Material Analysis
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Uneven thickness of PCTG extruded sheet
Problembeschreibung
Large transverse thickness fluctuation of extruded sheet.
Ursachenanalyse
Uneven die lip gap, uneven melt temperature causing viscosity differences, three rolls not parallel.
Lösung
Precisely adjust the die lip; optimize extrusion temperature control; calibrate three-roll gap.
Wichtigste Erkenntnis
PCTG sheet thickness uniformity is the foundation of post-processing.
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