Processing Machinery
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SMMA Screw Speed
Fenómeno del problema
Improper SMMA screw speed, shear heat or insufficient plasticization, medium speed recommended.
Análisis de la causa
SMMA screw speed recommended medium; too fast causes shear heat; too slow causes insufficient plasticization; coordinate with back pressure; melt quality.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solución
①Control screw speed at medium; ②coordinate with back pressure; ③melt quality monitoring; ④verify plasticization uniformity.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
SMMA screw medium speed is a balanced choice; coordinated management prevents extremes; verification keeps melt quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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