Extrusion & Post
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PC annealing treatment specification
Problembeschreibung
【Problem Phenomenon】PC products have large internal stress, no annealing treatment done
Ursachenanalyse
PC annealing 120-130℃×1-2h eliminates internal stress; high-stress parts, insert parts, electroplated parts must be annealed; slow cooling after annealing；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
High-stress parts annealed at 120-130℃×1-2h; slow cooling; stress verified after annealing；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PC annealing 120-130℃ eliminates stress, high-stress parts must do it；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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