| 摘要 |
PROBLEM TO BE SOLVED: To prevent axial downward dislocation caused by the deadweight of a moving plate, a motor, and a belt pulley. SOLUTION: An injection screw shaft 10 is attached on one side, a motor 12 and a belt pulley 14 rotating the injection screw shaft 10 are installed at the upper part, and a ball screw nut 22 and a ball screw shaft 20 screwed in the nut are installed at the other side respectively, Further, a linear guide 38 constituted of a housing 34 attached to the moving plate and rails 36 which are extended parallel to the axial direction of the tie bar 18 to guide the movement of the housing 34 is attached in the lower part of the moving plate 16 slid ably attached to the tie bar 18 prepared in parallel with the injection screw shaft 10.
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