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Continuous casting apparatus and method

A technology of casting equipment and castings, applied in the direction of metal rolling, etc., can solve the problems of casting production errors, affecting the casting manufacturing environment, etc., and achieve the effect of reducing differences and preventing damage

Inactive Publication Date: 2019-08-09
POHANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, the influence of the weight and temperature of the casting may affect the manufacturing environment of the casting, and such influence may cause errors in the production of the casting

Method used

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  • Continuous casting apparatus and method
  • Continuous casting apparatus and method
  • Continuous casting apparatus and method

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Embodiment Construction

[0031] Hereinafter, preferred embodiments of the present disclosure will be described with reference to the accompanying drawings.

[0032] However, the embodiments of the present disclosure may be modified into various other forms, and the scope of the present disclosure may not be limited to the embodiments described below. Also, the embodiments of the present disclosure may be provided to more fully explain the present disclosure to those skilled in the art. It should be understood that the various embodiments of the present disclosure may be different but are not necessarily mutually exclusive.

[0033] In addition, "comprising" or "comprising" elements means that other elements may be included rather than excluded, unless otherwise specifically stated.

[0034] figure 1 is a view illustrating the state of the continuous casting apparatus according to the embodiment of the present disclosure.

[0035] will refer to figure 1 Continuous casting is described with the exam...

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Abstract

According to one technical aspect of the present invention, a continuous casting method is performed in a continuous casting apparatus having a plurality of segments continuously provided, so as to continuously cast a slab drawn from a mold, and can comprise the steps of: rough milling the slab by setting a roll gap difference between an input side cylinder and an output side cylinder of an N-th segment as a first roll gap difference when the slab is drawn from the mold; and variably reducing the thickness of the slab by setting the roll gap difference between the input side cylinder and the output side cylinder of the N-th segment as a second roll gap difference smaller than the first roll gap difference, when the slab is not drawn from the mold. The second roll gap difference can changeaccording to a distance between the end of the slab and the N-th segment.

Description

technical field [0001] The present invention relates to continuous casting equipment and continuous casting method. Background technique [0002] Continuous casting technology is being developed as a steel manufacturing technology. Such a continuous casting technique has the advantage that it is able to carry out the continuous casting process with relatively large cross-sections and to produce castings several times larger than conventional casting plants. [0003] Meanwhile, since castings in the continuous casting technology have a relatively large size and a relatively long distance, the weight of the castings may be relatively heavy, weighing tens of tons. Therefore, the influence of the weight and temperature of the casting may affect the manufacturing environment of the casting, and such effects may lead to errors in the production of the casting. [0004] Such prior art can be easily understood with reference to Korean Patent Publication No. 2015-0073760, Korean Pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/20B22D11/128
CPCB21B1/46B22D11/1206B22D11/1282B22D11/1287B22D11/207
Inventor 金东镇辛基泰
Owner POHANG IRON & STEEL CO LTD
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