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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。
In this paper, the manufacturing model of the triangular spline carbide spiral broach is fully taken into account the current domestic equipment, and the general broach manufacturing process has been improved, and finally examples of two cases of straight ditch and spiral ditch verify the feasibility of the program Sexual and model reliability.