K 2013: Wittmann creates 3D inspection for round IML containers

An “all-wheel” drive concept will allow the creation of four inmold labeled 300-ml cups in a 4.5-second cycle at K for Wittmann Battenfeld (hall 10, booth A04). In this process, both cog belt wheels of the horizontal axis are synchronized and driven by dynamic drive systems, allowing acceleration rates of up to 110 m/sec with extremely low power consumption.

The 4-cavity line is based on a Wittmann Battenfeld TM Xpress 210 injection molding machine; the mold and the W837 automation equipment also come from Wittmann. The robot’s operation time amounts to less than 0.7 sec. Labels are presented to the robot by a tilted four-fold dispenser, with the individual dispenser compartment’s filling level monitored by a level switch. Whenever a stack gets too low, operators are alerted via a light and can refill the labels without interrupting the automatic process.

The insertion and removal gripper is mounted on the horizontal axis. The rigid frame structure of the extension arm with a servo-driven insertion stroke ensures accurate label positioning in the cavity with simultaneous removal of the finished parts. The labels are taken over by dummy cores and precisely wrapped. The loading zones of the dummy cores are made of nonporous material to ensure that they remain free of wear and are easy to clean. Electrostatic charge is used to hold the labels in a fixed position inside the mold....

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