Molds & Tooling
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POM Mold Sticking
Fenómeno do problema
POM parts stick to the front mold during demolding and get scratched
Análise das causas
Poor front mold polishing or undercuts; POM has strong adsorption to mold surfaces; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solução
Polish the front mold properly; check draft angle; if necessary, add ejection or air-assisted demolding on the front mold; after adjustment, take continuous samples 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
Conclusão principal
For mold sticking, check the front mold surface and draft first; after confirming effectiveness, solidify 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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