Extrusion & Post
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PC extrusion sheet temperature
Problembeschreibung
【Problem Phenomenon】PC extruded sheet has bubbles or poor surface, improper temperature
Ursachenanalyse
PC extrusion melt temperature 250-290℃, slightly lower than '2079851475616104452; raw material must be fully dried; die temperature affects the surface；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
Dry at 120℃×3-4h before extrusion; melt temperature 250-290℃; die temperature matched；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PC extrusion dries first, melt temperature 250-290℃；After confirming effectiveness, solidify 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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