The Exact Calculation of the Virtual Effective Diameter of Symmetrical Triangular Screw Thread 对称螺纹作用中径的精确计算
A Collision Avoidance System for Automatic Withdrawal Lathe Tool An auto& reverse toolpost for high speed cutting triangular thread is introduced. 介绍了一种高速切削三角螺纹的自动退刀装置。
The Methods to Cut Triangular Straight Thread in NC Lathe 在数控车床上车三角直螺纹的方法