Kistler Instruments Limited, Ensures moulding precision

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Ensures moulding precision
January 1st 2007

Irish injection moulder, Inmo-Tech, is one of the first companies to install a Kistler CoMo Injection cavity pressure monitoring system to ensure the dimensional precision of injection moulded components for the healthcare and electrical sectors.

Inmo-Tech's first application of the system is in quality assurance of a medical device, moulded in high molecular weight polystyrene, made up of two injection moulded components that must fit together with an hermetic seal.

To ensure the precision of the two moulded components, the company fitted Kistler piezoelectric pressure sensors in each mould cavity and uses CoMo Injection to compare cavity pressure curves during the injection and holding phases with a preset specification.

If, at any time, the cavity pressure curve deviates outside user defined limits, the CoMo Injection system provides a signal to a component deflection device that automatically sends the out of spec component to the reject bin.

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