Analysis of Filament Deformation for a Freely Rotating Cup Brush

[+] Author and Article Information
R. J. Stango, Chih-Yuan Shia

Department of Mechanical and Industrial Engineering, Marquette University, Milwaukee, WI 53233

J. Manuf. Sci. Eng 119(3), 298-306 (Aug 01, 1997) (9 pages) doi:10.1115/1.2831107 History: Received April 01, 1994; Revised March 01, 1996; Online January 17, 2008


In this paper, a mechanics formulation is outlined and used for evaluating the steady-state, large deflection of a slender member subjected to displacement-dependent centrifugal load. The problem is examined within the context of rotating filamentary cup brushes that are used in surface finishing operations. Several parameters which are closely related to the machining performance and service life of cup brushes are identified and reported, including filament tip spatial distribution and orientation, filament stress, and the steady-state configuration of the working surface of the cup brush during free rotation. Numerical results indicate that filament inertia forces can lead to significant fiber displacement and stress and thus, must be included as an integral part of the design of rotary cup brushes.

Copyright © 1997 by The American Society of Mechanical Engineers
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