During the use of UNIPOL-810 precision auto lapping and polishing machine, if sparks appear inside the grinding and polishing machine, this may be caused by a variety of factors. In order to ensure the safe operation of the grinding and polishing machine and excellent processing results, please pay attention to potential problems of the product in a timely manner and take corresponding preventive measures. Correct operation and regular maintenance are important links to ensure the performance of the equipment. Stay highly alert to ensure the safety and smoothness of the processing process. So let's take a look at what causes sparks inside the grinding and polishing machine!