The processing methods of compound punching die convex die concave die and die of convex and concave for silicon steel piece cemented carbide are provided.
介绍了硅钢片硬质合金复合冲模与凸模、凹模、凸凹模等的制造方法。
Punching side blade is an important procedure of terminals die, its punching shape, concave die and convex die structure greatly impact the terminals on manufacture quality.
冲裁侧刃是端子模具中的重要工序，其冲裁形状和凸、凹模结构对端子生产质量影响很大。
Through theoretical analysis, probability revisal and experimental test, the limit drawing ratio of a tapered cup drawn by cylinder convex punch and tapered concave die is determined in tis paper.
通过理论分析，概率修正和实验验证，确定出利用柱形凸模、锥形凹模一次拉深锥形件的极限拉深比。
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