Grinding Machine Operator how-to

How to Ring Test a Grinding Wheel

Cracked wheels can explode.

Updated By the Career Education Institute Curriculum Team
Quick answer

Cracked wheels can explode. In short: hang; tap; listen, then complete the remaining steps below.

Step by step

  1. Hang the wheel.

  2. Tap gently with a mallet.

  3. Listen for a clear ring.

  4. Dull sound means crack.

  5. Reject cracked wheels.

  6. Mount properly.

Safety reminders for grinding machine operators

  • Ring test wheels
  • Use guards
  • Stand aside on startup
  • Wear eye and respiratory protection

Surface grinder · Cylindrical grinder · Centerless grinding · Dressing · Tenth · Surface finish: see the full grinding machine operator glossary.

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