Based on basic theory of maximum error minimum method, double arc parameters for normal tooth outline in rectangle spline hob are optimized to obtain tooth outline in workpiece with minimum error.

• 根据最大误差最小法的基本原埋,对矩形花键滚刀法向齿形的双圆弧参数进行了优化,使滚刀加工出的工件齿形误差最小。