摘要
非标M77×2(3°／45°)特锯齿形螺纹在我国还较少见,这里对该螺纹的结构特点作了介 绍,同时介绍了该螺纹量规制造过程中使用三针测量螺纹中径时,如何选择和确定三针直径。
Non-standard special sawtooth thread M77 × 2 (3°/45°)is seldom used in our country. This paper introduces the structural characteristic and the way of selecting and confirming diameter of the three-needle on measuring pitch diameter of thread, while the thread gauge is manufactured.
出处
《新技术新工艺》
2005年第1期32-33,共2页
New Technology & New Process
