This standard specifies the general tolerances for metal cold stamping parts with material thickness up to 12mm. This standard applies to the general tolerances of cold stamping parts in equipment components of electrical equipment. It can also be used as a reference for sheet metal parts processed by other processing methods and hole processing parts of non-metal plates.
JB/T 6753.3-1993 history
1993JB/T 6753.3-1993 Tolerance of component parts of electrical equipments General tolerance of metal cold stamping parts