| 摘要 |
PROBLEM TO BE SOLVED: To accurately guide an injection unit which is operated by a motor, even when its weight is heavy. SOLUTION: A side injection unit which is mounted on a Y-axis movable table and has a nozzle facing the side of a mold, a ball bush 96 which is mounted on the table, has a plurality of orbit channels 96a, etc., arranged in its circumferential direction in the inside surface, and houses a plurality of rolling bodies 97, etc., in the channels 96a, etc., a guide mechanism which comprises a guide shaft 95 inserted into the ball bush 96 to guide the table and guides the injection unit to move the unit in the widthwise direction of a molding machine frame along the guide shaft 95, and a Y-axis driving mechanism for moving the injection unit along the guide shaft 95 are provided. COPYRIGHT: (C)2003,JPO
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