This paper proposes optimization techniques to assist in the design and evaluation of fixtures for holding prismatic workpieces. This formulation of the fixturing design problem takes into account deflection of the workpiece subjected to assembly or machining loads. Using the minimization of the workpiece deflection at selected points as the design criterion, the design problem is determining the positions of the fixture supports. The Finite Element Method is used for calculating deflections that are the basis for the design objective function, and the Broyden-Fletcher-Goldfarb-Shanno optimization algorithm is used to determine the fixture support positions. In this paper the proposed objective function is developed and the method is illustrated with three numerical examples.
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November 1991
This article was originally published in
Journal of Engineering for Industry
Research Papers
Optimization Methods Applied to Selecting Support Positions in Fixture Design
R. J. Menassa,
R. J. Menassa
Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
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W. R. DeVries
W. R. DeVries
Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Search for other works by this author on:
R. J. Menassa
Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
W. R. DeVries
Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
J. Eng. Ind. Nov 1991, 113(4): 412-418
Published Online: November 1, 1991
Article history
Received:
November 1, 1990
Online:
April 8, 2008
Citation
Menassa, R. J., and DeVries, W. R. (November 1, 1991). "Optimization Methods Applied to Selecting Support Positions in Fixture Design." ASME. J. Eng. Ind. November 1991; 113(4): 412–418. https://doi.org/10.1115/1.2899715
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