System and Method for Nanofinishing of a workpiece

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 


Date Filed: 


Patent Category: 


An apparatus and method for nanofinishing of complex and freeform surfaces.

Key Features: 

  • The finishing device is based on magnetorheological fluid.
  •  A step-wise finishing is proposed to achieve nanofinishing on hard materials in minimum possible time.
  •  A chemical based magnetorheological fluid is formulated to significantly reduce the surface roughness value.The developed technology does not destroy the form geometry of the component to be finished.
  • It utilizes flexible magnetorheological fluid brush which is self deformable.


  • Medical implants.
  • Freeform optics.
  • Dies and molds.

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