Material Drying
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ASA silver streak insufficient drying
Problembeschreibung
ASA silver streak residual moisture, insufficient drying is the main cause, 80°C drying.
Ursachenanalyse
ASA silver streak caused by residual moisture; dry ASA at 80°C before; hygroscopicity; surface defects; mechanical performance loss; production results scattered.; During on-site investigation, verify item by item according to this mechanism, avoid blindly adjusting the machine based on experience alone
Lösung
①Fully dry at 80°C; ②moisture content verification; ③sealed storage; ④silver streak investigation checks drying first; ⑤process stability.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
Drying investigation for ASA silver streak is primary; 80°C is the standard; verification and storage prevent recurrence.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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