Rolamite-Geometry and Force Analysis

[+] Author and Article Information
R. V. Cadman

Sandia Corporation, Albuquerque, N. Mex.

J. Eng. Ind 91(1), 186-191 (Feb 01, 1969) (6 pages) doi:10.1115/1.3591512 History: Received July 01, 1968


The rolamite is a precision roller-band mechanism which was recently developed. The looseness of the rolamite geometry is a function of the band tension. The tight geometry and the slightly loose (small-deflection) geometry may be described by simple equations. Typical digital computer results are presented for the interroller clearance in the very loose (large-deflection) geometry. The rolamite may be made to generate forces if the band flexural rigidity is varied, or if it is precurved. An energy method is used to derive a general form of the force equation.

Copyright © 1969 by ASME
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