51吃瓜

??? ?????????? ???? ???? ?????????? ?????????????????? ??? ????? ????? ?? ???? ??? ?? ??????? ???????????????? ??? ???????? ???? ??????????????????? ???? ??? ??? ???? ??????????? ?? ??зайн????????????, ????? ???? ??????? ?? ?????????? ??? ???????? ???? ??? ???? ??? ??? ??, ???? ??? ????? ?? ?????????????, ??????? ?? ????????? ?? ?????????????????? ??? ??? ??????, ???? ???: ????? ?? ????????????????? ????.

GB/T13914-2002 Dimensional Tolerances for Stamping Parts specifies the dimensional tolerances for Metal Stamping parts ???? ?? ?????? ????? ?????? ?????? ?????????? ??????? ??? ?????????? ?????????? ???????, ??? ??? ????????? ???????????? ???????????. ?? ???????????? ?????????????? ???? ???????????? ??????? ????? ???????? ?? ????? ?? ??????????? ???? ???????????? ??????? ??? ?? ?????? ???? ???????????? ???????.

???????????? ?????? ???? ????? ????????? ?????: ??????? ??? 11 ????????, ??????? ???? ST1 ??? ST11, ?????? ???? ST ?????? ?? ???????????? ?????? ???? ????? ????????? ?????, ??? ??? ???????niv??? ???? ????? ??????? ???? ???????? ?????? ?? ??????????? ???? ST1 ??? ST11 ??? ?????? ????????.

???????????? ?????? ?????????? ????????????????????: ?????????? ???????????????????? ????? ??????? ??? 10 ??????????????????, ???? ??????? ???? FT1 ?? FT10, ???? FT ??????? ?? ???????????? ?????? ???? ????????? ???? ?? ??????????? ???? FT1 ??? FT10 ????? ?????? ???. limits error of metal stamping parts: The downward error of hole size is 0, and the upper error is the sum of the lower error and dimensional tolerance. ??? ?????? ????????? ???? ??? ??????????????????? ??? ??? ?????????????????????, ??? ?? ??????? ???? 0, ??? ??? ?????????? ????????? ??? ??? ??????????? ?? ?????? ??? ??????????? ???????????????? ????? ????? ???????? distance, ??????????? distance, ???? ??? ??? ???? ????? ??? ?????? ???????? ????? ????? ???

??????? ??? ???????? ??? ???????, ??? ??????? ?? ???????? ??? ??? ??????? ?? ?????????????????. ??? ????? ?? ????? ???????? ???? ?? ???? ? ????? ??? ???????????

1. ??????? ???????????????: ??? ??????????????? ???? ???? ?? ????????? ???? ??forma ???? ???????;

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3. ????????? ?? ????????: ?? ?????? ????????? ???? ??? ?? ???????? ???? ??????? ?????????? ????????? ???? ?????????, ????????, ??? ?????? ??????? ????????.

4. ?????????? ?????????: ??????? ????????? ???? ????????????? ??????? ???? ??????????, ?????????, ??? ?????? ????????;

command

?? ??????? ??? ??? EMAR Mold Co., Ltd. ????? ??? EMAR ?????????? ??????????????, ??? ?? ???? ???? www.sjt-ic.com.