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We specialize in providing top-notch services that will leave your metal surfaces looking their best. We use only the latest techniques and equipment to ensure that your surfaces are properly polished and protected.
Brushed is a polishing procedure in which a ball or roller is used to smooth and shape a component’s surface. The burnshing process creates an attractive mirror finish while also increasing fatigue strength, adding corrosion resistance, and minimizing porosity.
Electropolishing describes the process of applying electrical current to smooth a components surface. In contrast to electroplating, electropolishing removes material to even the surface, whereas electroplating adds a smooth protective coating.
Electropolishing gives parts a shinier appearance and makes them easier to clean and more resistant to corrosion. It also deburrs the surface roughness of stainless steel on a microscopic level (up to 10µm).
| Requirement | Specification |
|---|---|
| Surface preparation | Brushed |
| Color | Natural metal color |
| Part masking | Indicate masking requirements in technical drawing |
| Cosmetic availability | Cosmetic by default |
Here’s how to apply brushing and electropolishing:
The part’s surface is cleaned and prepared by power brushing
The metal part being electropolished (aka anode) is connected to the positive terminal of a direct current (DC) rectifier and submerged in a tank of an electrolyte solution. The negative terminal of the rectifier is connected to a cathode (usually stainless steel) that is also submerged in the tank
A current runs through the solution from the anode to the cathode, causing ions on the surface of the material to oxidize and dissolve into the solution
Parts are then rinsed from the electrolyte solution in a different tank
To finalize the finish, parts go through a final post-dip in a Nitric dip or a Citric acid, rinsed with cold water and are put to dry
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