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.
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；
2
The effect of broaching rate and feed per tooth, tool orthogonal rake on residual stress of workpiece surface are analyzed by Broaching GH761 Alloy.
这里分析了GH761 合金拉削时，速度、齿升量、拉刀前角对拉削表面残余应力的影响。
3
A hydraulic driving system for bidirectional plow rake cutting coulter tooth roll belongs to an assembly on the agricultural implement of plows and soil tillage.