中径规在螺纹参数测量中的应用及分析

Analysis for Using Medium Diameter Gauge to Measure Thread

阐述了中径规的特点、工作原理及其在检测螺纹的使用方法,分析了中径规在测量过程中的误差来源、不确定度及减少误差的方法,从而使测量结果更加准确,并结合生产实例分析了紧密距测量与中径规测量的误差。

The character,working principle and using method testing thread of the medium gauge are stated.The tolerance’s resource,uncertainty and the method of deceacing the tolerance in the procedure of tesing by the gauge are analyzed.The testing result becomes more exact.The tolerance of tight distance measure and medium diameter gauge measure is analyzed combined with production.