China manufacturer 08B-1 B Series Short Pitch Roller Chain

Product Description

CHINAMFG rollers enhance rotation on the bushing while reducing impact loads on the sprocket tooth during operation.

All components are heat treated to achieve maximum strength.

Pre-loaded during the manufacturing process to minimize initial elongation.

Hot dipped lubrication ensures 100% lubrication of all chain components to extend wear life and reduce maintenance costs.

ISO
NO.
PITCH BUSH
WIDTH
ROLLER
DIA
PIN PLATE ULTIMATE
TENSILE
STRENGTH
AVG.
TENSILE
STRENGTH
WEIGHT
d L1 L2 H t/T Q min Q 0
mm mm mm mm mm mm mm mm kN kN Kg/meter
05B-1 8.000 3.00 5.00 2.31 3.90 4.80 7.10 0.80 4.4 5.9 0.11
06B-1 9.525 5.72 6.35 3.28 6.27 7.23 8.20 1.30 8.9 10.4 0.41
08B-1 12.700 7.75 8.51 4.45 8.50 9.90 11.80 1.60 17.8 19.4 0.69
10B-1 15.875 9.65 10.16 5.08 9.60 10.90 14.60 1.70 22.2 27.5 0.93
12B-1 19.050 11.68 12.07 5.72 11.00 12.40 16.00 1.85 28.9 32.2 1.15
16B-1 25.400 17.02 15.88 8.28 17.65 19.05 20.90 3.2/4 60.0 72.8 2.71
20B-1 31.750 25.40 19.05 10.19 20.20 23.80 26.00 3.5/4.5 95.0 106.7 3.70
24B-1 38.100 25.40 25.40 14.63 26.65 31.05 33.00 48/.6 160.0 178.0 7.10
28B-1 44.450 30.99 27.94 15.90 32.55 26.45 36.70 6/7.5 200.0 222.0 8.50
32B-1 50.800 30.99 29.21 17.81 32.80 37.20 41.90 6/.7 250.0 277.5 10.25
48B-1 76.200 45.72 48.26 29.24 19.55 58.65 63.50 9.7/11.8 400.0 621.6 25.00
72B-1 114.300 68.58 72.39 44.48 74.15 82.25 103.63 16/.17 898.5 1550.0 63.55

Usage: Transmission Chain, Conveyor Chain, Roller Chain
Material: Alloy/Carbon Steel
Surface Treatment: Polishing
Feature: Heat Resistant
Chain Size: 3/8"*4 1/2"
Structure: Roller Chain
Samples:
US$ 10/Meter
1 Meter(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

roller chain

What are the factors to consider when selecting a roller chain for an application?

Choosing the right roller chain for an application involves considering several important factors. Here’s a detailed answer to the question:

1. Load Capacity: The load capacity of the roller chain should match or exceed the maximum anticipated load in the application. Consider the weight and type of the load, as well as any shock loads or dynamic forces that may be present.

2. Speed and RPM: Determine the required speed and RPM (revolutions per minute) of the roller chain. High-speed applications may require special high-speed chains with improved heat dissipation and reduced centrifugal forces.

3. Environment: Assess the operating environment of the application. Consider factors such as temperature, humidity, dust, dirt, chemicals, and exposure to corrosive substances. Choose a roller chain with appropriate corrosion resistance, sealing, lubrication, or protective coatings based on the specific environmental conditions.

4. Length and Pitch: Determine the required length and pitch of the roller chain based on the distance between the sprockets and the desired positioning of the driven and driving components.

5. Maintenance Requirements: Consider the desired maintenance level for the application. Some roller chains may require regular lubrication, while others offer maintenance-free or self-lubricating options. Assess the availability of maintenance resources and the impact of downtime on the overall operation.

6. Compatibility: Ensure compatibility between the roller chain and the sprockets used in the application. The roller chain and sprockets should have matching pitch, tooth profile, and number of teeth to ensure proper engagement and smooth operation.

7. Certification and Standards: In certain industries, compliance with specific certifications or standards may be required. Consider whether the roller chain meets industry-specific requirements such as ISO, ANSI, or industry-specific regulations.

8. Cost and Availability: Evaluate the cost and availability of the roller chain, including factors such as initial purchase price, long-term maintenance costs, and the availability of spare parts or replacement chains.

By carefully considering these factors and consulting with experts or manufacturers, you can select the most suitable roller chain for your specific application, ensuring reliable and efficient power transmission.

roller chain

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.

roller chain

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.

China manufacturer 08B-1 B Series Short Pitch Roller Chain  China manufacturer 08B-1 B Series Short Pitch Roller Chain
editor by CX 2023-10-19