Blow Molding Blow Molding STRETCHBLOW MOLDING Blow Molding INJECTIONBLOW MOLDING No pincho scrap Excellent thickness control Fewer surface defects Blow Molding BLOW MOLDING DEFECTS Axial thickness PDF document - DocSlides

Blow Molding  Blow Molding STRETCHBLOW MOLDING  Blow Molding INJECTIONBLOW MOLDING No pincho scrap Excellent thickness control Fewer surface defects  Blow Molding BLOW MOLDING DEFECTS Axial thickness PDF document - DocSlides

2014-12-12 139K 139 0 0

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Use short parison 2 Use polymer with a high zeroshear viscosity brPage 6br Blow Molding NECK RING BLOW MOLDING PROCESS brPage 7br Blow Molding STRETCHBLOW MOLDING OF SOFTDRINK BOTTLES brPage 8br Blow Molding BRANCHED VS LINEAR RHEOLOGY Branched vs L ID: 22581

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Presentations text content in Blow Molding Blow Molding STRETCHBLOW MOLDING Blow Molding INJECTIONBLOW MOLDING No pincho scrap Excellent thickness control Fewer surface defects Blow Molding BLOW MOLDING DEFECTS Axial thickness


Page 1
Blow Molding
Page 2
Blow Molding STRETCH-BLOW MOLDING
Page 3
Blow Molding INJECTION-BLOW MOLDING No pinch-off scrap Excellent thickness control Fewer surface defects
Page 4
Blow Molding BLOW MOLDING DEFECTS Axial thickness variations in parison Surface defects: Mottle, Extrusion Die Lines Pinch-off scars, trimming
Page 5
Blow Molding PARISON SAG Stress due to parisons own weight: lAρg lρg Strain Rate lρg Sag Velocity = εl ρg To minimize sag: 1. Use short parison 2. Use polymer with a high zero-shear viscosity
Page 6
Blow Molding NECK RING BLOW MOLDING PROCESS
Page 7
Blow Molding STRETCH-BLOW MOLDING OF SOFT-DRINK BOTTLES
Page 8
Blow Molding BRANCHED VS. LINEAR RHEOLOGY Branched vs. Linear rheology Branched have higher Linear Branched Branched are more shear-thinning at high (1 3 for linear 2 for branched Branched polymers are better blow molding resins

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