Material Drying
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ABS high-gloss part process
Problem Phenomenon
[Problem phenomenon] ABS high-gloss appearance parts have insufficient gloss or flow marks, poor paint-free effect
Cause Analysis
High-gloss parts require mold temperature 75-80°C upper limit, melt temperature upper limit, and sufficient drying; any moisture or insufficient temperature manifests as gloss and flow mark defects; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
High-gloss parts take the upper limit of mold temperature and melt temperature; stricter drying verification; cavity mirror polishing; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
ABS high-gloss parts three upper limits: mold temperature, melt temperature, drying; 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 subsequent similar problems
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