Kneeling, how to deal with defective products, the following is a detailed description, my writing is not good, I hope you will give some practical suggestions patiently after reading it, brother appreciate it very much! After-the-fact control: it is the practice of concession and acceptance mentioned by the following people, mainly to judge whether it will affect the use and feelings of customers;

Process control: increase process inspection and SPC measurement, standardize size and appearance, isolate defective products and incoming materials, and find problems in the process;

Pre-control: establish a quality management system, specify requirements in the system, standardize and clarify the system in advance, find problems in the environmental measurement of man-machine materials method, and use total quality management, DOE, fishbone diagram, process capability and process capability analysis to push forward the management process and nip quality problems in the cradle. Reduce quality cost and rework cost.

It is recommended to look at the quality management system and total quality management. DOE, statistical SPC8 method, 6 sigma and other professional books, integrating theory with practice.