ROLL AND SPINDLE JOINING UNIT Russian patent published in 1998 - IPC

FIELD: foundry, in particular, mill rolls drive transmission. SUBSTANCE: roll and spindle joining unit has drive roll shank made in the form of two cylindrical centering parts and torque transmitting part positioned between centering parts, casing with wall dividing it into coupling part and pivotal part and spindle body. Dividing wall is made in the form of sleeve whose bottom is oriented toward spindle body and cavity is adapted for receiving cylindrical centering part end of roll shank, with length of centering part intersecting central plane of pivotal part. Dividing wall is arranged in related cavity of spindle body in spaced relation with it, with space providing mutual misalignment of spindle body and casing. EFFECT: enhanced reliability in operation of mill main drive, increased strength of rolls and improved quality of rolling metal. 2 dwg