Extrusion & Post
11 görüntüleme
Extruded pipe wall thickness uneven
Sorun Belirtisi
Extruded pipe wall thickness uneven, obvious eccentric wall, cross-section measured wall thickness difference exceeds the standard allowable range
Neden Analizi
Die and mandrel concentricity deviation
Unstable extrusion temperature, melt viscosity fluctuation
Unstable haul-off speed
Uneven cooling water ring
Uneven screw plasticization
Çözüm
Adjust die and mandrel concentricity
Stabilize the extrusion temperature to the 170-230°C range
Stabilize haul-off speed
Uniform cooling water ring
Ensure uniform screw plasticization
Temel Çıkarım
Uneven pipe wall thickness needs to be addressed from die concentricity and process stability
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