Method for lubricating and cooling finish rolling side guide plate

Abstract

The invention relates to the technical field of steel rolling processes and discloses a method for lubricating and cooling a finish rolling slide guide plate. The method comprises the following steps of: arranging hot rolling oil collecting tubes on an upper edge of the finish rolling side guide plate of a lower rack of a finishing mill, wherein the distribution direction of the hot rolling oil collecting tubes is parallel to the side guide plate; and arranging a plurality of hot rolling oil nozzles on each of the hot rolling oil collecting tubes so that the spray range of hot rolling oil can cover the whole side guide plate of a guide ruler, wherein the included angle between the hot rolling oil nozzles and the side guide plate is 15 to 30 DEG, and simultaneously the hot rolling oil nozzles cannot exceed a lower end face of the upper edge of the side guide plate. Compared with the prior art, the method for lubricating and cooling the finish rolling slide guide plate has the advantages of effectively lubricating and cooling the finish rolling side guide plate of the lower rack, obviously reducing the abrasion and wear of the side guide plate, prolonging the service life of the side guide plate by two times, obviously reducing disadvantages of splits and scars on edges of steel bands, and obviously improving the surface quality of products.

Description

technical field [0001] The invention relates to the technical field of steel rolling technology, and relates to a method for lubricating and cooling a finish rolling side guide plate. Background technique [0002] During hot continuous rolling, the scraping between the strip steel and the side guide plate of the finishing mill leads to accelerated wear of the side guide plate, and the contact between the strip steel and the severely worn side guide plate is prone to edge crack defects. At the same time, during the scraping process, the side guide plate The sticky iron gradually remains, and the residue falls on the surface of the subsequent strip, and is pressed into the steel plate by the rolling mill, forming scarring defects. Contents of the invention [0003] In order to reduce the wear of the opposite side guide plate of the strip steel and reduce the defects of cracks and scabs at the edge of the strip steel, the invention provides a method for lubricating and coolin...

AI Technical Summary

Problems solved by technology

[0002] During hot continuous rolling, the scraping between the strip steel and the side guide plate of the finishing mill leads to accelerated wear of the side guide plate, and the contact between the strip steel and the severely worn side guide plate is prone to edge crack defects. At the same time, during the scraping process, the side guide plate The sticky iron gradually remains, and the residue falls on the surface of the subsequent strip, and is pressed into the steel plate by the rolling mill, forming scarring defects

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