Processing Machinery
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EAA internal black speck carbonization
Fenómeno del problema
Black specks of carbonized matter 0.1-0.5mm appearing inside EAA products
Análisis de la causa
EAA heated for a long time in dead zones of the barrel and carbonized; carbon deposits on the screw head; raw material impurities
Solución
1) Reduce processing temperature to reduce carbonization; 2) Regularly clean the screw and barrel; 3) Filter raw material to remove impurities
Conclusión clave
Black specks are caused by thermal carbonization and carbon deposits; lowering temperature and regular cleaning are key
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