New option for the users of family molds
Labeling in a Family Mold
At the FIP 2009 exhibition in Lyon, France, Billion S.A.S., Bellignat, France, presented a new option for the users of family molds. To produce a food container (250 ml) and a matching lid in transparent PP in a mold manufactured by Seco Industries, Montebello, CA/USA, the two cavities are filled with separate melt streams. The lid and container are produced simultaneously on an all-electric two-component machine from the Select series (type: H150-260/150T), with each having its own injection unit. In this way, the family mold can be better balanced for the different shot weights than for conventional one-component machines. The precision filling and holding pressure phase gives rise to a shorter cooling time.
The application on display at the exhibition, with an overall cycle time of 4 s, also includes the in-mold labeling (IML) of the container. The labels are fed to the mold by a handling unit supplied by Guignard Automatisation, Viry, France. After the two-component injection cycle, a six-axis robot from Stäubli removes the two parts and stacks them in a confined space. According to the manufacturer, the processor benefits from lower unit costs overall with the combination of an all-electric, two-component injection molding machine – which is noted for its rapid, accurate movements and energy-efficient operation – and a family mold, plus the IML process.
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