论文部分内容阅读
本文是在总结我国现有冲裁间隙的研究成果及实际生产经验的基础上,参照了美国工具和制造工程师协会(ASTME)1964年制订的冲裁间隙表而拟订的。一、总则本文介绍的冲裁间隙仅适用于板料的普通冲裁,所提供的三类间隙值,各行业、各单位可根据自己的生产特点合理选用。冲裁间隙系指凸凹模工作部分对应尺寸之差,本文采用双面间隙。
This article is based on the summarization of the research results and actual production experience of the existing blanking gap in our country, with reference to the blanking clearance table established by the American Society of Tools and Engineers (ASTME) in 1964. First, the general This article describes the blanking gap is only applicable to the ordinary sheet metal blanking, the gap provided by the three types of various industries, all units according to their own production characteristics of a reasonable choice. Blanking gap refers to the punch and die corresponding to the size of the work of the difference, this paper uses double-sided gap.