| 摘要 |
PCT No. PCT/JP97/02719 Sec. 371 Date Mar. 27, 1998 Sec. 102(e) Date Mar. 27, 1998 PCT Filed Aug. 5, 1997 PCT Pub. No. WO98/05877 PCT Pub. Date Feb. 12, 1998The present invention concerns a slider of a rectilinear guide unit for guiding a movable body such as a work table of a machine tool, an industrial robot or the like by moving along a track rail arranged on a stationary section such as a bed or a column while bearing a load. Such type of slider is manufactured by injection-molding a synthetic resin over a metallic block main body having ball load rolling surfaces. Further, the block main body is provided on the outer side surfaces thereof with synthetic resin side surface molded portions with ball return holes formed by padding and on the front and rear end surfaces thereof with end surface molded portions with change direction paths for balls formed by padding. Further, simultaneously with the padding of the side surface molded portions and the end surface molded portions, there is formed by padding an upper surface molded portion on the upper surface of the block main body so as to connect the end surface molded portions formed on both end surfaces of the block main body, respectively.
|
