| 摘要 |
PROBLEM TO BE SOLVED: To preserve the set value altering history data of the molding conditions of an injection molding machine and to automatically return the molding conditions to a previous molding condition setting state. SOLUTION: A plurality of molding conditions are stored in at least one of an internal preserving memory area in a controller and an external memory device 2, and a set value altering history data B until the individual molding conditions are determined is preliminarily preserved in a device in which a molding condition data A is stored at every individual molding conditions and, when the preserved molding condition data A is read, the set value altering history data B is also displayed.
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