Injection Molding
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ABS glass fiber exposure
Problem Phenomenon
[Problem Phenomenon] Glass fiber ABS surface floating fiber, rough
Cause Analysis
Fibers enriched on surface; melt temperature and mold temperature low, injection speed slow, poor coverage; 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
Solution
Raise melt temperature and mold temperature; raise injection speed; mold polishing; 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
Key Takeaway
For ABS floating fiber raise temperature, speed, and pressure, polishing assists; 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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