Chain Sprocket Gear

1. The tightness of the chain sprocket wheel shall be appropriate. If it is too tight, it will increase power consumption and the bearing is easy to wear; Too loose, the sprocket is easy to jump and fall off the chain. The tightness of the sprocket: lift or press down from the middle of the sprocket, which is about 2% - 3% of the center distance between the two sprockets. 

2. The chain sprocket gear shall be installed on the shaft without swing and skew. In the same transmission assembly, the end faces of two sprockets shall be located in the same plane. When the center distance of sprockets is less than 0.5m, the deviation can be 1mm; When the center distance of sprocket is more than 0.5m, the deviation can be 2mm. However, there shall be no friction on the side of sprocket teeth. If the deviation of two wheels is too large, it is easy to cause chain disengagement and accelerated wear. When replacing the sprocket, pay attention to check and adjust the offset. 

3. After the chain sprocket gear is seriously worn, the new sprocket and new sprocket shall be changed at the same time to ensure good meshing. It is not allowed to change the sprocket or new sprocket alone. Otherwise, it will cause poor engagement and accelerate the wear of new sprocket or new sprocket. After the sprocket tooth surface is worn to a certain extent, it shall be turned over in time (referring to the sprocket used for adjustable surface) to prolong the service time. 

4. The new sprocket is too long or elongated after use, which is difficult to adjust. The chain links can be removed according to the situation, but they must be even. The chain link shall pass through the back of the sprocket, the locking plate shall be inserted outside, and the opening of the locking plate shall face the opposite direction of rotation. 

5. The chain sprocket gear  shall be filled with lubricating oil in time during operation. Lubricating oil must enter the fit clearance between roller and inner sleeve to improve working conditions and reduce wear. 

6. The old sprocket cannot be mixed with some new sprockets, otherwise it is easy to produce impact in the transmission and break the sprocket. 

7. When the machine is stored for a long time, the sprocket should be removed and cleaned with kerosene or diesel oil, then coated with engine oil or butter and stored in a dry place.

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