1. The frame of the belt conveyor is inclined. For example, the center line of the conveyor is deviated from the normal position, and the side of the frame has a high side and a low inclination. These may cause the belt to run off. The phenomenon
2. Since the joint between the conveyor belts of the belt conveyor is not straight, the tension of the two ends of the belt is not the same. In this case, the belt is generally inclined in a direction with a relatively large tension, so that the deviation occurs.
3. The guide groove of the belt conveyor may also cause deviation. The rubber plates on both sides of the guide groove exert different pressure on the belt, which causes the belt of the machine to receive different resistance and finally causes the running. Bias phenomenon