弧面凸轮两旋转坐标联动机床非等价加工误差分析
Journal of Machine Design(2022)
Abstract
针对利用专用两旋转坐标联动机床加工弧面凸轮产生的加工误差,采用空间啮合原理和旋转变换张量推导了凸轮的理论廓面方程和加工后的实际廓面方程,并利用二元函数非线性方程牛顿迭代法计算出实际廓面法线和理论廓面交点,计算出凸轮廓面误差.误差分析结果显示在停歇段没有误差,在分度段随着凸轮廓面曲率的增大,误差增大;在滚子和凸轮的整个接触线上,离分度盘中心越远,误差越大.
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