Production & Quality
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Design problems (wall thickness, rounded corners, ribs) affect processing quality
Fenómeno del problema
Design problems (wall thickness, rounded corners, ribs) affect processing quality
Análisis de la causa
Uneven wall thickness, sink marks and warpage
Corners without rounded corners, stress concentration and cracking
Ribs too high and too thick, producing sink marks
Product wall too thin, short shots or insufficient rigidity
Stress concentration and cracking around metal inserts
Solución
Design wall thickness as uniform as possible
All corners rounded R≥0.5mm
Rib height ≤60% of wall thickness, thickness ≤50% of wall thickness
Increase the number of gates in thin-walled areas
Increase wall thickness and rounded corners around inserts
Conclusión clave
Product design needs to follow basic plastic design principles
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