英语翻译1、滚珠外循环的摩擦力矩波动分析对于外循环的滚珠丝杠副,在返向器滚道的丝杠滚珠入口,由于丝杠的预紧效果,滚珠必须

Ball bearing outer loop friction torque fluctuation analysis for external loop ball screw pair,for return to the groove of the screw ball entrance,due to prestressing effect of lead screw,ball must overcome screw torque friction resistance are to make the ball into the raceway,the need to force on the entrance to the ball,and the force is provided by the exit ball,is in the ball bearing lead screw the exit will produce tremendous friction force,so as to make the screw friction torque fluctuation.