Processing Machinery
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Glass Fibre material changeover residue
Fenómeno del problema
After Glass Fibre material changeover, first 5-10 products contain previous raw material residue, color difference and performance deviation
Análisis de la causa
Barrel and screw have large amount of previous raw material residue; cleaning not thorough, dead corner zones have residue; purging material amount insufficient
Solución
1) Increase purging material amount to 2-3 times barrel capacity; 2) raise speed and temperature during cleaning to accelerate removal; 3) disassemble screw to thoroughly clean dead corners
Conclusión clave
Material changeover residue is caused by insufficient cleaning; full cleaning and disassembly are key
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