Aimed at two shortages during rough working procedures-cast blanks with large-scale free form surfaces are distorted significantly and cutting stocks are distributed very dispersely, a new hogging algorithm is proposed.

• 摘要提出了一种新的毛坯荒加工算法，解决了在粗加工时大型复杂曲面毛坯变形严重、馀量分布不均匀等问题。