KEVOS® MAKEOS · Manufacturing
Grinding Wheel Speed and Removal Rate
Is this wheel running within its marked maximum speed, and what removal rate does the grind give?
Wheel peripheral speed against the maximum operating speed marked on the wheel, maximum safe spindle speed, speed ratio, and specific and total material removal rate.
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How this tool works
Inputs, units and where to find them
| Input | Unit | Typical source |
|---|---|---|
| Wheel diameter | mm | Actual wheel diameter (new or current dressed size). |
| Spindle speed | rpm | Spindle speed from the machine plate or a tachometer. |
| Maximum operating speed marked on wheel | m/s | Maximum operating speed printed on the wheel or its blotter; never exceed it. |
| Work (table or surface) speed | m/min | Speed of the work surface past the wheel. |
| Depth of cut per pass | mm | Infeed (depth) per pass. |
| Width of cut | mm | Width of the ground area per pass. |
Method and formulas
- Wheel speed vs = π D n ÷ 60 000 (m/s); maximum spindle speed = vmax × 60 000 ÷ (π D).
- Speed ratio q = vs ÷ vw (both in m/s).
- Specific removal rate Q′ = ae × vw (mm³/mm/s, with vw in mm/s); total Q = Q′ × b.
- Example: a 300 mm wheel at 2000 rpm runs at 31.416 m/s against 35 m/s marked.
Limitations
- The marked maximum operating speed is a hard safety limit; machine guarding and mounting must also comply with the wheel standard.
- Removal rate assumes the full depth is removed (no wheel deflection or wear).
- Example values are illustrations. Replace them with values for your actual task.
Typical uses
- Check a wheel and spindle speed combination before mounting
- Set work speed for a speed ratio
- Compare grinding removal rates
Who it is for
- Grinding machinists
- Manufacturing engineers
- Safety officers
What you get
- Wheel peripheral speed
- Maximum spindle speed for this wheel
- Speed ratio
- Specific and total removal rate
Interpreting the result
- If the spindle speed exceeds the wheel’s maximum, do not run it: change the wheel or the speed.
References
- Machinery’s Handbook, 29th edition (Industrial Press, 2012), printed pp. 1199–1268, 1246–1250. Topic reference; no source tables or recommended settings are reproduced.
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