Erwin Quarder Group of Espelkamp, Germany, is linking its tandem injection molding technology with the MuCell process from Trexel GmbH of Wiehl, Germany, which is a unit of Woburn, Mass.-based Trexel Inc.
Quarder introduced the combination during an open house in March. Using both technologies can cut cycle time by 50 percent over traditional injection molding cycles, the company said.
The tandem technology uses an alternate sequence for cooling time during molding. A tandem mold works like a stack mold, except that the locking faces open in alternating sequence, instead of simultaneously. While the cooling time runs in one parting line, a second parting line already has been injected.
Quarder said the two parting lines allow for running products that are different or the same in form and weight — for example, left- and right-hand auto parts.
Erwin Quarder Werkzeugtechnik makes tandem molds. Erwin Quarder Automation Technology makes part-removal systems for tandem molds and other automation products.
Trexel's MuCell process uses microcellular foam gas in its supercritical state to create a foamed part.
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