Extrusion & Post
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PETG extruded pipe surface corrugation
Fenómeno del problema
Periodic or continuous corrugated textures appear on the surface of PETG extruded pipes.
Análisis de la causa
Extrusion speed too high causing melt fracture, die temperature low, haul-off speed not matching extrusion speed.
Solución
Reduce the extrusion speed or increase the die temperature; match hauling with extrusion speed; polish the die to reduce friction.
Conclusión clave
PETG pipe surface corrugation is the result of poor coordination between extrusion and hauling.
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