In addition, they believe, for tapping there exists a critical cutting thickness (threaddepth) value of the critical cutting thickness within the tapping can reduce the tapping torque.
Radial distortion of the flexible component in the stop valve can be adjusted so as to ensure the joint depth between flexible screw thread trepanning circular groove and screw thread on the screw.
截止阀的柔性元件的径向变形值可以调节,保证柔性螺纹套的环槽与螺杆上的螺纹的接合深度。
3
The utility model relates to a tool for measuring internal threaddepthof mechanical parts.