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本文介绍了超声振动挤压强化工艺中工具头的设计特点及修磨方法，并通过试验，对挤压工具头的磨损规律及各工艺参数对其耐用度的影响进行了分析。
In this paper, the design features and the grinding method of the tool head in the ultrasonic vibration extrusion strengthening process are introduced. The wear rules of the extrusion tool head and the influence of the process parameters on the durability of the tool head are analyzed.