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Surface Texturization of Thin Strip Continuous Casting Crystal Roller

A technology of continuous casting crystallization and crystallization roll, applied in the field of strip steel casting, can solve problems such as low efficiency, and achieve the effects of strong controllability, uniform appearance and regularity

Active Publication Date: 2011-11-30
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this texturization method is also the low efficiency

Method used

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  • Surface Texturization of Thin Strip Continuous Casting Crystal Roller
  • Surface Texturization of Thin Strip Continuous Casting Crystal Roller
  • Surface Texturization of Thin Strip Continuous Casting Crystal Roller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0032] The hemispherical or ellipsoidal cone-shaped texture tip in the embodiments 1-6 of the present invention is compared with figure 1 with figure 2 The connector shown is connected to a high-frequency impactor. figure 1 Among them, the hemispherical textured tip 4 is fixedly connected to the fixed rod 3, the fixed rod 3 is connected to one end of the connecting rod 1 through the locking cap 2, and the other end of the connecting rod 1 is used for connecting with a high-frequency impactor. In addition, the hairy tip can also be like figure 2 The ellipsoid cone-shaped texturing tip 4'is shown.

[0033] Such as image 3 As shown, during the texturing process, one side of the texturing tip is close to the surface of the crystallizing roller 6, and together with the high-frequency impactor 5 connected to it, the surface of the crystallizing roller 6 moves linearly with a speed of v along its axial direction. The other side is driven by the high-frequency impactor 5 to impact on t...

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Abstract

The invention discloses a method for texturing the surface of a strip-casting crystallization roller. During rotation of the crystallization roller, a hemispheric or ellipsoidal conical texture point is attached to the surface of the crystallization roller and linearly moves along the axial direction of the crystallization roller at a certain speed v, wherein the texture point is hemispheric or ellipsoidal conical; a high-frequency impactor drives the texture point which is fixedly connected with the high-frequency impactor to impact the surface of the crystallization roller with a certain impact strength along the radial direction of the crystallization roller; and spherical crown-shaped or circular pits which are uniformly distributed linearly are formed in the surface of the crystallization roller. The method has quite high controllability. By controlling the oscillation frequency and amplitude of the high-frequency impactor, the linear speed of the texture point and the rotating speed of the crystallization roller, the texturing control process can be quantified, so that the appearance of the surface of the crystallization roller is more uniform and more regular.

Description

Technical field [0001] The invention relates to a strip steel casting method, in particular to a crystal roll surface treatment method used in the thin strip steel casting process. Background technique [0002] Thin strip continuous casting technology is a process technology in which liquid molten steel is directly condensed into a thin strip through a pair of counter-rotating crystallizing rollers. In this technology, the key role is the thin strip continuous casting crystallizing roller. The surface of the crystal roller is in direct contact with molten steel, and its surface texture directly affects the casting process and the quality of the strip steel. One of the key technologies of thin strip continuous casting. The texture of the thin strip continuous casting crystallizing roll is realized by the texturing method. The texturing technology of rollers can be divided into three categories based on the processing principle: one is physical processing methods, including shot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/06
Inventor 张俊宝梁永立张宇军史弼
Owner BAOSHAN IRON & STEEL CO LTD
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