(2) mother die unit: Round female mold unit, also known as the master mold guide sleeve unit in the form of monolithic and separate type, according to the number of production, processing and service life of the products, or red chips, the master mold unit the series combination of: (A) using the templates directly processed master mold shape, (B) has a two-stage bevel of the escape gap portion, (C) whether to use the backplane, (D) an irregular shape mother die.... there must be designed to prevent rotation

Precision machining, precision wire cutting, coordinate jig grinders