Product Description
WH82 Welded Steel Chain ( For Steel Factory)
We own the sophisticated equipment and the advanced technology, such as:
1. CAD Designer
2. Wire Cutting Machine
3. Chain Running In Machine
4. Conveyor Furance
5. Ball Drift
6. Shot Peened Parts
7. Design Of Link Plate Waist
We have different models of welding chains, such as:
| Chain No
|
Pitch
(mm) |
Outside Barrel Dia
(mm) |
Pin Dia
(mm) |
Side Bar Height
(mm) |
Approx Tooth Face at pitch line
(mm) |
Length of Bearing
(mm) |
Plate Thickness
(mm) |
Ultimate tensile strength
(KN) |
Weight Approx
(Kg/FT) |
|
| WH82 | 78.1 | 26.97 | 14.35 | 31.8 | 38.1 | 57.4 | 6.4 | 132 | 2.28 |
|
We own the sophisticated equipment and the advanced technology, such as:
1. CAD Designer
2. Wire Cutting Machine
3. Chain Running In Machine
4. Conveyor Furance
5. Ball Drift
6. Shot Peened Parts
7. Design Of Link Plate Waist
Company Detail:
GOODUCK(TAI) is 1 of a professional exporter with exporting POWER TRANSMISSION PARTS: Roller chains,Conveyor chains,Stainless steel Chains, agricultural chains, steel detachable chains, special chains, sprockets, s. S. Sprockets, HRC couplings, pulleys, bushes etc. All these products have been supplied regularly to World Wide for over 15 years.
Welcome contact for more details.
Sofia Chen(Sales Manager)
HangZhou GOODLUCK TRANSMISSION TECHNOLOGY CO.,LTD
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Steel |
|---|---|
| Structure: | Welded Chain |
| Surface Treatment: | Polishing |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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.
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.
How do roller chains compare to belt drives in terms of efficiency?
Roller chains and belt drives are both widely used power transmission systems, but they differ in terms of efficiency. Here’s a detailed answer to the question:
1. Mechanical Efficiency: Roller chains generally have higher mechanical efficiency compared to belt drives. The engagement between the chain and sprockets provides a positive drive with minimal slippage, resulting in efficient power transfer. Belt drives, on the other hand, can experience some slip, especially in high-torque or heavy-load applications, leading to lower efficiency.
2. Size and Length: Roller chains are typically more compact and have a shorter pitch length compared to belt drives. This allows for more compact machine design and closer shaft spacing, reducing the overall size and weight of the power transmission system.
3. Load Capacity: Roller chains are known for their high load-carrying capacity, making them suitable for heavy-duty applications. They can handle high loads and transmit significant amounts of power without compromising performance. Belt drives have lower load-carrying capacity and are more commonly used in lighter-duty applications.
4. Speed and Torque: Roller chains are suitable for both high-speed and high-torque applications. They can operate at high rotational speeds while transmitting significant torque. Belt drives, on the other hand, may have limitations in terms of speed and torque capacity, especially in demanding applications.
5. Maintenance and Durability: Roller chains require regular lubrication and maintenance to ensure optimal performance and longevity. Belt drives, on the other hand, are generally considered maintenance-free. However, if a belt drive becomes misaligned or experiences excessive wear, it may need to be replaced entirely. Roller chains, with proper maintenance, can be more durable and have longer service life.
It’s important to note that the choice between roller chains and belt drives depends on various factors, including the specific application requirements, load conditions, speed requirements, and space constraints. Each system has its advantages and considerations, and selecting the most suitable option should be based on a careful evaluation of these factors.
editor by CX 2024-04-23
China best Industrial Mill Steel Welded Lumber Cast Iron Conveyor Chain Attachment Roller Chain Drag Chains Customized
Product Description
WH82 Welded Steel Chain ( For Steel Factory)
We own the sophisticated equipment and the advanced technology, such as:
1. CAD Designer
2. Wire Cutting Machine
3. Chain Running In Machine
4. Conveyor Furance
5. Ball Drift
6. Shot Peened Parts
7. Design Of Link Plate Waist
We have different models of welding chains, such as:
| Chain No
|
Pitch
(mm) |
Outside Barrel Dia
(mm) |
Pin Dia
(mm) |
Side Bar Height
(mm) |
Approx Tooth Face at pitch line
(mm) |
Length of Bearing
(mm) |
Plate Thickness
(mm) |
Ultimate tensile strength
(KN) |
Weight Approx
(Kg/FT) |
|
| WH82 | 78.1 | 26.97 | 14.35 | 31.8 | 38.1 | 57.4 | 6.4 | 132 | 2.28 |
|
We own the sophisticated equipment and the advanced technology, such as:
1. CAD Designer
2. Wire Cutting Machine
3. Chain Running In Machine
4. Conveyor Furance
5. Ball Drift
6. Shot Peened Parts
7. Design Of Link Plate Waist
Company Detail:
GOODUCK(TAI) is 1 of a professional exporter with exporting POWER TRANSMISSION PARTS: Roller chains,Conveyor chains,Stainless steel Chains, agricultural chains, steel detachable chains, special chains, sprockets, s. S. Sprockets, HRC couplings, pulleys, bushes etc. All these products have been supplied regularly to World Wide for over 15 years.
Welcome contact for more details.
Sofia Chen(Sales Manager)
HangZhou GOODLUCK TRANSMISSION TECHNOLOGY CO.,LTD
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Steel |
|---|---|
| Structure: | Welded Chain |
| Surface Treatment: | Polishing |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the differences between ANSI and ISO roller chain standards?
ANSI (American National Standards Institute) and ISO (International Organization for Standardization) are two widely recognized standards for roller chains. Here’s a detailed answer to the question:
1. Designation and Nomenclature: ANSI and ISO roller chains have different designations and nomenclature. ANSI chains typically use a three-digit number to denote the pitch size, while ISO chains use a four-digit number. The nomenclature for chain sizes and dimensions may also vary between the two standards.
2. Dimensions and Tolerances: ANSI and ISO roller chains may have slight differences in dimensions and tolerances. While the basic design principles are similar, there may be variations in the allowable tolerances for pitch, roller diameter, plate thickness, and other critical dimensions.
3. Load Capacity and Strength: ANSI and ISO standards have different approaches to determining the load capacity and strength of roller chains. The formulas and methods used for calculating the maximum allowable load and ultimate strength may differ between the two standards.
4. Interchangeability: ANSI and ISO roller chains are generally not interchangeable. The differences in dimensions, tolerances, and load capacity calculations make it important to use chains that conform to the specific standard required by the application.
5. Regional Adoption: ANSI roller chain standards are widely used in North America, while ISO standards are more commonly adopted in Europe and many other parts of the world. The regional preference and market availability may influence the choice of standard in different applications and industries.
It’s important to consult the specific ANSI or ISO standard documents for detailed information on the requirements and specifications of roller chains. Additionally, working with suppliers or manufacturers familiar with the applicable standards can help ensure the proper selection and use of roller chains in accordance with the desired standard.
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.
editor by CX 2024-04-11
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 |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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 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 |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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
China Best Sales Industrial Mill Steel Welded Lumber Conveyor Chain Attachment Roller Chain Drag Chains
Product Description
WH82 Welded Steel Chain ( For Steel Factory)
We own the sophisticated equipment and the advanced technology, such as:
1. CAD Designer
2. Wire Cutting Machine
3. Chain Running In Machine
4. Conveyor Furance
5. Ball Drift
6. Shot Peened Parts
7. Design Of Link Plate Waist
We have different models of welding chains, such as:
| Chain No
|
Pitch
(mm) |
Outside Barrel Dia
(mm) |
Pin Dia
(mm) |
Side Bar Height
(mm) |
Approx Tooth Face at pitch line
(mm) |
Length of Bearing
(mm) |
Plate Thickness
(mm) |
Ultimate tensile strength
(KN) |
Weight Approx
(Kg/FT) |
|
| WH82 | 78.1 | 26.97 | 14.35 | 31.8 | 38.1 | 57.4 | 6.4 | 132 | 2.28 |
|
Company Detail:
GOODUCK(TAI) is 1 of a professional exporter with exporting POWER TRANSMISSION PARTS: Roller chains,Conveyor chains,Stainless steel Chains, agricultural chains, steel detachable chains, special chains, sprockets, s. S. Sprockets, HRC couplings, pulleys, bushes etc. All these products have been supplied regularly to World Wide for over 15 years.
Welcome contact for more details.
Sofia Chen(Sales Manager)
HangZhou GOODLUCK TRANSMISSION TECHNOLOGY CO.,LTD
| Material: | Steel |
|---|---|
| Structure: | Welded Chain |
| Surface Treatment: | Polishing |
| Chain Size: | 1/2"*11/128" |
| Feature: | Fire Resistant |
| Trade Style: | Trade/Manufacture/OEM |
| Customization: |
Available
| Customized Request |
|---|
What are the advantages of using a roller chain over a cable or rope system?
Roller chains offer several advantages over cable or rope systems for power transmission. Here’s a detailed answer to the question:
1. Higher Efficiency: Roller chains provide a more efficient power transmission compared to cable or rope systems. They have lower friction losses, resulting in higher energy transfer and reduced power waste.
2. Precise and Reliable Motion: Roller chains offer precise and reliable motion control. They have minimal elongation and provide accurate positioning, making them suitable for applications that require precise speed and position control.
3. Greater Load Capacity: Roller chains have higher load-carrying capacity compared to cables or ropes of the same size. They can handle heavy loads and transmit high torque, making them suitable for applications that require robust power transmission.
4. Flexibility in Design: Roller chains offer flexibility in design and configuration. They can be easily customized to fit specific application requirements, such as different lengths, pitch sizes, and attachment options.
5. Durability and Longevity: Roller chains are known for their durability and long service life. They are constructed with high-quality materials and undergo heat treatment processes to enhance their strength and wear resistance, making them suitable for demanding industrial applications.
6. Maintenance and Replacement: Roller chains are relatively easy to maintain and replace. Lubrication and periodic inspection can help prolong their lifespan, and if a chain does wear out or break, it can be readily replaced with a new one, minimizing downtime.
7. Cost-Effective Solution: Roller chains are often a cost-effective solution for power transmission. They have a lower initial cost compared to some cable or rope systems and offer reliable performance over an extended period, resulting in lower maintenance and replacement costs.
While cable or rope systems have their own advantages in certain applications, roller chains excel in terms of efficiency, load capacity, precision, and durability, making them a popular choice for various industries, including manufacturing, automotive, agriculture, and more.
What are the advantages of using a roller chain over a timing belt?
Roller chains and timing belts are both commonly used for power transmission in various applications. Here’s a detailed answer to the question:
Advantages of using a roller chain:
1. Higher Load Capacity: Roller chains are capable of handling higher loads compared to timing belts. They are designed to transmit power in heavy-duty applications where high torque and shock loads are present.
2. Flexibility in Power Transmission: Roller chains are more versatile in terms of power transmission. They can transmit power over longer distances and are suitable for applications that require multiple shafts and complex power transmission routes.
3. Tolerance to Misalignment: Roller chains can tolerate more misalignment between the driving and driven sprockets compared to timing belts. They can accommodate slight angular misalignments and axial movements, making them suitable for applications where alignment precision is challenging.
4. Resistance to Harsh Environments: Roller chains are generally more resistant to contaminants, such as dirt, dust, and debris, compared to timing belts. They are commonly used in applications where exposure to harsh environments, such as high temperatures, chemicals, or abrasive particles, is expected.
5. Easy Maintenance and Replacement: Roller chains are relatively easy to maintain and replace. Regular lubrication, tension adjustment, and periodic inspection can help prolong their lifespan. 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 the choice between a roller chain and a timing belt depends on various factors, including the specific application requirements, load conditions, speed, accuracy, and environmental considerations. Consulting with experts and considering the specific needs of the application can help determine the most suitable power transmission solution.
What are the best practices for maintaining roller chains?
Maintaining roller chains is crucial for their optimal performance, longevity, and reliability. Here are some best practices for maintaining roller chains:
1. Regular Lubrication: Proper lubrication is essential for reducing friction, preventing wear, and extending the life of the chain. Follow the manufacturer’s recommendations for the type and frequency of lubrication. Apply lubricant evenly along the chain, ensuring it reaches the inner rollers and bushings.
2. Cleanliness: Keep the roller chain clean and free from contaminants such as dirt, debris, and excess lubricant. Regularly inspect and clean the chain to remove any build-up that can contribute to wear and performance issues.
3. Tension Adjustment: Monitor the chain tension regularly and make adjustments as needed to ensure it remains within the manufacturer’s recommended range. Proper tension reduces stress on the chain and sprockets, minimizing wear and improving performance.
4. Alignment: Check the alignment of the sprockets to ensure they are properly aligned. Misaligned sprockets can cause uneven wear and premature failure of the chain. Adjust or replace the sprockets as necessary to maintain proper alignment.
5. Inspection: Regularly inspect the roller chain for signs of wear, damage, or elongation. Look for loose or damaged links, excessive wear on the sprocket teeth, or signs of fatigue. Replace any worn or damaged components promptly to prevent further damage and ensure safe operation.
6. Environmental Considerations: Consider the operating environment and take necessary precautions. In corrosive or high-temperature environments, use appropriate coatings or materials that offer resistance to corrosion and heat. In dirty or abrasive environments, install guards or shields to protect the chain from debris.
7. Training and Documentation: Provide proper training to maintenance personnel on roller chain maintenance and inspection procedures. Keep records of maintenance activities, including lubrication schedules, tension adjustments, and component replacements. This documentation helps track maintenance history and identifies patterns or potential issues.
8. Periodic Replacement: Despite regular maintenance, roller chains will eventually wear out. Establish a replacement schedule based on the chain’s expected lifespan and operating conditions. Replace the chain when it exhibits excessive wear, elongation, or signs of fatigue to prevent sudden failures.
By following these best practices, you can optimize the performance, lifespan, and reliability of roller chains, reducing downtime and ensuring the smooth operation of your machinery or equipment.
editor by CX 2023-10-12
China OEM Short Link Chain D1″ Acc to DIN 5685/a Chain Zinc Plated Chains on Reel roller chain attachment links
Product Description
Short Link Chain D1″ acc to DIN 5685/A Chain Zinc Plated Chains on reel
Product Description
Detailed Photos
Short Link Chain D1″ acc to DIN 5685/A Chain Zinc Plated Chains on reel
1-Link Chain Material: Q235
2-Factory direct sell
3-Link Chain size: 3/32″-1″
4-Surface: Electro Galvanized, Blue-white Galvanized,Hot Dipped Galvanized,Self color with anti-rust oil.
Why choose us:
Factory direct sale since 1992.
Chains with best price.
Chains with excellent quality.
Chains always be dilivered in time.
Always keep long term cooperation with each client.
Link chains production process
Chains material Wire Drawing Chains weaving Extrusion Molding
Chains welding Half finished-chains Galvanized Chains
Packaging & Shipping
Gunny bag(4KG, 15KG, 20KG, 25 KG ,50 KG 100 KG)
Plastic reel+carton+pallet.
Plastic drum(12.5kg,25kg,50kg)
Iron drum+pallet
Wooden Box
Short link chain can be used in following side:
Public protection. decoration. fishing nets down, anti-slip. garden ornament and some general use.
Company Profile
HangZhou Haobo Imp & Exp Co., Ltd. is a professional manufacturer and trader, located in HangZhou, China, the famous Logistics capital of China. Our company are specialized in rigging, lifting tools, hardware, hand tools, including all kind of chains, clips, Shackles, turnbuckles, snap hooks, Hammers, chisels, nails, etc. Our products are mainly exported to Europe, North America,South America, Southeast Asia, Middle East,Africa etc. We gain a good reputation due to our high credibility.
We take CUSTOMER SATISFACTION as the goal, following the “equal and mutual benefit” principle to ensure the quality continuously. With the increase of our sales volume, we have possessed rich experience and a creative team working with various world class wholesalers and retailers directly and indirectly, giving us deep understanding and readiness to meet and satisfy clients’ requirements. As a result of our high quality and outstanding service, we have established a CZPT business relationship with many customers all over the world. Customers establish long term cooperation with us.
We sincerely welcome friends to negotiate with us and seek cooperation for mutual development.
Our Other products:
| Usage: | Drag Chain |
|---|---|
| Material: | Iron |
| Surface Treatment: | Electronic Galvanized |
| Feature: | Fire Resistant |
| Chain Size: | 3/32"-1" |
| Structure: | Welded Chain |
| Samples: |
US$ 700/Ton
1 Ton(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Tips for Buying Roller Chains
There are several things to consider when buying a new roller chain. Chains can be heavy-duty roller chains or self-lubricating chains. These factors all affect the wear of the roller chain. Proper lubrication and adjustment are important to prolong the life of the chain. Here are tips for buying a new roller chain. Some common types of roller chains are listed below. The type you choose depends on its purpose.
Bushingless Roller Chains
The tensile strength of a bushingless roller chain is often the primary measure of its durability. It represents the maximum load a chain can withstand before breaking, but fatigue strength is just as important. Factors that affect fatigue strength include the steel used to manufacture the chain, the quality of the pitch holes, the type of shot peening used, and the thickness and design of the chainplates. Here are some tips on how to test the fatigue strength of bushless roller chains.
The inner link plate 130 is thicker than the outer link plate 120. This feature helps the connecting pins and rollers remain stable. This feature reduces wear and noise. It also improves the overall durability of the chain. Unlike traditional chains, bushingless roller chains are easier to maintain than comparable chains. They also reduce the risk of sprocket wear. Bushingless roller chains are ideal for demanding applications where noise is a concern.
Unlined roller chains are generally less expensive than lined roller chains. Bushings are integrated into the inner plate, while those in conventional chains are inserted into the outer plate. The result is lower cost and more flexible lateral movement – a requirement for modern derailleur gearing. But with all these advantages, choosing a linerless chain is still essential. You should read reviews about the durability of bushingless roller chains before buying.
In its simplest form, the connecting pin 140 is pressed into the pinhole 126 in the direction of chain travel. Connecting pins 140 extend through these holes to connect the inner link plate and the rollers. The connecting pins can also be welded to the outer link plates. During assembly, chain C can be efficiently assembled from one side in the engine width direction. If you have an older car, you can try the bushless version and see how it goes.
Another variation of bushless roller chains involves sprockets and connecting pins. The outer link plate has connecting pins extending through holes in the inner link plate. The rollers are able to rotate on the connecting pins, thus lubricating them. There are two types of bushingless roller chains: connecting pin chains and sprocket chains. These two types of bushingless roller chains are generally interchangeable.
Linerless roller chains can contain chain guides. During the riveting process, the outer and inner link plates compress against each other, reducing friction and power loss. ANSI Standard B29.1-2011 is designed to make it easier for you to choose the right chain for your vehicle. This version is also quieter, reducing noise. In addition to improved efficiency, bushingless roller chains offer better durability. It is easier to install and less expensive to maintain.
Single Strand Heavy Duty Roller Chain
Single Strand Heavy Duty Roller Chains, also known as Single Strand Heavy Duty Roller Chains, are available in a variety of sizes. These chains run on standard roller sprockets and have thicker side plates. These increase their tensile strength, fatigue rating and overall working life. Monostrand chains are available in three quality levels: riveted, open and closed.
If your chain needs to be replaced, your best bet is to buy replacement parts. Single strand roller chains are usually ten feet long. For larger sizes, consider purchasing a single-strand heavy-duty roller chain that is three times longer. This way, you don’t have to worry about damaging your machine. Oregon roller chains are manufactured to OEM standards.
CZPT Plus Heavy Duty Roller Chains feature solid rollers for light to medium duty applications. It meets ANSI B29.1 durability standards and is ideal for light to medium duty applications. CZPT Plus Heavy Duty Roller Chains have solid bushings in selected sizes to ANSI B29.1. CZPT Plus heavy duty roller chains are supplied with ample lubricant. If your application requires heavy duty roller chains, you can find them at CZPT Chain and Sprockets.
In addition to single-strand heavy-duty roller chains, there are three-strand heavy-duty roller chains. These chains can withstand enormous pressure and are ideal for applications in agriculture, sewage treatment, machinery, and more. They are designed to last for years without breaking. So whether you’re looking for a heavy duty roller chain for your farm equipment or construction, American Roller Chain has you covered.
In order to choose the right size for your needs, you must first determine the diameter and overall width of the roller chain. You also have to measure the width of the drum itself. This information will determine how many chains you need to order. The measurement and selection of dimensions will determine the cost of your new roller chain. Buying the right roller chain is simple and convenient if you understand all of these factors. So use a caliper and make sure the roller chain is measured correctly.
The size of a single strand heavy duty roller chain is critical to the stability of your business. You can save a lot of money by buying a high-quality roller chain. Just make sure to store it properly. Its shelf life is virtually unlimited. When properly stored, a single-strand heavy duty roller chain can improve the stability of your business for years to come. A single-strand chain is an affordable investment that will pay dividends for your business.
Self-lubricating roller chain
Self-lubricating roller chains can be used in a variety of applications. This type of chain is an excellent choice for areas that cannot be manually lubricated. It also reduces the risk of contamination as no lubricant is required at all. Self-lubricating roller chains are available in a variety of designs and are compatible with a wide variety of food applications. If you’re interested in learning more about such chains, keep reading!
There are two main types of chains of this type: DIN ISO 606 and DIN 8187. They are similar in construction to traditional chains, but are more durable. They have higher friction and wear resistance than traditional roller chains. These chains are also very effective in applications that require a lot of moisture and water flushing. They require less maintenance and can last a long time. Another benefit of self-lubricating chains is that they last longer than regular roller chains, which can be quite expensive.
Another self-lubricating roller chain is the non-lubricating type. These chains are internally lubricated and isolated from the external environment. Ideal for low to high load applications, these chains will last 5 to 20 times longer than comparable initially lubricated roller chains. Self-lubricating roller chains have so many advantages, you’ll be glad you bought one.
editor by CX 2023-06-02