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Silent chain is mainly composed of inner and outer plates, rollers, pins and sleeves. The inner and outer plates are the main load-bearing parts of the chain, the rollers and pins play the role of transmitting power, and the sleeves play the role of shock absorption and noise reduction. The structure of the silent chain is compact, and the matching accuracy between the various components is high to ensure the normal operation of the chain. Compared with roller chains, it has smooth meshing, small impact, and greatly reduces noise during operation, making it very suitable for applications with high noise control requirements. Due to the precise meshing of toothed chain plates with sprocket teeth, there is less slippage and the efficiency is usually above 98%, which is higher than ordinary chain transmission. The structure is stable and can transmit large torque and power at the same time, suitable for high load conditions. The multi-chain plate design has more meshing points, good transmission balance, small vibration, and is suitable for high-speed operation. Using high-strength alloy steel and heat treatment process, the chain plates have good wear resistance and longer life than ordinary chains.

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 Silent Chains Manufacturers and Silent Chains Factory, 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
  • Zhejiang Province 3.15 Gold Commitment Excellent Unit
  • 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
News
  • Choosing the Right Conveyor Chain Monitoring System: A Practical Buyer's Guide

    A conveyor line that moves heavy cases through an automatic palletizer can lose several hours of production when the chain begins to skip on the drive sprocket. The typical cause is chain elongation reaching the 1.5% wear limit that most roller chain standards use as a replacement threshold. At a 50.8 mm pitch, that m...

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  • Conveyor Chain Selection Guide: Types, Pitch, Attachments, and Maintenance

    A filling line starts dropping cartons at irregular intervals. The maintenance log shows that the same conveyor chain was replaced twice in one season, and the sprocket teeth on the drive shaft are worn on one flank only. This is a familiar pattern in plants that handle unit loads: the chain does not fail suddenly, it...

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  • Roller Chain Basics: Types, Standards, Sizing, Lubrication, and Selection

    A roller chain rarely fails by sudden breakage. In most industrial drives, the real cause of downtime is wear elongation that has quietly passed the point where sprocket teeth can mesh correctly. The good news is that this failure mode is largely preventable. Select the right chain grade for the load, keep it properly...

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Silent Chains Industry knowledge

1. Advantages of Alloy Steel Silent Chains in Heavy-Duty Applications

Alloy steel silent chains are engineered to offer superior durability, especially in heavy-duty applications where high power transmission is required. The key benefits include:

  • Enhanced wear resistance: Alloy steel's superior hardness helps the chain withstand abrasive conditions, extending its service life in demanding environments.
  • Increased tensile strength: Alloy steel can handle higher loads, making these chains ideal for use in industrial machinery and large mechanical systems.
  • Improved fatigue resistance: These chains can endure repeated stress cycles without failure, making them perfect for continuous operation.

2. Silent Tooth Transmission Chains: Key Considerations for Optimal Performance

Silent tooth transmission chains are known for their quiet operation, making them an excellent choice for environments where noise reduction is crucial. To optimize their performance, consider the following factors:

  • Lubrication: Regular and proper lubrication is essential to reduce friction, maintain smooth operation, and prolong the life of the chains.
  • Proper tension: Ensure the chain is neither too tight nor too loose. Correct tension ensures smooth engagement of the teeth and minimizes noise.
  • Material selection: High-quality materials with appropriate hardness and wear resistance are necessary to avoid premature wear and maintain noise reduction capabilities.

3. Impact of Environmental Factors on Silent Chains

Environmental conditions such as temperature, humidity, and exposure to chemicals can significantly impact the performance of alloy steel silent chains. Below are some key considerations:

  • Temperature: Extreme heat or cold can affect the material properties of the chain, leading to brittleness or softening. Using temperature-resistant alloys can mitigate this issue.
  • Humidity and moisture: Prolonged exposure to moisture can lead to rusting, which may decrease the efficiency of the chain. Corrosion-resistant coatings or materials should be considered for such environments.
  • Chemical exposure: Certain chemicals can degrade chain components. Ensuring the chains are compatible with the operational environment’s chemicals is essential to prevent premature failure.

4. Comparing Alloy Steel Silent Chains and Other Chain Materials

When selecting a chain for a particular application, it's important to compare the properties of alloy steel silent chains with other materials like stainless steel and carbon steel. Here's a quick comparison:

Property Alloy Steel Silent Chains Stainless Steel Chains Carbon Steel Chains
Wear Resistance Excellent Good Moderate
Noise Reduction High Low Low
Tensile Strength High Good Excellent
Corrosion Resistance Moderate Excellent Poor