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Method for texturing surface of strip-casting crystallization roller

A technology of continuous casting crystallization and crystallization rolls, which is applied in the field of strip steel casting, can solve problems such as low efficiency, and achieve strong controllability, uniform and regular appearance

Active Publication Date: 2013-04-24
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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  • Method for texturing surface of strip-casting crystallization roller
  • Method for texturing surface of strip-casting crystallization roller
  • Method for texturing surface of strip-casting crystallization roller

Examples

Experimental program
Comparison scheme
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Embodiment 1-6

[0032] The hemispherical or ellipsoidal cone textured tip in the embodiment of the present invention 1-6 and by such as figure 1 and figure 2 The connection shown is connected to a high-frequency impactor. figure 1 Among them, the hemispherical textured tip 4 is fixedly connected with the fixed rod 3, the fixed rod 3 is connected with 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 the high-frequency impactor. In addition, the textured tip can also be as figure 2 The ellipsoidal conical textured tip 4' is shown.

[0033] like image 3 As shown, during the texturing process, the texturing tip is close to the surface of the crystallization roller 6, and together with the high-frequency impactor 5 connected to it, makes a linear motion at the speed of v on the surface of the crystallization roller 6 along its axial direction, Driven by the high-frequency impactor 5, the other side impacts the s...

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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 surface treatment method for a crystal roll used in the thin strip steel casting process. Background technique [0002] Thin strip continuous casting technology is a technology that directly condenses molten steel into a thin strip through a pair of counter-rotating crystallization rollers. In this technology, the thin strip continuous casting crystallization roll plays a key role. The surface of the crystallization roll is in direct contact with the molten steel, and its surface texture directly affects the casting process of thin strip continuous casting and the quality of strip steel. Therefore, it is One of the key technologies of thin strip continuous casting. The texture of the thin strip continuous casting crystallization roll is realized by the texture method. The texturing technology of roller parts can be divided into three categories according to the processing princ...

Claims

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Application Information

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Patent Type & Authority Patents(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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