期刊
IRONMAKING & STEELMAKING
卷 42, 期 8, 页码 585-593出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743281215Y.0000000002
关键词
Plate plan view pattern control; FE simulation; Dog bone shape; Plate width spread; Plate edging model
资金
- Key Laboratory for Metallurgical Equipment and Control of Ministry of Education in Wuhan University of Science and Technology [2014B02]
- National Natural Science Foundation of China [51375354, 51278084]
From a new viewpoint to improve plate plan view pattern during hot rolling, a plate edging process was proposed to roll back only the plate width spread of conventional rolling in this paper. Using commercial finite element (FE) analysis software DEFORM-3D, a three-dimensional rigid plastic FE model for vertical-horizontal (V-H) hot rolling was developed on the basis of a 5 m wide and heavy plate mill. Three hundred and twenty kinds of different V-H rolling processes were simulated by the FE model. Basing on the simulation results, the formation laws of dog bone shape during the vertical rolling and the width spread behaviours during the horizontal rolling were clarified. A plate edging model predicting the plate edging efficiency was established with the aid of an artificial neural network. The plate edging efficiency predicted by this plate edging model agreed well with those predicted by the existing strip edging models when the slab width/thickness ratio was small, which confirmed the validity of the plate edging model. The plate edging model expanded its application scope into the wide and heavy plate hot rolling.
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