Material Drying
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ASA Extruded Sheet Surface
Fenómeno do problema
ASA extruded sheet surface defects, temperature, cooling and tension management.
Análise das causas
ASA extruded sheet surface defects; barrel temperature precise control; feed zone overheating bridging and gel; metering zone overheating low viscosity and unstable flow; cooling roll cleanliness and temperature stability; haul-off and winding tension; material handling and drying.
Solução
①Precise temperature control; ②cooling roll management; ③haul-off tension; ④'2079851475616104451; ⑤clean handling.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusão principal
The temperature, cooling and tension of ASA extrusion surface is systematic management; cleanliness and drying are the foundation; optimization ensures quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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