DYNAMICS OF H-BEAM CAPTURE BY ROLLERS OF BREAK-DOWN STAND 1300 OF THE UNIVERSAL-BEAM MILL
https://doi.org/10.17073/0368-0797-2016-4-221-225
Abstract
The paper considers the condition features of the H-beam capture grooved with rolls and break-down stand 1300 of a universal-beam mill of Nizhny Tagil Metallurgical Plant. The authors have carried out the study of the stress-strain state of metal arising in the deformation zone during rolling of the beam in the calibers of rolls of a breakdown stand. The results of the calculation of the rolling process are presented in the form of plots of the distribution of contact normal and tangential stresses in the deformation zones as the rolls grip the H-beam. The value of normal tensile stresses arising in the wall of the H-beam does not exceed 52 MPa. In the deformation zones the shelf and the zone of interface the shelves with the wall are normal contact compressive stresses, indicating a favorable position of the beam quality of the scheme of stress state with a predominance of high compressive stress. The paper also presents the developed calculation method of dynamic loads in drive line of a breakdown stand 1300 considering the gaps in the spindle connection.
About the Authors
O. S. Lekhov
Russian State Professional Pedagogical University, Ekaterinburg, Russia
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair of Hoisting and Transport Machinery
E. Yu. Raskatov
Ural Federal University named after the first President of Russiа B.N. Yel’tsin, Ekaterinburg, Russia
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Assist. Professor, Head of the Chair “Metallurgical and Rotary Machines”
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Review
For citations:
Lekhov O.S., Raskatov E.Yu. DYNAMICS OF H-BEAM CAPTURE BY ROLLERS OF BREAK-DOWN STAND 1300 OF THE UNIVERSAL-BEAM MILL. Izvestiya. Ferrous Metallurgy. 2016;59(4):221-225. (In Russ.) https://doi.org/10.17073/0368-0797-2016-4-221-225
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