Feb 15, 2022
Fault analysis and improvement method for flow marks on the surface of injection moulding products
Definition A linear trace on the surface of shaped part that indicates direction in which melt flows. Fault analysis and troubleshooting 1. Poor flow of melt causes surface of plastic part to produce annual ring-shaped wave flow marks centered on the gate. Mold and nozzle temperatures can be increased separately, injection rate and filling speed can be increased, injection pressure, holding…
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