Processing Machinery
4 görüntüleme
SMMA Processing Temperature Too High
Sorun Belirtisi
SMMA products yellow, degrade and have silver streaks, with barrel temperature exceeding 230℃ or residence timeout at 260℃.
Neden Analizi
SMMA barrel temperature upper limit 230℃; residence at 260℃ not exceeding 5-6 minutes; over-temperature or over-time thermal degradation; yellowing and performance decline; transparency loss.
Çözüm
①Barrel temperature ≤230℃; ②residence at 260℃ ≤5-6 minutes; ③optimize cycle to shorten residence; ④purge the machine after degradation.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
SMMA's 230℃ upper limit and 5-6 minute residence are the degradation defense line; cycle management is prevention; purging keeps purity.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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