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TECHNICAL PAPERS

Computer Modeling of Geometric Variations in Mechanical Parts and Assemblies

[+] Author and Article Information
Yanyan Wu

GE Global Research, Schenectady, NY

Jami J. Shah

Joseph K. Davidson

Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287-6106

J. Comput. Inf. Sci. Eng 3(1), 54-63 (May 15, 2003) (10 pages) doi:10.1115/1.1572177 History: Received November 01, 2002; Revised February 01, 2003; Online May 15, 2003
Copyright © 2003 by ASME
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References

ASME, 1994, Dimensioning and Tolerancing, ASME Y14.5M-1994a, American Society of Mechanical Engineers, New York.
ASME, 1994, Mathematical Definition of Dimensioning and Tolerancing Principles. ASME Y14.5.1M-1994b, American Society of Mechanical Engineers, New York.
ISO 1101-Dimensioning & Tolerancing standard.
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Desrochers,  A., and Riviere,  A., 1997, “A Matrix Approach to the Representation of Tolerance Zone and Clearances. Source,” The International Journal of Advanced Manufacturing Technology, 13(9), pp. 630–636.
Chase K. W., Magleby S. P., and Gao J. S., 2000, “Tolerance Analysis of 2-D and 3-D Mechanical Assemblies with Small Kinematic Adjustments,” http://adcats.et.byu.edu/WWW/Publication/index.html.
Zhang, B. C., 1992, “Geometric Modeling of Dimensioning and Tolerancing,” Ph.D. Thesis, Arizona State University, Tempe, Arizona.
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Davidson,  J., Mujezinovic,  A., and Shah,  J., 2002, “A New Mathematical Model for Geometric Tolerances as Applied to Round Faces,” ASME J. Mech. Des., 124 pp. 609–623.
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Figures

Grahic Jump Location
Sub-graph for axis location
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GD&T global model for a simple assembly (partial)
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Architecture of the Integrated GD&T System
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Auto-tolerancing applied to part “Body”
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Example of tolerance validation
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Characteristic sub-graphs for size and its tolerances
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Sub-graphs for distance dimension and its tolerances
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Sub-graph for concentricity variation
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Sub-graphs for orientation variations
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Sub-graphs for shape variations

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