The instrument geometrical parameters calculation theory for the pressure processing of the round-rolled surface


The problem of round-rolled surface products improving quality by reducing roughness and waviness is solved. Traditionally, grinding is used to improve the surface quality, but at the same time new defects appear in the form of cracks, tinge colours and the abrasive particles infiltration into the surface layer. Surface pressure processing instead of grinding is not associated with such defects, therefore, it is proposed to use a transverse rolling. Rolling rational profile for transverse rolling of round-rolled surface was theoretically determined. Analytical dependences were obtained for rolls in cage with support rings calibration calculations. Such calibration use ensures uniform deterioration of rolls and rings bearing surfaces, as well as the rolls balance with their one-sided load during rolling. A parametric analysis of the deformation conditions effect on the rolls geometry was performed. The conditions when rolls profile can be limited to a circle or a straight line were considered. The obtained results were used in rolls profiling for drawing the rolling surface in laboratory and industrial conditions. © Published under licence by IOP Publishing Ltd

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Institutional repository of Ural Federal University named after the first President of Russia B.N.Yeltsin

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oai:elar.urfu.ru:10995/92435Last time updated on 11/19/2020

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