Z-PROFILE EDITING METHOD Russian patent published in 2023 - IPC B21D3/05 

FIELD: rolling production.

SUBSTANCE: invention relates to rolling production and can be used when straightening shaped profiles in a horizontal type roller straightening machine with adjustment of the axial displacement of the rollers. A load is created on the wall and shelves of the profile by bandages of the rollers of the passes of the roller straightening machine. In this case, bandages are used with a groove bored out in the rib cavities, having a depth of 2 to 10 mm and a width of 15 to 40 mm. Pairwise axial displacement of the roller bandages relative to the straightening line is carried out to provide a zone of contact between the bandages and the shelves in turn. First, a zone of contact of the lower bandage with the support shelf of the Z profile is created with the creation of a dispersed force. Then, a zone of contact of the upper bandage with the welded flange of the Z profile is provided with the creation of a dispersed force.

EFFECT: reduced curvature defects, full straightening in fewer passes and increased durability of roller tyres.

1 cl, 2 dwg