本文针对这一技术难题，完成了变倾角变导程螺旋槽的数学建模、加工方法、数据处理和动态仿真等一系列从理论到仿真试验的研究。
In order to resolve the puzzle, this thesis concentrates on the research of its mathematic modeling, machining method, data processing, dynamic simulating.
立柱的外圆上设有一导 向长槽，在导向长槽的槽底加工有二个分别设置的小凹槽。
The outer circle of the vertical pole is provided with a guiding elongated slot, and the slot base of the guiding elongated slot is processed with two small grooves which are respectively arranged.
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