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在一些最重要的机械产品上,螺纹联接的精度很高,因此,采用的螺纹检查方法和检查工具应保证2～3μm的测量精度,但是借助螺纹塞规、螺纹环规和带表螺纹卡规的传统测量方法很难保证这样的测量精度。下面介绍一种测量内、外螺纹用的电子量仪(见附图),该仪器包括三个主要部件:8731型电子线值指示计8238型电感位移变换器Ⅱ(传感器)和检查内、外螺纹用的塞规Ⅲ或卡规Ⅳ。
In some of the most important mechanical products, the thread coupling accuracy is high, therefore, the use of thread inspection methods and inspection tools should ensure the 2 ~ 3μm measurement accuracy, but with the help of thread plug gauge, thread ring gauge and thread gauge The traditional measurement method is difficult to guarantee such measurement accuracy. Here is a measurement of internal and external thread with the electronic instrument (see photo), the instrument includes three main components: 8731 electronic wire value indicator 8238 type inductance displacement converter Ⅱ (sensor) and check the inside and outside Plug with the regulation Ⅲ or regulation Ⅳ.