LOOPER ROLL Russian patent published in 2009 - IPC B21B41/10 

FIELD: metallurgy industry.

SUBSTANCE: invention refers to rolling and can be used in power support devices of strip bar loop, and namely as looper roll between rolling mills of finishing group of broad-strip mill. Looper roll consists of a barrel with trunnions fixed on edges for bearing support. Roll barrel is provided with central cylindrical section (0.4-0.5)·B_min long and two symmetrical chamfers of the barrel (2-8)·mm deep for barrel radius, where B_min - minimum strip width.

EFFECT: invention provides increase of lateral stability of strip on looper roll, decrease of strip edges defects and variations of strip width because of its being tightened in the space between rolling mills, as well as increase of operation time of looper roll.

6 dwg