ICALEO 2013 Paper #902 (Induction Assisted Gma-Laser Hybrid Welding of High-Strength Fine-Grain Structural Steels)
Induction Assisted Gma-Laser Hybrid Welding of High-Strength Fine-Grain Structural Steels
Authors:
Rabi Lahdo, Laser Zentrum Hannover e.V.; Braunschweig USA
Oliver Seffer, Laser Zentrum Hannover E.V.; Hannover Germany
Andre Springer, Laser Zentrum Hannover E.V.; Hannover Germany
Stefan Kaierle, Laser Zentrum Hannover E.V.; Hannover Germany
Ludger Overmeyer, Laser Zentrum Hannover E.V.; Hanover Germany
Mareike Collmann, Institut FüR Stahlbau; Hannover Germany
Peter Schaumann, Institut FüR Stahlbau; Hannover Germany
JöRg Neumeyer, Institut FüR Elektroprozesstechnik; Hannover Germany
Holger Schulbe, Institut ...$28.00
ICALEO 2013 Paper #901 (A Study of High Power Fiber-Laser-TIG-Hybrid Welding of Low Alloyed Steel)
A Study of High Power Fiber-Laser-TIG-Hybrid Welding of Low Alloyed Steel
Authors:
Antti Salminen, Lappeenranta University of Technology; Lappeenranta Finland
Seppo Leppanen, La; Imatra Finland
Presented at ICALEO 2013
The use of laser welding is enlarging to new applications partly via various technological advancements. These include development of lasers and laser system components together with development in process techniques. The first studied and reported of so called laser-hybrid welding processes was laser-TIG-hybrid welding. This process has advantages over the laser-MIG-hybrid process due to the fact that wire feeding and arc parameters can really be controlled separate...$28.00
ICALEO 2013 Paper #804 (Non-Disruptive, Low Loss In-Line Laser Beam Monitoring System for Industrial Laser Processing)
Non-Disruptive, Low Loss In-Line Laser Beam Monitoring System for Industrial Laser Processing
Authors:
Michael Scaggs, HAAS Laser Technologies; Flanders NJ USA
Gilbert Haas, Haas Laser Technologies, Inc.; Flanders NJ USA
Presented at ICALEO 2013
Monitoring both near and far field laser beam parameters is extremely helpful in understanding the quality of a laser process. The measurement of such parameters has not been practical to date due to the required disruption of the process beam in order to make the measurement. A significant quality control enhancement could be realized if one could monitor both near and far field patterns of the laser system during the process if it could...$28.00
ICALEO 2013 Paper #801 (The Full Spectrum Absorptance of Engineering Grade Metals with Diverse Surface Appearances)
The Full Spectrum Absorptance of Engineering Grade Metals with Diverse Surface Appearances
Authors:
Heng Zhao, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
Dongyun Zhang, Institute of Laser Engineering, Beijing University of Technology; Beijing
Rui Wu, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
Congyang Li, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
Presented at ICALEO 2013
Acquisition of the as-received industrial material absorptance of light is important for guiding the laser machining...$28.00
ICALEO 2013 Paper #703 (Research on Laser Drilling in Diverse Modes by Ns Pulse Laser)
Research on Laser Drilling in Diverse Modes by Ns Pulse Laser
Authors:
Xiaobing Zhang, Beijing Aeronautical Manufacturing Technology Research Insitutte; Beijing Peoples Republic of China
Presented at ICALEO 2013
The paper reports the research of laser drilling technology by ns pulse laser for purpose of making cooling holes with thinner recast layer or even without recast in aero-engine. In research we employ diverse modes in making holes in nickel-based alloy samples. The first way is making holes with low power high frequency ns pulse laser in scanning mode of removing the material layer by layer, the second one is making holes with ns width pulse train laser in percussion mode, the third is ...$28.00
ICALEO 2013 Paper #702 (Cax Process Chain for Laser Drilling of Tool Molds)
Cax Process Chain for Laser Drilling of Tool Molds
Authors:
Hermann Uchtmann, Chair for Laser Technology of the Rwth Aachen University; Aachen Germany
Ingomar Kelbassa, Chair for Laser Technology of the Rwth Aachen University; Aachen Germany
Presented at ICALEO 2013
Rotation sintering, also known as slush molding, is used to manufacture molded skins, such as cockpit or door interior panels for cars. At present, approx. 80 percent of molded skins are manufactured using electroforms due to the complex free-form surfaces, and surface structures such as leather graining. The manufacture of these electroforms is time-consuming and expensive. The aim is to replace conventional electrofor...$28.00
ICALEO 2013 Paper #701 (Determination of the Bore Hole Diameter by Analyzing Process Emissions)
Determination of the Bore Hole Diameter by Analyzing Process Emissions
Authors:
Stefan Janssen, Chair for Laser Technology, RWTH Aachen University; Aachen Germany
Hermann Uchtmann, Chair for Laser Technology, Rwth Aachen University; Aachen Germany
Ingomar Kelbassa, Chair for Laser Technology, Rwth Aachen University; Aachen Germany
Presented at ICALEO 2013
In order to guide cooling air through turbine blades, bore holes with 500-800 microns diameter need to be drilled into the blades. The tolerance of the bore hole diameter must not exceed a range of about 10-30 microns so that a constant air flow capacity can be guaranteed. For the determination of the bore hole diamet...$28.00
ICALEO 2013 Paper #605 (Butt Welding of Transparent Polyamide (Pa11) with 1.94 Micron Fiber Laser)
Butt Welding of Transparent Polyamide (Pa11) with 1.94 Micron Fiber Laser
Authors:
Petri Laakso, VTT; Lappeenranta Finland
Saara Ruotsalainen, Vtt; Lappeenranta Finland
Veli Kujanpaa, Vtt; Lappeenranta Finland
Gerhard Otto, Fhg Ilt; Aachen Germany
Alexander Olowinsky, Fhg Ilt; Aachen Germany
Presented at ICALEO 2013
Laser welding of polymeric products has been manufactured for more than 20 years. During that time polymer welding has developed a lot. In spite of that, there are still some limitations in applying the process to the industry. Typically welding has been made in lap joint configuration with black and clear parts because of optical ...$28.00
ICALEO 2013 Paper #604 (Quasi-Simultaneous Laser Welding of Transparent Polymers by Using Beam Off-Setting Scanning Technique)
Quasi-Simultaneous Laser Welding of Transparent Polymers by Using Beam Off-Setting Scanning Technique
Authors:
Saara Ruotsalainen, VTT Technical Research Centre of Finland; Lappeenranta Finland
Petri Laakso, Vtt Technical Research Centre of Finland; Lappeenranta Finland
Veli Kujanpaaa, Vtt Technical Research Centre of Finland; Lappeenranta Finland
Presented at ICALEO 2013
Quasi-simultaneous laser welding (QSLW) of polymers is widely known laser joining technique. Traditionally joining of polymers has been done by using lasers of around 1 µm wavelength. With this wavelength the pair of polymers to be joined needs to be transparent and absorbing, usually clear and b...$28.00
ICALEO 2013 Paper #603 (Laser Transmission Welding of White Thermoplastics with Adapted Wavelengths)
Laser Transmission Welding of White Thermoplastics with Adapted Wavelengths
Authors:
Viktor Mamuschkin, Fraunhofer Institute for Laser Technology ILT; Aachen Germany
Mirko Aden, Fraunhofer Institute for Laser Technology; Aachen Germany
Christoph Engelmann, Fraunhofer Institute For Laser Technology; Aachen Germany
Alexander Olowinsky, Fraunhofer Institute for Laser Technology; Aachen Germany
Arnold Gillner, Fraunhofer Institute for Laser Technology; Aachen Germany
Sibylle Glaser, Treffert GmbH & Co. KG; Bingen-Sponsheim Germany
Presented at ICALEO 2013
Since its introduction transmission welding continuously gained importance and o...$28.00
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