Journal
ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING
Volume 44, Issue -, Pages 67-76Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rcim.2016.08.008
Keywords
Laser-based direct metal deposition; 8-axis robot; Process planning; Revolved part
Funding
- NSF [IIP-1034652]
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [1539853] Funding Source: National Science Foundation
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Laser-based direct metal deposition (LBDMD) is a promising additive manufacturing technology that is well suited for production of complex metal structures, low-volume manufacturing, and high-value component repair or modification. It finds broad application in the automotive, biomedical, and aerospace industries. The Research Center for Advanced Manufacturing (RCAM) at Southern Methodist University is developing a robot controlled LBDMD system that couples a 6-axis robot arm with an additional 2-axis tilt and rotatory positioning system. The system simplifies the process planning of multiple-directional deposition for complex parts and reduces production time. This paper describes the printing process specific to complex revolved parts. Taking advantage of the coupled 2-axis tilt and rotatory system, a hybrid slicing method is developed to map the overhanging structures of a revolved part to be at a planar base. Consequently, the traditional path planning strategies are applicable to generate the tool-path for the mapped structures. The method is successfully applied to build a propeller. (C) 2016 Elsevier Ltd. All rights reserved.
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