2002
DOI: 10.1007/s11661-002-0312-1
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A precision on-line model for the prediction of roll force and roll power in hot-strip rolling

Abstract: Investigated via a series of finite-element (FE) process simulations is the effect of diverse process variables on some selected nondimensional parameters characterizing the thermomechanical behavior of the strip in hot-strip rolling. Then, on the basis of these parameters an on-line model is derived for the precise prediction of roll force and roll power. The prediction accuracy of the proposed model is examined through comparison with predictions from a FE process model and also with measurements.

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Cited by 29 publications
(10 citation statements)
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“…In general, ρ fm is set to be about equal to the C fm determined by Eq. (6). θ fm is a relief angle which plays a role in smoothing the metal flow near the connector region.…”
Section: Design Of the Forming Groovementioning
confidence: 99%
See 1 more Smart Citation
“…In general, ρ fm is set to be about equal to the C fm determined by Eq. (6). θ fm is a relief angle which plays a role in smoothing the metal flow near the connector region.…”
Section: Design Of the Forming Groovementioning
confidence: 99%
“…The explicit time integration method was employed and element type used for the specimen was C3D8R (8-node linear brick, reduced integration with hourglass control). Coulomb friction coefficient, 0.30 was used [5,6]. The number of specimen elements used is 18,000 and roll elements are 5,000.…”
Section: Rolling Test Proceduresmentioning
confidence: 99%
“…They predicted rolling force, rolling torque, and contact pressure on the roll for both rigid and flexible roll cases. Kwak, Lee, Hwang, and Kim (2002) used FE simulation to investigate the effect of HSR process variables on some selected nondimensional parameters characterizing the thermo-mechanical behavior of the strip and based on those parameters derived an online model for the precise prediction of roll force and roll power. Duan and Sheppard (2002) simulated the hot flat rolling of aluminum alloy 3003 by the commercial FEM program FORGE3.…”
Section: Introductionmentioning
confidence: 99%
“…Finite element modeling of hot rolling process has achieved considerable success in the past decade [1][2] . In the past time, because of limitation of computer software running speed, the deformation temperature, rolling force, and other aspects of material were examined separately by most researchers [3][4][5] , to study the deformation process at a single pass [6][7] , or to study thermal experience using a 2D finite element model [8][9] .…”
Section: Introductionmentioning
confidence: 99%