Tolerance Analysis with EDS/VisVSA

[+] Author and Article Information
Zhengshu Shen

Design Automation Lab, Department of Mechanical & Aerospace Engineering, Arizona State University Tempe, Arizona 85287-6106 e-mail: Zhengshu.Shen@asu.edu

J. Comput. Inf. Sci. Eng 3(1), 95-99 (May 15, 2003) (5 pages) doi:10.1115/1.1573236 History: Received February 01, 2003; Revised March 01, 2003; Online May 15, 2003
Copyright © 2003 by ASME
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http://www.sigmetrix.com/about cetol.asp
Shah, J. J., and Mäntylä, M., 1994, “Parametric and Feature-Based CAD/CAM—Concepts, Techniques and Applications,” Wiley Publishers.
Shen, Z., Shah, J., and Davidson, J., 2003, “Automation of Linear Tolerance Charts and Extension to Statistical Tolerance Analysis,” submitted to 2003 ASME CIE conference, Jan.
VisVSA Solutions Training Manual, Version 1.3.
VisVSA online help, version 4.0.
ASME Standard 1994, “Dimensioning and Tolerancing,” ASME Y14.5M-1994, American Society of Mechanical Engineers, New York.
ISO 1101, Dimensioning & Tolerancing standard.
Pratt, M., 2001. “Extension of the STEP Standard for Parametric CAD Models,” ASME Transactions, J. of Computing & Information Science in Eng. (JCISE), 1 (3), Sept.
Yanyan Wu, Jami J. Shah, Joseph K. Davidson, 2003, “Rationalization and Computer Modeling of GD&T Classes”, Paper No. DETC2002/CIE-34482, Proceedings of ASME DETC 2002, 22nd Computers and Information in Engineering (CIE) Conference, Sept. 29–Oct. 2, 2002, Montreal, Canada.

Company Profile VSA software was originally developed by Variation Systems  Analysis Inc. in 1982. In 1998, it was acquired by Engineering Animation Inc. and the product was renamed VisVSA. In 2001, Electronic Data Systems Inc. bought Unigraphics and the product is still called VisVSA. Founded in 1962, EDS is the leading global information technology (IT) services company. It is headquartered in Plano, Texas with more than 138,000 employees in 60 countries.

VisVSA is available as part of the Unigraphics CAD package, or stand-alone. For more information on VisVSA, contact plmsolutions@eds.com

Editor’s Note

Software reviews are prepared by independent experts, not af-  filiated with the software vendors. The opinions expressed in the review are those of the reviewer and are not necessarily endorsed by the vendor, ASME or JCISE. Companies desiring to have their software reviewed by JCISE should contact the Technical Editor.


Grahic Jump Location
Invalid DRF case: (a) CAD model (b) VisVSA model
Grahic Jump Location
Example part and its GD&T specification
Grahic Jump Location
Analysis of positional tolerances
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Valid assembly constraints that VisVSA can model 8



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