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NPE2018: StackTeck presents its first servo In-Mold Closing (IMC) system

The new servo mechanism from StackTeck Systems Ltd. (Brampton, ON, Canada) actuates in 0.35 seconds, representing a 75% reduction in closing time compared with a conventional IMC mold.

Clare Goldsberry

May 9, 2018

1 Min Read
NPE2018: StackTeck presents its first servo In-Mold Closing (IMC) system

StackTeck Systems Ltd. (Brampton, ON, Canada), a global manufacturer of multi-cavity, high-volume production molds for thin-wall packaging and closures, is displaying a first at NPE2018: The company’s newly developed servo In-Mold Closing (IMC) technology. The IMC system is running in the Wittmann Battenfeld booth (W3742) on an EcoPower 180/750 machine with fully integrated Wittmann 4.0 auxiliaries, including a W833 Pro Robot.

The new IMC technology is used to demonstrate a 1 x 4 flip-top closure mold featuring a servo-actuated IMC mechanism. Compared to a conventional IMC mold with a cycle time delay of 1.5 seconds for closing, this new servo mechanism from StackTeck actuates in 0.35 seconds, representing a 75% reduction in closing time, said the company.

StackTeck has also used a KoolTrack mold stack design for optimal cooling, resulting in reduced hold/cool time and an overall cycle time that is three to four seconds faster than a conventional flip-top closure mold.

The servo-drive technology is suitable for unscrewing and flip-top caps through a simple interface to the molding machine. The NPE2018 show mold includes its own stand-alone servo control cabinet and pendant, which uses a standard Euromap robotic interface to the injection machine.

The arrangement of the IMC mechanism remains the same as StackTeck’s proven existing design, which has a successful track record of production molds with over 1,000 cavities with a single servo drive mounted at the top of the mold. The complete mold and control system are well suited to mold changes between different standard machines.

About the Author(s)

Clare Goldsberry

Until she retired in September 2021, Clare Goldsberry reported on the plastics industry for more than 30 years. In addition to the 10,000+ articles she has written, by her own estimation, she is the author of several books, including The Business of Injection Molding: How to succeed as a custom molder and Purchasing Injection Molds: A buyers guide. Goldsberry is a member of the Plastics Pioneers Association. She reflected on her long career in "Time to Say Good-Bye."

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