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Production process of wire hanging in galvanizing of Wire Hangers
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Production process of wire hanging in galvanizing of Wire Hangers

Views:24     Author:Site Editor     Publish Time: 2018-09-20      Origin:Site Inquire

Production process of wire hanging in galvanizing of Wire Hangers
Electroplating is a surface treatment process that forms a coating on the surface of metal objects. Common methods include hanging plating, barrel plating, continuous plating and brush plating. However, in industrial manufacturing, the most common ones are hanging and barrel plating, and the most used ones are hanging plating. Hanging plating is a process of galvanizing metal objects in a plating tank during the surface treatment of metal objects, generally in manual or automatic manner.

Wire Hangers

The principle of hanging plating is the same as electroplating. The process of electroplating a thin layer of other metals or alloys on some metal surfaces is used, but in the process, the hanging tools for electroplating have to be mentioned. The so-called hangers are usually in the shape of a hook, and the contact area between the hook and the plated plating should not be too large, otherwise the contact point may be under-plated. The hooks are generally made of copper material, so that the metal-plated articles are well-conducted, and the current is passed without excessive heat generation affecting the plating.

Wire Hangers

Hanging plating usually does not have only one item. When there are many metal objects that need to be plated, the most common problem is uneven current distribution, which will cause unstable plating. Generally, when a plurality of metal plating needs to be plated, they should be buried 50 mm below the surface of the aqueduct and not less than 200 mm from the bottom of the tank. If it is improperly hanged, it will easily lead to quality problems in the electroplated products. Therefore, it is generally necessary to pay attention to the distance between the plating parts, the hooks and the plating solution. In addition, for the parts with holes, especially when the blind holes are hung, they cannot face downwards. There must also be a certain inclination to allow the gas in the hole to be smoothly discharged, thereby avoiding the partial plating of the hole.

Wire Hangers

Under normal circumstances, the appearance of the metal object after plating has a great relationship with the current. The smaller the current, the more beautiful the object to be plated. Therefore, any plating solution has a current density range in which a good coating is obtained to ensure its quality, so that the hanger must be coated with a protective layer or wrapped with a plastic tape to avoid current dispersion and unnecessary loss. To ensure the quality of metallized objects during the plating process. Of course, there are many reasons for affecting the plating, such as local insulation work, stirring, current density, power supply equipment, plating tank strength, and so on.

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