A Rolling Theory for Granular Solids

[+] Author and Article Information
J. R. Johanson

Mechanisms Division, Applied Research Laboratory, United States Steel Corporation, Monroeville, Pa.

J. Appl. Mech 32(4), 842-848 (Dec 01, 1965) (7 pages) doi:10.1115/1.3627325 History: Received January 11, 1965; Online September 15, 2011


Based on the continuous plane-strain deformation of an isotropic, frictional, cohesive, compressible solid, a rolling theory for granular solids has been developed. The pressure exerted by the press is predicted as a function of the flow properties of the solid, roll size, roll gap, roll surface condition, and feed pressure. Calculated results of the theory are presented in terms of roll-separating force, roll torque, and the ratio of maximum to minimum pressure existing in the press. Examples of the effect of material properties on these results are given.

Copyright © 1965 by ASME
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