Metal Surface Finishing Services

Дискусия в 'Свободна дискусия' започната от Crawforddefine, 2/4/21.

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    Do you want your CNC parts to be more corrosion-resistant or to have a particular appearance? Metal finishing service is a must-have if you want your design to be flawless. Junying is an experienced finished parts manufacturer; our staff and craftsmen can provide precision CNC machining services as well as a variety of finishing services such as aluminum anodizing, painting, passivation, electroplating, powder coating, polishing, black oxide, conversion coating, abrasive blasting, and so on. The following are introductions to various forms of metal surface finishes.

    1. Anodizing (Anodized) is an electrolytic passivation process that forms a thin layer of metal oxide on the surface of CNC machined parts to increase the thickness of the natural oxide layer, protect the metal, add different colors, and enhance corrosion and abrasion resistance. While aluminum is the most commonly anodized material, and the benefits of anodized aluminum components are well known, many other metals, including stainless steel, copper, titanium, zinc, and magnesium, can be anodized.

    2. Passivation
    A popular chemical surface treatment method for steel and stainless steel involves applying a light coat of protective material to form a shell to increase corrosion resistance or minimize chemical reactivity. To avoid corrosion, stainless steel passivation removes free iron and ferrous contaminants from the metal surface with an acid solution.

    3. Plating (Electroplating) The method of using an electric current to minimize dissolved metal cations, allowing them to form a thin coherent metal coating on an electrode, in order to alter the properties of the metal surface or build up thickness for undersized sections. CNCLATHING also uses chrome plating, nickel plating, and other plating techniques.

    4. Painting
    Spraying paint, ink, or dye to a solid surface as a colored protective coating, which can be done on metal or non-metal CNC machined components of any form, and is most commonly used on aluminum, stainless steel, and steel alloy pieces. The aim is to enhance the cosmetic appearance while also preventing corrosion or oxidation.

    5. black oxidation (Hot Blackening)
    The black oxide coating, also known as blackening or gun bluing, is a chemical process that forms a black conversion coating on stainless steel, copper and copper-based alloys, brass, powdered metals, silver solder, and ferrous materials. It can increase corrosion resistance and reduce light reflection.

    6. Gleaming
    Polishing, also known as buffing, is a method that involves rubbing the surface of parts or using a chemical action to create a smooth and shiny surface, increase specular reflection, or minimize diffuse reflection in certain materials.

    7. Powder Coating
    The method of applying a practical and decorative finish that is applied as a free-flowing, dry powder and then cured under heat to produce a hard finish that is tougher than traditional paint. Household appliances, aluminum extrusions, drum hardware, truck, motorcycle, and bicycle parts are among the most common applications.

    8. Heat Therapy
    Heat treating is the method of modifying the condition of a metal by heating or cooling it, typically at high temperatures. Heat treating techniques include annealing, tempering, hardening, precipitation strengthening, tempering, carburizing, normalizing, and quenching.

    9. Satin Finishing
    Apply a luster between the matt materials' dark, non-shiny finish and the glossy finish's clear, shiny finish. The visual effect is dependent on the lighting in the environment; the satin metal finish is reflective, smooth, and glossy.

    10. Abrasive blasting (Sandblasting) The process of propelling a stream of abrasive material consisting of high-velocity sand-size particles against the metal surface under high pressure with blast equipment such as an air pressure device, in order to eliminate surface contaminants, clean metals, or increase texture, and then changing the smoothness or roughness of the surface.

    11. Coating for conversion
    The coating, also known as chromate conversion, is used for metals that have been converted to a protective layer by chemical or electrochemical processes, and is primarily used as a corrosion inhibitor, decorative finish, or to maintain electrical conductivity.
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