Proper blade sharpening

Discussion in 'Lawn Mowing' started by greenescaper, Apr 15, 2005.

  1. greenescaper

    greenescaper LawnSite Member
    Messages: 5

    What is the best way to sharpen blades using a bench grinder?.... Its all I have for now.... Thanks guys
  2. greendave

    greendave LawnSite Member
    Messages: 219

    Maintain the same cutting angle the blade came with. Use a balancer. Don't grind so hard and long that you blue the metal. Wear safety glasses. Use a guard.
  3. Eddie B

    Eddie B LawnSite Senior Member
    from gone
    Messages: 859

    wear gloves!
  4. LawnMower

    LawnMower LawnSite Senior Member
    Messages: 653

    Get the Magna Matic grinder and ballancer.
  5. egbaker

    egbaker LawnSite Member
    from NJ
    Messages: 24

    I have filed notches in my metal bench vice to hold the blade at the right angle and use a good right angle grinder with a medium or coarse grit wheel.

    With fast wipes, due to the high grinder wheel speed I can get a quick edge and not heat the blade.

    Try to maintain the angle and watch that you don't round off the outer cutting edge corner(easy to do by hand without a special machining jig)then balance the blade by taking a little more metal. If you count the swipes you will not have to do much balancing.

    I use the cone shaped balancer, its great. Try the balance and rotate the cone 180 degrees and see that it repeats.

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