Material Drying
4 görüntüleme
PC Product Abnormal Odor
Sorun Belirtisi
PC products carry a peculiar smell, customer complaints.
Neden Analizi
Overheating degradation produces small-molecule volatiles; or odor from the dryer/environment is adsorbed by the material; mixed regrind also brings odor; degradation is the main cause; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
Çözüm
①Reduce the melt temperature and shorten the residence time; ②Check the source of raw material and regrind; ③Keep the drying system clean; ④Bake the material to remove odor and evaluate when necessary; ⑤Strengthen workshop exhaust.
Temel Çıkarım
PC odor = 'degradation or contamination': first lower the temperature, then check the material source; odor is a signal of thermal history and cleanliness, and must be controlled from both the process and raw material ends; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence.
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