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Did You Know There is a Difference in Truing and Dressing a Wheel?

ASA is your source for truing and redressing wheels up to 20in diameter with 1 week turn around! Are you having problems with wheel run-out, form not within specification or want to change the wheel form?

grinding wheel

What exactly is the difference between “Truing” and “Dressing” a wheel?


To produce the highest-quality work, wheels must be trued after being mounted on a spindle. After mounting, there will always be some eccentricity. This will affect the final workpiece in several ways. Some benefits of this process are:

  • Establishes concentricity
  • Introduces form or shape into a wheel


Next comes dressing; this process always comes second. While superabrasive wheels are mostly self-sharpening, the material used can occasionally cause the wheel to dull. Dressing sharpens by removing this material and helps to expose the fresh edges of the wheel.

  • Operation that produces crystal exposure or chip clearance.
  • Return wheel to original dimensions

Truing and Dressing requires a two-step technique:

Step 1

  • Truing (Profiling)
  • Wheel concentric to the spindle axis
  • Shape wheel profile to geometry
  • Fracture dull abrasives

Step 2

  • Dressing (Sharpening)
  • Expose abrasive above bond
  • Provide chip clearance

The typical materials used in dressing technique are Aluminum Oxide or Silicon Carbide Dressing Sticks.

Conditioning Requirements


Learn more about our ASA250 Dressing Machine. Contact ASA today at 330-673-7333 or visit our website:

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