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This profile is the basis for all double radius edge rings with a knife edge as the center profile.

This profile works well using edge radius from 0.2mm up to 0.8mm.

​Adjusting the edge thickness can dramatically change the profile shape.


  • Any bore can be used on this design.
  • Grooving Cycles can be added.
  • Mill designs can be added
  • Stone milling can be added


The key features that can be changed are :


  • RING SIZE
  • WIDTH
  • THICKNESS
  • EDGE THICKNESS
  • EDGE RADIUS
  • MILL GRAIN OPERATION

Design 413    Double Mill Grain Edge Knife Center Ring