Electropolishing Is ....
An electro-chemical process that mechanically restructures the surface of metal by expelling electrons from the exposed surface and causing a smoothing reaction. The process is so refined that removal of material can be controlled within .0001 " per-surface. The reworked surface has an enhancement of it's micro-inch measurement. The process descales the surface, removing oxides and impurities, and leaves a sterile and passive finish.
WHO SHOULD BE USING ELECTROPOLISHING?
When a design requires a metal finish that demands a smoothness that cannot be obtained by mechanical means, electropolishing is the answer. A surface can generally be improved to approximately one half of the initial surface measurement. Some surfaces can be obtained that become non-particulating surfaces, i.e. so smooth, particles cannot be entrapped and adhere to the metal. The micro inch measurement can be taken to the single digit level.
Many future problems are avoided by the passivation enhancement which is as much as 3000 percent greater than with standard nitric acid passivation for stainless steel material.
The electro-chemical machining capabilities of electropolishing gives the designer the assurance that the tolerances of the final machined part can be accomplished. With the capability of controlling surface removal of .0001 inch per surface, most tolerances can be maintained. The deburring of machined components is easily accomplished by electropolishing since the protrusions are the first attacked, they are burned away to produce a smooth uniform surface.
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