渗碳盐浴分级淬火法可有效地解决渗碳齿轮变脆发生断裂和热处理变形，从而提高了齿轮精度。
The carburizing-salt bath-stepped quenching can effectively prevent the gears from being fragile and deforming , so that the accuracy of the gear is improved .
分级淬火法