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Sharpening Blades

Discussion in 'Lawn Mowing' started by Fubba, Aug 20, 2005.

  1. Fubba

    Fubba LawnSite Senior Member
    Messages: 360

    What's the best way to sharpen blades without damaging the actual structure and shape of it? I've used a grinder in the past, but I would just like to hear some ideas of alternative ways of doing this.
  2. dfor

    dfor LawnSite Senior Member
    Messages: 829

  3. South Florida Lawns

    South Florida Lawns LawnSite Platinum Member
    from usa
    Messages: 4,784

    Thats all there is to them my friend.
  4. Nosmo

    Nosmo LawnSite Bronze Member
    Messages: 1,216

    I clamp the blades down on a bench or saw horse and use a hand held belt sander . I use a nail driven into a stud in the wall to check
    for balance afterwards.

  5. Cimarron Landscape

    Cimarron Landscape LawnSite Member
    Messages: 72

    I'm a knifemaker, and we use belt grinders.
    I've got a cheap $90 craftsmen that I do it with. First I run it on my bench grinder, then go to the belt grinder. You can cut yourself with it if you aren't careful.
  6. gogetter

    gogetter Banned
    Messages: 3,256

    Come on guy! Search button, search button, search button!!!!
  7. Fubba

    Fubba LawnSite Senior Member
    Messages: 360

    About how long does it take with the belt sander?
  8. Nosmo

    Nosmo LawnSite Bronze Member
    Messages: 1,216

    With a new belt or one that is not worn out it probably takes more time to clamp the blade down 2-times than it does to sharpen both ends.

    This is just a guess but if the blade isn't in bad shape I'd say it takes probably about 30 seconds to a minute on each end. Never really timed it myself.


    TURFLORD LawnSite Senior Member
    Messages: 834

    Any way that works best for you. Belt sander, bench grinder, hand grinder,etc. Just make sure the angle is about 35 degrees or so. When your done sharpening dip it in cold water. That'll help re-temper it a bit.
  10. yardmanlee

    yardmanlee LawnSite Senior Member
    Messages: 898

    I use a air powered tool w/ 3" flap disk 60 grit, it dosent take long and it puts a very sharp edge on the blade. I sharpen them once a week its better than using a grinder and taking too much off the blade they last a whole lot

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