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“公差与配合”国家标准(以下筒称新标准)的实施,对于机械制造工业的发展起到了推动的作用.在应用该项标准时,必然要遇到如何判断零件尺寸和如何判断配合间隙(或过盈,以下同)合格与否等问题.本文探讨完工件尺寸和间隙的判断以及与之有关的几个问题,提出一些不成熟的观点,以求抛砖引玉.
The implementation of the national standard “Tolerance and Coordination” (hereinafter referred to as “the new standard”) has played a catalytic role in the development of the machinery manufacturing industry, and the application of this standard inevitably encounters the problem of how to judge the size of the parts and how to judge the clearance Interference, the same below) are qualified or not.This article discusses the judgment of the size and the gap of the finished workpiece and several problems related to it, and puts forward some immature opinions in order to start a discussion.