International Intensive Short Course on POLYMER RHEOLOGY ...
WHO SHOULD ATTEND
This seminar is an excellent overall review of extrusion technology. It is designed for production people, chemists, product and die designers, engineers, scientists, technicians and end users who are involved with plastics extrusion, mixing and compounding, recycling and process equipment design and manufacturing. This seminar has been developed to include cost-effective production and design techniques that can benefit even those with extensive experience. Participants will gain an increased understanding of processing and will learn some of the unique engineering problems associated with polymer extrusion, operation and troubleshooting of process equipment.
GENERAL INFORMATION
REGISTRATION
The number of participants is limited and it is therefore recommended that you register as early as possible. An administrative fee of AUS$50 will be charged for cancellations received one week before the course starts. After this date there will be no refunding of registration fees but full credit can be given for another person from the same company to attend. Substitutions may be made at any time but an advance notice would be appreciated. RMIT Rheology and Materials Processing Centre will not be responsible for any costs incurred by the attendee in the unlikely event of the seminar being cancelled.
ACCOMMODATION
A special rate has been negotiated with the Rydges Carlton Hotel: AUS$142 per room per night for a Single and AUS$153 per room per night for a Double or Twin. These prices include a buffet breakfast. Please make your own reservations. Availability is on a first-come-first-serve basis. Bookings must be made directly by calling reservations on 1800 333 001 toll-free from outside Melbourne metropolitan area or (03) 9347 7811 or by faxing on (03) 9347 8225. To obtain the above-negotiated rates please indicate your participation in the seminar and quote the special rate.
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Speaker: Dr. Chris Rauwendaal
Chris Rauwendaal, President of Rauwendaal Extrusion Engineering, Inc has 33 years experience in the plastic extrusion industry. He worked for four years in the man-made fiber industry for American Enka Corp. (now BASF Fibers), and twelve years for Raychem Corporation, a producer of specialty plastic products, as manager of Process Development. Chris has experience in a wide range of extrusion operations, including fiber spinning, film, sheet, tubing, and profile extrusion, coextrusion, and reactive extrusion. Chris has worked on both practical and theoretical problems such as screw and die design, troubleshooting, modelling and computer simulation, material analysis and failure analysis. He has received several awards and is a Fellow of the SPE. Chris has several patents to his name and has written more than 200 articles on extrusion, seven books, two video training seminars, and two interactive CD-ROM courses ITX and SPCIM.
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All Enquiries to:
Sharon Taylor
Phone: 61+(03)+99253778
Fax: 61+(03)+99252268
Email: Sharon.Taylor@rmit.edu.au
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| RMIT Rheology & Materials Processing Centre |
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|Will Present a Seminar on: |
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|INDUSTRIAL EXTRUSION |
|Understanding, Optimizing and Troubleshooting Extrusion |
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|October 11-13, 2006 |
|Rydges Hotel Carlton |
|701 Swanston Street, Carlton |
|MELBOURNE, AUSTRALIA |
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|PRINCIPAL LECTURER: |
|CHRIS RAUWENDAAL |
|RAUWENDAAL EXTRUSION ENGINEERING, USA |
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PROGRAM OUTLINE
WEDNESDAY OCTOBER 11, 2006
8.00 am Registration
8.30 am Welcome and start
Day 1:
Introduction:
• Basic components of an extruder
• Review of terminology
Hardware components of an extruder:
• Screw and barrel, hopper and feed housing.
• Grooved feed extruders
• Screw drive systems
• Breaker plate and screens
• Gear pumps
• Heating and cooling
• Instrumentation and control
Polymer properties important in extrusion:
• Melt flow properties
• Thermal properties
• Viscous heat generation
• How polymer properties can be used
to improve the extrusion process
Functional aspects:
• Solids conveying
• Plasticating or melting
• Melt conveying
• Devolatilization or degassing
• Mixing
PROGRAM OUTLINE
THURSDAY OCTOBER 12, 2006
8.00 am Registration
8.30 am Start
Day 2
Screw design:
• Standard extruder screw
• Variations on standard screw
• Mixing screws
• Barrier type screws
• Multi-stage screws for venting
• How to improve extruder performance by optimizing screw geometry
Die design:
• General rules and guidelines
• Analysis of dies
• Die flow instabilities
• Sheet and flat film dies
• Tubing and pipe dies
• Profile dies
• Coextrusion dies
Twin screw extruders:
• Twin vs. single screw extruders
• Co-rotating twin screw extruders
• Counter-rotating twin screw extruders
• Co- versus counter-rotating extruders
• Non-intermeshing twin screw extruders
5.00-7.00pm:
Cocktails, hors d’oeuvres and discussion
PROGRAM OUTLINE
FRIDAY OCTOBER 13, 2006
8.00 am Registration
8.30 am Start
Day 3:
Requirements for efficient troubleshooting:
• Instrumentation
• Understanding the process
• Collection of historical data
• Condition of the equipment
• Information on the feed stock
Tools for troubleshooting:
• Temperature measurement
• Data acquisition systems
• Microscopy
• Thermochromic materials
• Thermal analysis
❖ DTA and DSC
❖ TGA
❖ FTIR
❖ TMA
❖ Torque rheometer
❖ Other thermal techniques
Systematic troubleshooting:
• Upsets versus development problems
• Troubleshooting techniques
❖ Brainstorming sessions
❖ Flow charts
❖ Fishbone diagrams
• Machine related problems
❖ The drive system
❖ The feed system
❖ The heating and cooling system
❖ Wear problems
❖ Screw binding problems
Polymer degradation:
• Thermal degradation
• Mechanical degradation
• Chemical degradation
• Effect of temperature and residence time
• Melt temperatures in extrusion
• Residence times in extrusion
• Solving degradation problems
Gel problems:
• How and where gels can be produced
• Gels created in polymerization
• Gels created in the extrusion process
• How to measure gels
• Solving gel problems
Die flow problems:
• Melt fracture
• Die lip buildup
• V- or W- patterns
• Specks and discolouration
• Die lines and weld lines
• Solving die flow problems
Case studies:
Attendees are encouraged to bring actual extrusion related problems to the seminar for a hands on application of the material presented.
Computer aided troubleshooting:
Demonstration of software designed to aid in troubleshooting extrusion problems.
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Parking
Melways Ref: 43 G5
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