【摘要】 本文所给三角花键硬质合金螺旋拉刀制造模型充分考虑到目前国内现行设备，并对一般拉刀制造工艺作了改进，最后就直沟和螺旋沟两种情况的实例验证了方案的可行性和模型的可靠性。更多还原

【Abstract】 In this paper,by sufficiently considering national existing machinery,weshowed the manufacture model of trangle spline hard alloy spiral broaches,and modified themanufacture technology of ordinary broaches.Finally,by means of the example computationof both straight ditch and spiral ditch,we examined the feasibility of the plan and reliability of its models更多还原