Articles

Machining, Hard Coating

(Ceramic coating, Tungsten coating, Metal hard chrome)

The industry is continuously forced by economic and environmental reasons to improve the service life time of machines and components using optimized surface properties. Extremely wear and corrosion resistant coatings can be applied by thermal spraying processes without changing the properties of the base material.

The coating thickness will depend on the application, but generally will vary from 0.005 (0,127 mm) to 0.030 inch (0,762 mm).

The hardness of surface is determined by the coating being used. A hardness of 1200-1500 Vickers (approximately 70-75 Rockwell C) can be obtained with chromium oxide coatings. Generally, most applications will require a surface finish from 2 to 8 micro inch (0,05 to 0,20 microns) Ra.

Machining .

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Hard Coating.

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Hard Coating.

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Hard Coating.

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