Molds & Tooling
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ABS draft angle design
Problembeschreibung
[Problem phenomenon] ABS products difficult to demold and scratched, insufficient draft angle
Ursachenanalyse
Vertical wall draft angle 1.5-2° minimum, textured surfaces need larger; insufficient draft angle causes large clamping force leading to scratching and mold sticking; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Lösung
Draft angle ≥1.5-2°; increase for textured surfaces; polishing along the demolding direction; 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
Wichtigste Erkenntnis
ABS draft angle starts at 1.5-2°, textured surfaces increased; 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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