenance: Due to its resistance to corrosion and wear, stainless steel chains require less maintenance compared to chains made from other materials. This translates to reduced downtime and lower overall maintenance costs.
Overall, using a stainless steel hollow pin chain in specific environments provides benefits such as corrosion resistance, suitability for sanitary applications, performance in temperature extremes, chemical resistance, strength, durability, and reduced maintenance. These advantages make stainless steel hollow pin chains an excellent choice for industries and applications that demand reliability and performance in challenging environments.
Can hollow pin chains handle heavy loads and high torque requirements?
Hollow pin chains are designed to handle a wide range of loads and torque requirements, making them suitable for various industrial applications. The ability to handle heavy loads and high torque is influenced by several factors:
- Material Strength: Hollow pin chains are typically constructed from high-quality materials, such as carbon steel or stainless steel. These materials provide excellent strength and durability, allowing the chains to withstand heavy loads and high torque without deformation or failure.
- Chain Size and Pitch: The size and pitch of the hollow pin chain play a crucial role in determining its load-carrying capacity and torque resistance. Larger chain sizes with greater pitch dimensions can handle heavier loads and transmit higher torque levels.
- Attachments: The addition of attachments to the chain can impact its load-carrying capacity and torque capabilities. Well-designed attachments evenly distribute the load and reduce stress concentrations, enhancing the chain’s performance in demanding applications.
- Lubrication and Maintenance: Proper lubrication and regular maintenance are essential for ensuring the smooth operation of hollow pin chains under heavy loads and high torque conditions. Adequate lubrication minimizes friction and wear, while maintenance helps identify and address potential issues before they escalate.
Overall, when correctly selected, installed, and maintained, hollow pin chains can reliably handle heavy loads and high torque requirements in applications such as material handling, conveying, and other industrial processes. It is essential to consider the specific demands of the application and choose the appropriate chain size, material, and attachments to optimize performance and ensure safe and efficient operation.
editor by CX 2023-11-29
China Professional High Quality Stainless Steel Short Pitch Precision Duplex Roller Chains (A series)
Product Description
Product Description
Product Parameters
| Standard | GB, ISO, ANSI, DIN |
| Type | Standard A and standard B precision roller chain, conveyor chain; |
| special chain with accessories, welding chain, leaf chain and sprocket | |
| ANSI chain No. | 40,50,60,80,100,120,140,160,180,200,240; |
| C40,C50,C60,C80,C100,C120,C140,C160; | |
| DIN/ISO chain No. | 08A,10A,12A,16A,20A,24A,28A,32A,36A,40A,48A; |
| C08A,C10A,C12A,C16A,C20A,C24A,C28A,C32A; | |
| Application | Food processing, pharmaceutical and chemical industries, electronics, machinery; |
| household appliances, automotive manufacturing, metallurgy, sewage treatment | |
| Series | A series,B series |
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DETAILS ABOUT CHINAMFG CHAIN
Exhibition
Workshop
Application
Packaging Details
Shipping
FAQ
1. Are you a manufacturer or trade Company?
We are a factory founded in 1997 with a trade team for international service.
2. What terms of payment do you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight
3. What is your lead time for your goods?
Normally 35 days after confirmed order. 30 days could be available in the low season for some items (during May to July), and 45 days during the new year and hot season ( Jan to March).
4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with a maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL, or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.
| Standard or Nonstandard: | Nonstandard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Surface Treatment: | Polishing |
| Structure: | Roller Chain |
| Material: | Stainless Steel |
| Type: | Short Pitch Chain |
| Samples: |
US$ 0/Foot
1 Foot(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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What are the factors that affect roller chain lifespan?
The lifespan of a roller chain can be influenced by several factors. Here’s a detailed answer to the question:
1. Load Capacity: The load capacity of a roller chain refers to its ability to handle the applied load without experiencing excessive stress or deformation. Using a roller chain that is properly sized and rated for the specific application’s load requirements is crucial for ensuring a longer lifespan.
2. Lubrication: Proper lubrication is essential for reducing friction and wear in a roller chain. Insufficient lubrication can lead to increased friction, heat generation, and accelerated wear. On the other hand, over-lubrication can attract contaminants and contribute to chain wear. Regular and proper lubrication based on the manufacturer’s recommendations is necessary to maximize chain lifespan.
3. Alignment: Proper alignment between the sprockets and the roller chain is critical for smooth operation and reduced wear. Misalignment can cause the chain to rub against the sprocket teeth, leading to increased friction and premature wear. Regular inspection and adjustment of the sprocket alignment can help extend the chain’s lifespan.
4. Environmental Conditions: The operating environment can have a significant impact on the lifespan of a roller chain. Factors such as temperature extremes, moisture, dust, chemicals, and abrasive contaminants can accelerate wear and corrosion. Using appropriate chain coatings, seals, and regular cleaning can help protect the chain and extend its lifespan.
5. Maintenance: Regular maintenance practices, including inspection, lubrication, and adjustment, are crucial for maximizing the lifespan of a roller chain. Periodic inspection for wear, damaged links, or other issues allows for timely replacement or repair, preventing further damage and potential chain failure.
6. Material Quality: The quality of the roller chain material affects its durability and resistance to wear. High-quality materials, such as alloy steel, with proper heat treatment and surface hardening, can enhance the chain’s strength and resistance to fatigue and wear.
7. Operational Conditions: The operating conditions, including speed, shock loads, and cycle frequency, can impact the chain’s lifespan. Excessive speeds, sudden changes in loads, or frequent starts and stops can put additional stress on the chain, leading to accelerated wear and potential failure.
By considering these factors and implementing proper maintenance and operating practices, the lifespan of a roller chain can be optimized, ensuring reliable and efficient performance over an extended period.
Can roller chains be used for power transmission in mining equipment?
Yes, roller chains can be used for power transmission in mining equipment. Here’s a detailed answer to the question:
Mining equipment often requires robust and reliable power transmission systems to handle the demanding conditions and heavy loads encountered in mining operations. Roller chains have proven to be a suitable choice for power transmission in mining equipment due to their various advantages:
1. High Strength and Durability: Roller chains are designed to withstand high loads and provide reliable power transmission in challenging environments. They are made from high-strength materials such as alloy steel, which enables them to handle the heavy loads typically encountered in mining applications.
2. Resistance to Shock and Impact: Mining equipment often operates in rugged environments with frequent shock and impact loads. Roller chains are engineered to handle such conditions and can withstand the sudden changes in load and direction without compromising their performance or integrity.
3. Flexibility and Adaptability: Roller chains have inherent flexibility, allowing them to accommodate misalignment and angular movement between sprockets. This flexibility helps to ensure smooth and efficient power transmission even in applications where slight misalignments may occur due to the nature of the mining equipment.
4. Resistance to Contaminants: Mining environments can be dusty and contain abrasive particles. Roller chains are designed to resist contamination and maintain their performance even in dirty and harsh conditions. Proper sealing and lubrication can further enhance their resistance to contaminants.
5. Easy Maintenance and Replacement: Roller chains are relatively easy to maintain and replace. Regular inspection, lubrication, and tension adjustment can help ensure optimal performance and extend the lifespan of the chain. In case of wear or damage, individual chain links can be replaced without the need for replacing the entire chain, making maintenance more cost-effective.
It’s important to note that when using roller chains in mining equipment, proper selection, installation, and maintenance are crucial. Working with reputable suppliers and following recommended guidelines for chain selection, lubrication, and tensioning can help maximize the performance and longevity of the roller chain system in mining applications.
How do you measure roller chain wear?
Measuring roller chain wear is important to determine if the chain is still within acceptable tolerances or if it needs to be replaced. Here are the steps to measure roller chain wear:
1. Chain Elongation Measurement: Chain elongation is a common form of wear in roller chains. To measure chain elongation, you’ll need a ruler or caliper with metric units and a reference length of the chain. The reference length is typically a certain number of pitches, which is the distance from one roller to the next.
2. Select Reference Points: Choose two reference points on the chain, ideally at least 10 pitches apart. These points should be accessible and free from any significant wear or damage.
3. Measure the Distance: With the chain in a relaxed state, measure the distance between the reference points. This can be done by aligning the ruler or caliper with the rollers of the chain. Ensure the measurement is taken along the same side of the chain throughout the process.
4. Compare with the Manufacturer’s Specification: Consult the manufacturer’s specification or maintenance manual to determine the allowable elongation limit. Typically, roller chains have a maximum allowable elongation of around 1-2% before replacement is recommended.
5. Calculate Elongation Percentage: Calculate the elongation percentage by comparing the measured distance with the reference length. Subtract the reference length from the measured distance, divide the result by the reference length, and multiply by 100 to get the elongation percentage.
6. Determine Chain Condition: If the elongation percentage exceeds the manufacturer’s recommended limit, it indicates significant wear and elongation of the chain. In such cases, it is advisable to replace the chain to prevent potential failure and damage to the machinery.
It’s important to note that measuring chain wear is just one aspect of assessing chain condition. Visual inspection for signs of wear, such as pin wear, plate wear, or roller wear, is also crucial. If you notice any signs of damage or wear during the inspection, it is recommended to replace the chain, regardless of the elongation measurement.
editor by CX 2023-11-06
China Standard Gearbox Transmission Belt Parts Attachment Products 15 a Series Short Pitch Precision Simplex Roller Chains and Bush Chains for Agriculture
Product Description
A Series Short pitch Precision Simplex Roller Chains & Bush Chains
| ISO/ANSI/ DIN Chain No. |
China Chain No. |
Pitch P mm |
Roller diameter
d1max |
Width between inner plates b1min mm |
Pin diameter
d2max |
Pin length | Inner plate depth h2max mm |
Plate thickness
Tmax |
Tensile strength
Qmin |
Average tensile strength Q0 kN |
Weight per meter q kg/m |
|
| Lmax mm |
Lcmax mm |
|||||||||||
| 15 | *03C | 4.7625 | 2.48 | 2.38 | 1.62 | 6.10 | 6.90 | 4.30 | 0.60 | 1.80/409 | 2.0 | 0.08 |
*Bush chain:d1 in the table indicates the external diameter of the bush
ROLLER CHAIN
Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.
CONSTRUCTION OF THE CHAIN
Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CHINAMFG which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.
The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.
LUBRICATION
Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]
There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.
Many oil-based lubricants attract dirt and other particles, eventually forming an CHINAMFG paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.
VARIANTS DESIGN
Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.
Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.
Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.
USE
An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CHINAMFG the bar.
Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CHINAMFG flight, a system known as Thrust vectoring.
WEAR
The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).
With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.
The lengthening due to wear of a chain is calculated by the following formula:
M = the length of a number of links measured
S = the number of links measured
P = Pitch
In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.
CHAIN STRENGTH
The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.
The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.
CHAIN STHangZhouRDS
Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.
ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
| ASME/ANSI B29.1-2011 Roller Chain Standard Sizes | ||||
| Size | Pitch | Maximum Roller Diameter | Minimum Ultimate Tensile Strength | Measuring Load |
|---|---|---|---|---|
| 25 | 0.250 in (6.35 mm) | 0.130 in (3.30 mm) | 780 lb (350 kg) | 18 lb (8.2 kg) |
| 35 | 0.375 in (9.53 mm) | 0.200 in (5.08 mm) | 1,760 lb (800 kg) | 18 lb (8.2 kg) |
| 41 | 0.500 in (12.70 mm) | 0.306 in (7.77 mm) | 1,500 lb (680 kg) | 18 lb (8.2 kg) |
| 40 | 0.500 in (12.70 mm) | 0.312 in (7.92 mm) | 3,125 lb (1,417 kg) | 31 lb (14 kg) |
| 50 | 0.625 in (15.88 mm) | 0.400 in (10.16 mm) | 4,880 lb (2,210 kg) | 49 lb (22 kg) |
| 60 | 0.750 in (19.05 mm) | 0.469 in (11.91 mm) | 7,030 lb (3,190 kg) | 70 lb (32 kg) |
| 80 | 1.000 in (25.40 mm) | 0.625 in (15.88 mm) | 12,500 lb (5,700 kg) | 125 lb (57 kg) |
| 100 | 1.250 in (31.75 mm) | 0.750 in (19.05 mm) | 19,531 lb (8,859 kg) | 195 lb (88 kg) |
| 120 | 1.500 in (38.10 mm) | 0.875 in (22.23 mm) | 28,125 lb (12,757 kg) | 281 lb (127 kg) |
| 140 | 1.750 in (44.45 mm) | 1.000 in (25.40 mm) | 38,280 lb (17,360 kg) | 383 lb (174 kg) |
| 160 | 2.000 in (50.80 mm) | 1.125 in (28.58 mm) | 50,000 lb (23,000 kg) | 500 lb (230 kg) |
| 180 | 2.250 in (57.15 mm) | 1.460 in (37.08 mm) | 63,280 lb (28,700 kg) | 633 lb (287 kg) |
| 200 | 2.500 in (63.50 mm) | 1.562 in (39.67 mm) | 78,175 lb (35,460 kg) | 781 lb (354 kg) |
| 240 | 3.000 in (76.20 mm) | 1.875 in (47.63 mm) | 112,500 lb (51,000 kg) | 1,000 lb (450 kg |
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
| Pitch (inches) | Pitch expressed in eighths |
ANSI standard chain number |
Width (inches) |
|---|---|---|---|
| 1⁄4 | 2⁄8 | 25 | 1⁄8 |
| 3⁄8 | 3⁄8 | 35 | 3⁄16 |
| 1⁄2 | 4⁄8 | 41 | 1⁄4 |
| 1⁄2 | 4⁄8 | 40 | 5⁄16 |
| 5⁄8 | 5⁄8 | 50 | 3⁄8 |
| 3⁄4 | 6⁄8 | 60 | 1⁄2 |
| 1 | 8⁄8 | 80 | 5⁄8 |
Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.
Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.
Roller chains made using ISO standard are sometimes called as isochains.
WHY CHOOSE US
1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CHINAMFG Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CHINAMFG range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Surface Treatment: | Polishing |
| Samples: |
US$ 3/Meter
1 Meter(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there any environmental considerations when using roller chains?
Yes, there are several environmental considerations to keep in mind when using roller chains. Here’s a detailed answer to the question:
1. Lubricants: The choice of lubricant for roller chains can have an environmental impact. It’s important to select lubricants that are environmentally friendly and comply with any relevant regulations. Biodegradable lubricants or those with low toxicity are often preferred to minimize environmental harm in case of leaks or spills.
2. Contamination: Roller chains can be susceptible to contamination from dust, dirt, or other particles present in the operating environment. Contaminants can accelerate wear and reduce the lifespan of the chain. Implementing proper sealing measures, such as using protective covers or enclosures, can help prevent contamination and maintain chain performance.
3. Noise and Vibration: Roller chains can generate noise and vibration during operation, which may have environmental implications, especially in noise-sensitive areas. Employing noise reduction measures, such as using noise-dampening materials or implementing sound barriers, can help mitigate the impact of chain noise on the surrounding environment.
4. Corrosion Protection: In corrosive environments, protecting the roller chain from corrosion is crucial. Corrosion not only affects the performance and lifespan of the chain but can also lead to the release of harmful substances into the environment. Using corrosion-resistant materials or applying appropriate coatings can help minimize environmental risks.
5. Energy Efficiency: Roller chains should be properly tensioned and maintained to ensure efficient power transmission. By optimizing the performance of the chain, energy consumption can be minimized, resulting in reduced environmental impact.
6. Recycling and Disposal: When roller chains reach the end of their lifespan, proper disposal or recycling should be considered. Some components of the chain, such as metal links, can be recycled to minimize waste and conserve resources. Local regulations and recycling facilities should be consulted for guidance on the proper disposal or recycling methods.
It’s important to assess the specific environmental requirements and regulations in the operating environment and choose roller chain solutions that align with sustainable practices and minimize any negative environmental impacts.
How do roller chains handle angular misalignment between sprockets?
Roller chains are designed to accommodate a certain degree of angular misalignment between sprockets. Here’s a detailed answer to the question:
1. Flexibility: Roller chains have inherent flexibility, allowing them to adapt to slight misalignments between sprockets. The chain links can articulate and adjust their position to compensate for the angular misalignment. This flexibility helps to reduce stress on the chain and the sprockets.
2. Chain Articulation: The individual chain links in a roller chain are connected by pins, allowing them to rotate and articulate as the chain engages with the sprockets. This articulation enables the chain to follow the angular movement of the sprockets and maintain proper engagement. It helps to distribute the load evenly across the chain and minimize concentrated stresses on individual chain links.
3. Tolerance for Misalignment: Roller chains have a certain tolerance for angular misalignment between the sprockets. The exact amount of misalignment that a chain can handle depends on factors such as chain size, pitch, and design. However, it’s important to note that excessive misalignment can lead to accelerated wear, increased noise, and reduced chain life.
4. Proper Alignment: While roller chains can tolerate some degree of angular misalignment, it’s still essential to aim for proper sprocket alignment whenever possible. Proper alignment helps to optimize chain performance, minimize wear, and extend the lifespan of the chain and sprockets. Aligning the sprockets correctly ensures that the chain engages smoothly and uniformly with the sprocket teeth, reducing the risk of premature wear or failure.
5. Regular Inspection and Maintenance: To ensure optimal performance and longevity, it’s important to regularly inspect the roller chain system for any signs of misalignment or excessive wear. Routine maintenance, such as lubrication and tension adjustment, helps to mitigate the effects of misalignment and promotes smooth operation.
While roller chains can handle a certain degree of angular misalignment, it’s always recommended to minimize misalignment and strive for proper sprocket alignment to ensure optimal performance, efficiency, and longevity of the chain and sprocket system.
What are the signs of roller chain wear and when should it be replaced?
Roller chain wear is a natural occurrence due to the repetitive motion and load-bearing nature of the chain. Recognizing the signs of wear is important to ensure the safe and efficient operation of the chain. Here’s a detailed answer to the question:
1. Elongation: Roller chains can elongate over time due to wear on the pins, bushings, and rollers. To check for elongation, measure the distance between a specific number of links (e.g., 10 or 12) over a known length. If the measured distance exceeds the standard pitch length, it indicates chain elongation and the need for replacement.
2. Chain Slack: Excessive chain slack or sag is another sign of wear. When the chain becomes elongated, it fails to maintain the proper tension, resulting in increased slack. Excessive chain slack can cause poor engagement with sprockets, resulting in skipping or jumping and affecting the overall performance of the chain.
3. Misalignment: As a roller chain wears, it may start to misalign with the sprockets. This misalignment can cause the chain to ride unevenly on the sprocket teeth, leading to accelerated wear on the chain and sprockets. If you notice the chain consistently riding to one side of the sprocket, it may be a sign of wear and misalignment.
4. Chain Noise: Worn roller chains can produce increased noise during operation. Excessive wear on the chain components can cause rattling, clicking, or grinding sounds. Unusual noises should be investigated, as they may indicate significant wear or damage to the chain.
5. Visible Signs of Wear: Inspect the chain visually for signs of wear, such as rust, discoloration, or visible damage to the rollers, pins, or bushings. Excessive wear on these components can affect the chain’s ability to properly engage with the sprockets and transmit power efficiently.
When to replace a roller chain depends on various factors, including the severity of wear, the criticality of the application, and the manufacturer’s recommendations. It is generally recommended to replace a roller chain when it has elongated beyond the allowable limits, exhibits excessive wear, or shows signs of damage that can compromise its performance and safety.
Regular inspection and maintenance of roller chains are essential to identify signs of wear and ensure timely replacement. Replacing the chain at the appropriate time helps prevent unexpected failures, reduces downtime, and maintains the overall efficiency of the machinery or equipment.
editor by CX 2023-11-03
China OEM ANSI Roller Chains with Extended Bearing Pins
Product Description
Extended bearing pins
Short-pitch transmission precision roller and bush chains
Used industrial transmission roller chains;Industrial and agricultural machinery, including conveyors,wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.It consists of a series of short cylindrical rollers held together by side links.It is a simple, reliable, and efficient means of power transmission.
Quadruplex Roller Chains are widely used in Conveyors, automobiles and other industrial machines for easy operation and fast process.
| Goods | Roller chains K attachments |
| Package | we use carton or pallet; we have regular sizes and the loading capacities of them. |
| Full | New |
| Delivery detail | 2-3 weeks after receiving your advance payment. |
| Shipping method | Sea, air, express delivery. |
Extended pin: with the bearing pin extended on 1 side of the chain
Extended pin dimensions
HangZhou CHINAMFG Jin Hao International Trade Co., Ltd.
Hoping sincerely that you can choose our company;We will serve wholeheartedly for you by our rich experience!
Glad to be of service.Please feel free to contact us anytime !!!
We 24 hours service for you!
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Surface Treatment: | Oxygenation |
| Structure: | Roller Chain |
| Material: | Carbon Steel |
| Type: | Short Pitch Chain |
| Samples: |
US$ 6.87/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do roller chains handle variable speed applications?
Roller chains are well-suited for variable speed applications due to their inherent design characteristics. Here’s a detailed answer to the question:
1. Speed Range: Roller chains can accommodate a wide range of speeds, making them suitable for variable speed applications. The speed of the driven sprocket can be adjusted, and the chain will adapt to the changing speed requirements.
2. Smooth Power Transmission: Roller chains provide smooth and consistent power transmission even at varying speeds. The engagement between the chain and the sprockets remains constant, ensuring reliable power transfer without slippage or loss of efficiency.
3. Tension Adjustment: In variable speed applications, the tension of the roller chain may need to be adjusted to maintain optimal performance. Proper tension ensures proper engagement with the sprockets and prevents excessive wear or elongation of the chain.
4. Lubrication: Adequate lubrication is crucial for roller chains in variable speed applications. Lubrication helps reduce friction, wear, and heat generation, ensuring smooth operation and extending the chain’s lifespan. Depending on the speed range and operating conditions, the appropriate lubrication method and frequency should be determined.
5. Chain Selection: Selecting the right type and size of roller chain is important for variable speed applications. Different chain designs and materials may have specific speed limitations or performance characteristics. Consulting the manufacturer’s specifications and recommendations can help ensure the chain’s compatibility with the required speed range.
6. System Design Considerations: When designing variable speed applications with roller chains, factors such as sprocket sizes, drive ratios, and load requirements should be carefully considered. Proper sizing and alignment of the sprockets, as well as selecting the appropriate chain pitch, can contribute to the smooth operation and longevity of the system.
It’s important to note that proper maintenance, including regular inspection, lubrication, and tension adjustment, is essential for roller chains in variable speed applications. Monitoring the chain’s condition and addressing any signs of wear or damage promptly will help ensure safe and reliable operation.
How do roller chains handle angular misalignment between sprockets?
Roller chains are designed to accommodate a certain degree of angular misalignment between sprockets. Here’s a detailed answer to the question:
1. Flexibility: Roller chains have inherent flexibility, allowing them to adapt to slight misalignments between sprockets. The chain links can articulate and adjust their position to compensate for the angular misalignment. This flexibility helps to reduce stress on the chain and the sprockets.
2. Chain Articulation: The individual chain links in a roller chain are connected by pins, allowing them to rotate and articulate as the chain engages with the sprockets. This articulation enables the chain to follow the angular movement of the sprockets and maintain proper engagement. It helps to distribute the load evenly across the chain and minimize concentrated stresses on individual chain links.
3. Tolerance for Misalignment: Roller chains have a certain tolerance for angular misalignment between the sprockets. The exact amount of misalignment that a chain can handle depends on factors such as chain size, pitch, and design. However, it’s important to note that excessive misalignment can lead to accelerated wear, increased noise, and reduced chain life.
4. Proper Alignment: While roller chains can tolerate some degree of angular misalignment, it’s still essential to aim for proper sprocket alignment whenever possible. Proper alignment helps to optimize chain performance, minimize wear, and extend the lifespan of the chain and sprockets. Aligning the sprockets correctly ensures that the chain engages smoothly and uniformly with the sprocket teeth, reducing the risk of premature wear or failure.
5. Regular Inspection and Maintenance: To ensure optimal performance and longevity, it’s important to regularly inspect the roller chain system for any signs of misalignment or excessive wear. Routine maintenance, such as lubrication and tension adjustment, helps to mitigate the effects of misalignment and promotes smooth operation.
While roller chains can handle a certain degree of angular misalignment, it’s always recommended to minimize misalignment and strive for proper sprocket alignment to ensure optimal performance, efficiency, and longevity of the chain and sprocket system.
How do you tension a roller chain correctly?
Proper tensioning of a roller chain is crucial for its optimal performance and longevity. Here’s a detailed answer to the question:
1. Initial Installation: When installing a roller chain, it’s important to ensure that it has the correct tension from the beginning. Start by positioning the sprockets at their desired locations, ensuring proper alignment. Then, adjust the position of the shafts or tensioning devices to achieve the desired chain tension.
2. Check the Slack: After installation, check the slack or sag in the chain. The ideal tension allows for a small amount of slack to accommodate articulation around the sprockets. The slack should be uniform along the chain’s length.
3. Adjust the Tensioner: If the chain tension is too loose, adjust the tensioner to take up the slack. Tensioners can be spring-loaded devices, adjustable bolts, or idler sprockets designed to maintain proper tension. Follow the manufacturer’s instructions or recommended guidelines to set the tensioner to the appropriate position.
4. Measure the Deflection: Another method to ensure correct chain tension is to measure the chain deflection. Apply a slight force perpendicular to the chain midway between the sprockets. The deflection should typically be within a specified range, depending on the chain size and application. Refer to the manufacturer’s guidelines for the recommended deflection values.
5. Regular Inspections: Regularly inspect the chain tension to ensure it remains within the desired range. Factors such as wear, elongation, and changes in operating conditions can affect chain tension over time. Adjust the tension as necessary to maintain optimal performance.
6. Follow Manufacturer’s Recommendations: It’s important to follow the manufacturer’s recommendations for chain tensioning specific to the type and model of roller chain being used. These guidelines will provide specific instructions based on the chain’s design, load capacity, and intended application.
Proper tensioning of a roller chain helps ensure smooth operation, minimize wear, reduce the risk of failure, and extend the chain’s lifespan. It’s essential to regularly monitor and adjust the tension as needed, especially during routine maintenance checks, to maintain optimal performance and prevent potential issues.
editor by CX 2023-11-03
China Standard Stainless Steel Short Pitch Precision Roller Chains (A Series) ANSI/ISO Standard
Product Description
MODEL NO.: SS04C,SS06C,SS08A,SS10A,SS12A,SS16A,SS20A,SS24A,SS28A,SS32A,SS36A,SS40A,SS48A
SS25,SS35,SS40,SS50,SS60,SS80,SS1, HangZhou, China.
Branch: Yingbin Rd., HangZhou, HangZhou, ZHangZhoug, China
Web: xmpower
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Conveyer Equipment, Packaging Machinery, Food Machinery |
| Surface Treatment: | Polishing |
| Samples: |
US$ 0/Foot
1 Foot(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do roller chains handle dusty or dirty environments?
Roller chains are designed to operate effectively in various environments, including dusty or dirty conditions. Here’s a detailed answer to the question:
1. Sealed Construction: Many roller chains feature a sealed construction, which helps to protect the internal components from dust, dirt, and other contaminants. The seals help to prevent the entry of particles into the chain’s joints and lubrication areas, reducing the risk of wear and damage caused by abrasive particles.
2. Proper Lubrication: Adequate lubrication is crucial in dusty or dirty environments. The lubricant forms a protective film on the chain’s surfaces, reducing friction and wear. It also helps to flush away and prevent the accumulation of dirt and particles. Regular lubrication maintenance is necessary to ensure the chain remains properly lubricated and protected.
3. Periodic Cleaning: In dusty or dirty environments, it is important to periodically clean the roller chain to remove accumulated debris. This can be done using compressed air or gentle brushing. Care should be taken not to use excessive force or abrasive materials that could damage the chain.
4. Proper Chain Covering: In some applications, it may be necessary to use chain covers or guards to provide additional protection against dust and debris. These covers help to shield the chain from direct exposure to contaminants, reducing the risk of accelerated wear and damage.
5. Regular Inspection: Regular visual inspection of the roller chain is essential in dusty or dirty environments. This allows for the early detection of any signs of wear, corrosion, or contamination. If any issues are identified, appropriate maintenance or replacement should be performed promptly.
It’s important to note that even with these measures, roller chains used in dusty or dirty environments will still require proper maintenance and periodic cleaning. Following manufacturer recommendations for lubrication, cleaning, and inspection will help ensure the longevity and reliable performance of the roller chain in such conditions.
Can roller chains be used for power transmission in construction equipment?
Roller chains can indeed be used for power transmission in construction equipment. Here’s a detailed answer to the question:
Construction equipment often requires a reliable and robust power transmission system to handle heavy loads and operate in demanding environments. Roller chains offer several advantages that make them well-suited for power transmission in construction equipment:
1. High Strength: Roller chains are designed to withstand high tensile and impact loads, making them suitable for the heavy-duty requirements of construction equipment. They are capable of transmitting substantial power without deformation or failure.
2. Durability: Construction sites can expose equipment to harsh conditions such as dust, debris, and vibrations. Roller chains are built to be durable and resistant to these challenging environments. They are constructed from high-quality materials and undergo heat treatment processes to enhance their strength and wear resistance.
3. Versatility: Roller chains can be used in various construction equipment applications, including excavators, loaders, bulldozers, cranes, and concrete mixers. They can efficiently transmit power from the engine to different components such as wheels, tracks, and attachments, allowing the equipment to perform a wide range of tasks.
4. Cost-Effectiveness: Roller chains offer a cost-effective solution for power transmission in construction equipment. They have a relatively low initial cost compared to alternative systems, and their durability and long service life contribute to lower maintenance and replacement costs over time.
5. Easy Installation and Maintenance: Roller chains are easy to install and maintain, requiring regular lubrication and periodic inspection for wear and proper tension. Maintenance tasks can be performed on-site, reducing downtime and increasing equipment availability.
It’s important to note that proper chain selection, sizing, and maintenance are crucial for ensuring optimal performance and longevity in construction equipment applications. Following the manufacturer’s guidelines and recommendations for chain installation, lubrication, and tensioning is essential to maximize the efficiency and reliability of the power transmission system.
What are the signs of roller chain wear and when should it be replaced?
Roller chain wear is a natural occurrence due to the repetitive motion and load-bearing nature of the chain. Recognizing the signs of wear is important to ensure the safe and efficient operation of the chain. Here’s a detailed answer to the question:
1. Elongation: Roller chains can elongate over time due to wear on the pins, bushings, and rollers. To check for elongation, measure the distance between a specific number of links (e.g., 10 or 12) over a known length. If the measured distance exceeds the standard pitch length, it indicates chain elongation and the need for replacement.
2. Chain Slack: Excessive chain slack or sag is another sign of wear. When the chain becomes elongated, it fails to maintain the proper tension, resulting in increased slack. Excessive chain slack can cause poor engagement with sprockets, resulting in skipping or jumping and affecting the overall performance of the chain.
3. Misalignment: As a roller chain wears, it may start to misalign with the sprockets. This misalignment can cause the chain to ride unevenly on the sprocket teeth, leading to accelerated wear on the chain and sprockets. If you notice the chain consistently riding to one side of the sprocket, it may be a sign of wear and misalignment.
4. Chain Noise: Worn roller chains can produce increased noise during operation. Excessive wear on the chain components can cause rattling, clicking, or grinding sounds. Unusual noises should be investigated, as they may indicate significant wear or damage to the chain.
5. Visible Signs of Wear: Inspect the chain visually for signs of wear, such as rust, discoloration, or visible damage to the rollers, pins, or bushings. Excessive wear on these components can affect the chain’s ability to properly engage with the sprockets and transmit power efficiently.
When to replace a roller chain depends on various factors, including the severity of wear, the criticality of the application, and the manufacturer’s recommendations. It is generally recommended to replace a roller chain when it has elongated beyond the allowable limits, exhibits excessive wear, or shows signs of damage that can compromise its performance and safety.
Regular inspection and maintenance of roller chains are essential to identify signs of wear and ensure timely replacement. Replacing the chain at the appropriate time helps prevent unexpected failures, reduces downtime, and maintains the overall efficiency of the machinery or equipment.
editor by CX 2023-11-02
China Standard ANSI Roller Chains with Extended Bearing Pins
Product Description
Extended bearing pins
Short-pitch transmission precision roller and bush chains
Used industrial transmission roller chains;Industrial and agricultural machinery, including conveyors,wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.It consists of a series of short cylindrical rollers held together by side links.It is a simple, reliable, and efficient means of power transmission.
Quadruplex Roller Chains are widely used in Conveyors, automobiles and other industrial machines for easy operation and fast process.
| Goods | Roller chains K attachments |
| Package | we use carton or pallet; we have regular sizes and the loading capacities of them. |
| Full | New |
| Delivery detail | 2-3 weeks after receiving your advance payment. |
| Shipping method | Sea, air, express delivery. |
Extended pin: with the bearing pin extended on 1 side of the chain
Extended pin dimensions
HangZhou CHINAMFG Jin Hao International Trade Co., Ltd.
Hoping sincerely that you can choose our company;We will serve wholeheartedly for you by our rich experience!
Glad to be of service.Please feel free to contact us anytime !!!
We 24 hours service for you!
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Surface Treatment: | Oxygenation |
| Structure: | Roller Chain |
| Material: | Carbon Steel |
| Type: | Short Pitch Chain |
| Samples: |
US$ 6.87/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there any special considerations for installing roller chains?
Proper installation of roller chains is crucial to ensure their optimal performance and longevity. Here are some key considerations for installing roller chains:
1. Alignment: Ensure proper alignment of the sprockets to prevent side loading and premature wear. The sprockets should be aligned parallel to each other and positioned at the correct distance according to the chain’s pitch.
2. Tension: Proper chain tension is essential for smooth operation and to prevent excessive wear. Follow the manufacturer’s recommendations for the appropriate tension based on the specific chain type and application. It’s important to achieve the correct tension without over-tightening, as excessive tension can lead to increased stress and accelerated wear.
3. Lubrication: Apply the appropriate lubricant to the roller chain during installation. Lubrication helps reduce friction, wear, and heat generation. Follow the manufacturer’s recommendations for the type and frequency of lubrication based on the operating conditions and chain design. Ensure even distribution of lubricant along the chain’s length.
4. Sprocket Teeth Engagement: Check that the chain properly engages with the teeth of the sprockets. The chain should fit snugly into the sprocket teeth without excessive clearance or interference. Incorrect engagement can cause slippage, uneven wear, and premature failure.
5. Chain Length: Ensure that the chain length is appropriate for the application. Avoid excessive slack or excessive tension by adjusting the chain length accordingly. An incorrectly sized chain can lead to poor performance, increased wear, and potential damage to the chain and sprockets.
6. Protection: Consider using chain guards or covers to protect the roller chain from external contaminants such as dust, dirt, or debris. This helps minimize wear and extends the chain’s lifespan, particularly in harsh or dirty environments.
7. Regular Inspection: Regularly inspect the roller chain and sprockets for signs of wear, damage, or misalignment. Monitor the chain’s performance and address any issues promptly to avoid further damage and prevent unexpected downtime.
8. Proper Tools and Techniques: Use appropriate tools and techniques during installation to ensure accuracy and prevent damage to the chain or components. Follow the manufacturer’s guidelines or consult with experts for specific installation instructions.
By following these considerations and best practices, you can ensure proper installation of roller chains and maximize their performance and durability in your application.
Can roller chains be used for power transmission in industrial equipment?
Yes, roller chains are widely used for power transmission in various industrial equipment and machinery. Here’s a detailed answer to the question:
1. Versatility: Roller chains are known for their versatility and can be used in a wide range of industrial applications. They are commonly employed in machinery such as conveyors, agitators, mixers, hoists, elevators, packaging equipment, material handling systems, and many other types of industrial equipment.
2. Power Transmission: Roller chains excel in transmitting power from one rotating shaft to another. They can efficiently transfer high torque and handle heavy loads, making them suitable for demanding industrial applications where power transmission is required.
3. Load Capacity: Roller chains are designed to withstand significant loads and provide reliable power transmission. They are available in various sizes and strengths, allowing for customization based on the specific load requirements of the industrial equipment.
4. Durability: Roller chains are built to be durable and withstand harsh operating conditions typically encountered in industrial environments. They are constructed using high-quality materials and undergo heat treatment processes to enhance their strength and resistance to wear, fatigue, and elongation.
5. Efficiency: Roller chains offer high transmission efficiency due to their positive engagement with the sprockets. The rollers on the chain engage with the sprocket teeth, minimizing slippage and ensuring reliable power transfer. This results in efficient operation and optimized performance of industrial equipment.
6. Easy Maintenance: Roller chains are relatively easy to maintain, especially when compared to other power transmission systems. Proper lubrication and periodic inspection are essential to ensure smooth operation and extend the chain’s lifespan. Regular maintenance routines can be implemented to keep the chains in optimal condition and minimize downtime.
7. Cost-Effectiveness: Roller chains are generally cost-effective compared to alternative power transmission methods. They offer a balance between performance, durability, and affordability, making them a popular choice for power transmission in industrial equipment.
In summary, roller chains are well-suited for power transmission in industrial equipment due to their versatility, load capacity, durability, efficiency, ease of maintenance, and cost-effectiveness. When selecting roller chains for industrial applications, it’s important to consider factors such as load requirements, speed, environmental conditions, and compatibility with the specific equipment to ensure optimal performance and longevity.
Can roller chains be used in corrosive environments?
Roller chains can be used in certain corrosive environments, but it depends on the specific conditions and the type of roller chain used. Here’s a detailed answer to the question:
In general, standard roller chains are not suitable for prolonged exposure to corrosive environments, as they are typically made from carbon steel and are vulnerable to corrosion. However, there are specialized roller chains available that are specifically designed to withstand corrosive conditions. These chains are typically made from corrosion-resistant materials such as stainless steel or nickel-plated steel.
Corrosion-resistant roller chains offer several advantages:
1. Enhanced Corrosion Resistance: The use of corrosion-resistant materials provides excellent resistance to rust, oxidation, and chemical corrosion. This makes them suitable for applications where the chain is exposed to moisture, chemicals, or other corrosive agents.
2. Extended Lifespan: Corrosion-resistant roller chains have a longer service life compared to standard chains in corrosive environments. The resistance to corrosion helps maintain the chain’s structural integrity and prevents premature wear or failure.
3. Reduced Downtime and Maintenance: By using corrosion-resistant roller chains, maintenance and downtime due to chain corrosion are minimized. These chains require less frequent lubrication and are less prone to seizing or becoming stuck due to corrosion, resulting in reduced maintenance and increased operational efficiency.
However, it’s important to note that even corrosion-resistant roller chains have limitations. The level of corrosion resistance can vary depending on the specific material and environmental factors. In highly aggressive or extreme corrosive environments, additional protective measures such as specialized coatings or sealants may be necessary.
Before selecting a roller chain for a corrosive environment, it is essential to consider the severity of the corrosion, temperature, chemical exposure, and other environmental factors. Consulting with a knowledgeable supplier or engineer can help determine the most suitable chain material and design for the specific application.
editor by CX 2023-11-02
China best Short Pitch Precision Single Row Roller Chains (B Series) ANSI/ISO Standard
Product Description
MODEL NO.: 04B-1, 05B-1,06B-1,08B-1,10B-1,12B-1,16B-1,20B-1,24B-1,28B-1,32B-1,36B-1,40B-1,48B-1,56B-1,64B-1,72B-1;
Simplex(single row)
HangZhou Power Transmission company has specialized producing chains and sprocket products for over
10 years. Rising from domestic market, now with abundant industry experience, it has become an important supplier and exporter in South China, and set up its own qualified brands.
QUALITY is the essence of long term business and support to our customers. Production is strictly controlled from origin, normal material choices : 45Mn, 30GeMnTi, #10, 20Mn, Stainless Steel, Customized material, through strict technique standards of ANSI, DIN, ISO.
| Material chosen | Well wire-cutting |
| Plate shot peening | Bluing |
| Well through heat-treatment | |
| Carburizing | Quenching |
| Tempering | |
| Oiling/greasing | |
| Pre-stretched | |
| Pre-running | |
XMPOWER mainly cover products as below:
| Drive Chains | A Series Short Pitch Precision Roller Chains | B Series Short Pitch Precision Roller Chains |
| Heavy Series Short Pitch Roller Chains | Short Pitch Straight Side Plate chains | |
| Agricultural Chains and Attachments | Oil field Roller Chains | |
| Heavy-duty Cranked link Roller Chains | AB Series Double Pitch Conveyor Roller Chains | |
| Coupling Chains | AB Series Straight Sidebar Roller Chain | |
| Silent Chains | PIV Chains | |
| Conveyor Chains | Double Pitch Stright Side Plate Conveyor Chains (A & B Series) | |
| Double Pitch Large Roller Conveyor Chains (A & B Series) | ||
| Attachments A1, K1, SA1, SK1, WA1, WA2, WK1, WK2, AA1, KK1, SAA1, SKK1, D1, D3, etc. | ||
| Hollow Pin Chains (B/BUSH/ROLLER Type) | Side Bow Roller Chains | |
| Double Flex Chains | Double Plus Chains | |
| Sharp Top Chains | Flat-top Chains | |
| FV/FVT/FVC Series Conveyor chains | M/MT/MC Series Conveyor chains | |
| Side Roller Conveyor Chains | Top Roller Conveyor Chains | |
| Lumber Conveyor Chains | Mining and Metallurgy Conveyor Chains | |
| Leaf Chains | AL Series Leaf Chains | BL Series Leaf Chains |
| LL Series Leaf Chains | ||
| Special Chains | Palm Oil Chains | Sugar Chains |
| Tobacco Machinery Chains | Grain Machine Chains | |
| Beer Bottling Conveyor Roller Chains | Coal Chains | |
| Crawler Asphalt Paver Conveyor Chains | Cold Drink Food Processing Chains | |
| Welded Steel Chains | Water Dispose Chains | |
| Motorcycle | Motorcycle chains | Engine Chains |
| SPROCKETS & Gear | 1045 Steel Sprockets, ANSI/DIN standards | Module Gears |
| Motorcycle sprockets | Bevel Gears | |
| Stainless Steel Sprockets | Customized | |
All CHINAMFG products are strictly checked before delivery to our customers. Tests have been conducted through material till finished product,
XMPOWER’s expertise and commitment will be 1 of best choices as your reliable chain supplier.
In the light of our vision and mission, we constantly value our each partner, and work closely with each other to achieve satisfied solutions. We look CHINAMFG to forging strong partnership with you and ensure long term progress!
| Contact: CHINAMFG Huang/Sales Manager/Transmission Dept. HangZhou POWER TRANSMISSION IMP.& EXP.CO.,LTD Add.: #19 Bldg, #158, Canglindong Rd, Xihu (West Lake) Dis. Industrial Zone, 361000, HangZhou, China. Branch: Yingbin Rd., HangZhou, HangZhou, ZHangZhoug, China Web: xmpower |
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Food Machinery |
| Surface Treatment: | Polishing |
| Samples: |
US$ 0/Foot
1 Foot(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do roller chains handle high humidity environments?
Roller chains are designed to withstand a wide range of environmental conditions, including high humidity environments. Here’s a detailed answer to the question:
1. Corrosion Resistance: Roller chains can be manufactured using corrosion-resistant materials such as stainless steel or with special coatings that provide protection against rust and corrosion. These features help the chain withstand the effects of high humidity, which can cause moisture to come into contact with the chain surface.
2. Lubrication: Proper lubrication is essential in high humidity environments to prevent moisture from penetrating the chain and causing corrosion. Lubricants with water-resistant properties or specifically designed for humid conditions can be used to provide a protective barrier on the chain’s surfaces, minimizing the impact of moisture.
3. Seal Options: Some roller chains come with additional sealing elements, such as O-rings or X-rings, that provide an extra layer of protection against moisture ingress. These seals help keep the lubrication inside the chain and prevent contaminants from entering, reducing the risk of corrosion.
4. Maintenance Practices: Regular maintenance is crucial in high humidity environments to ensure the longevity of roller chains. Cleaning the chain to remove any accumulated moisture, dirt, or debris and applying appropriate lubrication at recommended intervals help mitigate the effects of humidity on the chain’s performance and lifespan.
5. Proper Storage: When not in use, roller chains should be stored in a dry and controlled environment to prevent prolonged exposure to high humidity. Using appropriate storage methods, such as sealed containers or dehumidified storage areas, can help preserve the chain’s integrity and minimize the risk of corrosion.
By considering these factors and implementing proper maintenance practices, roller chains can effectively handle high humidity environments, ensuring their reliable performance and extended lifespan.
What are the limitations of using roller chains in certain applications?
Roller chains are versatile and widely used in various applications, but they do have some limitations to consider. Here’s a detailed answer to the question:
1. Speed Limitations: Roller chains have a practical speed limit due to factors such as chain length, centrifugal forces, and roller-to-sprocket engagement. At high speeds, the centrifugal forces can cause excessive chain vibration and increase wear, potentially leading to chain failure. In such cases, alternative power transmission systems like gears or belts may be more suitable.
2. Precision Requirements: Roller chains require proper alignment and tensioning for efficient operation. In applications that demand high precision, such as precision machinery or robotics, the inherent flexibility and slight elongation of roller chains may not meet the desired accuracy requirements. In such cases, alternative systems like timing belts or direct drive solutions may be preferred.
3. Environmental Limitations: Roller chains may not be suitable for certain environments with extreme temperatures, corrosive substances, or high levels of contamination. Harsh conditions can accelerate chain wear, reduce lubrication effectiveness, or cause corrosion. In these situations, specialized chains with appropriate coatings or alternative power transmission systems may be necessary.
4. Noise and Vibration: Roller chains can generate noise and vibrations during operation, particularly when not properly tensioned or maintained. In applications where noise or vibration is a concern, such as in noise-sensitive environments or precision machinery, additional measures like chain tensioners, vibration dampening, or alternative drive systems may be required.
5. Size and Space Constraints: Roller chains have a certain physical size and require appropriate clearance for installation. In applications with limited space or tight packaging requirements, alternative power transmission systems like compact belts or direct drives might be more suitable.
It’s important to carefully evaluate the specific requirements and constraints of each application when considering the use of roller chains. Alternative power transmission systems may be more suitable in certain cases, and consulting with experts or manufacturers can help determine the best solution for the intended application.
What are some common causes of roller chain failure?
Roller chain failure can occur due to various factors. Here’s a detailed answer to the question:
1. Insufficient Lubrication: One of the primary causes of roller chain failure is inadequate lubrication. Insufficient lubrication leads to increased friction, heat generation, and wear between the chain’s components, such as pins, bushings, and rollers. Over time, this can cause the chain to seize up, deform, or break.
2. Contamination: Contamination of the roller chain with dirt, dust, debris, or foreign particles can accelerate wear and increase the risk of failure. These contaminants can penetrate the chain’s joints, causing abrasive action and reducing the effectiveness of lubrication. Contamination can also cause corrosion, leading to weakened chain links.
3. Misalignment: Improper alignment of the sprockets and other drivetrain components can cause excessive side loading, uneven wear, and accelerated fatigue on the roller chain. Misalignment can result from improper installation, worn sprockets, or misaligned shafts, and it can lead to premature chain failure.
4. Overloading: Subjecting the roller chain to loads beyond its rated capacity can cause stress and fatigue, leading to chain failure. Overloading can occur due to improper application design, sudden shock loads, or continuous operation near or beyond the chain’s maximum load limit.
5. Wear and Fatigue: Over time, roller chains experience wear and fatigue due to normal usage. As the chain articulates around the sprockets, the pins, bushings, and rollers undergo cyclic stress, which can lead to wear, elongation, and eventually chain failure if not addressed through regular maintenance and replacement.
6. Corrosion: Exposure to corrosive environments, such as high humidity, chemicals, or saltwater, can cause corrosion on the roller chain. Corrosion weakens the chain’s structural integrity, leading to reduced load-carrying capacity and increased susceptibility to failure.
Proper maintenance, including regular lubrication, cleaning, inspection for wear and alignment, and avoiding overloading or exposure to harsh environments, is crucial to prevent roller chain failure. Timely replacement of worn or damaged chains and addressing any underlying issues that contribute to chain failure is essential for ensuring the reliable and safe operation of machinery or equipment.
editor by CX 2023-11-01
China wholesaler Approved Professional Factory Sugar Industry Hollow Pin Chains Sugar Cane Harvester Chain
Product Description
Company Profile
-HangZhou CHOHO Industrial Co., Ltd. was founded in 1999. Has become the leader of chain system technology, the first batch of natioal recognized enterprise technology center,national technology innovation demonstration enterprise,and the first A-share listed company in China’s chain drive industry.The securities code is 003033.
-CHOHO has 4 subsidiaries, including testing technology and international trading companies. has 4 factories in HangZhou, Thailand factory, ZheJiang R&D Center and Tokyo R&D Center. In addition, CHOHO ZHangZhoug Industrial zone is expected to be completed & put into operation next year.
-We specialized in producing all kinds of standard chains and special chains, such as Agricultural Chain, Sprocket, Chain Harrow, Tillage Parts,Rice Harvester Chain, GS38 Chain, Roller Chain, Automobile Chain, Motorcycle Chain Industrial Chain and so on.Our partners among world top enterprises, such as LOVOL,JOHN DEERE,NEWHOLLAND, CLASS,AGCO,DEUTZFAHR,HONDA, KUBOTA etc.
Production Capacity Equipment
By 2571,CHOHO has more than 2,700 sets of main production equipment and more than 600 sets of high-precision equipment,With the domestic advanced product laboratory and chain production assembly line, CHOHO has strong research and development and testing capabilities for high-end chain products.
Our Advantages
1. Any inquiry you make will be answered professionally within 6~8 hours.
2. Attaches great importance to product quality and approved by many global quality system certification,such as France, Norway, Germany.
3. Focused on Chain since 1999, have rich experience in Production.
4. High-quality workers,First-class advanced equipment,good quality control,advanced technology.
5. Be Good at Custom-Made Products, provide customized services for customers.
6. Participated in the drafting of 24 national and industrial standards such as chains.As of 2571-Mar, CHOHO has 180 authorized patents.
7. With the responsibility of “Providing high quality chain system with the same service life for the global locomotive industry”, have established a strong R&D team.
CHOHO has a natural brand awareness. As of January 2571, CHOHO has registered the “CHOHO” trademark in more than 60 countries, including the United States, Japan, the United Kingdom, France, Germany, Russia, Spain, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Greece , Hungary, Ireland, Italy, Netherlands, Poland, Portugal, Romania, Ukraine, Sweden, Australia, Algeria, Egypt, Kenya, Morocco, South Korea, Kazakhstan, Mongolia, Syria, Thailand, Pakistan, India, Brazil, Mexico, Colombia, etc.
Product Advantages
| — Ten CoreTechnologies — |
| 1 | Chain strengh preload technology | 2 | Pin CRV treatment technology |
| 3 | Plate smoothly punching technology | 4 | Bush oil hole technology |
| 5 | Vacuum Oiled Technology | 6 | Precision Punching Technology |
| 7 | Low frequency fatigue test technology for lange size chain | 8 | Chain length comparison technology |
| 9 | Variation of silence design technology | 10 | Chain dynamic testingtechnology technologies |
Certifications
CHOHO attaches great importance to product quality and approved by many global quality system certification, such as France, Norway, and Germany. Through the establishment of a sophisticated production management process and quality control system, the entire product process control is achieved. With the introduction of advanced production, processing, and testing equipment, CHOHO has internationally leading full-process quality control capabilities to provide customers with high-quality products.
Choho Provide Chain System Solutions for The Global Top 500 and The Enterprises in Various Fields Top 10!
Broad Customer Channels Market Continues to Develop!
CHOHO has been invited to participate in domestic & international agricultural machinery exhibitions, such as Hannover Messe, Bologna Fair, Canton Fair ,VIV ASIA and so on!
Packaging & Shipping
| Packaging Details: | Chain+Plastic Bag+Neutral Box+Wooden case+Big Carton+Steel Pallets or Customization |
FAQ
1. Are you manufacturer or trade Company?
We are a factory focused on producing and exporting Chain over 23 years,have a professional international trade team.
2. What terms of payment you usually use?
T/T 30% deposit and 70% against document, L/C at sight
3. What is your lead time for your goods?
Normally 30~45 days.Stock can be shipped immediately.
4. Do you attend any Show?
We attend Hannover show in Germany, EIMA in Italy, CHINAMFG in France, CIAME in China and many other Agricultural machinery shows.
5.Do you offer free samples?
Yes,we can.or you just bear the shipping cost.
6.Is OEM available?
Yes, OEM is available. We have professional designers to help you design.
| Material: | Alloy |
|---|---|
| Structure: | Hollow Chain |
| Surface Treatment: | Polishing |
| Samples: |
US$ 8/Meter
1 Meter(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can hollow pin chains be used in automated assembly and robotic systems?
Yes, hollow pin chains can be used in automated assembly and robotic systems, and they offer several advantages for these applications.
- Precision and Accuracy: Automated assembly and robotic systems require precise and accurate movements to ensure components are positioned correctly. Hollow pin chains, with reduced backlash and tight tolerances, can provide the level of precision needed for these systems.
- Reduced Weight: Hollow pin chains are lighter compared to solid pin chains, which reduces the overall weight and inertia in robotic arms and moving parts. This feature allows for faster and more efficient robotic movements, improving the system’s speed and performance.
- Flexible Configuration: Hollow pin chains can be customized with various attachments, such as grippers, end-effectors, and tooling, to suit different assembly tasks and accommodate a wide range of components.
- Smooth and Quiet Operation: The reduced friction and noise of hollow pin chains contribute to quieter and smoother machine operation, which is beneficial in environments where low noise levels are desired.
- Corrosion Resistance: In some automated assembly and robotic systems, exposure to various materials or substances may occur. Hollow pin chains made from stainless steel or other corrosion-resistant materials can withstand exposure to these substances and ensure reliable performance over time.
- Easy Maintenance: Hollow pin chains are designed with accessible pins and links, making them easier to inspect, clean, and maintain. Regular maintenance tasks, such as lubrication and tension adjustment, can be performed efficiently, reducing downtime and optimizing the system’s uptime.
However, there are specific considerations to keep in mind when using hollow pin chains in automated assembly and robotic systems:
- Load Capacity: Ensure that the chosen hollow pin chain has the appropriate load-carrying capacity for the robotic system’s specific requirements. Proper chain selection and sizing are crucial to ensure the chain can handle the intended loads and cycles.
- Integration with Robotics: Properly integrate the hollow pin chain with the robotic system, ensuring that it works seamlessly with other components and interfaces smoothly with the robotic control software.
- System Design and Engineering: The overall system design and engineering play a significant role in how the hollow pin chain performs in the automated assembly and robotic systems. Proper design and implementation ensure optimal efficiency and safety.
In conclusion, hollow pin chains are a suitable choice for automated assembly and robotic systems, offering precision, reduced weight, flexible configuration, smooth operation, corrosion resistance, and easy maintenance. Proper chain selection, integration, and system design are essential to ensure the chain’s reliable performance and contribute to the success of the automated assembly and robotic processes.
Can hollow pin chains be used in material handling and conveyor systems?
Yes, hollow pin chains are commonly used in material handling and conveyor systems due to their unique features and benefits. Here’s why they are suitable for these applications:
- Flexibility: Hollow pin chains offer greater flexibility compared to solid pin chains. This flexibility allows them to navigate around bends and sprockets smoothly, making them ideal for conveyor systems with curved paths.
- Attachment Options: Hollow pin chains can be equipped with various attachments, such as cleats, extended pins, or custom links, to suit specific material handling needs. These attachments enhance the chain’s capability to handle and convey different types of materials efficiently.
- Strength and Load Capacity: Material handling and conveyor systems often involve transporting heavy loads. Hollow pin chains are designed to handle moderate to heavy loads, making them reliable for these applications.
- Reduced Weight: The hollow pin design of these chains reduces their overall weight compared to solid pin chains, resulting in lower inertia during starts and stops. This feature allows for smoother and more efficient operation in material handling systems.
- Corrosion Resistance: Many material handling and conveyor systems are used in diverse environments, some of which may be corrosive. Hollow pin chains made from materials like stainless steel offer excellent corrosion resistance, ensuring long-lasting performance and reduced maintenance requirements.
- Easy Maintenance: Hollow pin chains are relatively easy to maintain, thanks to their simple design and accessibility. Regular lubrication and inspection can help extend the chain’s life and ensure trouble-free operation.
Overall, hollow pin chains are a versatile choice for material handling and conveyor systems. Their flexibility, attachment options, strength, reduced weight, corrosion resistance, and ease of maintenance make them well-suited for a wide range of applications in various industries.
Can hollow pin chains be used in overhead or inverted applications?
Yes, hollow pin chains can be used in both overhead and inverted applications, providing certain design considerations are taken into account. These chains are versatile and can accommodate various configurations, including vertical lifting and inverted movements. Here’s how hollow pin chains handle such applications:
- Overhead Applications: Hollow pin chains can be used in overhead applications where the chain is required to lift or move loads vertically. They are commonly employed in material handling systems, conveyor systems, and other lifting equipment.
- Inverted Applications: Hollow pin chains can also be used in inverted applications where the chain needs to be installed upside down, such as in some conveyor systems or certain types of machinery.
- Design Considerations: When using hollow pin chains in overhead or inverted applications, it is essential to ensure that the chain’s load capacity and strength are adequate for the specific requirements of the task. The chain’s tensile strength, pitch, and overall design must be suitable for the intended application.
- Lubrication: Proper lubrication is crucial, especially in overhead or inverted applications, as it helps reduce friction and wear. Lubricating the chain regularly can extend its lifespan and ensure smoother operation.
- Maintenance: Regular maintenance and inspections are necessary to identify any signs of wear, misalignment, or damage. Addressing these issues promptly can prevent unexpected chain failures and ensure safe operation.
Overall, hollow pin chains are a reliable choice for both overhead and inverted applications, provided that the chain is selected, installed, and maintained correctly. Consulting with the chain manufacturer or a qualified engineer can help determine the most suitable chain type and specifications for a specific overhead or inverted application.
editor by CX 2023-10-21
China Custom Wholesale OEM Custom Stainless Steel Agricultural Industrial Transmission Roller Conveyor Chains with U Type Attachments (SS08B-U1)
Product Description
Product Description
Product Parameters
| Standard | GB, ISO, ANSI, DIN |
| Type | Standard A and standard B precision roller chain, conveyor chain; |
| special chain with accessories, welding chain, leaf chain and sprocket | |
| ANSI chain No. | 40,50,60,80,100,120,140,160,180,200,240; |
| C40,C50,C60,C80,C100,C120,C140,C160; | |
| DIN/ISO chain No. | 08A,10A,12A,16A,20A,24A,28A,32A,36A,40A,48A; |
| C08A,C10A,C12A,C16A,C20A,C24A,C28A,C32A; | |
| Application | Food processing, pharmaceutical and chemical industries, electronics, machinery; |
| household appliances, automotive manufacturing, metallurgy, sewage treatment | |
| Series | A series,B series |
More Products
Advantage
Certifications
DETAILS ABOUT CHINAMFG CHAIN
Exhibition
Workshop
Application
Packaging Details
Shipping
FAQ
1. Are you a manufacturer or trade Company?
We are a factory founded in 1997 with a trade team for international service.
2. What terms of payment do you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight
3. What is your lead time for your goods?
Normally 35 days after confirmed order. 30 days could be available in the low season for some items (during May to July), and 45 days during the new year and hot season ( Jan to March).
4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with a maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL, or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.
4) OEM/ODM are both available.
| Usage: | Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain |
|---|---|
| Material: | Stainless steel |
| Surface Treatment: | Polishing |
| Feature: | Heat Resistant |
| Chain Size: | 1/2"*11/128" |
| Structure: | Roller Chain |
| Samples: |
US$ 1/Meter
1 Meter(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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What are the benefits of using a roller chain in conveyor systems?
Roller chains offer numerous advantages when used in conveyor systems, making them a popular choice for material handling applications. Here’s a detailed answer to the question:
1. High Strength and Load Capacity: Roller chains are designed to withstand heavy loads and provide reliable power transmission in conveyor systems. They have excellent load-carrying capacity and can handle substantial weights, making them suitable for conveying bulk materials or heavy objects.
2. Smooth and Efficient Operation: Roller chains offer smooth and efficient operation in conveyor systems. The rollers on the chain engage with the sprockets, reducing friction and allowing the chain to move smoothly along the conveyor. This ensures efficient material transfer and minimizes energy consumption.
3. Wide Range of Sizes and Configurations: Roller chains are available in various sizes and configurations to accommodate different conveyor system designs and load requirements. This versatility allows for customization and ensures compatibility with different conveyor types, such as flat-top, slat, or apron conveyors.
4. Adaptability to Harsh Environments: Roller chains are capable of operating in harsh environments typically encountered in conveyor systems. They can withstand dust, dirt, moisture, and temperature variations, making them suitable for both indoor and outdoor applications. Additionally, roller chains can be made from corrosion-resistant materials or coated to enhance their durability in corrosive or abrasive environments.
5. Easy Maintenance and Replacement: Roller chains are relatively easy to maintain and replace in conveyor systems. Regular lubrication and inspection help extend the chain’s lifespan and prevent premature wear. If necessary, individual chain links or sections can be replaced without replacing the entire chain, minimizing downtime and maintenance costs.
6. Cost-Effectiveness: Roller chains are cost-effective compared to alternative conveyor systems. They offer a balance between performance, durability, and affordability, making them a cost-efficient choice for various industrial applications.
Overall, using a roller chain in conveyor systems provides high load capacity, smooth operation, adaptability to harsh environments, ease of maintenance, and cost-effectiveness. These benefits make roller chains an excellent choice for efficient material handling and transportation in industries such as manufacturing, distribution, logistics, and warehousing.
What are the differences between standard and specialty roller chains?
Standard roller chains refer to chains that are commonly used in a wide range of applications and are readily available from chain manufacturers. These chains typically have standard dimensions, including pitch, roller diameter, and pin diameter, and are made from materials such as carbon steel, stainless steel, or nickel-plated steel. Standard roller chains are suitable for most general-purpose applications that require moderate strength and durability.
Specialty roller chains, on the other hand, are designed for specific applications that require unique features or properties. These chains may have non-standard dimensions or be made from specialized materials such as high-strength alloys or plastic. Specialty roller chains can be used in a variety of industries, including food processing, automotive, and aerospace. Examples of specialty roller chains include corrosion-resistant chains, high-temperature chains, and chains with special attachments for conveying specific products or materials.
Overall, the main differences between standard and specialty roller chains are their intended applications and the unique features that they offer. Standard roller chains are suitable for most general-purpose applications, while specialty roller chains are tailored to specific applications that require special properties or features.
What are the signs of roller chain wear and when should it be replaced?
Roller chain wear is a natural occurrence due to the repetitive motion and load-bearing nature of the chain. Recognizing the signs of wear is important to ensure the safe and efficient operation of the chain. Here’s a detailed answer to the question:
1. Elongation: Roller chains can elongate over time due to wear on the pins, bushings, and rollers. To check for elongation, measure the distance between a specific number of links (e.g., 10 or 12) over a known length. If the measured distance exceeds the standard pitch length, it indicates chain elongation and the need for replacement.
2. Chain Slack: Excessive chain slack or sag is another sign of wear. When the chain becomes elongated, it fails to maintain the proper tension, resulting in increased slack. Excessive chain slack can cause poor engagement with sprockets, resulting in skipping or jumping and affecting the overall performance of the chain.
3. Misalignment: As a roller chain wears, it may start to misalign with the sprockets. This misalignment can cause the chain to ride unevenly on the sprocket teeth, leading to accelerated wear on the chain and sprockets. If you notice the chain consistently riding to one side of the sprocket, it may be a sign of wear and misalignment.
4. Chain Noise: Worn roller chains can produce increased noise during operation. Excessive wear on the chain components can cause rattling, clicking, or grinding sounds. Unusual noises should be investigated, as they may indicate significant wear or damage to the chain.
5. Visible Signs of Wear: Inspect the chain visually for signs of wear, such as rust, discoloration, or visible damage to the rollers, pins, or bushings. Excessive wear on these components can affect the chain’s ability to properly engage with the sprockets and transmit power efficiently.
When to replace a roller chain depends on various factors, including the severity of wear, the criticality of the application, and the manufacturer’s recommendations. It is generally recommended to replace a roller chain when it has elongated beyond the allowable limits, exhibits excessive wear, or shows signs of damage that can compromise its performance and safety.
Regular inspection and maintenance of roller chains are essential to identify signs of wear and ensure timely replacement. Replacing the chain at the appropriate time helps prevent unexpected failures, reduces downtime, and maintains the overall efficiency of the machinery or equipment.
editor by CX 2023-10-19
China Standard Gearbox Transmission Belt Parts Attachment Products 15 a Series Short Pitch Precision Simplex Roller Chains and Bush Chains for Agriculture
Product Description
A Series Short pitch Precision Simplex Roller Chains & Bush Chains
| ISO/ANSI/ DIN Chain No. |
China Chain No. |
Pitch P mm |
Roller diameter
d1max |
Width between inner plates b1min mm |
Pin diameter
d2max |
Pin length | Inner plate depth h2max mm |
Plate thickness
Tmax |
Tensile strength
Qmin |
Average tensile strength Q0 kN |
Weight per meter q kg/m |
|
| Lmax mm |
Lcmax mm |
|||||||||||
| 15 | *03C | 4.7625 | 2.48 | 2.38 | 1.62 | 6.10 | 6.90 | 4.30 | 0.60 | 1.80/409 | 2.0 | 0.08 |
*Bush chain:d1 in the table indicates the external diameter of the bush
ROLLER CHAIN
Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.
CONSTRUCTION OF THE CHAIN
Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CHINAMFG which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.
The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.
LUBRICATION
Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]
There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.
Many oil-based lubricants attract dirt and other particles, eventually forming an CHINAMFG paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.
VARIANTS DESIGN
Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.
Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.
Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.
USE
An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CHINAMFG the bar.
Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CHINAMFG flight, a system known as Thrust vectoring.
WEAR
The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).
With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.
The lengthening due to wear of a chain is calculated by the following formula:
M = the length of a number of links measured
S = the number of links measured
P = Pitch
In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.
CHAIN STRENGTH
The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.
The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.
CHAIN STHangZhouRDS
Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.
ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
| ASME/ANSI B29.1-2011 Roller Chain Standard Sizes | ||||
| Size | Pitch | Maximum Roller Diameter | Minimum Ultimate Tensile Strength | Measuring Load |
|---|---|---|---|---|
| 25 | 0.250 in (6.35 mm) | 0.130 in (3.30 mm) | 780 lb (350 kg) | 18 lb (8.2 kg) |
| 35 | 0.375 in (9.53 mm) | 0.200 in (5.08 mm) | 1,760 lb (800 kg) | 18 lb (8.2 kg) |
| 41 | 0.500 in (12.70 mm) | 0.306 in (7.77 mm) | 1,500 lb (680 kg) | 18 lb (8.2 kg) |
| 40 | 0.500 in (12.70 mm) | 0.312 in (7.92 mm) | 3,125 lb (1,417 kg) | 31 lb (14 kg) |
| 50 | 0.625 in (15.88 mm) | 0.400 in (10.16 mm) | 4,880 lb (2,210 kg) | 49 lb (22 kg) |
| 60 | 0.750 in (19.05 mm) | 0.469 in (11.91 mm) | 7,030 lb (3,190 kg) | 70 lb (32 kg) |
| 80 | 1.000 in (25.40 mm) | 0.625 in (15.88 mm) | 12,500 lb (5,700 kg) | 125 lb (57 kg) |
| 100 | 1.250 in (31.75 mm) | 0.750 in (19.05 mm) | 19,531 lb (8,859 kg) | 195 lb (88 kg) |
| 120 | 1.500 in (38.10 mm) | 0.875 in (22.23 mm) | 28,125 lb (12,757 kg) | 281 lb (127 kg) |
| 140 | 1.750 in (44.45 mm) | 1.000 in (25.40 mm) | 38,280 lb (17,360 kg) | 383 lb (174 kg) |
| 160 | 2.000 in (50.80 mm) | 1.125 in (28.58 mm) | 50,000 lb (23,000 kg) | 500 lb (230 kg) |
| 180 | 2.250 in (57.15 mm) | 1.460 in (37.08 mm) | 63,280 lb (28,700 kg) | 633 lb (287 kg) |
| 200 | 2.500 in (63.50 mm) | 1.562 in (39.67 mm) | 78,175 lb (35,460 kg) | 781 lb (354 kg) |
| 240 | 3.000 in (76.20 mm) | 1.875 in (47.63 mm) | 112,500 lb (51,000 kg) | 1,000 lb (450 kg |
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
| Pitch (inches) | Pitch expressed in eighths |
ANSI standard chain number |
Width (inches) |
|---|---|---|---|
| 1⁄4 | 2⁄8 | 25 | 1⁄8 |
| 3⁄8 | 3⁄8 | 35 | 3⁄16 |
| 1⁄2 | 4⁄8 | 41 | 1⁄4 |
| 1⁄2 | 4⁄8 | 40 | 5⁄16 |
| 5⁄8 | 5⁄8 | 50 | 3⁄8 |
| 3⁄4 | 6⁄8 | 60 | 1⁄2 |
| 1 | 8⁄8 | 80 | 5⁄8 |
Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.
Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.
Roller chains made using ISO standard are sometimes called as isochains.
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How do roller chains handle shock and impact loads?
Roller chains are designed to handle shock and impact loads, but their ability to withstand these loads depends on several factors:
1. Chain Design: Roller chains are constructed with durable components, including rollers, pins, and plates, which are designed to handle the forces generated by shock and impact loads. The geometry and dimensions of these components contribute to the chain’s overall strength and ability to resist deformation.
2. Material Selection: High-quality materials are used in the manufacturing of roller chains to enhance their strength and durability. Common materials include carbon steel, stainless steel, or specialty alloys. The material selection depends on the specific application requirements and the level of shock and impact loads anticipated.
3. Chain Tension: Proper chain tension is important for handling shock and impact loads. Adequate tension helps maintain the engagement of the chain with the sprockets, preventing slippage and reducing the likelihood of damage due to sudden forces. However, excessive tension can also contribute to increased stress and potential failure, so it’s important to follow the manufacturer’s guidelines for chain tension.
4. Lubrication: Proper lubrication plays a crucial role in reducing friction and wear, which can be accelerated by shock and impact loads. Lubricants help minimize the generation of heat and provide a protective film between the chain components, reducing wear and extending the chain’s lifespan. Regular lubrication and maintenance are essential for optimal performance under shock and impact conditions.
5. Chain Inspection and Maintenance: Regular inspection and maintenance are necessary to identify any signs of wear, damage, or elongation in the roller chain. Chains should be inspected for bent or deformed links, worn-out rollers or pins, and excessive elongation. Any worn or damaged components should be replaced promptly to prevent further deterioration and ensure the chain’s ability to handle shock and impact loads.
It’s important to note that while roller chains are designed to handle shock and impact loads, excessive or repetitive shock loads can shorten their lifespan. Therefore, it’s recommended to assess the specific application requirements and consult with the manufacturer to ensure the appropriate chain design and maintenance practices are followed for optimal performance and longevity under shock and impact conditions.
Can roller chains be used for power transmission in mining equipment?
Yes, roller chains can be used for power transmission in mining equipment. Here’s a detailed answer to the question:
Mining equipment often requires robust and reliable power transmission systems to handle the demanding conditions and heavy loads encountered in mining operations. Roller chains have proven to be a suitable choice for power transmission in mining equipment due to their various advantages:
1. High Strength and Durability: Roller chains are designed to withstand high loads and provide reliable power transmission in challenging environments. They are made from high-strength materials such as alloy steel, which enables them to handle the heavy loads typically encountered in mining applications.
2. Resistance to Shock and Impact: Mining equipment often operates in rugged environments with frequent shock and impact loads. Roller chains are engineered to handle such conditions and can withstand the sudden changes in load and direction without compromising their performance or integrity.
3. Flexibility and Adaptability: Roller chains have inherent flexibility, allowing them to accommodate misalignment and angular movement between sprockets. This flexibility helps to ensure smooth and efficient power transmission even in applications where slight misalignments may occur due to the nature of the mining equipment.
4. Resistance to Contaminants: Mining environments can be dusty and contain abrasive particles. Roller chains are designed to resist contamination and maintain their performance even in dirty and harsh conditions. Proper sealing and lubrication can further enhance their resistance to contaminants.
5. Easy Maintenance and Replacement: Roller chains are relatively easy to maintain and replace. Regular inspection, lubrication, and tension adjustment can help ensure optimal performance and extend the lifespan of the chain. In case of wear or damage, individual chain links can be replaced without the need for replacing the entire chain, making maintenance more cost-effective.
It’s important to note that when using roller chains in mining equipment, proper selection, installation, and maintenance are crucial. Working with reputable suppliers and following recommended guidelines for chain selection, lubrication, and tensioning can help maximize the performance and longevity of the roller chain system in mining applications.
What is the expected lifespan of a roller chain?
The expected lifespan of a roller chain can vary depending on several factors, including the quality of the chain, the operating conditions, and the level of maintenance. Here’s a detailed answer to the question:
The lifespan of a roller chain is primarily influenced by the following factors:
1. Chain Quality: High-quality roller chains made from durable materials and manufactured to precise specifications tend to have a longer lifespan compared to lower-quality chains. Chains from reputable manufacturers often undergo rigorous testing and quality control processes to ensure their performance and durability.
2. Operating Conditions: The operating environment greatly affects the lifespan of a roller chain. Factors such as temperature, humidity, contamination, shock loads, and vibration can impact the chain’s wear and fatigue resistance. Chains operating in harsh conditions may require more frequent maintenance and replacement.
3. Lubrication and Maintenance: Proper lubrication is crucial for maintaining the lifespan of a roller chain. Regular lubrication helps reduce friction, wear, and corrosion, thereby extending the chain’s life. Additionally, regular inspection and maintenance, including tension adjustment, sprocket alignment, and cleaning, can help identify and address issues that could shorten the chain’s lifespan.
4. Load and Speed: The load and speed at which the roller chain operates also play a role in determining its lifespan. Chains operating under heavy loads or high speeds may experience increased wear and fatigue, shortening their lifespan. Choosing a chain with the appropriate strength and size for the application is important to ensure optimal performance and longevity.
Generally, a well-maintained roller chain can last for thousands of hours of operation. However, it is essential to monitor the chain’s condition regularly and replace it when signs of wear, elongation, or damage become apparent. Following the manufacturer’s recommendations for maintenance and replacement intervals is crucial for maximizing the lifespan of the roller chain.
editor by CX 2023-10-18