Injection Molding
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PP Injection Pressure 70-140
Problembeschreibung
PP injection pressure 70-140MPa; thin-wall complex structure requirements; holding pressure management.
Ursachenanalyse
PP injection pressure 70-140MPa; increase for thin walls and complex geometry; holding pressure 50-70% of injection pressure; compensate shrinkage; dimensional accuracy; stress management.
Lösung
①Injection pressure 70-140MPa; ②Increase for thin-wall complex parts; ③Holding pressure 50-70%; ④Dimensional accuracy; ⑤Stress balance.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
The medium-high range of PP injection pressure is the filling guarantee; the holding pressure ratio is standard; balance prevents stress.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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