摘要
本文介绍了发条表面渗氮工艺。此工艺既可解决增强发条强度,提高发条力矩的问题,又保证了发条具有良好的韧性。
This article introduces the permeating nitrogen technology of mainspring surface. It can resolve to increasing the mainspring' s intensity, and improving the mainspring' s moment. At last it promiss the good toughness of the mainspring.
出处
《钟表》
1995年第2期22-23,共2页
Time Square
