Description: 1. Cause analysis of scratching XX position during operation of mobile phone case: incorrect operation method leads to machine scratching; Poor equipment, not found in time, resulting in crushing the machine; The appearance protection of the equipment is damaged or not in place, causing the equipment to scratch the machine. List all possible reasons for defects, and the most important thing is that your reasons for defects are written in the first article. )
2. Improvement measures: Please ask IE, quality control and engineering personnel to retrain and assess my operation method again to ensure that my operation method is OK before going online; find equipment engineers or local DRI to analyze and verify the equipment to ensure its normal operation; Please ask the quality control and appearance team to confirm whether the equipment and working environment may cause bad appearance and improve it in time. (These three articles are written for the above three reasons. )