Plastic Twisting of Erect Metal Roller

Abstract:

The twisting of an erect round metal roller (beam, roll) has a place in many metallurgical processes. For example, in the rolls of a wide-band mill at rolling of metal slab, in the leading rolls of flattening machines, in the asymmetric three-roll machines at bending of metal sheet, and so on. Under the large external torques in an erect metal roll, the plastic deformations can occur, which lead to the large residual stresses after an unloading of round roll. These residual stresses can bend the axis of the roll or cause it to a collapse under the subsequent loads. To estimate the value of residual stresses, it is necessary to know the spring-back factor of roll at a twisting. In this article, we have obtained the spring-back factor of the erect roll under a twisting.

• Periodical: Solid State Phenomena (Volume 299)
• Pages: 487-493
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.299.487
• Online since: January 2020
• Authors: Vladimir N. Shinkin*
• Keywords: Roller’s Transverse Section, Tangent Stress, Torque, Twisting

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