Calculated Belt Speed
5,419
SFPM
Aggressive Stock Removal
SFPM = Diameter × RPM × (π ÷ 12) × (VFD% ÷ 100)
Recommended Ranges
Under 1,500 — Finishing / Handle work / Heat-treated blades
1,500 – 3,500 — General grinding / Bevel work
3,500 – 5,500 — Aggressive stock removal / Profiling
5,500+ — High-speed grinding (use caution)
