二次包络环面蜗杆传动齿面修形的效果

Effect of Tooth Modification on Double Enveloping Worm Gearing

提出了对二次包络环面蜗杆传动修形的方法,以降低蜗轮副对制造误差的敏感性。用齿面接触分析法求解了存在制造误差时修形传动的齿面接触状态和运动精度。结果表明:修形蜗轮副可以避免或有效缓解制造误差造成的齿面边缘接触,明显降低蜗轮副的运动误差。

A method of modifying the double enveloping worm gearing with developable tooth surface has been proposed to reduce the sensibility of the worm gearing to the manufacturing errors. The tooth contact and kinematic precision of the modified worm gearing with manufacturing errors has been investigated by the TCA method. The results show that by the modification, the edge contact resulting from the manufacturing errors is avoided or effectively relieved,and the kinematic error of the worm gearing is obviously reduced.