针对石油钻采高压管线连接活接头生产中的问题，提出利用锻造余热直接淬火的形变热处理工艺。
In light of the problems occurred in manufacturing the high-pressure pipeline unions, the authors propose to treat the union by direct quenching through the use of the residual heat of forging.
感应加热表面淬火的工件材料一般为中碳钢。
Induction surface hardening of the workpiece material is usually carbon steel.
研究了45钢在脉冲电场作用下淬火的新工艺。
The new technics of 45 steel quenching under pulse electric field was studied.
应用推荐