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；
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；
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