All you need to know about photo chemical etching

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The photo chemical etching process is used to produce incredibly precise parts that would otherwise be impossible or too expensive to manufacture using more conventional processes. The process combines photography, computers, metallurgy and chemical designs to provide a precise and economical method for quickly manufacturing thin metal parts and avoiding heavy tools.

The technology, which was developed commercially during the Second World War to manufacture weapon reticles, has been adapted and innovated over the years to serve a wide range of applications in various sectors. The use of chemical photo recordings offers many advantages. Photo chemical etching is an economical alternative to punching, punching and laser or water jet cutting to produce precise parts. Not only cheap photochemical devices can achieve quick results. The piece can be created just a few hours after receiving the drawing. Unsurpassed precision and precision of chemical engraving make it ideal for prototyping. Due to the simple repeatability and fast processing, changes and technical modifications can be made not only easy but also inexpensive. The process enables simple changes in mass production.

Chemical photo prints are significantly cheaper compared to absolutely equivalent companies. With photochemical recording, the complexity of a piece is free, as is the case with a typical hard drive, and there are no maintenance and repair costs. The photochemical aquifer does not contain any equipment. The photographic tool is transferred to the metal through a contact printing process. This process does not guarantee the degeneracy of the tools, which means that the first part is identical to the last part produced and is ideal for mass production. Although heavy equipment is an important investment, the photochemical aquifer lowers costs and achieves better results. It also removes metal tension and partial deformation. Since the metal is removed chemically and not mechanically, the parts remain flat. This also makes secondary explosion processes superfluous since there is no contact voltage. Also, the use of photochemical etching does not affect the integrity of the properties of the metal. Due to the nature of the process, the internal structure of the metal remains unchanged. This guarantees the hardness, grain structure, magnetic properties or ductility of the metal.

Photo chemical etching can be used on almost all the metals that are available on the market, such as brass, manganese, aluminum, copper, silver, steel, nickel, zinc and titanium. The process can take place in any kind of thick piece immersion that can vary from 0.0001 “to 0.125”.