MITSUBISHI MATERIALS CORPORATION
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FLANK ANGLE

Flank angle prevents friction between flank face and workpiece resulting in smooth feed.
Flank angle creates a space between tool and workpiece. Flank Angle and Flank Wear Relationship
  • Effects of Flank Angle
  1. Increasing flank angle decreases flank wear occurrence.
  2. Increasing flank angle lowers cutting edge strength.
When to Decrease
Flank Angle
  • Hard workpieces.
  • When cutting edge strength is required.
When to Increase
Flank Angle
  • Soft workpieces.
  • Workpieces suffer from
    work hardening easily.