A computational capability is developed for the optimum design of radial drilling machine structure to satisfy static rigidity and natural frequency requirements using finite element idealization. The radial drilling machine structure is idealized with frame elements and is analyzed by using different combinations of cross sectional shapes for the radial arm and the column. From the results obtained, the best combination of cross sectional shapes is suggested for the structure. With this combination of cross sectional shapes, mathematical programming techniques are used to find the minimum weight design of the radial drilling machine structure. A sensitivity analysis is conducted about the optimum point to find the effects of changes in design variables on the structural weight and the response quantities.
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June 1983
This article was originally published in
Journal of Mechanisms, Transmissions, and Automation in Design
Research Papers
Optimum Design of Radial Drilling Machine Structure to Satisfy Static Rigidity and Natural Frequency Requirements
S. S. Rao,
S. S. Rao
Department of Mechanical Engineering, San Diego State University, San Diego, Calif. 92182
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Ramana V. Grandhi
Ramana V. Grandhi
Department of Engineering Science & Mechanics, Virginia Polytechnic Institute & State University, Blacksburg, Va. 24061
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S. S. Rao
Department of Mechanical Engineering, San Diego State University, San Diego, Calif. 92182
Ramana V. Grandhi
Department of Engineering Science & Mechanics, Virginia Polytechnic Institute & State University, Blacksburg, Va. 24061
J. Mech., Trans., and Automation. Jun 1983, 105(2): 236-241 (6 pages)
Published Online: June 1, 1983
Article history
Received:
June 11, 1982
Online:
November 19, 2009
Citation
Rao, S. S., and Grandhi, R. V. (June 1, 1983). "Optimum Design of Radial Drilling Machine Structure to Satisfy Static Rigidity and Natural Frequency Requirements." ASME. J. Mech., Trans., and Automation. June 1983; 105(2): 236–241. https://doi.org/10.1115/1.3258515
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