Notes

Electropolishing
Review

The workpiece is made use of as the anode to connect to the favorable post of the DC power supply. Usage lead, stainless steel and other conductive products immune to electrolyte deterioration as the cathode, and also link to the unfavorable electrode of the DC power supply. The two are involved in the electrolyte (usually based on sulfuric acid and also phosphoric acid) at a specific distance, and also at a certain temperature, voltage and existing thickness (usually less than 1A/cm2), electrify for a particular period of time (generally numerous 10s of secs to A couple of minutes), the tiny protrusions externally of the workpiece dissolve first, and slowly end up being a smooth and glossy surface.



Features:

1. The polished surface will certainly not generate a metamorphic layer, no additional stress, as well as can get rid of or lower the original stress layer;

2. For hard materials, soft materials and thin-walled, complex-shaped, and also tiny components that are challenging to be mechanically brightened Both items can be processed;

3. The brightening time is short, and multiple pieces can be polished at the same time, and also the manufacturing effectiveness is high;

4. The surface area roughness that can be achieved by electrolytic polishing is related to the initial surface roughness, and generally can be enhanced by two levels. Nevertheless, as a result of the inadequate convenience of the electrolyte, short life span and solid corrosiveness, the application series of electrolytic polishing is restricted. Electrolytic sprucing up is mainly utilized for metal products and get rid of small surface area roughness, such as mirrors, stainless steel tableware, decors, shot needles, springs, blades as well as stainless-steel tubes.

Process flow

Degreasing-washing-derusting-washing-Electropolishing-washing-neutralization-washing-passivation-packaging

Advantage

1. the internal and external colors are consistent, the appeal is resilient, and the recesses that can not be tossed by mechanical sprucing up can additionally be leveled.

2. High production performance and also inexpensive.

3. Aluminum Die Casting Increase the corrosion resistance of the workpiece surface area.
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