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材料成形加工技术是先进制造技术(AMT)三大构成部分中最本源内容,它是直接作用于被加工材料的技术,是制造的物理过程之总称[1].成形加工技术的进步与发展从根本上决定了制造技术的工程技术意义和市场经济价值.精密冷挤压是材料成形加工技术内容之一.近三四十年来,它的理论和实
The material forming and processing technology is the most important content in the three major components of Advanced Manufacturing Technology (AMT). It is the technology that directly acts on the material to be processed and is the general name of the physical process of manufacturing [1]. The progress and development of the forming technology Fundamentally determines the engineering and technical significance of manufacturing technology and market economy value.Precision cold extrusion is one of the material forming technology content.For nearly three decades, its theory and practice