应用大碟形刀具加工面齿轮的理论分析  

Theory analysis for application of disk tool of long radius in face gear machining

作　　者：彭先龙[1] 方宗德[1] 苏进展[1] 蒋进科[1] 

机构地区：[1]西北工业大学机电学院,西安710072

出　　处：《哈尔滨工业大学学报》2013年第5期80-85,共6页Journal of Harbin Institute of Technology

基　　金：国家自然科学基金资助项目(50875211)

摘　　要：为了提高大碟形(渐开线齿廓)刀具(滚刀或砂轮)加工面齿轮的效率,提出了一种无进给运动的大碟形刀具加工面齿轮的方法.设计了碟形刀具,分析了用无进给运动的大碟形刀具制造面齿轮的加工原理,通过坐标变换建立了面齿轮的齿面方程和过渡曲面方程.增加一个转角很小的附加运动以降低齿面误差,避免齿面干涉.应用齿面接触分析说明了面齿轮的啮合性能.计算实例表明:大半径碟形刀具和附加运动能加工出齿面精度较高的面齿轮,最大齿面误差为19μm.齿面接触分析表明这种面齿轮的啮合性能不亚于理论面齿轮的啮合性能.A method of face gear machined by long radius disk(profile of involute) tool(hob or grinding wheel) without feed motion was proposed aiming at improvement of processing efficiency of face gear machined by such tools.By coordinate transformation the derivation of equations of working flank and fillet surfaces of tooth was based on the design of disk tool and theory analysis of applying the disk tool without feed motion in the face gear machining.To reduce the errors of working flank and even avoid flank interference caused by such method of face gear manufacturing,another motion which rotated in a small angle rang was added into the process of face gear machining.Tooth contact analysis(TCA) was applied to demonstrate the meshing performance of the face gear cut by such method.Numerical examples illustrate that disk tool of long radius with additional motion is able to manufacture face gear with high-precision working flank(the max error of working flank is 19 μm),and the meshing performance of such face gear drive demonstrated by TCA is not second to that face gear drive wit theoretic working flank.

关 键 词：面齿轮 碟形刀具 滚齿 磨齿 齿面接触分析 

分 类 号：TH132.41[机械工程—机械制造及自动化]