Blow Molding
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PVC vs ABS Comparison
Problembeschreibung
Insufficient toughness after replacing ABS electrical housings with PVC
Ursachenanalyse
PVC toughness is lower than ABS and its processing window is narrow, making thin-wall housings difficult to mold; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Lösung
Choose ABS/PC for electrical housings; use PVC where corrosion resistance and flame retardancy are prioritized; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Wichtigste Erkenntnis
PVC and ABS are divided by toughness and corrosion resistance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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