Introduction
• Overview of types of extrusion dies
• Important melt flow properties
• General rules & guidelines
• Complicating factors in die design
• Extrudate swell
• Draw down
• Relaxation
• Shrinkage
Design of flat & annular dies
• Computer aided die design
• Flat sheet and film dies
• Fish tail dies
• Coathanger dies
• Horseshoe dies
• Tubing and pipe dies
• In-line dies
• Crosshead dies
•Wire coating dies
• Blown film dies
• Spiral mandrel dies
• Smooth mandrel dies
• Pancake dies
• Coextrusion dies
• Feed block system
• Multi-manifold system
• Interfacial problems
• Troubleshooting extruders