CPC C25F 3/16 (2013.01) [B33Y 40/20 (2020.01); C25F 7/00 (2013.01); B22F 10/25 (2021.01); B22F 10/28 (2021.01)] | 4 Claims |
1. A system for surface finishing an additive manufactured part, the system comprising:
a chamber with an electrolyte, an electrode, and an additive manufactured part holder;
a pulse/pulse reverse power supply for connecting to the part rendering it anodic and connected to the electrode rendering it cathodic; and
a controller subsystem configured to operate the power supply to decrease the surface roughness of the part by:
applying a first series of waveforms including at least two waveforms where a diffusion layer is maintained at a thickness to produce a macroprofile regime relative to any macroasperities of the part, the first series of waveforms having anodic voltages of between 3 volts and 30 volts applied for anodic time periods before cathodic voltages of between 4 volts and 30 volts applied for cathodic time periods to effect part surface smoothing to a first surface roughness between 5 microns and 50 microns, and
applying a final waveform where the diffusion layer represents a microprofile regime, the final waveform having a final anodic voltage applied for a final anodic time period before a final cathodic voltage applied for a final cathodic time period to effect part surface smoothing to a final surface roughness of between 0.5 microns and 15 microns.
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