The tightness of the sprocket should be appropriate. Too tight will increase power consumption, and the bearing is easy to wear; The chain wheel is too loose to jump and fall off. The tightness of the sprocket is: lift or press from the middle of the sprocket, about 2% - 3% of the center distance between the two sprockets. After the sprocket is seriously worn, replace it with a new sprocket and a new sprocket at the same time to ensure good engagement. Do not replace a new sprocket or a new sprocket alone. Otherwise, it will cause poor engagement and accelerate the wear of new sprocket or new sprocket. After the tooth surface of the sprocket is worn to a certain extent, it should be turned over in time for use (referring to the sprocket used with adjustable surface) to extend the service time.

Sprocket is one of the important parts of the scraper conveyor. Its characteristics have a direct impact on the service life of the scraper conveyor. The sprocket drive used in the sprocket wear analysis is the ordinary traction sprocket, which has relatively large sliding motion at the engagement, and the working conditions are poor, which will cause serious wear.