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Optimal Cutting Speeds

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All materials have an optimal cutting speed which is typically stated in Surface Feet Per Minute (SFM).

SFM = Cutting tool diameter (inches) × RPM × 0.262

Material Cutting Speed
Aluminum – soft to medium-hard 18,000 SFM
Aluminum – hard and/or anodized 12,000 SFM
Brass – less than 150 Brinell 10,000 SFM
Bronze – less than 150 Brinell 12,000 SFM
Copper 10,000 SFM
Lead 14,000 SFM
Magnesium 15,000 SFM
Plastics 6,000–10,000 SFM

The performance of all cutting tools, including Everlast saws, will be affected by these key factors:

  • The type of machine being used
  • Rigidity of the machine
  • Cutting tool sharpness (dullness)
  • Material feed type (manual or automatic)
  • Secure clamping of material on both sides of the cutting tool
  • Material being cut in single layer or stack cut

Consult with Everlast to help select the optimum saw for your cutting application.