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An example is given to illustrate: the thickness of the material is 0.4mm, the side etching rate is f = 0.5, and the double side etching is adopted(glass bead abrasive). The actual size in production must be based on the experimental data. Plough plate is to splice multiple parts together according to certain direction and spacing(silicon carbide abrasive grit). It is an important process in surface treatment to remove oil through these processes.  For the convenience of narration, it is also intuitive.

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This is also the advantage of metal chemical etching, through the mosaic technology can be a number of identical or different parts together at the same time for etching, in order to improve production efficiency(steel shot abrasive). One is used for relief graphic etching, the other is used for floor space etching or chemical cutting. The pretreatment of metal surface mainly includes degreasing, pickling, surface roughening and roughening(aluminum oxide sandblasting). According to the situation, it can be punched out with the positioning die first.

(aluminium oxide sandblasting wholesale suppliers russia)Oil removal methods can be divided into solvent oil removal, chemical oil removal, electrolytic oil removal and so on(brown fused alumina). Therefore, in actual production, mosaic technology varies according to different requirements of metal etching. According to the different requirements of the graphics, there are different methods of mosaic, and it is impossible to list all the methods one by one(black silicon carbide powder). The small hole is not only the installation hole of the part, but also the positioning hole.

The positioning hole can also be etched during etching(brown aluminum oxide). After etching, the positioning hole is drilled with a drilling machine, and then the drilled positioning hole is set on the positioning pin of the die for blanking. The former is suitable for mass production, while the latter is suitable for small batch production(silicon carbide 180 grit). The black line in the blank is the connecting line of the parts, so that the parts after chemical cutting will not fall into the corrosion tank.(aluminium oxide sandblasting wholesale suppliers russia)

For other metals, the specific amount of side corrosion must be determined by experiments, which can not be estimated(brown aluminium oxide). The pollutants that need to be degreased on the surface of workpiece include various oil stains, residual polishing paste, hand imprint, etc. In order to obtain the ideal adhesion effect and surface etching quality of the anti-corrosion layer, it is necessary to achieve satisfactory results in the first step of degreasing(green silicon carbide powder). This is just an example.

(aluminium oxide sandblasting wholesale suppliers russia)Therefore, before making the anti-corrosion layer, oil removal is very important(glass beads manufacturers). If the surface is not cleaned, the corrosion resistant material cannot be firmly attached to the metal surface, and the etching is also easy to be uneven. In addition to the same properties of metal materials, the amount of side corrosion is also related to the composition of corrosive agent, corrosion method(carborundum grit), corrosion temperature and time, and heat treatment state of materials.

The removal of pollutants is the key in the whole surface processing process, which directly affects the processing quality of subsequent processes(garnet abrasive price). If the floor space etching can not be used single-sided etching, especially for those materials with thick and fine lines of graphic processing, we need to use double-sided etching(carborundum abrasives). For aluminum alloy, the amount of double side etching is about L / 4 of the thickness of the material being etched.(aluminium oxide sandblasting wholesale suppliers russia)