A simple and more efficient locking system has been developed for TandemMould, a patented stack-mold system that opens and closes two mold faces in alternating sequence. Unlike a conventional stack mold, each mold face is injected independently. The new Compact Locking System (CLS) from T/Mould GmbH, Bad Salzuflen, Germany, replaces the original bayonet-and-belt locking system located outside the mold with one that is integrated into the mold and provides more positive locking force, better repeatability, and less maintenance. Instead of being motor driven, CLS uses pneumatic operation for presses up to 250 tons and hydraulics for larger ones. T/Mould offers this locking system to enable moldmakers to build tandem molds, which reportedly cost only 10% more than two individual molds. Tandem molds can be used on conventional machines with a slight software adjustment. Mold-change time with the CLS system reportedly is the same as for a standard mold.
T/Mould GmbH & Co. KG
Im Wellenbuegel 3 Bad Salzuflen 32108, Germany