Abstract
AbstractA new approach for controlling part cooling in plastic injection molding is developed using a PI controller and coolant flow rate as the manipulated variable. The method uses an average part surface temperature within the mold as the setpoint parameter. A mechatronic control system was developed for providing variable coolant flow rates. The control strategy was simulated using plant models, implemented and tested on a 50‐tonne plastic injection‐molding machine with good closed loop responses. © 2006 Wiley Periodicals, Inc. Adv Polym Techn 25: 1–12, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.20053
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