Screw Design
• Standard extruder screw
• Barrier type extruder screws
• Multi-stage screws for venting
• Mixing screws
From head to sheet die
• The head adaptor
• The screen changer
• The choke valve
• The gear pump
• The feed block
The flat sheet die
• Various die configurations
• Deckling options
• Die adjustments
• Auto die lip adjusters
The cooling roll stack
• Roll stack configurations
• Roll face and diameter
• Cooling roll construction
• Roll stack actuators and controls
Downstream equipment
• Pull roll (haul-off) unit
• Cooling rack and other cooling methods
• Sheet slitters
• Gauge scanners and monitoring systems
• Sheet coating options
• Lamination for decoration and barriers
• Sheet accumulators
• The winding system
• Extrusion control systems
• Safety
• Start-up and shut down procedures
• Pre-start setup procedures and checks
• Maintaining steady state conditions
• Stringing up the roll stand the correct way
• Process parameters
• Maintenance
Troubleshooting sheet extrusion problems
• Requirements for efficient troubleshooting
• Troubleshooting tools and techniques
• Surging
• High melt temperature
• Sheet defects
• Case studies
Other Books authored by Chris Rauwendaal:
- Polymer Extrusion available with registration in any seminar for a discounted price of $100.00 Check appropriate box on registration form.
- Understanding Extrusion
- Troubleshooting the Extrusion Process
- SPC in Injection Molding and Extrusion
- Polymer Mixing
- Mixing in Polymer Processing
