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Spin Grind vs Relief Grind – What’s the Difference?

Spin and Relief grinding a cylinder mower reel using Foley grinding equipment
spin and Relief grinding a cylinder mower reel using Foley grinding equipment

When it comes to professional cylinder mower grinding, one of the biggest questions people ask is the difference between spin grinding and relief grinding.

Both processes are important, but they serve very different purposes.

Understanding the difference helps explain why professional reel grinding produces better turf quality, cleaner cuts and longer-lasting cutting units.

What Is Spin Grinding?

Spin grinding restores the cutting edge along the front face of the reel blades.

This process:

  • Sharpens the reel edge
  • Restores reel consistency
  • Improves reel-to-bedknife contact
  • Produces a clean cutting surface

Spin grinding is commonly used during routine reel maintenance.

What Is Relief Grinding?

Relief grinding removes material behind the cutting edge of the reel blade.

Benefits include:

  • Reduced reel-to-bedknife contact
  • Less friction
  • Reduced heat
  • Improved reel efficiency
  • Longer edge retention

Relief grinding is extremely important on commercial and golf course cutting units.

Why Relief Grinding Matters

Proper relief grinding helps maintain reel performance while reducing unnecessary wear.

This improves:

  • Turf quality
  • Reel life
  • Bedknife life
  • Fuel efficiency
  • Overall mower performance

Why Professional Equipment Matters

Professional reel grinding requires specialised machinery.

At Turf Equipment Solutions we use professional Foley grinders to:

  • Maintain factory reel geometry
  • Produce consistent relief angles
  • Ensure precise reel setup
  • Improve cutting quality

Brands We Commonly Service

  • Toro
  • John Deere
  • Jacobsen
  • Kubota Baroness
  • MowMaster
  • Masport
  • Scott Bonnar
  • SupaSwift
  • Bushranger
  • Alroh
  • Allett
  • SmoothCut

Recommended Products

Maintain your reel and bedknife between grinds with:

Shop more products online at: https://www.turfequipmentsolutionsshop.com.au

Looking for professional reel and bedknife grinding?

Contact Turf Equipment Solutions today

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