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3M super abrasive wheels

3M™ Superabrasive Wheels

Superabrasive Wheels are composed of a diamond or CBN* abrasive bonded to a wheel shaped core. Common applications include CNC** tool grinding, centerless grinding, O.D./I.D. grinding, insert grinding and surface grinding of hard-to-grind materials. Available in a wide variety of bonds, wheel shapes and sizes, and grit sizes.

Wheels include:

  • Brazed - a single layer of abrasive chemically attached to a steel core
  • Metal Bond - have the hardest matrix; retain shape and size during extreme grinding (coolant required).
  • Polyimide - high cut rates; use in wet grinding applications with high volume flood coolant systems.
  • Resin bond - designed for fast and cool cutting; performs well in both wet and dry grinding applications.
  • Vitrified - feature a ceramic bond with the better characteristics of both resin and metal bonds.

*Cubic boron nitride (CBN) is the second hardest known material, surpassed only by diamonds.
**Computer numerical controlled (CNC) machine tools.