Molds & Tooling
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ABS mold temperature surface and cycle balance
Problem Phenomenon
[Problem phenomenon] ABS mold temperature too low causes rough surface and obvious weld lines, too high lengthens the cycle
Cause Analysis
Mold temperature 50-80°C: high mold temperature improves gloss and weld line strength but lengthens the cycle; low mold temperature shortens the cycle but increases internal stress and warpage risk; 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 mold temperature 75-80°C; structural parts take 50-60°C to ensure cycle; cavity temperature difference uniformity; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
ABS mold temperature 50-80°C, high-gloss takes the upper limit and structural parts take the lower limit; 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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