一种啮合套倒锥齿挤齿刀具的设计与制造  

Design and Manufacture of an Inverted Bevel Tooth Extrusion Tool for Shift Sleeve

作　　者：路兴飞 崔志利 张祥勇 LU Xingfei;CUI Zhili;ZHANG Xiangyong(First Tractor Company Limited Gear Transmission Company,Luoyang 471003,China)

机构地区：[1]第一拖拉机股份有限公司齿轮传动公司,河南洛阳471003

出　　处：《机械工程师》2021年第6期153-154,157,共3页Mechanical Engineer

摘　　要：针对拖拉机变速箱中啮合套内花键倒锥齿结构的加工,介绍了一种退刀槽结构的啮合套倒锥齿冷挤加工所需挤齿刀具的设计方法,给出挤齿过程中是否发生齿顶切入顶切现象的验算方法,并分析了挤齿刀具的加工制造工艺。Aiming at the processing of the spline inverted bevel gear structure of the shift sleeve in the tractor gearbox,a design method of the extrusion tool required for cold extrusion of the shift sleeve inverted bevel gear with the undercut structure is introduced,and the process of the extrusion is given.The method of checking whether the phenomenon of the tooth top overcut occurs,and the processing and manufacturing technology of the tooth extrusion tool is analyzed.

关 键 词：啮合套 倒锥齿 挤齿刀具 

分 类 号：TG61[金属学及工艺—金属切削加工及机床]