Production & Quality
5 görüntüleme
PTFE Improper Cooling Rate
Sorun Belirtisi
Too fast cooling after PTFE sintering causes deformation and cracking, too slow cooling gives low efficiency and abnormal crystallinity.
Neden Analizi
Cooling rate ≤30℃/h is a specification requirement; too fast cooling generates thermal stress causing deformation; cooling rate relates to sheet crystallinity and thus affects physical properties; the choice of furnace cooling versus air cooling affects the rate.
Çözüm
①Control cooling rate ≤30℃/h; ②Furnace cooling or controlled air cooling; ③Cooling curve recording and monitoring; ④Trace cooling parameters for deformed parts.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
PTFE cooling rate 30℃/h is the quantified standard for preventing stress; crystallinity management runs through the entire cooling process; curve records support traceability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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