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根据高速牵引齿轮对齿轮滚刀的特殊要求，提出了设计磨前滚刀齿形的新方法，并用此法设计了高速机车牵引齿轮的磨前滚刀。
According to the special requirements of high speed traction gears on gear hobs, a new method to design the gear shape of front hob is put forward, and the front hob of high speed locomotive traction gears is designed by this method.