| 摘要 |
<p>The ball screw assembly comprises a screw 2 provided with an outer thread, a nut 4 provided with an inner thread and with first and second holes 10, 11 extending from said thread to an outer surface of said nut, a plurality of balls 6 engaged in both of said outer and inner threads, and means 7 for recirculating the balls between the first and second holes 10, 11 of the nut comprising a return channel 28 and deflecting elements 12, 13 mounted into said holes, each deflecting element delimiting a deflecting channel 19, 20 connected to the return channel. The recirculating means further comprise at least one cap 21, 22 integrally formed with at least one of the deflecting elements and delimiting together with the outer surface 4a of the nut the return channel 28.</p> |
