改变丝锥切削角度解决热处理后零件内螺纹变形的工艺方法研究  

Study on the Process Method of Changing the Cutting Angle of Tap to Solve the Internal Thread Deformation of Parts After Heat Treatment

作　　者：秦瑞军 周学峰 李泽峰 Qin Ruijun;Zhou Xuefeng;Li Zefeng(Inner Mongolia First Machinery Group Co.,Ltd.,Baotou,Inner Mongolia 014030)

机构地区：[1]内蒙古第一机械集团股份有限公司,内蒙古包头041030

出　　处：《包头职业技术学院学报》2022年第4期51-53,共3页Journal of Baotou Vocational & Technical College

摘　　要：钢制工件热处理后材料硬度提高,内螺纹会出现微变形或表面氧化皮,热处理过程中油泥杂质粘附在螺纹表面,导致螺纹塞规无法正常通过。正常丝锥校螺纹时阻力大易折断,通过改磨丝锥切削刃角度减少丝锥与螺纹的摩擦力来校正螺纹,使其螺纹塞规正常通过达到工艺要求。针对热处理后校螺纹丝锥卡死和折断的问题采用正确有效的方案进行处理,从而使零件能够达到工艺技术要求。通过改磨丝锥改变切削参数多次研究试验,解决热处理后校螺纹问题,具有较好的示范和推动作用。After the heat treatment of steel workpiece,the material hardness will increase,and the internal thread will have micro deformation or oxidative surface.During the heat treatment,the oil sludge impurities adhere to the thread surface,which lead to the failure of the thread plug gauge to pass normally.The normal tap is easy to break due to large resistance when calibrating the thread.Aiming at the problem that the thread calibrating tap is stuck and broken after heat treatment,a correct and effective scheme is adopted to deal with it,so that the parts can meet the technological requirements.By changing the grinding tap and changing the cutting parameters,the problem of thread calibration after heat treatment is solved,which has a good demonstration and promotion effect.

关 键 词：内螺纹 丝锥 热处理 螺纹量规 切削角度 

分 类 号：TG62[金属学及工艺—金属切削加工及机床]