BUILTUP ROLLING ROLL Russian patent published in 2003 - IPC

FIELD: manufacture of rolling equipment, namely of rolling rolls. SUBSTANCE: builtup rolling roll includes arbor with non-driven and drive journals; bandage having annular turnings in end portions and fit onto arbor with gap. End portions of bandage are tightened with arbor by means of interference-fit rings. Arbor includes shoulder at side of drive journal. End portions of bandage along width corresponding to width of tightening rings are fit with interference on arbor of roll. Relation of interference-fit values of systems tightening ring-bandage and bandage-roll arbor is determined depending upon size and materials of roll arbor, of bandage and of tightening rings and depending upon admissible rolling moment. EFFECT: enhanced strength of roll, improved working conditions of bandage and tightening rings due to reduced necessary interference-fit value of tightening rings in end portions of bandage, enlarged assortment of materials of tightening rings, improved operational safety of roll at changing interference fit of tightening rings when roll is heated and reground. 2 cl, 1 dwg, 2 tbl, 1 ex _