| 摘要 |
PROBLEM TO BE SOLVED: To enable a molding condition to approach the optimum value by preventing the generation of an inferior product at the start time of molding by preserving only a molding condition necessary for a good product and making it possible to confirm the past altering history. SOLUTION: The local controllers 2a, 2b, 2c... are respectively provided to one or a plurality of molding machines and a group control host computer 3 for unitarily controlling the local controllers 2a, 2b, 2c... is provided. The group control host computer 3 preserves molding condition data after alteration sent from a molding machine in a temporary preserving molding condition file 3b and superscribes or newly write the molding condition data after alteration preserved in the temporary preserving molding condition file 3b in an actual molding condition file 3a when the writing designation to the actual molding condition file 3a is inputted thereafter.
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