positive rake angle 正抠耙角 ; 正前角
positive rake tip 正斜刀尖
positive wing tip rake 正翼倾变 ; 正斜翼梢
positive side rake angle 正侧刃前角
positive top front rake 正顶前斜角 ; 正前角
Sharp cutting edges and positive rake angles are to be avoided.
锋利的切削刃和正前角是要避免。
The mathematical model presented in this paper can also be used in the regrinding of gear hobs with zero rake Angle and positive rake Angle for error calculation and revision.
文中的数学模型亦可用于零前角及正前角齿轮滚刀重磨后的齿形误差计算及修正。
The following conclusion is obtained. In the cases of straight gash, spiral gash, zero rake angle and positive rake angle, the hob worm profile from hob put into use to hob abandoned i…
结果表明：在直槽或螺旋槽、零前角或正前角等情况下，用本文设计的磨轮铲磨的滚刀，其基本蜗杆轴截形在从新到旧的整个使用过程中都是精确的。
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