Extrusion & Post
11 görüntüleme
Complex cross-section profile dimension control difficult
Sorun Belirtisi
Complex cross-section profile dimension control difficult
Neden Analizi
Profile cross-section complex, cooling shrinkage differences in all directions are large
Improper sizing sleeve design, dimensional deviation
Haul-off speed and extrusion speed not matched, tensile deformation
Insufficient cooling and sizing, dimensions change over time
Cellulose acetate butyrate shrinkage rate 0.4-0.6% requires precise sizing sleeve design
Çözüm
Precisely design the sizing sleeve according to the 0.4-0.6% shrinkage rate
Optimize cooling to ensure uniformity in all directions
Precisely match haul-off and extrusion speeds
Fully cool and size to prevent dimensional changes
Complex cross-sections require multi-stage sizing
Temel Çıkarım
Profiles require precise sizing sleeves and sufficient cooling
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