| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that although an advance action in an injection process and back-pressure control in a plastication/metering process have been implemented by an electric cylinder mechanism including a load cell, accurate control by the load cell is difficult during back-pressure control. SOLUTION: In an injection apparatus, the electric cylinder mechanism 15 for injection and back-pressure controlling cylinders 26 and 26 are installed individually, and a spline shaft end holding part 28 and a press plate 35 can be separated during plastication/metering. In this way, the back-pressure control can be implemented by the back-pressure controlling cylinder without being affected by the load cell in the plastication/metering process. COPYRIGHT: (C)2004,JPO
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