The results show that half-apex angle has a great effect on sheet thickness distribution, the smaller the half-apex angle is, the bigger the sheet thickness thins;
结果表明，半顶角对制件厚度变化起主导作用，其值越小，厚度减薄越严重；
Rotating the disc of the compound rest with an angle equal to half the apex angle of the cone.
将复式刀架盘旋转一个等于圆锥体顶角一半的角度。通过摇动复式刀架操纵柄手动提供进给。
Rotating the disc of the compound rest with an angle equal to half the apex angle of the cone.
将复式刀架盘旋转一个等于圆锥体顶角一半的角度。通过摇动复式刀架操纵柄手动提供进给。
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