Processing Machinery
5 görüntüleme
Longitudinal stripes or scratches appear on the outer surface of extruded pipe
Sorun Belirtisi
Longitudinal stripes or scratches appear on the outer surface of extruded pipe, affecting appearance quality
Neden Analizi
Damage or carbon deposits on the die inner surface
Unstable melt temperature, viscosity fluctuation
Uneven screw plasticization
Broken screen pack, impurities pass through
Raw material contains impurity particles
Çözüm
Clean and polish the die inner surface
Stabilize extrusion temperature
Ensure uniform screw plasticization
Replace the screen pack
Strengthen raw material inspection
Temel Çıkarım
Pipe surface stripes need to be addressed from die cleaning and temperature stability
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