Dynamic Balancing of Spherical 4R Linkages

Author:

Moore Brian1,Schicho Josef2,Gosselin Clément M.3

Affiliation:

1. ATR Computational Neuroscience Laboratories, 2-2-2 Keihanna Science City, Soraku-gun, Kyoto 619-0288, Japan

2. RICAM, Austrian Academy of Sciences, A-4040 Linz, Austria

3. Département de Génie Mécanique, Université Laval, Québec, QC, G1V 0A6, Canada

Abstract

A mechanism, which, for any motion, does not apply reaction forces on the base, is said to be statically or force balanced. It is moment balanced or dynamically balanced if, moreover, it does not apply torques on the base. In this paper, an approach to determine the complete set of statically balanced spherical four-bar linkages is presented. Furthermore, it is shown that for all possible design parameters, it is not possible to dynamically balance such linkages.

Publisher

ASME International

Subject

Mechanical Engineering

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