Extrusion & Post
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Influence of draw ratio, temperature, and speed on fiber performance
Fenómeno do problema
Draw ratio, temperature, and speed affect fiber performance
Análise das causas
（1）Insufficient draw ratio causes low orientation degree and poor strength
（2）Improper drawing temperature causes breakage or insufficient orientation
（3）Unstable drawing speed causes fiber diameter fluctuation
（4）Improper distribution of multi-stage drawing ratios
（5）Improper heat setting temperature causes unsatisfactory crystallinity
Solução
（1）Appropriately increase the draw ratio to 3.5-4.5 times
（2）Reasonably set the drawing temperature
（3）Stabilize the drawing speed
（4）Optimize the distribution of multi-stage drawing ratios
（5）Set the heat setting temperature according to polyamide (general-purpose nylon)
Conclusão principal
Drawing needs to optimize parameters according to the characteristics of polyamide (general-purpose nylon)
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