FIELD: processes and equipment for working sheet material. SUBSTANCE: method comprises steps of working sheet material between two rollers rotating around respective mutually parallel axes and engaging one with another according to law defined by three-dimensional connection of said two rollers; immediately controlling three- dimensional connection at process of using it according to predetermined law due to regulating position of above mentioned axes of rollers by changing variable electromagnetic field acting upon drive unit that may be made of electrostrictive or magnetostrictive material and is arranged between said rollers. EFFECT: lowered operational cost, enhanced working quality due to accurate regulation of three-dimensional connection of rollers. 17 cl, 2 dwg
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