Injection Molding
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CEF '2079851475616104452 demolding difficulty
Fenómeno del problema
CEF injection molded products have large demolding force, product deformation or strain damage, demolding time accounts for 30% of the cycle
Análisis de la causa
CEF has large adhesion to the mold cavity; insufficient draft angle <0.5°; insufficient cooling time, product demolded before fully solidified; unreasonable ejection mechanism design
Solución
1) Increase the mold draft angle to 1-2°; 2) Extend cooling time so the product is fully solidified before demolding; 3) Polish the mold surface to Ra<0.2μm; 4) Increase the ejection area, use a large-area ejector plate; 5) Spray release agent (temporary solution)
Conclusión clave
Demolding difficulty is caused by adhesion and insufficient mold design, increasing the draft angle is the fundamental measure
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