On the basis of a special micro-feed mechanism, which is driven by a simple cam, a new polar coordinate interpolation algorithm, which is based on affine transformation, is presented.

• 在由凸轮驱动机械式微进给机构的基础上,利用仿射变换构建了一种新型的极坐标插补算法,可实现任意非圆轴的加工成形。