Processing Machinery
4 görüntüleme
PPS Melt Temperature Management
Sorun Belirtisi
Product degradation and discoloration or poor filling.
Neden Analizi
PPS melt temperature window is 300~340°C; too low causes poor filling, too high causes degradation, discoloration and gas generation.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
①Control melt temperature at 300~340°C; ②calibrate thermocouples for actual measurement; ③shorten high-temperature residence time; ④immediately lower temperature and clean the machine when over-temperature.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PPS high-temperature processing requires precise temperature control; taking the middle value within the 300~340°C window is a safe practice.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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