慢速运转 meaning in English

microinching
microrunning

Grinding feature is to use work piece for a slow - speed operation , and wheel spindle selects a high - speed revolution and offers a minor amount of in - feed to cooperate with mechanical spinde for forward and backward movement for finishing grinding jobs
研磨特性是利用工作物做慢速运转，而砂轮心轴采高速回转并给予微量进刀配合机械心轴前后运动完成研磨作业。