经机加工的零件,其形位精度是否达到了设计要求,需要通过正确地检测来判断。在生产中,要做到正确地评定形位精度,并使检测取得准确而又经济的效果,正确应用检测原则是一个重要的问题。本文就形位公差检测规定标准(GB1958—80)中提出的检测规定及其在应用中的有关问题作一简介。 Machined parts, the shape of the accuracy of the design requirements have been reached, the need to judge by the correct test. In production, to correctly measure the position accuracy, and make the test to obtain accurate and economical results, the correct application of testing principles is an important issue. This article gives a brief introduction of the inspection rules proposed in the standard of the tolerance position tolerance test (GB1958-80) and its application.