一、引言在汽车零件热处理方面,现在最重要的问题是不产生或少产生公害和尽可能寻找节省资源的热处理方法。汽车零件的热处理,因受其设备的限制,在处理方式上不会有多大变化。热处理工艺产生的废水、废气、噪音等在很大程度上会造成社会公害。最成问题的是处 I. INTRODUCTION In the field of heat treatment of automobile parts, the most important issue nowadays is the heat treatment that does not produce or produce less pollution and wherever possible, to save resources. Heat treatment of automotive parts, due to the limitations of its equipment, in terms of treatment will not have much change. Wastewater, exhaust gas, noise and so on generated by the heat treatment process will cause public nuisance to a great extent. The most problematic is the office