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分析并比较了用抛物线修形、变参数修形及三次磨光样条曲线拟合美国样机实测数据修形前后蜗杆传动接触区和啮合性能的变化，从而证明抛物线修形比其它修形方法效果更好，为指导生产提供可靠的理论依据
The changes of contact area and meshing performance of worm drive before and after the modification with the parabolic curve, variable parameter curve and cubic polished spline curve are analyzed and compared, and the effect of parabolic curve modification compared with other methods is proved Better, to provide a reliable theoretical basis for guiding production