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Process flow and surface treatment technology of metal display rack

2017-03-17

Cutting (cutting plate, pipe cutting, s***ping, machining) (bending, forming, welding, drilling, grinding) - surface treatment (dusting, drawing, electroplating, polishing), other (printing, engraving) - clean - check - packaging

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Hardware display frame is divided into: Iron display rack, stainless steel display frame, aluminum display frame, alloy display frame, iron + wood display frame, iron + glass display frame, iron + acrylic display rack.

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First, the surface of the iron frame is divided into: powder, chrome, zinc, nickel, dip, etc..

1 powder (Powder coating) products with the most, because its color can be diversified, users can customize a variety of different colors, the processing process is slightly simpler than chrome plating, very suitable for mid-range quality occasions.

2 (Chrome), followed by chrome chrome products shiny, looks more upscale, but the price is relatively higher for grinding powder, it takes a lot of effort to link this link, directly affect the quality of the finished product, the rejection rate is higher than other treatments.

3 galvanized (Zinc or Galvanization) products are generally used in relatively low places, because it is not to keep the product time to rust and dusting and chrome plating to be shorter, and the surface does not look pretty enough chrome. At present, the domestic market is a kind of environmentally friendly zinc, a non environmentally friendly zinc. In fact, there was only one, however, some factories with more impurities containing raw materials to the plating, the surface looks a little blue, called non environmentally friendly zinc. Normal zinc plating (i.e., environmentally friendly zinc) is a matt white.

4 nickel plating (Nickel-plate): the use of nickel as the external surface of this surface treatment is not particularly large, plated surface gloss better than galvanized, but do not rust time with galvanized almost. Some domestic factories, the ordinary iron surface drawing, and then to take the nickel plated stainless steel. Generally, the production of a layer of nickel plating before plating.

5 dip: this process is mainly used on kitchen utensils, such as some kitchen handle, play a role in the heat insulation.

Two, stainless steel display frame surface treatment is generally: wire drawing (brushed), or mirror polishing (Mirro Polish).

1 wire drawing (brushed) is a kind of surface decoration, which is widely used in the surface treatment of stainless steel products. People are most familiar with is a variety of pots, bowls inside the circular texture. Many people who are not familiar with the industry, see the surface of the product is thought to be stainless steel products, so it will be used to draw nickel wire and then painted stainless steel.

2 mirror polishing (Mirror polish) of stainless steel products are often used in very high-end occasions, the surface of the finished surface light, the degree of finish can be illuminated, so called mirror polishing. First of all, this product requires a high level of the substrate, the material itself must be high quality materials, so that there will be no intrinsic flaws. Secondly, the same as chrome, polishing process to be very careful, it takes time, so that the finished surface is bright and beautiful. However, people who are not familiar with the industry, may be mixed with chrome mirror polishing, because they look very similar, but the mirror polished slightly more than a little light chrome. Chrome plating is very bright on the surface, bright.

Three, aluminum display frame surface treatment is divided into: wire drawing, anodizing, dusting, etc..

Drawing and dusting and iron display rack almost no longer detailed.

Anodic oxidation (anodization) is a kind of oxide film formed on the surface of metal or alloy. Metal oxide films have changed the surface state and properties, such as surface coloring, improve corrosion resistance, enhance wear resistance and hardness, protect the metal surface, etc.. There are a large number of micropores in the thin layer of oxide film, which can be used as a variety of beautiful and colorful colors. Non ferrous metals or their alloys such as aluminum, magnesium and their alloys can be anodized. An ordinary anodic oxidation is a kind of matt white surface. Can also be made of color, looks very beautiful.

Alloy display rack is only used in a variety of materials are mixed, the surface of the anode is generally used to make a more glossy appearance, looks very elegant.