Molds & Tooling
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PCABS Mold Sticking and Scratching
Fenómeno del problema
[Problem Phenomenon] PC/ABS products stick to the mold and are scratched, deforming during demolding
Análisis de la causa
Excessive holding pressure causes high internal stress, insufficient draft angle, and improper cavity polishing; the PC phase has strong rigidity and gripping force; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Reduce holding pressure; check draft angle and polishing; balanced ejection; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusión clave
For PC/ABS mold sticking, first reduce holding pressure, then draft angle and polishing; 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 in the future
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