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High-speed plastics injection

Posted by: Mu Ju 2019-05-11 Comments Off on High-speed plastics injection

An all-electric plastics injection moulder will operate at high speed producing technical parts for an IML application in the packaging industry, during a forthcoming US event

Arburg said that the enormous potential of its all-electric Allrounder A plastics injection moulding machine will be presented at the Plastec West US show, which will be held from January 29-31, 2008 in Los Angeles/Anaheim. In hall B, stand 3927, a fully-electric Allrounder 570 A with a clamping force of 2,000kN (220 US tonf) will be presented with a high-speed IML application from the packaging sector.

Performance features of the all-electric Allrounder A include precise, repeatable, clean operation and incredibly fast and energy-efficient too.

The drive concept of these machines is as suitable for the production of technical medical parts as for applications in the food, packaging and automotive industries, said Arburg.

* Allrounder 570 A exhibit – the Allrounder A with an IML application will see labelled tubs being produced in a two-cavity mould in a cycle time of only 2.8s.

This complex project integrates all the necessary automation elements around an Allrounder 570 A with a clamping force of 2,000kN (220 US tonf), which is currently the largest electric injection moulding machine in the Arburg machine range.

The entire IML automation process was adapted and optimised by Wittmann.

It provides the labels for the tubs, separates, transfers and places them in the mould, removes them and, finally, stacks the finished items on a conveyor belt according to cavity.

* Production sequence – first, two labels are picked up by the handling device, placed on the ejector side of the mould by a precision-adjustable transfer hand and precisely positioned.

The tubs are simultaneously removed from the nozzle side.

This process has a complete cycle time of 2.8s.

Time is saved during production through the simultaneous movements of the electric axes, the rapid peripheral routines, the short in-mould lamination cycle and the simultaneous part removal and label insertion.

With this system, Arburg will demonstrate that IML applications can produce fast, reliably and in high quality, as well as in high volumes.

The resulting cost efficiency ensures that the customer achieves the return on investment in a very short time, which is so important in this sector.

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