OPERATING MILL STAND OF LENGTHWISE ROLLING Russian patent published in 2009 - IPC B21B17/00 

FIELD: metallurgy.

SUBSTANCE: operating mill stand of lengthwise rolling contains body, installed in it each 120° and having individual drive, three rollers with bearing assembly, cushions and cross bars and radial regulation mechanism of rollers. Mill body corresponds two round plates with guide ways and outfitted by located in these guide ways three cartridges, in each of it is located roller with bearing assembly, cushions and cross bars. Mechanism of rollers radial regulation is implemented in the form of three couples of screws tightening cartridges to each other and forming two equilateral triangle, each of it cooperates through ball washers with located in cartridge nuts and outfitted on its ends balance mechanism, and in the form of located in hydraulic actuator cartridges, bearing through spherical step-bearing on cross bars.

EFFECT: simplification of roll space setting, mill hardening, reduction of steel intensity and overall dimensions of mill and of all lengthwise rolling stand totally, enhanced accuracy of received products.

3 dwg