HIGH-SPEED SHEARS FOR CROSS CUTTING OF ROLLED STRIP Russian patent published in 2003 - IPC

FIELD: flying shears designed for cutting hot rolled strip. SUBSTANCE: shears have two drums arranged mutually opposite. Drums are made with possibility of speeding up by means at least of one drive unit until speed value corresponding to strip feeding speed. In one drum at least one cutter is mounted; cutter may have predetermined curvature. Second drum is provided with stop engaging with said cutter. Shears have at least one controlled mounting device corresponding at least to one drum. It is possible to use portion of jacket of second drum as stop. Drums and mounting device may be made with possibility of electric or electronic synchronization of their operation. It provides enhanced accuracy of cutting strip moving at speed up to 30 m/s and having minimum thickness. EFFECT: enhanced accuracy of shearing strip. 5 cl, 4 dwg