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Why should cemented carbide products be sandblasting?

Views: 0     Author: Zhuzhou Jinding Cemented Carbide Co., Ltd     Publish Time: 2024-02-02      Origin: Site

Sandblasting or abrasive blasting is a surface treatment process commonly used for cemented carbide products for several reasons:

1. Surface Cleaning:

Sandblasting helps to remove contaminants, oxides, and residual materials from the surface of cemented carbide products. This cleaning process ensures that the surface is free from impurities before further treatments or coatings.

2. Surface Preparation:

The abrasive action of sandblasting creates a textured surface on the cemented carbide, improving its adhesion properties. This textured surface promotes better bonding when applying coatings, such as wear-resistant coatings or additional treatments.

3. Deburring:

During the manufacturing process, cemented carbide products may develop burrs, sharp edges, or excess material that needs to be removed. Sandblasting is effective in deburring and creating a smoother, more uniform surface.

4. Surface Roughening:

Sandblasting can be used to roughen the surface of cemented carbide, which is beneficial for certain applications. A roughened surface may enhance the grip or adhesion of certain materials or coatings, improving the overall performance of the product.

5. Enhancing Surface Finish:

Sandblasting can be used to achieve a specific surface finish or texture on cemented carbide products. This is important for applications where the appearance of the product or specific surface characteristics are critical.

6. Stress Relief:

Sandblasting can induce a controlled compressive stress on the surface of cemented carbide. This stress relief can be advantageous in certain applications to enhance the material's resistance to cracking or improve its overall durability.

7. Coating Adhesion:

For cemented carbide products that receive additional coatings, such as PVD (Physical Vapor Deposition) coatings, sandblasting provides a textured surface that improves the adhesion of these coatings. Proper coating adhesion is crucial for the performance and longevity of coated cemented carbide tools.

8. Aesthetics:

Sandblasting can be used for aesthetic reasons, providing a matte or textured appearance to the cemented carbide product. This can be important in consumer goods or applications where the visual appeal of the product is a consideration.

It's important to note that the specific reasons for sandblasting may vary depending on the intended application and the requirements of the final product. Sandblasting is often part of a series of manufacturing and finishing processes aimed at optimizing the performance, durability, and appearance of cemented carbide products.

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