Processing Machinery
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PET oven handle
Problembeschreibung
Oven PET handles deform and loosen at high temperatures
Ursachenanalyse
The oven door temperature can reach above 100℃; ordinary PET has insufficient heat distortion temperature; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Select glass-fiber-reinforced heat-resistant grades for oven parts; or switch to PBT/bakelite; heat insulation design for metal inserts; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Oven accessories must be selected with heat-resistant materials according to actual temperature rise; 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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