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About Us
Hangzhou Qianjiang Chain Industries Co., Ltd.
Hangzhou Qianjiang Chain Industries Co., Ltd.
Hangzhou Qianjiang Chain Industries Co., Ltd. was founded in 1987, as China Roller Chains Suppliers and Multi-strand Roller Chains Company, specializing in the production of A.B series precision roller chains, motorcycle special chains and high-end oil seal chains, all kinds of logistics transportation machinery chains, dustproof and waterproof industrial oil seal chains and agricultural machinery chain, lifting machine chain, silent tooth transmission chain, steples transmission chain, intelligent door and window bending chain, stainless steel chain, non-standard special chain and sprocket. Since 1991, in cooperation with Jilin University of Technology chain Transmission Research Institute of China chain Research Institute, the PIV steples transmission chain and CL series silent tooth chain have been optimized and upgraded, the high-end motorcycle oil seal chain and heavy-duty series precision roller chain have been developed, and the cooperation of production, learning and research has been established.
Certificate Of Honor
  • Quality Management Certificate
  • Environmental Management System Certification
  • Occupational Health and Safety Management System Certification Certificate
  • Zhejiang Province Industrial New Product Certificate
  • Certificate
  • Safety Production Standardization Certificate
  • Geely University Industry-Academic-Research Cooperation R&D Base
  • Zhejiang Province Science and Technology Small and Medium Enterprises Certificate
  • Focus On Quality And Keep Integrity. Demonstration Unit
  • Certificate
  • AAA Rated Credit Enterprise In Enterprise Credit Evaluation
  • A-Level Tax Credit Enterprise
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Roller Chains Industry knowledge

1. Understanding Roller Chains

Roller chains are one of the most common and reliable types of mechanical power transmission devices. They are designed to efficiently transfer power between sprockets in a wide variety of machines, from industrial conveyors to motorcycles. Roller chains are made of several components, including the chain links, rollers, pins, and bushings, each working together to ensure smooth and durable operation.

1.1 Key Components of Roller Chains

  • Chain Links: The individual segments that form the chain.
  • Rollers: Provide smooth contact with the sprockets, reducing wear and tear.
  • Pins: Connect the links together, allowing the chain to move freely.
  • Bushings: Reduce friction between the chain’s internal components.

2. Applications of Roller Chains

Roller chains are used in a wide variety of industries, offering durability and versatility. They are commonly found in industrial equipment, agricultural machinery, and transportation systems. Below are some key applications:

2.1 Industrial Machinery

In industrial environments, roller chains are used in conveyors, packaging machines, and other automated systems to transmit mechanical power efficiently.

2.2 Agricultural Equipment

Agricultural machinery, such as tractors, combines, and harvesters, often rely on roller chains to transfer power from the engine to other mechanical systems like wheels and harvesters.

2.3 Transportation Systems

Roller chains are also widely used in bicycles, motorcycles, and other vehicles to transmit power from the engine to the wheels, ensuring smooth and reliable movement.

3. Exploring Multi-Strand Roller Chains

Multi-strand roller chains are a variation of the standard roller chain, designed to handle higher loads or allow for more precise power distribution. They consist of two or more strands of roller chains operating in parallel, making them more efficient for applications requiring greater load capacity or longer service life.

3.1 Advantages of Multi-Strand Roller Chains

  • Increased load capacity due to the parallel arrangement of multiple strands.
  • Improved performance in high-stress applications, such as large industrial machines and conveyors.
  • Extended service life, as the load is distributed across multiple strands, reducing wear on individual components.

3.2 Applications of Multi-Strand Roller Chains

Multi-strand roller chains are commonly used in heavy-duty applications where the standard roller chain may not provide adequate power transmission. Some typical uses include:

  • Conveyors in high-volume production lines.
  • Heavy-duty machines in industries like mining, construction, and agriculture.
  • High-performance vehicles requiring superior power transfer, such as racing bikes and motorcycles.

4. Maintenance and Care for Roller Chains

Proper maintenance is crucial to ensure the longevity and efficient operation of both roller chains and multi-strand roller chains. Regular maintenance practices include:

4.1 Lubrication

Regular lubrication of roller chains helps reduce friction and prevent wear on the chain components. It’s important to use the correct type of lubricant based on the chain's application.

4.2 Tension Adjustment

Keeping the chain properly tensioned is essential to avoid unnecessary wear and tear. An overly tight or loose chain can lead to premature failure of components.

4.3 Regular Inspections

Frequent inspections are necessary to identify any early signs of wear or damage. Look for signs of elongation, broken links, or excessive wear on the sprockets and rollers.