| 摘要 |
An assembly apparatus (15) for assembling a ball screw device (1) includes a support block (43), a nut (4) arranged in a longitudinal direction, a nut reception base (40) that arranges the nut (4) so that its axial direction towards vertical direction of the assembly apparatus (15) and that supports the nut so as to elevate the nut with respect to the support block (43), a temporary shaft (16) inserted into an inner diameter side of the nut arranged on the nut reception base (40) and rotatably supported by the support block (43), an inclined face provided at a forward end portion of the temporary shaft (16), for guiding balls (7) into the nut raceway groove (5) and a pushing mechanism that has elasticity in the radial direction of the temporary shaft and that pushes balls which are fed into the nut raceway groove by a forward end portion protruding from the outer circumferential face of the temporary shaft. |
