JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 46

FEATURE “Wind Energy” More information The “Institut für Textiltechnik der RWTH Aachen“ was established in 1934 as part of the Faculty for Mechanical Engineering of RWTH Aachen University. At present, it employs more than 30 research staff, more than 30 service personnel and over 100 student research assistants. The focus of its research is therefore on the development of new textile machines and new textile processes. They do not do research in textile design or finishing or clothing technology. They carry out research within publicly funded projects (e.g. EU) and also in direct R&D projects for industry. g…/… Automated blade production for wind energy plants Focus on automated preforming The Institute for Textile Technology will analyze the current rotor blade construction and production methods to obtain knowledge on the different manufacturing steps and subprocesses. Using the EcoPreformtool software developed at the Institute, the production process will be technically and economically analyzed and evaluated. Based on the resulting knowledge, automated subprocessing concepts for rotor blade production will be designed. The aim is to compose a technically and economically enhanced process chain, representing the processing steps from plane semifinished textile parts to three dimensional preforms. Possible steps in such a process chain include semi-finished part tailoring, subpreform production, fixation by application of binder and vertical reinforcement placement using sewing technologies. Handling of the semi-finished textile parts plays a major role throughout the process chain. The special challenge here is the size of the pre-cut parts, which can reach several square metres. With the Institute for Textile Technology’s ITA preforming centre (Figure 3), both individual steps and the entire process chain can be carried out and analysed at bench scale. Amongst other individual technologies, a handling unit for large-scale pre-cut textiles will be developed. Special attention will be paid to the achievable holding forces, positioning tolerances, damaging of the semi-finished parts and process time. The use of robotically operated sewing technologies for assembly and structural seams will also be examined and evaluated. To examine binder application, a robotically operated system for local application of thermoplastic binders and a thermal activation system will be designed. created at the Institute for Textile Technology. An example for a conceivable basic process chain is shown schematically in Figure 4. Fig. 4: Multi-step process chain. Finally, the developed concepts will be economically rated in terms of investment and operating costs, process times, batch possibilities and quality characteristics. The results will be compared with the current processing technology. Conclusion Within this research project, novel resin systems and semifinished textile parts will be developed. Furthermore, knowledge on automated preforming for large scale units will be obtained and corresponding preforming technologies will be worked out. The result will significantly contribute to improve the competitiveness of wind energy plants against conventional energy sources. Fig. 3: ITA preforming centre. More information: www.ita.rwth-aachen.de Acknowledgments We wish to thank the Federal Ministry for the Environment, Nature conservation and Nuclear Safety for its financial support of this research project. Based on the knowledge obtained within the project, an automated multi-step process chain at bench scale will be 46 jec composites magazine / No49 June 2009
http://www.ita.rwth-aachen.de

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #49 - June 2009

Cover
Index
Contents
- NEWS WORLDWIDE -
CompaniesMergers and acquisitions /Opening/Development /Partnership
3B: a high-quality fibreglass supplier
DK Composites: a player that has made a name for itself
Agenda of events
Equipment Innovative robotic solutions for fibre placement
- BUSINESS -
Market survey Indian distributors of raw materials for composites
Trends Subcontracting in aviation: a rapidly changing sector
Niche market Composites conform to creation
Human capital NCC: a global source for commercialization, manufacturing acceleration and incubation
- FEATURE -
Market 2009-2013: no slow-down in global wind developments
Design Composite wind turbine blade design: leveraging aerospace advances
Reinforcement New composite hybrid reinforcements for the wind turbine industry
Resins Advanced epoxy technology for wind turbine blades
Foam Breakthrough in structural PET foam core materials
Adhesive Turbine blade bonding
Production Automated blade production for wind energy plants
UT scans to ensure blade quality
Application An innovative composite wind turbine: for homeowners and professionals
- USERS’ PLATFORM -
Composites in the world - An astonishing chair
 - “Light car - Open Source”
The Greenbirdproject: 203 km/h just using wind
Lightweight hand-launched glider
Successful partners Innovative architectural cladding
Application GRP pipe system for Cancéropôle stormwater network
Composite system has capital solution for park odours
Composite drives team in first zero-emission race
- KNOW-HOW -
Materials Fibre-reinforced cores
Release agents Mould release system for the marine industry
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Cover
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 2
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 3
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 4
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Index
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Contents
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 7
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - CompaniesMergers and acquisitions /Opening/Development /Partnership
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Pub1
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Pub2
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 3B: a high-quality fibreglass supplier
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 10
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - DK Composites: a player that has made a name for itself
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 12
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 13
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 15
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Equipment Innovative robotic solutions for fibre placement
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 17
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 18
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - - BUSINESS -
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Market survey Indian distributors of raw materials for composites
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 21
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Trends Subcontracting in aviation: a rapidly changing sector
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 23
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Niche market Composites conform to creation
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 25
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Human capital NCC: a global source for commercialization, manufacturing acceleration and incubation
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 27
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 28
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - - FEATURE -
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Market 2009-2013: no slow-down in global wind developments
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 31
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 32
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 33
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Design Composite wind turbine blade design: leveraging aerospace advances
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 35
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Reinforcement New composite hybrid reinforcements for the wind turbine industry
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 37
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 38
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Resins Advanced epoxy technology for wind turbine blades
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 40
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 41
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Foam Breakthrough in structural PET foam core materials
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Adhesive Turbine blade bonding
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 44
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Production Automated blade production for wind energy plants
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 46
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - UT scans to ensure blade quality
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Application An innovative composite wind turbine: for homeowners and professionals
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 49
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 50
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - - USERS’ PLATFORM -
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 -  - “Light car - Open Source”
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Lightweight hand-launched glider
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Successful partners Innovative architectural cladding
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 55
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Application GRP pipe system for Cancéropôle stormwater network
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Composite system has capital solution for park odours
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Composite drives team in first zero-emission race
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - - KNOW-HOW -
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Materials Fibre-reinforced cores
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 61
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 62
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - Release agents Mould release system for the marine industry
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 64
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 65
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 66
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 67
JEC COMPOSITES MAGAZINE - Issue #49 - June 2009 - 68
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