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Influence of roll geometry and strip width on flattening in flat rolling
Author(s) -
Zhou Shunxin,
Funke Paul,
Zhong Jue
Publication year - 1996
Publication title -
steel research
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0177-4832
DOI - 10.1002/srin.199605477
Subject(s) - flattening , geometry , deformation (meteorology) , work (physics) , finite element method , stack (abstract data type) , mechanics , materials science , mathematics , structural engineering , physics , engineering , mechanical engineering , computer science , composite material , programming language
The size of local roll flattening and its distribution along the direction of the roll axis in flat rolling were calculated by means of 3‐dimensional finite element method. For analysis of elastic flattening deformation of the roll stack the well‐known classical and analytical solutions are usually employed which were derived from elastic half space theory or two dimensional contact theory. By comparison of results from both the different methods the validity of the classical formulae was examined. Some of the formulae are more appropriate for calculating local flattening along the work roll/strip interface, however, they may result in a great deviation in calculating the flattening along the work roll/ back‐up roll interface, especially for the back‐up roll. Using the Fe model the influence of roll geometry and strip width under a specific rolling force on the flattening was taken into account, which is difficult to be treated with classical models.