| 摘要 |
A separable ball screw comprises a screw shaft having a helical groove; a transfer ring, a plurality of balls and a separable nut being sequentially engaged to the screw shaft; the balls being distributed in the holes in the annular surface of the transfer ring; the transfer ring being hollowed, the retaining ring enclosing around the screw shaft; the plurality of holes being formed in the annular surface; the balls being received in the holes; the balls being received in the holes of the transfer ring as power transfer medium between the transfer ring and the screw shaft; and a separable nut having a hollow center; the separable nut enclosing around the transfer ring; an inner annular surface of the separable nut having at least one grooves; the inner annular surface and the groove serving for limiting positions of the balls.
|
