Tag Archives: 428h roller chain

China high quality Motorcycle Roller Chain 428h

Product Description

1)Type Motorcycle Chain
2)Materials Grade A Steel: 40Mn(Plate) 30CrMnTi(Pin) 20Mn(Bush) Mn10(Roller) 65Mn(Clip)
3)Chain No. 428H
4)Warranty 30000 KMs
5)Process Sand blasting,
Heat treatment, 
High speed impact,
Four sides riveting, 
Pre-stretching and running, 
Lubricate with grease.
6)MOQ 1000Pcs
7)Supply Ability 1000000 Meter/Meters per year
8)Tensile Strength/Hardness standard or above
9)Delivery Time within 30 days after receiving your 30% deposits
10)Payment Terms L/C,T/T
11)Packing chains packing in polybag and color box, also can packing as your requirement

Our Services

Pre-sales:
1. OEM &ODM service
2. Any of your kind inquiry would be replied within 24 hours.
3. Complete product information will be offered
4. Free sample will be sent if you need .
5. Any other reasonable requirements as per requested
 
During production ,we provide:
1. Schedule of production
2. Mass production picture will offered
3. Any other reasonable requirements as per requested
 
Finish production:
1. Courier tracking number
2. Documents you need 
3. Protection of your sales area, ideas of design and all your private information.

FAQ:
Q1: Do you inspect the finished products?
A: Yes, each step of production and finished products will be carried out inspection by QC departing before shipping.
Q2: What’s the warranty of your products?
A: Usually we guarantee one year after delivery date, but depending on the specified product.
Q3: Are you manufacturer or Trade Company?
A: Both we are. We have been in motorcycle parts for nearly 20 years and it will be longer. 
Q4: How to visit factory?
A: Leave us a message, and we will pick you up by car for free.
Q5: Can you do custom logo on the chain?
A: Yes,we can do custom logos by molding. Need your Authorization Letter.

Type: Chain
Material: Steel
Certification: ISO9001:2001, SGS
Number of Row: Single Row
Surface Treatment: Sand Blasting, Greasing
Thickness: 2.03mm
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

roller chain

How do roller chains handle side loads?

Roller chains are designed to primarily handle axial (or in-line) loads, which are forces applied along the axis of the chain. However, they do have some capability to handle limited side loads. Here’s a detailed answer to the question:

1. Roller Design: The rollers in a roller chain are cylindrical in shape and rotate freely between the inner and outer plates. This design allows the chain to accommodate limited side loads by allowing the rollers to roll and adjust their position within the chain.

2. Bearing Surfaces: Roller chains have bearing surfaces between the pins and the bushings or rollers. These bearing surfaces help distribute the load and reduce friction, allowing the chain to handle some degree of side loads.

3. Tolerance for Misalignment: Roller chains have some tolerance for misalignment between the sprockets, which can help compensate for minor side loads. However, excessive misalignment can lead to increased wear and decreased chain life.

4. Limitations: It’s important to note that roller chains are primarily designed for transmitting power and handling axial loads. While they can tolerate some side loads, their ability to handle significant side loads is limited. Excessive side loads can cause increased wear, premature chain failure, and reduced overall performance.

To ensure the longevity and reliable performance of a roller chain, it is essential to minimize side loads as much as possible. Proper alignment of the sprockets, appropriate tensioning of the chain, and avoiding excessive side loads are important considerations when using roller chains in an application.

roller chain

How do roller chains handle static loads?

Roller chains are primarily designed for transmitting power and handling dynamic loads, which involve motion and varying forces. However, roller chains can also handle static loads to some extent. Here’s a detailed answer to the question:

1. Load Distribution: When a roller chain is subjected to static loads, the weight or force is evenly distributed across multiple rollers and pins. This helps to distribute the load more effectively and reduces stress concentrations on individual components. The load is transferred from one roller to another through the pins, ensuring a more balanced distribution.

2. Stiffness: Roller chains possess a certain degree of stiffness that enables them to resist static loads. The rigid construction of the chain, including the link plates and pins, helps maintain the integrity of the chain under static conditions. This stiffness allows the chain to support the applied load without excessive elongation or deformation.

3. Lubrication: Proper lubrication is essential for roller chains to handle static loads effectively. Lubrication helps reduce friction and wear, which can occur even under static conditions due to the weight of the load. Adequate lubrication ensures smooth movement of the chain and minimizes the risk of surface damage or increased friction during load-bearing.

4. Chain Preload: In some cases, applying a pre-load or initial tension to the roller chain can help improve its ability to handle static loads. The pre-load helps to eliminate any slack or looseness in the chain, enhancing its rigidity and reducing the potential for excessive elongation or misalignment when subjected to static forces.

While roller chains can handle static loads, it’s important to note that they are primarily designed for dynamic applications involving motion. Excessive static loads or prolonged exposure to static conditions may lead to increased wear, elongation, or deformation of the chain. In scenarios where the majority of the load is static, alternative power transmission systems or load-bearing mechanisms may be more suitable.

roller chain

What safety precautions should be taken when working with roller chains?

Working with roller chains requires following specific safety precautions to ensure the well-being of operators and prevent accidents. Here is a detailed answer to the question:

1. Personal protective equipment (PPE): Operators should wear appropriate PPE, including safety goggles, gloves, and protective clothing, to protect themselves from potential hazards such as flying debris, oil splashes, or pinch points.

2. Training and knowledge: Operators should receive proper training on the safe operation and maintenance of roller chains. They should be familiar with the equipment’s components, functions, and potential hazards associated with chain handling, tensioning, and lubrication.

3. Lockout/tagout procedures: Before performing any maintenance or repair work on machinery equipped with roller chains, proper lockout/tagout procedures should be followed to isolate and de-energize the equipment. This ensures that unexpected startup or movement of the chain does not occur, reducing the risk of accidents.

4. Inspection and maintenance: Regular inspection and maintenance of roller chains are essential to identify any signs of wear, damage, or misalignment. Operators should follow the manufacturer’s guidelines for inspection intervals and perform necessary maintenance tasks, such as lubrication, tension adjustment, and sprocket alignment, to keep the chain in optimal condition.

5. Proper tensioning: Maintaining the correct tension in the roller chain is crucial for its safe and efficient operation. Overly tight or loose chains can lead to excessive stress, premature wear, and potential chain failure. Operators should adhere to the recommended tensioning guidelines provided by the manufacturer.

6. Guarding and barriers: Installing appropriate guarding and barriers around roller chain assemblies can help prevent accidental contact with moving parts. This includes the use of chain guards, covers, or enclosures to minimize the risk of entanglement or injury.

7. Cleanliness and housekeeping: Keeping the work area clean and free from debris, oil spills, or other potential hazards is important to maintain a safe working environment. Regular cleaning of the roller chain and surrounding equipment helps prevent contamination, improves performance, and reduces the risk of slips and falls.

8. Risk assessment: Before working with roller chains, it is essential to conduct a thorough risk assessment to identify potential hazards and implement appropriate control measures. This includes evaluating factors such as load capacity, speed, environmental conditions, and specific requirements for the application.

By following these safety precautions, operators can minimize the risk of accidents and ensure the safe operation of machinery equipped with roller chains.

China high quality Motorcycle Roller Chain 428h  China high quality Motorcycle Roller Chain 428h
editor by CX 2023-10-24