Molds & Tooling
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ABS gate mark whitening
Problembeschreibung
[Problem Phenomenon] ABS gate cut whitening
Ursachenanalyse
Shear stress concentration in gate area; cut section whitens; 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
Lösung
Open gate on non-appearance surface; sharp trimming; submarine gate; 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
Wichtigste Erkenntnis
ABS gate mark relies on position plus sharp trimming; 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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