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Apparatus and method for rolling metal

A metal and metal sheet technology, applied in metal processing equipment, metal rolling, metal rolling, etc., can solve problems such as excessive debris, increased cost, and reduced surface finish of thin sheets

Active Publication Date: 2018-02-06
ARCINIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Higher reductions with EDT rolls in cold rolling can also lead to more chipping and reduced surface finish of the sheet produced either as a final product or as an intermediate product to undergo further processing
[0005] In addition, skin skin rolling after cold rolling adds another processing step, which increases the cost of the product

Method used

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  • Apparatus and method for rolling metal
  • Apparatus and method for rolling metal
  • Apparatus and method for rolling metal

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Embodiment Construction

[0082] Aspects of the present disclosure include the recognition that surface texturing occurs when the sheet to be textured is heated, for example, between 250-970°F to reduce rolling pressure and increase transfer; texturing can It is used to repair or improve damage to the surface and subcutaneous surface of the sheet or caused by upstream processes (such as cracks, scratches, cracks and dents adversely affected by conventional cold texturing), which results in Surface quality is improved by eliminating surface features or patterns incoming to the casting or rolling process; texturing can be applied as an intermediate step in rolling, followed by subsequent rolling passes in subsequent Texturization is improved and facilitates subsequent steps in the rolling process, such as compression rolling by heating or cooling rolls; the "rough" texture imparted by textured rolls with a "rough" surface can be used to repair surface defects, preparative For further processing of sheet ...

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Abstract

An apparatus and method for rolling aluminum sheet employs textured rolls to roll the sheet while the sheet is hot and has a reduced yield strength. Texturing rolls can be used at various stages of rolling to improve defects in the sheet and can be beneficial in subsequent rolling stages.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 61 / 991,973, filed May 12, 2014, entitled "Apparatus and Method for Rolling Aluminum," the disclosure of which is hereby incorporated by reference in its entirety. The above is incorporated in this application in its entirety. technical field [0003] This invention relates to the manufacture of sheet material, and more particularly to methods and apparatus for rolling metals such as aluminum and aluminum alloys into sheet and for producing sheet material having desired surface and subsurface properties. Background technique [0004] Various methods are known for rolling aluminum and for providing the final rolled sheet with a given surface texture. The surface texture can be imparted to the sheet surface by rolls having surfaces that have been textured by processes such as electrical discharge texturing (EDT), roll grinding, cross grinding, shot ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B37/74B21B27/02B21B1/26
CPCB21B37/74B21B1/227B21B27/005B21B2003/001B21B2265/14B21B2267/10Y10T29/49828B21B1/46B21B45/004B21B45/0215B21B45/0239B21B1/00
Inventor P·斯图尔特N·C·惠特尔D·马达拉肖恩·克拉克T·卡森J·怀斯李铭雷蒙德·J·基尔默
Owner ARCINIC INC