Do you understand the corrosion technology of the roller?frequency welder

　　Roller corrosion technology: The use of this technology to form a variety of patterns on the surface of the embossing roller, called etching processing, in the embossing roller industry called etching processing, also known as biting flower processing or "corrosion processing". In principle, roller corrosion technology is a treatment technology that uses the erosion effect on the metal surface to remove metal from the metal surface. The etching technology of roller is divided into three kinds: electrolytic etching, chemical etching and photographic etching.

　　The mother die is used as the conductive cathode and the electrolyte is used as the medium to etch the parts that need to be processed.

　　Chemical etching uses drug-resistant coating to remove the etching erosion, and the action is concentrated on the part of the embossing roller.

　　The photographic etching technology is to form a fully uniform layer of optically active drug-resistant coating on the surface of the embossing-roll, through the original negative, exposed with ultraviolet light, and then subjected to imaging treatment to form the desired shape of the drug-resistant coating layer, and then use the acid or lye of the etching bath to produce chemical or electrochemical erosion on the exposed part to dissolve the metal.

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