The origin and investigation of equipment diagnosis technology, the purpose of tear machine equipment diagnosis science should be "to ensure the reliable and effective play of the function of tear machine equipment". Here are three points: The first is to ensure that the metal shredder equipment has no defects and works reliably; The second is to "make the best use of everything" to ensure the maximum benefit of the equipment. The third is to ensure that if the equipment will have defects or have defects, it can be timely and correctly diagnosed and repaired, so as to reduce the repair time and advance the repair quality. The important equipment should be able to repair according to the condition of the equipment (i.e. repair according to the situation or predict the repair). The current repair system of repair on time should be changed Unified. It should be pointed out that equipment diagnosis technology should be the effectiveness of equipment repair, and it sho...