1.带预紧力的滚珠丝杠传动装置(苏联发明证书号1120136)可用于数控机床进给传动装置和机器人中。预紧力的调整过程如下:拧出螺钉1(图1),并借助支顶螺钉6,取下盖5。在螺母4端面上的孔内,插入专用测力扳手。借此将螺母在丝杠3上转动所需角度,并按测力扳手的指示器示值固定。调整结束后,将盖装在两导向销上。用螺钉1将螺母4和盖5法兰上的内锥面拉紧。螺钉可将螺母压向锥体2,并锁住, 1. Ball screw drive with preload (USSR certificate number 1120136) can be used in CNC machine feed gear and robot. The adjustment of the preload is as follows: Unscrew the screw 1 (Fig. 1) and remove the cover 5 with the support screw 6. In the hole on the end face of the nut 4, insert a special force wrench. In this way, the nut is turned on the screw 3 by the required angle and fixed according to the indicator value of the wrench. After adjustment, cover the two guide pins. Tighten the inner conical surface of the nut 4 and the flange of the cover 5 with the screw 1. Screw nut can be pressed against the cone 2, and locked,