基于球形滚刀的面齿轮滚齿加工方法

面齿轮传动具有突出的优点,在航空领域具有广阔的应用前景。为提高面齿轮的加工效率,针对面齿轮球形滚刀及滚齿加工进行了研究。根据面齿轮传动原理,得到了面齿轮插齿成形的型面。研究了从圆柱齿轮向球形滚刀基蜗杆演变的过程,分析了球形滚刀的成形方法,推导了球形滚刀基蜗杆的型面方程和螺旋升角。建立了球形滚刀加工面齿轮的坐标系,推导了球形滚刀加工面齿轮的型面,利用VERICUT对2个实例进行了加工仿真,并进行了相应的实际加工试验和检测,仿真和试验结果表明球形滚刀可用于面齿轮的加工。

Hobbing method of face gear based on spherical hob

Face gear transmission has outstanding advantages,and has broad application prospects in the field of aviation.In order to improve the machining efficiency of face gear,the spherical gear hob and hobbing of face gear based on spherical gear hob were studied.The forming process of gear shaping was derived according to the forming principle.The process of the evolution from the cylindrical gear to the basic worm of spherical gear hob was studied,the forming method of spherical hob was analyzed,and the surface equation and spiral angle of the basic worm of spherical gear hob were deduced.A coordinate system was built for face gear machining process based on spherical hob,and the formula of face gear obtained by hobbing was deduced.The machining simulation of two cases was carried out using VERICUT.The hobbing was performed and the detection results show that the spherical gear cutter can be used in the machining of face gear.