Application of Screw Theory to Constraint Analysis of Mechanical Assemblies Joined by Features-Reference-Cited by-同舟云学术

Application of Screw Theory to Constraint Analysis of Mechanical Assemblies Joined by Features

Published:1999-08-01 Issue:1 Volume:123 Page:26-32
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Adams Jeffrey D.¹,Whitney Daniel E.²

Affiliation:

1. Sanmina, Inc., 560 Arapeen Dr., Salt Lake City, UT 84108

2. MIT, Center for Technology, Policy and Industrial Development, 77 Massachusetts Ave., Rm. E40-243, Cambridge, MA 02139

Abstract

Screw Theory is used to provide mathematical models of assembly features, allowing the determination of positioning constraints imposed on one part in an assembly by another part based on the geometry of the features that join them. Several feature types have been modeled, and it is easy to model new ones. A user of this theory is able to combine members of this set to join two parts and then determine whether or not the defined feature set over-, under-, or fully-constrains the location and orientation of the part. The ability to calculate the state of constraint of parts in an assembly is useful in supporting quantitative design of properly constrained assemblies in CAD systems. Locational over-constraint of parts can lead to assembleability problems or require deformation of parts in order to complete the assembly.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/123/1/26/5797904/26_1.pdf

Reference31 articles.

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2. Mantripragada, R., Cunningham, T., and Whitney, D. E., 1996, “Assembly Oriented Design: A New Approach to Designing Assemblies,” Fifth IFIP WG 5.2 Workshop on Geometric Modeling in Computer-Aided Design, Airlie, Virginia.

3. Mantripragada, R., and Whitney, D. E., 1998, “The Datum Flow Chain: A Systematic Approach to Assembly Design and Modeling,” Res. Eng. Des.

4. Zhang, G., and Porchet, M., 1993, “Some New Developments in Tolerance Design in CAD,” ASME Advances in Design Automation, DE-Vol 65-2, pp. 175–185.

5. Shah, J. J., and Rogers, M. T., 1993, “Assembly Modeling as an Extension of Feature-Based Design,” Res. Eng. Des., 5, pp. 218–237.

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