论述了径向负前角硬质合金滚刀的设计及切削条件。
Design and cutting condition of carbide hob with radial negative front Angle were discussed.
可测量的位置参数有切削齿复合片的圆心坐标及负前角、侧偏角等。
Measurable parameters include the coordinates of the circle center of the cutter teeth compact and the compact's back rake Angle and side sway Angle.
为提高硬质合金插齿刀的抗崩刃能力，需要采用负前角的特殊设计；
There is a special way of design of carbon alloy slotting tool which has minus rake angle to increase the ability of resisting the tooth edge collapse.
它们的更低的热导性和相对更高的承受高速切削和负前角所产生热量的抗压强度。
Their lower thermal conductivity and relatively higher under high speed cutting and negative rake Angle of heat generated by the compressive strength.
这种误差影响了齿形精度，特别是负前角插齿刀，现行的设计方法不能满足齿形精度。
This error has influenced the precision of gear, especially, when negative rake Angle of gear-shaped cutter is used, the current design method has not reguired the profile precision.
本文还介绍了为提高复合片钻头经济指标的钻头参数设计问题，如负前角，侧旋角等。
This paper also discusses bit parameter design to improve the economy of PDC bits, such as negative rake Angle and side rotation Angle.
本文还介绍了为提高复合片钻头经济指标的诸钻头参数设计的理论根据，如负前角、旁通角、出露高度、复合片布置等等。
The present paper also introduces the theory for the design of bit parameters in order to improve the economic target, such as negative rake angle, bypass angle and the exposure height.
本文还介绍了为提高复合片钻头经济指标的诸钻头参数设计的理论根据，如负前角、旁通角、出露高度、复合片布置等等。
The present paper also introduces the theory for the design of bit parameters in order to improve the economic target, such as negative rake angle, bypass angle and the exposure height.
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