Extrusion & Post
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Frequent filament breakage of PP flat filaments
Fenómeno del problema
The filament breakage rate of the drawing production line is high, affecting output and filament roll quality.
Análisis de la causa
Impurities or gels in the raw material, excessive draw ratio, and temperature fluctuations all cause filament breakage; local die head clogging causing uneven filament output is also a cause.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solución
①Strengthen raw material filtration to remove impurities; ②appropriately reduce the draw ratio; ③stabilize the drawing temperature; ④clean the die head to ensure uniform filament output.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Conclusión clave
Filament breakage is the main efficiency loss of the drawing line; systematically investigate from the four aspects of cleanliness, draw, temperature, and die head.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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