论文部分内容阅读
我厂有些大件需要局部防渗碳,多年来采用机械遮盖防渗的方法,即将需要防渗的部位;用机械遮盖的方法全部遮起来,保证了工件质量,收到了良好的经济效果。
Some large pieces of our factory need partial carburizing prevention. For many years, the method of mechanical covering and seepage prevention is about to be used to prevent seepage. The method of mechanical covering is completely covered to ensure the quality of the workpiece and receive good economic results.