FIELD: mechanical engineering. SUBSTANCE: method involves using round billet as basic billet for the first shaped pass, with width of upper roll strand along neutral line of pass, height of ridges of lower and upper rolls being respectively 0.92-0.98, 0.15-0.45 and 0.04-0.08 of billet diameter. It allows billet to be reliably centered in split pass. EFFECT: reliable centering of billet in pass, high quality of profile and wider operational capabilities of mills. 2 dwg
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Authors
Dates
1994-09-15—Published
1991-03-05—Filed