Recirculating ball screw for use with lubricating unit for lubrication of ball or ball-bearing part around rotating movement of ball nut and screw shaft, has screw shaft with external thread, and ball nut

摘要

The recirculating ball screw has a screw shaft (10) with an external thread (11), and a ball nut with a borehole for adjusting the ball nut, and to form a cavity between the ball nut and the screw shaft. Driving devices are provided with lubricating oil that is derived for lubricating a ball-bearing part into the cavity between the screw shaft and the ball nut.