51吃瓜

?????? ??????? ????? ?? ?????? ??? ?????? ??? ????? ?????? ??? ???? ?? ??? ???????? ??? ????? ?? ???? ???? ?? ??? ??? ???? ???. ?? ???? ?? ????? ??: 1. ????? ??? 1. ?????? ?????? ?????? ?? ?????: ?????? ?????? ????? ?? ?????? ???? ?? ?? ????? ??? ?????? ?? ??? ????? ??. Method: use high-precision measuring equipment for size measurement, such as vernier calipers, height gauges, micrometers etc. ?????: ????? ?? ??? ?? ??? ?? ?????? ????? ?? ????? ?? ???? ???? ???? ??? ??? ????? ???? ????? ?? ???? ?????? ???? ???. 2. Geometric Tolerance Detection ?? ?????: Geometric tolerances reflect the shape and position accuracy of parts. Method: Use optical measuring instruments or coordinate measuring machines to detect geometric tolerances. ?????: ????? ?? ??? ?? ???? ?? ???????? ??????? ?? ????? ????? ?? ????? ?? ?????? ??? ??????? ?? ????? ?? ?????? ????. 3. ?????? ?????? ?????? ?? ??? ??: ?????? ?????? ????? ?? ????? ???? ??? ??? ???? ?? ??? ?? ????? ???? ??. Method: Conduct mechanical performance tests such as stretching, compression, and bending to evaluate the mechanical properties of the parts. ???? ??: ????? ?? ??? ?? ????? ?? ?????? ??????? ??????? ?? ??????? ?? ???? ????. 4. ???? ?????? ???????? ?????? ?? ??? ??: ?????? ???????? ???? ??????? ???????? ?????????? ??? ?? ??? ??. Method: Use optical measuring instruments to test parameters such as refractive index and attenuation of optical fibers. ???? ??: ????? ?? ??? ?? ??? ?? ???? ?????? ??? ?? ????? ????? ?? ????? ???? ???? ?? ?? ?????? ???????? ?? ????? ???? ?????? ????? ???? ?? ???? 2? ?????? ?????? Step 1: ??? ?????? ?????? ?? ?????: ???? ???? ?? ?????? ???????? ?????? ??? ?????? ???? ?? ??? ???? ??. Measures: Strictly inspect and screen raw materials to ensure that their quality meets requirements. 2. ????? ?? ?????? ?? ??? ??: ????? ?? ???? ?? ??? ?????? ?? ??? ???? ?? ????? ?? ???? ???? ?? ??? ????? ??. ?????: ????? ?????? ?? ?? ??? ?? ????? ????? ????? ???? ????? ????? ?? ???? ???? ??? ????? ????????? ?? ???? ????? ????? ?????? ?? ???? ??? ??? ??? ?? ????? ?? ????? ????? 3. ?????? ????? ??? ??? ?? ?? ??? ???: ?????? ????? ??? ??? ????? ?? ?? ??? ?? ?????? ?? ???? ???? ?? ???? Measure: Processing ??? ??? ?????? ?? ???? ??? ??? ?? ????? ?? ????? ???? ?? ??? ????? ?? ???? ????? ??? ???? ????. ??? ???? ??? ????? ????? ????? ??????? ????? ???? ?? ????? ?? ????? ?????? ?????? ?? ??? ???? ??? ???? ?????? ?????????? ?? ???? ???? ??? ?????? ????????? ?? ??? ????? ?? ???? ????. 4. SPC ?????? ?? ??? ??: SPC ?????? (Statistical Process Control) ??? ????? ?? ?? ????? ????? ?? monitor ??? ?????? ???? ?? ??? ??????? ??? ???? ??. ???? ???????: ???? ???? ?????? ????? ????? ?? ?????? ??? SPC ?????? ?? ??? ?????? ?? ???? ?? ???? ?? ?? ?????? ??? ???? ??? ???? ?? ?????? ?? ?? ????? ?? ??????? ????? ?? ?????? ?? ??? ????.