According to the principle of gear engagement and the designcriterion of the ball helical transmission, the ball globoid wormgear grinded by this way can get or is close to the optimumcontact with ball.

• 根据齿轮啮合原理和滚珠螺旋传动的设计准则可知,采用该方法磨削的环面滚珠蜗轮与滚珠之间可达到或接近滚珠螺旋传动的最佳接触。