Based on relevant operation results it is concluded that under the precondition that all the thread element data like taper and pitch remain consistent it is feasible to substitute the pitch diameter gauge and the ovality gauge for the thread work gauge .

结合生产实例分析指出，在 锥度、螺距等螺纹单项参数合格稳定的情况下，用中 径和椭圆度量规替代螺纹工作量规是可行的。

Morse taper working plug gauge with flat tail type B 930

带扁尾莫氏 圆锥工作 塞规B型930