Etching speed and side etching amount are the most important parameters in the chemical etching process. Side etching amount determines the precision of chemical etching. The smaller the side etching amount, the higher the processing precision and the wider the application range.
Conversely, the lower the processing precision, the narrower the application range. In the process of multiple metals, copper has the smallest side etching amount, and aluminum has the largest side etching amount. In chemical etching, the etching speed determines the length of the etching process cycle. The faster the etching speed, the shorter the etching process cycle and the higher the production efficiency. The faster the etching speed, the better. There are several main reasons:
- The faster the etching speed, the greater the amount of metal etching per unit time, the greater the heat generation, and the faster the temperature of the etching liquid changes, which is not conducive to the constant etching speed.
- The faster the etching speed, the more difficult it is to control metal processing with very precise depth requirements
- The faster the etching speed, the lower the quality of the metal surface after etching, which significantly affects the smoothness and glossiness of the etched surface
- High etching speeds often require high concentrations of corrosive agents, highly corrosive chemical reagents, high etching temperatures, etc.
For materials that require a large amount of etching, the “fast first, slow later” method is used, which means that a faster etching solution is used for etching first. When the etching depth is close to the design requirement, a slower etching solution is used for precision etching. Although this increases the number of steps, it shortens the processing time while also ensuring etching accuracy and surface gloss.
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BE-CU metal etching china company’s strength lies in our investment in chemical etching production line. Chemical etching production line are the foremost innovation to the metal etching industry.
The programmability of Chemical etching production line gives us quick and accurate repeatability. This constant replication allows for better finishes, tighter tolerances and most importantly – faster cycles for metal forming.
By engaging our etching company, you can also get the much-needed support to design your part for any specific purpose. Our team can provide custom design tips, such as ensuring consistent wall thickness and avoiding overly thick sections that can sink.
Are you designing new products for projects companies? We can help! Here at BE-CU Metal Etching China Company, we offer a reasonably priced rapid metal etching service that will allow you to make an amazing prototype that will impress your clients. Get a free project review here so we can get started for your metal etching products!
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