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Method for coating CBN cutter material

A tool material and coating technology, which is applied in metal material coating process, coating, ion implantation plating, etc., can solve the problem of poor electrical conductivity, difficulty in improving PVD coating adhesion, and inability to control ions Problems such as cleaning, ion implantation adhesion and coating internal stress, etc., to achieve the effects that are beneficial to processing and production, good wear resistance and low cost

Inactive Publication Date: 2021-03-30
东莞市普拉提纳米科技有限公司
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  • Application Information

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Problems solved by technology

[0002] The hardness of CBN material is similar to that of diamond atomic structure, and its chemical properties are also similar. Its poor electrical conductivity makes it difficult to improve the adhesion of PVD coatings. Due to poor electrical conductivity, the negative bias voltage provided on the product cannot be effective. For ion bombardment cleaning and effective positive ion implantation coating, the general traditional PVD coating process cannot adhere to the CBN material with sufficient strength, so that the internal stress of the coating is greater than the adhesion strength and the film and CBN substrate Peeling off, there are very few manufacturers in the market that can make CNB material coated with PVD high-hard coating technology well, and they are concentrated in foreign blade manufacturers, unable to control the process of ion cleaning, ion implantation and coating internal stress; In response to these defects, it is necessary to design a method of coating on CBN tool materials

Method used

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  • Method for coating CBN cutter material

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] see figure 1 , the present invention provides a technical solution: a method for coating on a CBN cutting tool material, comprising step 1, CBN processing; step 2, ion bombardment cleaning; step 3, bottom layer growth; step 4, transition bearing layer; Step five, coating stage treatment;

[0028] Wherein in above-mentioned step one, CBN processing comprises the following steps:

[0029] 1) Manually detect the nature and style of the CBN tool material,...

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Abstract

The invention discloses a method for coating a CBN cutter material. The method comprises the following steps of step 1, CBN processing; step 2, ion bombardment cleaning; step 3, priming coat crystal growth; step 4, bearing layer transition; and step 5, coating stage treatment, wherein in the step 1, the property and style of the CBN cutter material are manually detected, a target material raw material is selected to be coated on a proper CBN cutter material, and the target material raw material is put into a plasma gun. The method for coating the CBN cutter material is easy to operate and lowin cost, a cylindrical arc technology is adopted, the high-hardness coating is applied to a CBN blade, hardware understanding and technological parameter design are combined, the adhesiveness can be improved on the CBN material, the adhesion strength can be comparable with that of steel, the film hardness is extremely high, and the advantages of good wear resistance and high temperature resistanceare achieved, so that the method is suitable for super-hard dry type cutting process, the process is simple and rigorous, the raw materials are cheap, the cost is low, and the production cost is greatly saved.

Description

technical field [0001] The invention relates to the technical field of CBN cutting tool materials, in particular to a coating method on CBN cutting tool materials. Background technique [0002] The hardness of CBN material is similar to that of diamond atomic structure, and its chemical properties are also similar. Its poor electrical conductivity makes it difficult to improve the adhesion of PVD coatings. Due to poor electrical conductivity, the negative bias voltage provided on the product cannot be effective. For ion bombardment cleaning and effective positive ion implantation coating, the general traditional PVD coating process cannot adhere to the CBN material with sufficient strength, so that the internal stress of the coating is greater than the adhesion strength and the film and CBN substrate Peeling off, there are very few manufacturers in the market that can make CNB material coated with PVD high-hard coating technology well, and they are concentrated in foreign bl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/06C23C14/24C23C14/02
CPCC23C14/0641C23C14/022C23C14/025C23C14/24C23C14/0021
Inventor 刘成斌黄明章
Owner 东莞市普拉提纳米科技有限公司
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