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Method of thin strip casting

A technology of continuous casting and casting rolls, applied in the field of thin strip manufacturing, can solve problems such as ineffective reduction

Active Publication Date: 2019-05-03
NUCOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Triple point pouring is not effective in reducing the formation of these nodules during casting

Method used

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  • Method of thin strip casting
  • Method of thin strip casting
  • Method of thin strip casting

Examples

Experimental program
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Embodiment Construction

[0047] now refer to figure 1 and figure 2 , in an exemplary embodiment, a twin-roll continuous caster for continuous casting of thin steel strip is shown, which is an oscillating feature that can employ side dams, side dam frames, and side dams One of many continuous casting machines, because any continuous casting machine using side baffles can use the mechanism and method described herein. In the illustrated embodiment, a mainframe 10 rises from the plant floor and supports a roll cassette module 11 on which are mounted a pair of counter-rotatable casting rolls 12 . Casting rolls 12 having casting surfaces 12A are arranged transversely to form a nip 18 therebetween. The roll cassette 11 facilitates the rapid movement of the casting rolls 12 as a unit from the ready position to the working casting position and facilitates the quick removal of the casting rolls from the casting position when the casting rolls need to be replaced. The configuration of the roll box can be se...

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PUM

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Abstract

An apparatus for continuous casting metal strip reducing snake eggs comprising a pair of counter rotating casting rolls, each roll less than 800 millimeters in diameter and positioned to form a nip there between through which thin strip can be cast; a metal delivery system disposed above the nip and capable of discharging molten metal to form a casting pool supported on the rolls; a pair of side dam holders and a pair of side dams assembled adjacent each end portion of the rolls, each side dam holder tapered along edge portions to dovetail with an adjacent side dam, and each side dam adapted to confine the casting pool of molten metal supported on casting surfaces of the rolls; an oscillation mechanism adapted to cause lateral oscillation of each side dam and side dam holder at a frequency2-50 hertz and with an amplitude 100-2000 Mum during a casting campaign.

Description

[0001] References to related applications [0002] This application claims priority to and benefit of U.S. Provisional Patent Application 62 / 373,086 filed with the U.S. Patent Office on August 10, 2016, which is hereby incorporated by reference. technical field [0003] This invention relates to the manufacture of thin strip, and more particularly to the casting of thin strip using a twin roll continuous caster. Background technique [0004] It is known to cast metal strip by continuous casting in a twin roll caster. Molten metal is introduced between a pair of counter-rotating horizontal casting rolls that are internally cooled so that the metal shells solidify on the moving roll surfaces and come together at the nip between the casting rolls, producing The solidified belt product conveyed down the nip between the casting rolls. The term "nip" is used herein to refer to the general area where the rolls are closest together. The molten metal is conveyed from the ladle int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/06
CPCB22D11/0622B22D11/066B22D11/1206B22D27/003B22D11/114
Inventor M.施利希廷V.麦肯纳A.德诺J.M.托马斯P.M.费蒂格H.B.雷斯N.科雷亚M.庞德
Owner NUCOR CORP