Processing Machinery
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PVDF Product Short Shot
Problembeschreibung
Incomplete filling.
Ursachenanalyse
PVDF melt viscosity is relatively high; low temperature or insufficient pressure aggravates short shot.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
①Appropriately increase the melt temperature; ②increase injection pressure and speed; ③enlarge the runner and gate; ④improve venting.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Troubleshoot short shot from temperature, pressure, and runner.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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