Barkley Plastics reports success with four-channel injection moulding system 06 September 2012

Birmingham-based injection moulding specialist Barkley Plastics says that its move toward zero defects has been helped by installing the latest four-channel CoMo injection system, from Kistler Instruments.

According to Barkley's business development manager Matthew Powell, for the last decade the firm had been using a simple two-channel peak cavity pressure monitoring system that was difficult to set-up and had become problematic.

Now, he says, by monitoring all aspects of the cavity pressure curve during the moulding process, the CoMo system ensures that all out of spec parts are rejected quickly and reliably.

"Because the CoMo system automatically provides perfect rejection of faulty parts, it is possible to run the moulding machines in the dark, with little or no supervision," states Powell.

In addition to monitoring the process, the CoMo system can be used to balance the hot runners, which Powell describes as a "massive bonus" to maintaining consistently high quality parts.

This feature alone makes life much easier for setters and technicians, he says. Also, the availability of accurate data about the performance of the moulding machines allows communication between departments to be based on hard facts, rather than intuition.

"Although the new system is much more sophisticated than our old system, it is actually easier to use," comments Powell.

Brian Tinham

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