20B Roller Chain

We make good quality 20B roller chain.

Roller chain usually refers to the precision roller chain used for short pitch transmission, which is the most widely used and has the largest output. Roller chain can be divided into single row and multi row, which is suitable for small power transmission.

There are many reasons for excessive chain noise, including the following aspects: 

First, the sprocket is not aligned and offset, and the friction between the sprocket and the chain leads to increased noise. Maintenance measures: the sprocket needs to be readjusted. 

Second, the sagging of the relaxed side is inappropriate. Too loose will lead to loose fit between chain and gear, resulting in noise; Too tight engagement will lead to excessive friction between sprocket and chain, resulting in excessive noise. Maintenance measures: according to the situation, adjust the sag of the loose edge of the chain to make the chain fit well with the sprocket. 

Third, insufficient lubrication, lack of lubricating oil between chain and gear, resulting in excessive noise. Maintenance measures: select the appropriate lubricating oil according to the type of chain (select high-quality, clean, appropriate viscosity or sufficient lubricant). 

Fourth, the chain box or support frame is not firm and loose. The chain box or support frame is not firm, resulting in the left and right deviation of the chain during operation, resulting in increased noise. Maintenance measures: the chain box or support shall be strengthened. 

Fifth, the chain or sprocket is seriously worn due to long-term use or poor coordination between the 20B roller chain and sprocket. Repair measures: replace the worn chain or sprocket. 

Sixth, improper chain selection, too large pitch and too large pitch lead to improper chain matching and extrusion wear. Maintenance measures: select the appropriate chain again and use the chain with smaller end. 

Seventh, the number of sprocket teeth is too small. Maintenance measures: increase the number of sprocket teeth, otherwise it needs to be redesigned.

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