| 摘要 |
PURPOSE:To adjust the gap to a spindle by abutting the tapered parts of the 1st and the 2nd members each other, and operating a displacement adjusting means and displacing the 2nd member axially and relatively. CONSTITUTION:The 2nd member 31 is provided with the tapered part 38 corresponding to the tapered part 17 of the 1st member 11 and the displacement adjusting means 50 is operated to change the axial position of the 2nd member 31 to the 1st member 11, thus adjusting the size (x) of a space 20 finely. Consequently, the gap corresponding to the outward size of the inserting spindle is obtained and the smooth sliding and high-accuracy supporting of the spindle are attained. That results in that component members such as the 1st member 11 need not be worked with extremely high accuracy, so the assembly and adjustment are facilitated.
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