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European Textile and Clothing Supply Chain Linking Conference, Ronse (Belgium) 23 October 2007. Dr. Dirk Hänsch, ProLas GmbH. Laser Welding of technical Textiles - Possible Fields of Application for Textiles and Clothing. Overview. ProLas – The Laser Welding Company.
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European Textile and Clothing Supply Chain Linking Conference, Ronse (Belgium) 23 October 2007 Dr. Dirk Hänsch, ProLas GmbH Laser Welding of technical Textiles - Possible Fields of Application for Textiles and Clothing
Overview ProLas – The Laser Welding Company Standard Welding Processes Laser Welding of technical Textiles Equipment & Online Process Control Market Segmentation
ProLas GmbH: History • Founded in 1998 as a Spin-Off of the Fraunhofer-Institut of Laser Technology in Aachen • 2005: Creation of Prolas application laboratory PROLAB • 2006: Joint venture with Reis Robotics
The total Solution Full Systems Small Scale Manufacturing Optical Components and Systems Process Development
Fields of Interest The Laser Welding Company Automotive Consumer Appliance Construction Textiles Packaging
Textiles Fields of Interest for functional clothing for architectural textile for laser bags
Overview ProLas – The Laser Welding Company Standard Welding Processes Laser Welding of technical Textiles Equipment & Online Process Control Market Segmentation
Standard Welding Processes of technical Textiles Source: Pfaff
Overview ProLas – The Laser Welding Company Standard Welding Processes Laser Welding of technical Textiles Equipment & Online Process Control Market Segmentation
Clamping rollers Laser directed into nip between rollers Fabrics with inherent or applied laser absorber Principle - Direct Welding
Laser welding – Cross Section of Seam PU coating Melted fabric Unmelted fibres Source: TWI • Laser weld between blue and yellow nylon fabrics showing region of fused material in the centre and unmelted fibres on the outer surfaces. The PU coating also remains intact.
Laser welding – Cross Section of Seam Quelle: TWI
Material Combinations • PA • PE • PP • Polyester • ETFE
Overview ProLas – The Laser Welding Company Standard Welding Processes Laser Welding of technical Textiles Equipment & Online Process Control Market Segmentation
Laser Sewing Machine for continious Seam Sealing • Noiseless and clean processing without smoke • Exact and precise energy input • Homogeneous intensity distribution • Online temperature control: feed rate independent • No overheating of the textiles • No development of poisonous gases or decomposition products
Combined US/Laser Sewing Machine • Ultrasonic/Laser welding machine for continous welding of flexible thermoplastic materials and non-wovens • 3 process alternatives in one machine • Ultrasonic • Direct welding • Transmission welding • Technical data: • Flat bed • Digital PLC-control • Functions operated through touch screen
Combined US/Laser Sewing Machine • Most of thermoplastic sheets, laminates, textiles and non-wovens weldable • High production speed • Easy welding of small radii • Smooth and even seams • No start/stop – marks • Low energy consumption
Online Process Control – WeldControl • Process reporting • Automatic archiving of all process relevant data • Definition of set values • Definition of threshold values • Windows based surface
Overview ProLas – The Laser Welding Company Standard Welding Processes Laser Welding of technical Textiles Equipment & Online Process Control Market Segmentation
Agrotech Hometech Buildtech Mobiltech Geotech Packtech Oekotech Market Segmentation Clothtech Indutech Medtech Sporttech Protech
Techtextil Innovation Prize 2005 Category „New Process“
Applications - Clothtech • Shoes • Windbreak and weather protection • Functional clothing • Protection clothing
Applications - Protech • Heat and fire protection clothing • Radiation protection • Low-temperature clothing • Chemical protection equipment • Equipment (security, military)
Applications - Medtech • Hygienic fleeces / dressing material • Textile-reinforced protheses • Operating sheets • Medical pillows • Medical clothing • Textiles for medical equipment • Hygienics and Care textiles