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November 21, 2017
1 Min Read
Sumitomo Demag’s latest productivity-enhancing solution in injection molding is an automatic inline color changing system from Japanese vendor PigMic coupled with one its SE50EV-A injection machines equipped with a screw especially designed for quick color changes. The PigMic system directly feeds dry color pigment to the injection screw at a loading of 0.2–0.3%. The machine on show at IPF was also equipped with a camera from Japanese company CAM Co. used to monitor the color change process and detect rejects optically. Color changes can typically be accomplished within eight minutes using the system.
Quick color changes are the forte of the PigMic system here coupled with a Sumitomo Demag 50-tonne all-electric machine.
Sumitomo Demag also introduced a high-speed, all-electric injection molding machine for thin-wall container molding. The 350-tonne clamping force SE350HSZ-Pack was molding PP cups weighing 26 g each in an eight-cavity mold in a cycle time of 4.5 seconds. The fast cycle time, 0.4 seconds quicker than previously possible, was achieved through what Sumitomo Demag calls CYC-Link, which allows more overlapping of the individual steps of the injection molding cycle. The machine also featured improved performance through high-response injection and high plasticizing capacity. In all, the SE350HSZ-Pack can reportedly produce 400,000 more cups per month than a machine that does not employ CYC-Link.
About the Author(s)
Stephen has been with PlasticsToday and its preceding publications Modern Plastics and Injection Molding since 1992, throughout this time based in the Asia Pacific region, including stints in Japan, Australia, and his current location Singapore. His current beat focuses on automotive. Stephen is an avid folding bicycle rider, often taking his bike on overseas business trips, and is a proud dachshund owner.
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