Molds & Tooling
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Ejector whitening/ejector deformation of products
Fenómeno del problema
The product surface at ejector pin positions turns white and bulges or dents and deforms
Análisis de la causa
Mold draft angle is insufficient (recommended >1°); ejection area is too small or ejection speed is too fast; bonding force between the product and the mold surface is too large
Solución
Increase draft angle to 1-3°; increase the number of ejector pins and ejection area; reduce ejection speed and use release agent in combination
Conclusión clave
The ejection system design needs to fully consider the distribution and magnitude of demolding force
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