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简要介绍了曲线光顺时的国率法、回弹法及磨光法。比较了不同光版方法对发动机配气凸轮升程曲线拟合的影响。给出了对凸轮升程用圆率法和隔点差分比较法进行预先顺，用回弹法和磨光法进行精光顺后构造凸轮型线的计算实例。
A brief introduction to the curve when the country rate method, rebound method and polishing method. The influence of different light plate methods on the curve fitting of the engine cam profile was compared. A calculation example is given to calculate the cam profile of the cam lift by using the roundness rate method and the dot difference comparison method to perform the forward smoothing and then use the rebound method and the polishing method to finish the cam profile.