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介绍了轴承套圈热锻穿孔凸模的工作环境和性能要求 ,分析了凸模失效形式及原因。详细论述了采用CH75电渣钢制作凸模的复合强化处理新工艺 ,并取得了显著的技术经济效益。附图 2幅 ,表 1个。
The working environment and performance requirements of hot forged punched punch for bearing ring were introduced. The failure modes and reasons of punch were analyzed. Discussed in detail the use of CH75 electroslag steel punch punch composite strengthening of new technology and achieved significant technical and economic benefits. Figure 2, Table 1.