Extrusion & Post
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CEF screw slipping
Fenómeno del problema
During CEF extrusion, the screw slips, the feeding does not advance, and the output drops sharply
Análisis de la causa
The CEF particles melt too early in the feeding section, forming a lubricating film and causing the screw to slip; the feeding section temperature is too high
Solución
1) Reduce the feeding section temperature by 10-15°C to delay melting; 2) Deepen the feeding section thread to increase the gripping force; 3) Dry the particle surface to reduce lubrication
Conclusión clave
Screw slipping is caused by premature melting; reducing the feeding section temperature is the key
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