Molds & Tooling
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PSU Surface Scratches and Chipping
Fenómeno del problema
Scratches and chipping appear on the surface of PSU products, fatal to the appearance of transparent parts; damage rate is high in transfer and processing links.
Análisis de la causa
Mold cavity surface finish too poor; bumps and damage during machining; impact damage during inter-process transportation; corners of rigid PSU material are fragile.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Solución
①Improve mold surface finish by plating, grinding and polishing; ②Protect product surfaces during machining; ③Use reasonable transport tools and stacking containers; ④Round corner design for edges.
Conclusión clave
PSU surface protection starts with mold finish; processing and transfer links are high-incidence areas for damage; the appearance standards of transparent parts need whole-chain guarantee.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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