China best 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)

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Customization:
Available

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roller chain

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.

roller chain

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.

roller chain

How do you tension a roller chain correctly?

Proper tensioning of a roller chain is crucial for its optimal performance and longevity. Here’s a detailed answer to the question:

1. Initial Installation: When installing a roller chain, it’s important to ensure that it has the correct tension from the beginning. Start by positioning the sprockets at their desired locations, ensuring proper alignment. Then, adjust the position of the shafts or tensioning devices to achieve the desired chain tension.

2. Check the Slack: After installation, check the slack or sag in the chain. The ideal tension allows for a small amount of slack to accommodate articulation around the sprockets. The slack should be uniform along the chain’s length.

3. Adjust the Tensioner: If the chain tension is too loose, adjust the tensioner to take up the slack. Tensioners can be spring-loaded devices, adjustable bolts, or idler sprockets designed to maintain proper tension. Follow the manufacturer’s instructions or recommended guidelines to set the tensioner to the appropriate position.

4. Measure the Deflection: Another method to ensure correct chain tension is to measure the chain deflection. Apply a slight force perpendicular to the chain midway between the sprockets. The deflection should typically be within a specified range, depending on the chain size and application. Refer to the manufacturer’s guidelines for the recommended deflection values.

5. Regular Inspections: Regularly inspect the chain tension to ensure it remains within the desired range. Factors such as wear, elongation, and changes in operating conditions can affect chain tension over time. Adjust the tension as necessary to maintain optimal performance.

6. Follow Manufacturer’s Recommendations: It’s important to follow the manufacturer’s recommendations for chain tensioning specific to the type and model of roller chain being used. These guidelines will provide specific instructions based on the chain’s design, load capacity, and intended application.

Proper tensioning of a roller chain helps ensure smooth operation, minimize wear, reduce the risk of failure, and extend the chain’s lifespan. It’s essential to regularly monitor and adjust the tension as needed, especially during routine maintenance checks, to maintain optimal performance and prevent potential issues.

China best 08B-1 B Series Short Pitch Roller Chain  China best 08B-1 B Series Short Pitch Roller Chain
editor by CX 2023-09-22