Key capabilities and noted findings of AFM processes.
|DBG-AFF ||Finishing of 3D internal surfaces and drilling of micro-holes in materials like AISI 1040, AISI 4340 etc.||2.35 times increase in Material removal and 1.6 times improvement in %Δ Ra was improved as compared to AFF||Only internal surfaces can be finished.||To finish external surface with high finishing rate.|
|CFAFM ||Small holes in micro range, internal 3D Complex surfaces.||Finishing time was reduced by 70–80% and roughness improvement was 35–40% as compared to basic AFM.||Only internal surfaces can be finished.||Control the medium properties during operation.|
|R-AFF ||MMCs. and extremely hard complex surfaces||Roughness value changed from 0.6 ± 0.1 μm to 0.25 ± 0.05 μm||Material with sharp edges cannot be finished.||Temperature rise was the major problem due to which viscosity of fluid decreases.|
the flow characteristics of fluid carrying channels, removing
the burrs and recast layers
|Material removal was 2.35 times more than basic AFM||Suitable for cylindrical shaped geometrical surfaces.||To finish the complex surface other than cylindrical|
|ECAFM ||Ability to finish fast even if the component is thin/delicate and made
of hard alloys.
|46.83% improvement in %ΔRa in minimal time.||Only for conductive material and glossy surface generated after finishing due to chemical reaction on the surface||3-D CFD simulation of abrasive-laden medium|
|UAAFM ||Bevel gear made up of hard material, Ferromagnetic materials||The average change in roughness value was from 1.0 μm to 0.4 μm||Mostly used for ferromagnetic material with a greater hardness||Control over finishing forces during operation.|
|MRAFF ||Biological components like knee joint and optical glasses||Change in roughness value was from 0.47 μm to 0.35 μm for SS material in 200 cycles.||No significant improvement with magnetic materials||Reduce the finishing time of complex features|
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