Extrusion & Post
3 Aufrufe
Fiber diameter fluctuation along the length direction
Problembeschreibung
The fiber diameter fluctuates along the length direction, the thickness is uneven, exceeding the allowable deviation of the standard
Ursachenanalyse
（1）The spinning temperature fluctuates and the melt viscosity changes
（2）The metering pump supply is unstable
（3）The spinning speed fluctuates
（4）The cooling conditions are unstable (air temperature/air speed)
（5）The spinneret hole diameters are inconsistent
Lösung
（1）Stabilize the spinning temperature
（2）Ensure stable supply of the metering pump
（3）Stabilize the spinning speed
（4）Stabilize the cooling air temperature and air speed
（5）Check the uniformity of the spinneret hole diameters
Wichtigste Erkenntnis
Fiber diameter requires stable spinning parameters
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