Material Drying
4 조회수
ABS silver streak non-moisture causes
문제 현상
ABS silver streak non-moisture causes, melt temperature too low, bubble closure, shear rate too high.
원인 분석
ABS silver streak academic research found that moisture content too low is insufficient to form significant silver streaks; melt temperature too low and too viscous traps bubbles; high shear rate significantly increases the melt core temperature; additional preheating produces more gas.
해결 방법
①Increase gate size to reduce shear rate; ②increase melt temperature; ③extend melt homogenization time; ④increase mold temperature; ⑤distinguish from moisture silver streaks.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
The non-moisture causes of ABS silver streaks are in-depth diagnosis; gate, temperature and homogenization are adjustment directions; distinction ensures precise treatment.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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