Improving and Troubleshooting Extrusion
Contents
1. Frequency instability Mechanism of instabilities Functional instabilities Solving extrusion instabilities Information on the feedstock Other extrusion problems Air entrapment Gel problems Die flow problems Wear problems Registration Form Industrial Extrusion Improving and Troubleshooting Extrusion 12 and 13 September 2011 Please photocopy for additional registrations Name Position Company name Mailing address Tel Email Fees Both days AUD 1 200 GST Single day AUD 650 GST For single day registration please indicate Monday only Tuesday only This includes registration lecture notes arrival tea coffee morning tea afternoon tea and lunch drinks and hors d oeuvres at Monday evening discussion session Discount Only one discount per registration am an SPE member AUD 50 per day discount OR Company registrations of two 2 or more people AUD 50 per person per day discount Method of payment Cheque payable to Rheology and Materials Processing Centre Mail cheques and registration form to Rheology and Materials Processing Centre RMIT University GPO Box 2476 Melbourne VIC 3001 Credit card Visa or Mastercard Tel 61 3 9925 3653 Receipt number Please email a copy of my receipt Prepaid Credit Card Registration Please fax the completed form including your receipt number to fax 61 3 9925 2268 All fees are to be pa2. PROGRAM OUTLINE Monday 12 September 2011 8 00 am Registration 8 30 am Welcome and start Day 1 Improving extrusion Introduction to extrusion Nomenclature Basics of extrusion in a nutshell What is plastic extrusion What are plastics What happens inside the extruder New developments in extrusion Ultra high speed extrusion High efficiency degassing extruders Instrumentation and interpretation of process data The vital signs of the extruder How the measure pressure and temperature Improving the extrusion process How to assess the efficiency of an existing extrusion operation Yield Scrap rate Process capability Efficient machine design Screw design Die design Hopper and feed housing design Heating and cooling the extruder Efficient machine operation Methods of feeding Why cooling should be minimized Close loop control Total line control Efficient machine setup Preventative maintenance Instrumentation and process monitoring Data acquisition capability Statistical process control Product changeover and purging Machine design for quick changeover Running resins with different viscosities Running resins with different colours Purging techniques Purging compounds Reducing material cost Low cost filler Recycled plastic Foamed plastic Polymer processing aids Reducing energy consumption H
3. ation A special rate has been negotiated with the Rydges Carlton Hotel AUD 189 00 per Queen room per night A full buffet breakfast is available for an additional 22 00 per person 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 To obtain the above negotiated rates please indicate your participation in the RMIT Extrusion seminar and quote the special rate Melways Ref 43 G5 11946 RMPC Seminar _DL indd 2 Principal Lecturer 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 se
4. id in advance Payment must be in Australian dollars 21 07 11 12 06 PM Who should attend Operating personnel such as extruder operators technicians setup people supervisors etc People involved in extruder maintenance and repair Process engineers and manufacturing engineers involved in extrusion People responsible for buying new extrusion equipment and upgrading existing extrusion equipment People responsible for extrusion operations such as manufacturing managers plant managers operation managers etc Engineers responsible for the design of extrusion equipment or components Technical service personnel from resin producers and extruder manufacturers Students and recent graduates who want to learn practical information on extrusion y y y y 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 AUD 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 Accommod
5. ow to determine the energy efficiency of the extruder Preheating the dryer Discharge melt temperature Thermal insulation of machine parts 11946 RMPG Semine Efficient troubleshooting Requirements for efficient troubleshooting Troubleshooting tools Typical extrusion problems Optimizing extruder barrel temperatures Design of experiments One at a time experiments Dynamic optimization Flexible manufacturing methods examples Quick change extrusion systems Adjustable calibrators Continuous die gap adjustment Internal pipe cooling 5 30 730 Monday evening Drinks hors d oeuvres and discussion Tuesday 13 September 2011 8 00 am Registration 8 30 am Welcome and start Day 2 Troubleshooting Troubleshooting the extrusion process y y y Requirements for efficient troubleshooting Instrumentation Understanding the process Collection of historical data Condition of the equipment Information on the feedstock Tools for troubleshooting Temperature measurement devices Data acquisition systems Microscopy Thermochromic materials Thermal analysis Systematic troubleshooting Upsets versus development problems Troubleshooting techniques Machine related problems Polymer degradation Thermal degradation Mechanical degradation Chemical degradation Solving degradation problems Extrusion instabilities
6. ven books two video training seminars and two interactive CD ROM courses ITX and SPCIM Enquiries Mike Allan Tel 61 3 9925 2088 Fax 61 3 9925 2268 Email mike allan rmit edu au Sponsored by RMIT University Rheology and Materials Processing Centre and the Society of Plastics Engineers Disclaimer Every effort has been made to ensure the information contained in this publication is accurate and current at the date of printing For the most up to date information please refer to the RMIT University web site RMIT University Provider Code 00122A 11946 0711 _ PROCESSING CENTRE i f INDUSTRIAL EXTRUSION em IMPROVING AND TROUBLESHOOTING EXTRUSION 12 and 13 September 2011 Rydges Carlton Hotel Principal Lecturer 701 Swanston Street Chris Rauwendaal Carlton Melbourne Rauwendaal Extrusion Australia Engineering USA RMIT UNIVERSITY 21 07 11 12 06 PM
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