CALCULATION OF STEEL SHEET’S CURVATURE UNDER PRELIMINARY FLATTENING ON THE SEVEN-ROLLER STRAIGHTENING MACHINE
https://doi.org/10.17073/0368-0797-2016-12-870-874
Abstract
The mathematical method is proposed for determining the forces and bending moments at preliminary cold flattening of the thick steel sheet on the seven-roller sheet-straightening machine. The calculations allow us to determine the support reaction of working rollers, residual stresses in the wall of steel sheet, the proportion of plastic deformation on the sheet thickness and the relative deformation of the longitudinal surface fibers of the sheet under straightening depending on the rollers’ radius. It is also possible to establish the pitch between the straightening machines’ working rollers, the magnitude of sheet reduction by the upper rollers, the sheet thickness, as well as elastic modulus, yield stress and hardening modulus of the sheet metal. The results of the research can be used at metallurgical plants.
About the Author
V. N. Shinkin
National University of Science and Technology “MISIS” (MISIS)
Russian Federation
Dr. Sci. (Phys.–Math.), Professor of the Chair of Physics
Russian Federation
Dr. Sci. (Phys.–Math.), Professor of the Chair of Physics
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Review
For citations:
Shinkin V.N. CALCULATION OF STEEL SHEET’S CURVATURE UNDER PRELIMINARY FLATTENING ON THE SEVEN-ROLLER STRAIGHTENING MACHINE. Izvestiya. Ferrous Metallurgy. 2016;59(12):870-874. (In Russ.) https://doi.org/10.17073/0368-0797-2016-12-870-874
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