B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/76 (2006.01) B29C 45/16 (2006.01)
Patent
CA 2048024
A controller of an injection molding apparatus has a plurality of injection apparatuses from which different molding materials are injected into a cavity of a mold to fill the cavity so that molding is performed. The controller includes a first control unit for controlling operation of a specific injection apparatus on the basis of a previously set target value, for example, in the feedback control manner, a physical amount detection unit for detecting a physical amount (screw velocity, screw position, injection pressure, temperature or the like) concerning the operation of the specific injection apparatus, and a second control unit for obtaining a linkage target value for other injection apparatus from the detected physical amount detection value) to control operation of the other injection apparatus on the basis of the linkage target value, for example, in the feedback control manner. The second control unit includes an operation function unit for calculating the linkage target value of the other injection apparatus from the detection value. Thus, the other injection apparatus is controlled in interlocked relationship with the operation state of the specific injection apparatus and the operation timings between the specific and other injection apparatuses is synchronized.
Miyahara Masaaki
Suganuma Masashi
Johnson Douglas S. Q.c.
Nissei Jushi Kogyo Kabushiki Kaisha
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