Precision etching machine

Precision etching machine

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Precision etching machine

Full set of precision etching machine line generally includes the following machines:

• The coating machine is mainly used for etching pre-metal surface coating process stage, in the metal workpiece surface coated with a layer of photographic ink, play a protective role.

• The drying machine through the drying equipment will be the previous stage of coating on the metal surface of the (wet) ink drying, increase adhesion, so that the ink and metal workpiece firmly combined.

• The light of the exposure machine emits UVA wavelength ultraviolet light to transfer the image on the film to the metal surface coated with photosensitive ink. The photographic ink in the area to be etched changes its solubility after being exposed to UV light in the exposure machine. Areas that are not etched are always protected by the ink cover and will not be dissolved.

• The developer is the exposure of the metal workpiece to be etched with the developer immersion, revealing the need to etch the pattern part. Non-photographic part of the ink in the role of the developer does not dissolve, in the etching stage can play a protective role.

• The precision etching machine is the main equipment for etching processing. Etching liquid to form a specific spray pressure on the metal workpiece spray etching, according to customer product requirements of the etching depth to determine the speed and time of the etching machine. In etching, metal workpiece contact etching solution to achieve the role of dissolution corrosion, the formation of concave and convex or hollow effect.

• The de-filming machine is at the end of the etching, the metal workpiece on the need to remove the protective layer of equipment. de-filming machine with a specific chemical solution to dissolve the ink coating stripped. This solution for stripping the film can only be used with the outer layer of ink to start a chemical reaction and can not react with the metal, so as to ensure that no damage to the metal itself in the case of removing the ink layer.

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