为此，设计制造了特殊的感应器和工装夹具，采用二次高频淬火工艺解决了该倒挡拨叉的热处理难题。
For this reason, special inductor and fixture have been designed and the heat treatment problem of the reverse fork has been successfully solved by double high frequency quenching.
采用感应加热研究X 70控轧钢弯管二次加热力学组织、力学性能随着淬火温度、回火时间的变化规律。
Using the method of induction heating, the regulation of the variety of X70 controlled rolling steel bends'mechanics structure and mechanics property in secondary heating is investigated.
机床整体床身重，同时床身制造过程中采用二次淬火工艺，从而改变了铁的内部结构，使之更加耐冲压，刚性上有显著提高。
Tempering of the machine bed is carried out twice to ensure stability. The tempering process changes the internal structure of the iron making it more durable and rigid.
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