Processing Machinery
4 조회수
ABS unmelted particles
문제 현상
[Problem Phenomenon] ABS product surface or internal unmelted particles
원인 분석
Melt temperature too low and plasticization insufficient, back pressure too low, screw wear, material contamination; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
해결 방법
Raise melt temperature and back pressure; check screw wear; inspect material; after adjustment, continuously sample to verify the effect, resume mass production only after confirming stability; change only one variable each time and record parameter changes to facilitate locating effective measures
핵심 요약
For ABS unmelted particles check plasticization, temperature, and screw; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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