| 摘要 |
PURPOSE:To facilitate assembly by avoiding the high precision of the length of a rotary shaft, etc. by inserting a spacer between the flange of a bearing sleeve and a thrust plate and pouring and hardening the charged agent between a rotary shaft and the thrust plate, and then taking out the spacer and carrying out assembly. CONSTITUTION:The length L1 of the cylinder part 15 of a rotary shaft 20 is worked shorter than the length L2 of each bearing sleeve 13, 14, and a thrust plate 16 is fixed by bolts 23 and inserted into the bearing sleeves 13 and 14. A spacer 25 having the thickness L3 two times as large as the gap in the axial direction is inserted between a flange part 12 and a thrust plate 17, and the thrust plate 17 is fixed by the bolts 23 by pouring the hardening type high polymeric material 24. After the hardening of the charged agent 24, the spacer 25 is taken out by loosening the bolts 23, and the thrust plate is fixed again. The length (L1+L3-L4) of L1 is set so that the width dimension L4 of the charged agent 24 becomes less than 1mm in order to prevent the reduction of rigidity, and the gap precision in the axial direction is secured even if the working precision of the edge surface 22 is reduced.
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