1. Because the feed speed is too fast, the load increases instantly, forming a blockage. So when feeding, pay attention to the current pointer. If it is overloaded, it should be reduced in time, because the motor will burn out for a long time. Or change the feeding method, use the feeder to feed, the player moves or automatically, choose according to the situation.

2. The closing of the screen or the aging of the hammer will cause blockage, and the equipment should be checked regularly to improve the production level.

3. If the discharge is not smooth and the feeding speed is fast, cold blockage will be formed. After the discovery, it is necessary to clean up the conveying equipment and adjust the feeding amount to make the equipment operate normally.