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对经渗碳淬火后内花键孔变形收缩的齿轮 ,长期以来都是用推刀进行扩孔修复 ,既费时 ,推刀的消耗量也大 ,质量还难以保证。我们曾想法对推刀进行处理来提高其使用寿命 ,也曾摸索用套花键轴等方法来控制齿轮渗碳淬火花键孔变形 ,但最为有效的方法是改进渗碳淬火工艺。我们对拖拉?
After the carburizing and quenching of the internal gear deformation and shrinkage of the gear, for a long time are reamer with reaming repair, both time-consuming, push the knife consumption is also large, the quality is difficult to guarantee. We had the idea of pushing the knife to improve its service life, have also explored the use of sets of spline shaft and other methods to control gear carburizing and quenching spline hole deformation, but the most effective way is to improve the carburizing and quenching process. We drag on?