Computer-aided simulation and testing of spatial linkages with joint mechanical errors

Tolerance allocation influences production costs in a big way. For this reason it is very important to have an accurate study about the effects of manufacturing errors on the functioning and performances of linkages. In this paper, the authors present a computer‐aided methodology based on a 3D geome...

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Bibliographic Details
Published in:International journal for numerical methods in engineering 2006-03, Vol.65 (11), p.1735-1748
Main Authors: Pezzuti, E., Stefanelli, R., Valentini, P. P., Vita, L.
Format: Article
Language:English
Subjects:
Applied sciences
Computer programs
Computer simulation
computer-aided simulation
Drives
dual algebra
Errors
Exact sciences and technology
Linkage mechanisms, cams
Linkages
Manufacturing engineering
Mechanical engineering. Machine design
Methodology
spatial linkages
Three dimensional
tolerance allocation
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Summary:Tolerance allocation influences production costs in a big way. For this reason it is very important to have an accurate study about the effects of manufacturing errors on the functioning and performances of linkages. In this paper, the authors present a computer‐aided methodology based on a 3D geometrical approach using the dual‐algebra fundamentals. The purpose is to give an useful tool which can be integrated into CAD software in order to evaluate the performances of spatial mechanisms with mechanical errors. The proposed methodology has been validated by means of experimental tests on a Cardan joint mechanism with clearances, misalignments and dimensional errors. Copyright © 2005 John Wiley & Sons, Ltd.
ISSN:0029-5981
1097-0207
DOI:10.1002/nme.1507