Abstract
"In the national and international literature of the rolling theory, it is usually resented the plastic distortion between cylinders with equal diameter, meaning the symmetrical rolling, although this process represents only an abstract opposed to the normal conditions, because there exists a difference between the working diameters of the cylinders, and sometimes right after construction the rolling mill is equipped with cylinders of different diameters. It is worth mentioning that for a series of aspects like: the distribution of the unitary pressure on the contact surfaces, the reduction between the cylinders, the bending of the bar exiting from among the cylinders and many others, there are contradictory opinions which are explained through the difficulties that the experimental study of these phenomena imposes, but also because of the different factors which influence or modify the volumetric pressure scheme of the metal material at rolling. For the research of these difficult phenomena the author of the paper conceives an original appliance which allows experiments in order to reach conclusions for the rolling theory among equal diameter cylinders, but also for the industrial practice."
Published Version
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