A cold -shaped steel plate cutting and warping method and equipment

Abstract

The invention discloses a method and equipment for controlling warping defects of cold-formed steel plates, belonging to the technical field of cold-formed steel plates, and is characterized in that it includes the adjustment of the fine straightening machine and the pressure adjustment of the sizing roller; the adjustment of the fine straightening machine includes pressing Roll adjustment, corner adjustment and support roll adjustment; reduction adjustment, when producing cold-formed steel plates with a thickness of 0.8-1.2mm, the setting range of the roll gap value is -2.0mm~-1.5mm; when producing 0.8-1.2mm thickness When cold forming steel plates according to specifications, according to the order from the working side to the driving side, the positions of the upper support rollers are 60mm, 50mm, 40mm, 50mm, 60mm, and the positions of the lower support rollers are 60mm, 50mm, 40mm, 50mm, 60mm; The pressure value of the size roller is 0.10-0.15MPa. Compared with the prior art, the cutting warping defect of the cold-formed steel plate can be reduced.

Description

Technical field [0001] The present invention relates to a cold forming steel plate production technology, in particular a cold forming steel plate cutting warpage defect control method and equipment. Background [0002] The cold-formed steel plate with ESP headless rolled ultra-thin hot-rolled strip as raw material obtains good surface and product performance through continuous pickling, flattening and straightening, and replaces some traditional cold-rolled products for the end market and users. Compared with the traditional cold rolling, there is a lack of annealing process, the product has residual stress, the thickness is less than 1.2mm, and the steel plate after being opened and leveled by the cross-cutting unit has warpage problems when the user terminal cutting application, resulting in normal use. At present, in the production process of cold forming steel plates, when producing cold formed steel plates below 1.2mm, the residual stress cannot be evenly released or elimi...

AI Technical Summary

Problems solved by technology

Compared with the traditional cold rolling, the annealing process is lacking, the product has residual stress, and the thickness is less than 1.2mm. The steel plate after being flattened by the cross-cutting unit has warping problems when it is cut and applied by the user terminal, resulting in it being unable to be used normally.

At present, in the production process of cold-formed steel plates, when producing cold-formed steel plates with specifications below 1.2mm, the residual stress cannot be evenly released or eliminated, and when the steel plates are cut longitudinally, cutting warpage defects of different degrees appear

Images