FIELD: plastic working of metals, possibly in two-high rolling stands of screw rolling mills with closed type housing.
SUBSTANCE: rolling stand includes: frame; supporting struts; closed housing jointly secured to frame with possibility of rotation by 90° around axis normal to rolling axis and carrying two cartridges with rolling rolls, two screw down mechanisms, guide units and apparatus with two hydraulic cylinders for rotating housing in vertical plane. Frame is in the form of supporting platforms protruding outside lengthwise dimensions of housing. Supporting struts are mounted on supporting platforms of frame. Ports for bodies of hydraulic cylinders are provided in said platforms. Rods of hydraulic cylinders through stirrups and cylindrical pins are joined with housing.
EFFECT: possibility for shortening idle periods of equipment caused by roll changing, increased annual efficiency of screw rolling mill.
7 dwg
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