A starting point for the most common injection molding defects — always confirm with a DOE, but this narrows the field: Sink marks — insufficient packing time/pressure, thick sections, high melt temperature.Flash — clamp force too low, injection speed/pressure too high, worn parting line.Short shots...

Before posting, gather the details that help others help you: Machine / system type — press, power unit, mobile circuit, etc.Symptom — what exactly happens, when, and since when.Fluid — ISO grade, condition, recent changes.Pressures & temperatures — gauge readings at rest and under load.What you...

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