Fabrication of 3D components by laser-aided direct metal deposition

Jyotirmoy Mazumder; Huan Qi

doi:10.1117/12.601652

8 March 2005 Fabrication of 3D components by laser-aided direct metal deposition

Jyotirmoy Mazumder, Huan Qi

Proceedings Volume 5706, Critical Review: Industrial Lasers and Applications; (2005) https://doi.org/10.1117/12.601652
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

Breinan and Kear first reported fabrication of three-dimensional metallic components via layer by layer laser cladding in 1978 and subsequently a patent was issued to Brown et al. in 1982. Recently, various groups are working world wide on different types of layered manufacturing techniques for fabrication of near net shape metallic components. Integration of lasers with multi-axis presently available CNC machines, CAD/CAM, sensors and powder metal delivery through co-axial nozzles along with the laser beam are the main innovations for fabrication of 3-Dimensional components. Continuous corrective measures during the manufacturing process are necessary to fabricate net shape functional parts with close tolerances and acceptable residual stress. The closed loop Direct Metal Deposition(DMD) System, using an optical feedback loop along with a CNC working under the instructions from a CAD/CAM software, indicate that it can produce three dimensional components directly from the CAD data eliminating intermediate machining and reduces final machining considerably. This technology is now being commercialized.

Citation Download Citation

Jyotirmoy Mazumder and Huan Qi "Fabrication of 3D components by laser-aided direct metal deposition", Proc. SPIE 5706, Critical Review: Industrial Lasers and Applications, (8 March 2005); https://doi.org/10.1117/12.601652

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