Computer modeling of geometric variations in mechanical parts and assemblies

Yanyan Wu, Jami J. Shah, Joseph K. Davidson

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

This paper reports on part of a project related to the development of a computer model for GD&T (Geometric Dimensioning and Tolerancing) to support tolerance specification, validation and tolerance analysis. The paper examines the basic elements involved in geometric variation and their interrelations. Logical tolerance classes are defined in terms of a target, a datum reference frame, and metric relations. ASME Y14.5 tolerance classes are mapped to these logical classes. The development of a data model for GD&T and its application in supporting design specification, validation, and tolerance analysis are discussed.

Original languageEnglish (US)
Pages (from-to)54-63
Number of pages10
JournalJournal of Computing and Information Science in Engineering
Volume3
Issue number1
DOIs
StatePublished - Mar 2003

ASJC Scopus subject areas

  • Software
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design
  • Industrial and Manufacturing Engineering

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