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RESEARCH PAPERS

Parallel Disassembly by Onion Peeling

[+] Author and Article Information
Shiang-Fong Chen, J. H. Oliver

Department of Mechanical Engineering, Iowa Center for Emerging Manufacturing Technology, Iowa State University, Ames, IA

Shuo-Yan Chou

Department of Industrial Management, Graduate School of Engineering Technology, National Taiwan Institute of Technology, Taipei, Taiwan

Lin-Lin Chen

Graduate School of Engineering Technology, National Taiwan Institute of Technology, Taipei, Taiwan

J. Mech. Des 119(2), 267-274 (Jun 01, 1997) (8 pages) doi:10.1115/1.2826246 History: Received August 01, 1994; Revised August 01, 1996; Online December 11, 2007

Abstract

For some assembly structures, parallel disassembly of components is necessary in order to reach a particular internal component. Due to the large number of possible combinations, the parallel disassembly problem is not easily solved in a general form. In order to reduce the time complexity of finding a disassembly sequence, this paper introduces a simplified mating graph and develops a data structure to facilitate an efficient parallel disassembly algorithm. This algorithm takes Max {O(N3 ), O(E)} time to find an efficient sequence to reach a particular component, where N is the number of components and E is the number of mating faces. Separability testing is incorporated to determine whether the query component can be disassembled and moved to infinity without obstruction.

Copyright © 1997 by The American Society of Mechanical Engineers
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