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Proceedings Paper

Computer-automated fixture configuration design
Author(s): Y. Rong; Y. Bai; Y. Zhu; Zhen-Bi Luo
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Paper Abstract

Flexible fixturing is a necessary aspect of flexible manufacturing systems (FMS) and computer-integrated manufacturing systems (CIMS). Modular fixtures are mostly used in industry for job and small batch production. Computer-aided fixture design (CAFD) has become a research focus in implementing FMS and CIMS. Fixture configuration design is an important issue in the domain of CAFD. A review of the current research in CAFD indicates that one major problem impeding the automated generation of fixture configuration design is the negligence of study on fixture structures. This paper investigates fundamental structures of dowel-pin based modular fixtures and fixturing characteristics of commonly used modular fixture elements. A modular fixture element assembly relationship graph (MFEARG) is designed to represent combination relationships between fixture elements. Based on MFEARG, algorithms are developed to search all suitable fixturing unit candidates and mount them into appropriate positions on the baseplate with an interference check. A prototype system for automated design of dowel-pin modular fixture configurations is presented in this paper. Fixture design examples are given at the end of the paper.

Paper Details

Date Published: 28 August 1995
PDF: 10 pages
Proc. SPIE 2620, International Conference on Intelligent Manufacturing, (28 August 1995); doi: 10.1117/12.217524
Show Author Affiliations
Y. Rong, Southern Illinois Univ. (United States)
Y. Bai, Southern Illinois Univ. (United States)
Y. Zhu, Beijing Institute of Machinery Industry (China)
Zhen-Bi Luo, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 2620:
International Conference on Intelligent Manufacturing
Shuzi Yang; Ji Zhou; Cheng-Gang Li, Editor(s)

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