我厂生产的汽车、拖拉机零配件,规格品种多,材料为0.15～2毫米厚的铜板、钢板及0.2～3毫米厚的非金属材料石棉板和中压橡胶石棉板等.冲裁模具需求量大,生产周期长,制造困难,质量不易保证.为了改善模具的制造工艺,自1982年初以来逐步推广了锌合金冲裁模具.除了一般的单冲孔和单落料模外,还制造成功了以锌合金为基体,用65 Mn 钢板做刃口的多孔冲模.经一年多的生产实践表 I plant the production of cars, tractors spare parts, specifications and more varieties of materials for the 0.15 to 2 mm thick copper, steel and 0.2 to 3 mm thick non-metallic materials asbestos and medium-pressure rubber asbestos board, etc. Blanking die Large, long production cycle, manufacturing difficulties, quality is not easy to guarantee.In order to improve the mold manufacturing process, since the beginning of 1982 has gradually promoted the zinc alloy blanking die. In addition to the general single-punch and single blanking die, but also made a success Zinc alloy as the base, with 65 Mn steel plate to do the edge of the porous die. After more than a year of production practice table