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Method for producing metal

A technology of metal and cooling section, applied to the equipment for manufacturing metal, and the metal produced. In the field, it can solve the problem of insufficient reliable characteristics or material characteristics of thermoformed metals, and achieve the effect of improved accuracy and high adjustment accuracy

Inactive Publication Date: 2007-10-17
SIEMENS AG
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  • Abstract
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Problems solved by technology

[0003] Hot-formed metals manufactured and cooled according to known methods often do not satisfy or do not satisfy sufficiently reliably the properties or material properties required for their subsequent use

Method used

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  • Method for producing metal
  • Method for producing metal
  • Method for producing metal

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Embodiment Construction

[0030] FIG. 1 shows a cooling section 5 and a computing device 3 for controlling or regulating and modeling the cooling section 5 . In the exemplary embodiment shown, the hot-formed metal 1 is removed from the rolling mill stand 4 at a velocity v in the direction of movement x of the strip. The rolling stand 4 is, for example, the last rolling stand of a so-called finishing train. However, other different deformation or processing devices for the metal 11 can also be arranged upstream of the cooling section 5 . The cooling section 5 and possibly also one or more devices for deforming or processing the metal 11 arranged upstream and possibly downstream of the cooling section form the plant for producing the metal 11 . In the exemplary embodiment shown, a coiling device 12 is arranged after the cooling section 5 , by means of which coiling device 12 the cooled metal 1 is wound into coils. However, it is also possible to arrange other different devices for the treatment and / or ...

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Abstract

During the production of steel, a conversion model (10) is used for the cooling line (5). Said model is used to calculate the phase fractions (Pi), in addition to the temperature (T) of the steel, along the steel strip in real time. A regulating system, which maintains the phase fractions (Pi) of a steel strip that is wound onto a reeling device (12) at a constant level, is implemented. The method comprises the following steps: in a first step, the degree of conversion, for multi-phase steel e.g. the ferrite fraction, is determined from data obtained from the primary data (P) of the steel strip. In a second step, when the strip enters the cooling line (5), one or more parameters of the cooling strategy, i.e. control values (S), are adapted online in such a way that the ferrite content of the cooled steel on the reeling device (12) is maintained at a constant level.

Description

technical field [0001] The invention relates to a method for the production of metals, in which the hot-formed metal is cooled in a cooling section, and in a first step the cooling section model for the metal is used to calculate the temperature of the metal in the cooling section. temperature at at least one location and at least one phase fraction. Furthermore, the invention also relates to a computing device for correspondingly controlling and modeling the cooling section and a corresponding device for producing metal, as well as a correspondingly produced metal. Background technique [0002] German patent application DE 10129565 A1 discloses a cooling method for hot-rolled rolling stock, in particular metal strip. In this previously disclosed method, an initial temperature corresponding to the position of the rolling stock is detected before the cooling section, and the curve of the amount of cooling medium over time is obtained by means of the cooling section model and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/76C21D11/00C21D1/667C21D9/573
CPCC21D11/005B21B37/76C21D1/667C21D9/573
Inventor 克劳斯·温泽尔
Owner SIEMENS AG
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