The vibration of grinding machine is caused by poor dynamic balance of grinding wheel! ! ! First, install a grinding wheel, and shape the surface of the grinding wheel with a grinding wheel shaping knife or diamond shaper until the grinding wheel does not jump, and then install another one, and shape it until it does not jump. Be careful when grinding the wheel in the future. If the force is not good, the grinding wheel will grind badly, causing the grinder to vibrate.