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Relation between part position and kinematic freedom: An expository survey

Dawari, Avinash and Sen, Dibakar (2010) Relation between part position and kinematic freedom: An expository survey. In: 13th National Conference on Machines and Mechanisms, DEC 12-13, 2007, Indian Inst Sci, Bangalore.

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Official URL: http://dx.doi.org/10.1016/j.mechmachtheory.2009.09...

Abstract

This paper makes explicit the relation between relative part position and kinematic freedom of the parts which is implicitly available in the literature. An extensive set of representative papers in the areas of assembly and kinematic modelling is reviewed to specifically identify how the ideas in the two areas are related and influencing the development of each other. The papers are categorised by the approaches followed in the specification, representation, and solution of the part relations. It is observed that the extent of the part geometry is not respected in modelling schemes and as a result, the causal flow of events (proximity–contact–mobility) during the assembling process is not realised in the existing modelling paradigms, which are focusing on either the relative positioning problem or the relative motion problem. Though an assembly is a static description of part configuration, achievement of this configuration requires availability of relative motion for bringing parts together during the assembly process. On the other hand, the kinematic freedom of a part depends on the nature of contacting regions with other parts in its static configuration. These two problems are thus related through the contact geometry. The chronology of the approaches that significantly contributed to the development of the subject is also included in the paper.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Assembly model; Kinematic model; Geometric constraint; Contact; Feature; Mating relation
Department/Centre: Division of Mechanical Sciences > Centre for Product Design & Manufacturing
Date Deposited: 12 Jul 2010 10:04
Last Modified: 19 Sep 2010 06:10
URI: http://eprints.iisc.ernet.in/id/eprint/29113

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