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RESEARCH PAPERS: Mechanisms Papers

Complete Balancing of Space Mechanisms—Shaking Force Balancing

[+] Author and Article Information
C. Bagci

Tennessee Technological University, Cookeville, Tenn. 38501

J. Mech., Trans., and Automation 105(4), 609-616 (Dec 01, 1983) (8 pages) doi:10.1115/1.3258523 History: Received June 03, 1982; Online November 19, 2009

Abstract

Complete balancing of shaking forces and shaking moments in space mechanisms is the subject of this article. Using real vectors, it presents methods of balancing shaking forces completely in space mechanisms. Force balancing of a mechanism is achieved by attaining a stationary center of the total mass of the mechanism. Design equations for force balancing of the RSSR, RSSP slider-crank and RSRC, CSC, and RCRC screw generators are developed. These mechanisms, their pair inversion mechanisms are force balanced thus establishing general guidelines for force balancing of space mechanisms. It is shown that SC and SRC dyads in space mechanisms also introduce force transmission irregularity in addition to the CRC, CCC, CRP, PRP, PSP, PSC dyads that introduce force transmission irregularity. Space mechanisms with force transmission irregularities are balanced by attaching a force balancing RRR dyad or a linearly moving conterbalancer driven by gear-rack drive, a belt, chain, or rolomite mechanism.

Copyright © 1983 by ASME
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