Molds & Tooling
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LCP Gate Marks and Appearance Surface Management
Fenómeno do problema
【Problem Phenomenon】Gate marks on the appearance surface of LCP products are obvious, and whitening occurs after cutting
Análise das causas
LCP gate area orientation is severe and brittleness is large, and the sheared section shows stress whitening; improper gate design of appearance parts leaves marks exposed; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solução
Use submarine or pin-point gates with automatic cutting on appearance surfaces; place the gate on non-appearance surfaces or use lap feeding; sharp trimming tools reduce stress whitening; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
LCP gate marks' appearance is controlled by submarine gates and sharp trimming; 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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