Extrusion & Post
5 görüntüleme
Flow marks on PETG extruded sheet
Sorun Belirtisi
Flow line marks along the extrusion direction appear on the sheet surface.
Neden Analizi
The melt flow in the die head is uneven, the die head flow channel design has dead corners, and the extrusion temperature is uneven.
Çözüm
Optimize the die head flow channel design; balance the heating; increase the processing temperature to reduce the viscosity.
Temel Çıkarım
PETG sheet flow marks point to die head flow channel design problems.
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