Molds & Tooling
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ASA Sink Mark Thick Wall
Fenómeno del problema
ASA thick-walled parts sink marks, increase holding pressure and rib design review.
Análisis de la causa
ASA thick-walled parts sink marks; increase holding pressure; rib design review; uniform wall thickness; feeding channel; gate position.; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solución
①Holding pressure increased; ②rib wall thickness 50-60%; ③gate near thick wall; ④holding pressure time; ⑤structural design.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
ASA sink marks emphasize both holding pressure and structure; rib design is prevention; gate position affects feeding.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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