In this paper,author gave a study for the computing dressing wheel profile when regrinding positive gear hob with large helix flute.

• 本文对大螺旋槽正前角滚刀重磨时砂轮廓形的修正算法进行了研究。砂轮廊形的精确求解，可使滚刀的刃磨质量得到极大提高。