ICALEO 2005 Paper #2001 (Laser Fabricated Metallic Cellular Sandwich Panels)
Laser Fabricated Metallic Cellular Sandwich Panels
Authors:
Stephen Copley, Applied Research Laboratory, The Pennsylvania State University; State College PA USA
Eduard Ventsel, Engineering Science & Mechanics Department, The Pennsylvania State University; State College PA U.S.A.
Peter Vigna, Engineering Science & Mechanics Department, The Pennsylvania State University; State College PA USA
Presented at ICALEO 2005
Corrugated core sandwich panels comprise a corrugation sheet between two thin face sheets. The significant features of such panels are their high strength and stiffness to weight ratios; however, the stiffness is substantially less perpendicular the directio...$28.00
ICALEO 2005 Paper #1905 (High Performance Scanner for Remote Welding with Nd:YAG Lasers)
High Performance Scanner for Remote Welding with Nd:YAG Lasers
Authors:
Jannis Stemmann, Hamburg University of Technology (TUHH); Hamburg Germany
Claus Emmelmann, Hamburg University of Technology (TUHH); Hamburg Germany
Presented at ICALEO 2005
Robot-based remote welding with solid-state lasers increasingly becomes an issue for automotive industry due to low process costs in comparison to spot welding or conventional laser welding. When talking about remote welding, very often the necessity of high beam qualities is emphasized, which can so far only be delivered by diode-pumped Yb:YAG disc and fibre lasers. However, industrially qualified and widely-used today are Nd:YAG rod laser...$28.00
ICALEO 2005 Paper #1904 (How Laser Production Systems are Being Employed to Effectively Machine, Weld and Repair Turbine Engine Components)
How Laser Production Systems are Being Employed to Effectively Machine, Weld and Repair Turbine Engine Components
Authors:
John Stackhouse, Winbro Group Technologies; Coalville UK
Presented at ICALEO 2005
Turbine engine manufacturers are employing Laser Systems to drill,ablate, cut, weld, clad and mark critical components used in both aircraft and industrial gas turbines. Details of these techniques are discussed and explanations of the various Technology Modules such as DOF (drilling-on-the-fl ), probing, SPC and breakthrough detection are given. Turnkey solutions employing Robotized loading and unloading of workpieces are discussed. The use of YAG, Q-switched, CO2 and other Laser power sour...$28.00
ICALEO 2005 Paper #1903 (Laser Welding for Coil Joining in a Steel Mill: Technical Advantages and Economics)
Laser Welding for Coil Joining in a Steel Mill: Technical Advantages and Economics
Authors:
Robert Mueller, Dofasco Inc.; Hamilton ON Canada
Andy Lee, Dofasco Inc.; Hamilton, Ontario Canada
Deni Bellai, Dofasco Inc.; Hamilton, Ontario Canada
Presented at ICALEO 2005
Laser welding has been widely accepted in many industries. Commercial systems are now available to laser weld steel coils end-to-end for continuous processing in steel mills. These systems compete with more traditional flash butt and resistance seam welding systems. This paper will describe the technical requirements for a coil joining weld, in terms of welding time and weld properties, and compare the c...$28.00
ICALEO 2005 Paper #1902 (Challenges in Laser Cooling Water Systems)
Challenges in Laser Cooling Water Systems
Authors:
Brian Jenkins, Nalco Company; Naperville IL USA
Brooke Winter, Nalco Company; Gilbert AZ USA
James Dillon, Nalco Company; Naperville IL USA
Kaveh Sotoudeh, Nalco Company; Naperville IL USA
Lars Capener, Nalco Company; Naperville IL USA
Presented at ICALEO 2005
Industrial lasers often employ water-cooled PCCL (Process Critical Closed Loops) to maintain operating temperatures within specific parameters. These loops ability to maintain proper cooling is essential to the successful operation and maintenance of lasers. Properly maintained water chemistry in these loops can enhance reliability and...$28.00
ICALEO 2005 Paper #1901 (Deep Engraving of Metals for the Automotive Sector Using High Average Power Diode Pumped Solid State Lasers)
Deep Engraving of Metals for the Automotive Sector Using High Average Power Diode Pumped Solid State Lasers
Authors:
Jozef Wendland, Powerlase Ltd; Crawley West Sussex UK
Matt Henry, Powerlase Ltd; Crawley Great Britain
Paul Harrison, Powerlase Ltd; Crawley West Sussex UK
Michael Brownell, Powerlase Ltd; Crawley West Sussex UK
Presented at ICALEO 2005
This paper investigates deep engraving of steel and aluminium by laser. By examination of laser and scanner parameters an optimal balance between feature quality and processing speed is achieved. Material removal rates of up to 20mm3/min for steel and 40mm3/min for aluminium are demonstrated up to a maximum e...$28.00
ICALEO 2005 Paper #1807 (Development of Transfer Functions for Controlling Fabrication of Components by Laser Net Shape Deposition (LNSM))
Development of Transfer Functions for Controlling Fabrication of Components by Laser Net Shape Deposition (LNSM)
Authors:
John Deaton, GE Global Research; Schenectady NY USA
Magdi Azer, GE Global Research; Schenectady NY US
Huan Qi, GE Global Research; Schenectady NY USA
Presented at ICALEO 2005
Although laser cladding was developed thirty years ago, it has only been in the last ten years that research groups and companies have begun to exploit this technology to produce fully dense, near-net shape components with metals through techniques such as DMD, DMF, Laser Consolidation, or LENS. In order to produce components with fine features, it is necessary to provide prop...$28.00
ICALEO 2005 Paper #1806 (Robust Process-Controller for Nd:YAG Laser Welding)
Robust Process-Controller for Nd:YAG Laser Welding
Authors:
Jeroen Olde Benneker, Netherlands Institute of Metals Research; Enschede Overijssel The Netherlands
Menno De Graaf, University of Twente; Enschede Netherlands
Ben Jonker, University of Twente; Enschede Overijssel The Netherlands
Johan Meijer, University of Twente; Enschede Overijssel The Netherlands
Ronald Aarts, University of Twente; Enschede Overijssel The Netherlands
Presented at ICALEO 2005
A robust process-controller was developed which maintains a fully penetrated weld. This feedback-controller is robust for various process disturbances that may occur,
like variations in sheet ...$28.00
ICALEO 2005 Paper #1805 (Vision-Based Dual Feedback Control of Deposition Height for Laser Consolidation)
Vision-Based Dual Feedback Control of Deposition Height for Laser Consolidation
Authors:
Guoshuang Cai, GE Global Research; Shanghai Peoples Republic of China
Bing-Ran Zuo, GE Global Research; Shanghai China
Henry Peng, GE Global Research; Shanghai China
Kevin Harding, GE Global Research; New York NY USA
Magdi Azer, GE Global Research; New York NY US
Robert Tait, GE Global Research; New York NY USA
Presented at ICALEO 2005
Laser consolidation is an effective way for aircraft part manufacturing and repair. The traditional open-loop laser process relies heavily on an operator?s expertise in order to establish a production process. T...$28.00
ICALEO 2005 Paper #1804 (Low Cost Camera Based Sensor System for Advanced Laser Heat Treatment Processes)
Low Cost Camera Based Sensor System for Advanced Laser Heat Treatment Processes
Authors:
Marko Seifert, Fraunhofer IWS; Dresden Saxony Germany
Steffen Bonss, Fraunhofer IWS; Dresden Saxony Germany
Jan Hannweber, Fraunhofer IWS; Dresden Saxony Germany
Udo Karsunke, Fraunhofer IWS; Dresden Saxony Germany
Eckhard Beyer, Fraunhofer IWS; Dresden Saxony Germany
Presented at ICALEO 2005
Industrial laser processes need to be reliable and well controlled. Infrared pyrometers are standard systems for contact-free temperature measuring at laser heat treatment. These systems are hardly to use for precise measurement at processes where large rectangular or...$28.00
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