Geometric reasoning for re-allocation of supporting and clamping positions in the automated fixture design system

Utpal Roy, Jianmin Liao

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

Geometric reasoning is an indispensable part of an automated fixture design system. This paper introduces a rational approach based on the use of both qualitative and quantitative reasoning tools to plan for the `best' supporting, locating and clamping positions (on a given workpiece) to hold the workpiece rigidly and accurately during machining processes. It discusses general algorithms to verify the preliminary fixture configuration, as obtained by using 3-2-1 locating rules against workpiece deformation and workpiece-tool interference, and to re-allocate the locating positions, if necessary. The paper also addresses the issues of implementing the algorithm in a prototype, automated fixture design system.

Original languageEnglish (US)
Pages (from-to)313-322
Number of pages10
JournalIIE Transactions (Institute of Industrial Engineers)
Volume31
Issue number4
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering

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