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Method and device for continuously producing a thin metal strip

A metal strip and thin metal technology, which is used in the field of hot-rolled strip and the production of hot-rolled strip with a continuous casting thickness of less than 6 mm, which can solve the problems of wear of processing rolls, strip shape defects, and increase in the size of strip edge areas. big problem

Active Publication Date: 2007-09-19
PRIMETALS TECH AUSTRIA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, the high roughness of the metal strip caused by the casting operation and by any scale leads to a lot of wear of the processing rolls
This phenomenon of wear of the processing rolls causes an increase in the size of the edge zone of the strip and leads to defects in the shape of the strip

Method used

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  • Method and device for continuously producing a thin metal strip
  • Method and device for continuously producing a thin metal strip

Examples

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Embodiment Construction

[0066] Figures 1 and 2 show, in schematic longitudinal section, two embodiments of a plant for the manufacture of hot-rolled strip, including the main components of the plant, as well as the common flatness for thin hot-rolled strip Measuring and adjusting devices for the manufacture of this thin hot-rolled strip within tolerances. The basic structure of the equipment is the same when used to manufacture non-ferrous metal strip.

[0067] In a twin-roll casting plant 1, molten steel is fed into a melting space 4 consisting of two internally cooled (internal cooling) counter-rotating casting rolls 2 and two side plates positioned end-to-side on the casting rolls 3, the cast strip 5 having a predetermined cross-sectional form is output vertically downward from the casting gap formed by the casting roll 2 and the side plate 3. After the strip has been diverted into the horizontal conveying direction, the cast strip undergoes thickness reduction and microstructural modification in...

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Abstract

The invention relates to a method for continuously producing a thin metal strip, particularly a steel hot-rolled strip, directly from a metal melt and with a strip casting thickness of < 10 mm after the roll casting process. The cast metal strip is fed to an in-line thickness reduction and to a storage device afterwards. The aim of the invention is to achieve, in a continuous production process, directly from the metal melt and with a low strip casting thickness, a high-quality hot-rolled metal strip with comparable flatness tolerances that, at present, can be obtained during the production of hot-rolled metal strip from continuously cast thin slabs or slabs, with casting thicknesses ranging from 40 to 300 mm. To this end, a measurement of flatness is carried out on the moving metal strip, and the measurement results of this measurement of flatness are drawn upon for specifically influencing the flatness of the metal strip.

Description

technical field [0001] The invention relates to a method and a plant for the continuous production of thin metal strip, especially hot-rolled steel strip, wherein the metal strip is produced directly from molten metal and strip cast after the casting-rolling process with a casting-rolling plant The thickness is less than 10mm. [0002] More specifically, the present invention relates to a method and an apparatus for manufacturing hot-rolled steel strip with a continuous strip casting thickness of less than 6 mm. When the hot-rolled strip is stored after rolling deformation, the thickness of the hot-rolled strip is between 0.3 and 4 mm. Background technique [0003] The casting-rolling process on which the proposed invention is based includes all types of casting-rolling processes in which molten metal solidifies on the outer surfaces of casting rolls to continuously form metal strips. Both a single-roll casting method using a single-roll casting device and a vertical or ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/46B22D11/06B21B37/28
CPCB21B2263/02B21B37/44B21B38/02B22D11/0622B21B37/28Y10T29/49991B21B1/463B21B2263/04B21B2261/21B22D11/06B21B1/46
Inventor 安德鲁斯·弗里克安德鲁斯·施魏格霍费尔马库斯·布鲁迈尔杰拉尔德·霍恩比希勒热拉尔德·埃克施托费尔
Owner PRIMETALS TECH AUSTRIA GMBH
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