Cheque ring

Cheque ring

A cheque ring is the sliding ring of the non-return valve on the front of the screw. The cheque ring allows melted plastic to flow forward to the front of the screw during plastication, and prevents flow back into the screw during injection. The cheque ring is a high wear item that can leak during injection, effectively reducing the pressure that is applied to the melted plastic.

See Non-Return Valve.

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Part of Speech: noun
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Industry/Domain: Software
Category: CAM
Company: Moldflow
Product: Moldflow Plastics Advisers
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