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New tool helps improve yields and reduce defects in the injection moulding process

18 November 2010

Mold-Align is a new tool from Sensor Products Inc. that helps improve yields and reduce defects in the injection moulding process. When placed between mould halves, it instantaneously changes colour to reveal how pressure is being distributed between the A & B halves of the mould. Traditional methods such as bluing agents do not work with the same precision or resolution as Mold-Align. Mold-Align provides data quickly with no messy cleanup and significant time savings.

Bluing agents, when applied to one half of the mould, will transfer to the other if there is any contact at the parting line, but will not distinguish between high and low pressures. Quality suffers and production time may be lost due to improper troubleshooting of flash, shorts, burns, etc.

With Mold Align the process is quick and simple. It is placed between platens on the parting line which are then subjected to pressure upon clamp closing using minimal clamp tonnage.  It is then removed and the image inspected for pressure distribution and void spots.

Adjustments if needed are then be made to the platens to achieve alignment, open vents or repair mould damage. Properly mating parting lines and aligned platens reduce machine wear and improve quality.  Mold-Align may be archived and used as a control for comparative purposes.

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