Aluminum dam roller with wear-resistant nano-cermet coating resistant to roughness reduction

Abstract

The invention belongs to the technical field of nanotechnology, and particularly relates to an aluminum dam roller with a wear-resistant nano metal ceramic coating capable of resisting roughness reduction. The aluminum dam roller with the abrasion-resistant nanometer metal ceramic coating capable of resisting roughness reduction comprises a roller body, the roller body is a cylinder, the surface of the roller body is coated with the abrasion-resistant nanometer metal ceramic coating, and the nanometer metal ceramic coating sequentially comprises a base layer, a bonding layer and a functional layer from inside to outside. The functional layer is a nano tungsten carbide coating; and the roller body mounting shafts are positioned at two ends of the roller body. According to the wear-resistant nano metal ceramic coating provided by the invention, the roughness of the surface can be better maintained, and the friction coefficient of the surface of the dam roller is increased. And nano-scale tungsten carbide can be effectively coated on the surface of the dam roller.

Description

Technical Field

[0001] The invention belongs to the field of nanotechnology, and in particular relates to an aluminum dam roller with a wear-resistant nano metal ceramic coating with reduced roughness. Background Art

[0002] With the continuous development of the manufacturing industry, the demand for steel, as an indispensable material in the manufacturing industry, is growing day by day. As a steel production equipment, steel rolling mills are widely used in various steel production fields. Many rolling mills have dam rollers installed on the crossbeams between the archways on the exit side of the internal racks to maintain the wrap angle of the strip to the tensiometer roller and remove the emulsion adhering to the surface of the strip. The existing dam rollers have poor wear resistance, and their surface roughness will be significantly reduced after use, resulting in reduced friction. Summary of the invention

[0003] In order to solve the above problems, the present invention adopts the following technical solutions:

[0004] Aluminum dam roller with wear-resistant nano-metal ceramic coating with roughness reduction, comprising

[0005] Roller body, the roller body is a cylinder, and the surface of the roller body is coated with a wear-resistant nano-metal ceramic coating, the nano-metal ceramic coating is composed of a base layer, an adhesive layer, and a functional layer from the inside to the outside, and the functional layer is a nano-tungsten carbide coating;

[0006] The roller body mounting shaft is located at both ends of the roller body.

[0007] In some embodiments, the primer layer is a nickel-chromium coating.

[0008] In some embodiments, the nickel content of the nickel-chromium coating is 30% to 40%, and the chromium content is 15% to 25%.

[0009] In some embodiments, the wear-resistant nano-metal ceramic coating is sprayed onto the outer wall of the roller body by supersonic spraying.

[0010] In some embodiments, the roller body is made of aluminum.

[0011] In some embodiments, roller mounting shafts are provided at both ends of the roller body, and the roller mounting shafts are provided with limiting grooves.

[0012] The beneficial effects of the present invention are:

[0013] The wear-resistant nano-metal ceramic coating provided by the present invention can better maintain the surface roughness and improve the friction coefficient of the dam roller surface, and can effectively coat nano-scale tungsten carbide on the dam roller surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the structure of the aluminum dam roller;

[0015] Figure 2 A partial cross-sectional view of a roller body being coated.

[0016] In the figure:

[0017] 100 roller body, 200 roller body mounting shaft, 210 limiting groove, 300 wear-resistant nano-metal ceramic coating, 310 base layer, 320 bonding layer, 330 functional layer. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Aluminum dam roller with wear-resistant nano-metal ceramic coating with roughness reduction, comprising

[0020] The roller body 100 is a cylinder, and the surface of the roller body 100 is coated with a wear-resistant nano-metal ceramic coating 300, and the nano-metal ceramic coating 300 is composed of a base layer 310, an adhesive layer 320, and a functional layer 330 from the inside to the outside, and the functional layer 330 is a nano-tungsten carbide coating;

[0021] The roller body mounting shaft 200 is located at both ends of the roller body 100 .

[0022] In some embodiments, the primer layer 310 is a nickel-chromium coating.

[0023] In some embodiments, the nickel content of the nickel-chromium coating is 30% to 40%, and the chromium content is 15% to 25%.

[0024] In some embodiments, the wear-resistant nano-metal ceramic coating is sprayed onto the outer wall of the roller body 100 by supersonic spraying.

[0025] In some embodiments, the roller body 100 is made of aluminum.

[0026] In some embodiments, roller body mounting shafts 200 are further provided at both ends of the roller body 100 , and the roller body mounting shafts 200 are provided with limiting grooves 210 .

[0027] The wear-resistant nano-metal ceramic coating provided by the present invention can better maintain the surface roughness and improve the friction coefficient of the dam roller surface, and can effectively coat nano-scale tungsten carbide on the dam roller surface.

[0028] It will be clear to those skilled in the art that various modifications to the above embodiments may be made without departing from the overall spirit and concept of the present invention. All of these modifications fall within the scope of protection of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.

Claims

1. Aluminum dam roller with wear-resistant nano-metal ceramic coating with reduced roughness, characterized in that include A roller body (100), wherein the roller body (100) is a cylinder, and a wear-resistant nano-metal ceramic coating (300) is coated on the surface of the roller body (100), wherein the nano-metal ceramic coating (300) comprises, from inside to outside, a base layer (310), an adhesive layer (320), and a functional layer (330), and the functional layer (330) is a nano-tungsten carbide coating; The roller body mounting shaft (200) is located at both ends of the roller body (100).

2. The aluminum dam roller having a wear-resistant nano-metal ceramic coating with reduced roughness according to claim 1, characterized in that: The primer layer (310) is a nickel-chromium coating.

3. The aluminum dam roller having a wear-resistant nano-metal ceramic coating with reduced roughness according to claim 2, characterized in that: The nickel content in the nickel-chromium coating is 30% to 40%, and the chromium content is 15% to 25%.

4. The aluminum dam roller having a wear-resistant nano-metal ceramic coating with reduced roughness according to claim 1, characterized in that: The wear-resistant nano-metal ceramic coating is sprayed onto the outer wall of the roller body (100) by supersonic spraying.

5. The aluminum dam roller having a wear-resistant nano-metal ceramic coating with reduced roughness according to claim 1, characterized in that: The material of the roller body (100) is aluminum.

6. The wear-resistant nano-metal ceramic coating with roughness reduction for an aluminum dam roller according to claim 1, characterized in that: Roller body installation shafts (200) are also provided at both ends of the roller body (100), and the roller body installation shafts (200) are provided with limiting grooves (210).

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