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Static balancing of a four-bar linkage and its cognates

Deepak, Sangamesh R and Ananthasuresh, GK (2012) Static balancing of a four-bar linkage and its cognates. In: Mechanism and Machine Theory, 48 (1). pp. 62-80.

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Official URL: http://dx.doi.org/10.1016/j.mechmachtheory.2011.09...

Abstract

Motivated by the need to statically balance the inherent elastic forces in linkages, this paper presents three techniques to statically balance a four-bar linkage loaded by a zero-free-length spring attached between its coupler point and an anchor point on the ground. The number of auxiliary links and balancing springs required for the three techniques is less than or equal to that of the only technique currently in the literature. One of the three techniques does not require auxiliary links. In these techniques, the set of values for the spring constants and the ground-anchor point of the balancing springs can vary over a one-parameter family. Thrice as many balancing choices are available when the cognates are considered. The ensuing numerous options enable a user to choose the most practical solution. To facilitate the evaluation of the balancing choices for all the cognates, Roberts-Chebyshev cognate theorem is extended to statically balanced four-bar linkages. (C) 2011 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Static balancing;Spring load compensation;Zero-free-length spring;Roberts-Chebyshev cognate theorem
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 03 Jan 2012 12:02
Last Modified: 03 Jan 2012 12:02
URI: http://eprints.iisc.ernet.in/id/eprint/42954

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