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Can you sharpen blades with a belt sander?

Discussion in 'Lawn Mowing' started by waffletown20, Aug 30, 2005.

  1. waffletown20

    waffletown20 LawnSite Member
    from PA
    Posts: 100

    Can you sharpen blades with a belt sander?
  2. Albemarle Lawn

    Albemarle Lawn LawnSite Bronze Member
    Posts: 1,544

    Does a chicken have lips? :dizzy:
  3. gene gls

    gene gls LawnSite Gold Member
    Posts: 3,213

    Not very good. You have to run it across the top roller and its hard to control. I use my sander now just to remove the nicks from the back side so it will slide across my blade grinder table.

  4. True Cut Lawn Maintenance

    True Cut Lawn Maintenance LawnSite Senior Member
    Posts: 418

    i use either a 3101G 90 degree die grinder from Ingersol Rand with a scotch bright sanding pad or a bench grinder
  5. Itsgottobegreen

    Itsgottobegreen LawnSite Silver Member
    Posts: 2,177

    Done it in a pinch. Not the best idea.
  6. lawnrangeralaska

    lawnrangeralaska LawnSite Senior Member
    Posts: 436

    sure i do.. just figure out how to use it and its easy
  7. topsites

    topsites LawnSite Fanatic
    Posts: 21,653

    I've been using a hand-held 4.5" circular grinder for the past 4 years and if THAT works... But you do have to be careful AND you have to figure out the trick, so to speak...
    As far as whether a belt sander will work or not, that I don't know... But why not try?
  8. Brianslawn

    Brianslawn LawnSite Silver Member
    Posts: 2,004

    sanding disc on angle grinder
  9. Nosmo

    Nosmo LawnSite Bronze Member
    Posts: 1,216

    I use a belt sander on my blades with no problem. Been doing it for years . Not the same blades for years but the same method. hah
  10. Nosmo

    Nosmo LawnSite Bronze Member
    Posts: 1,216

    Decided to try a bench grinder on my blades. Went out in my shop this morning and came up with a jig to hold the blade.

    This one works real well for me sharpening at 45 Degrees with a high lift fin on the top edge. I made this one to use for sharpening at 45 degrees but it can be cut for different angles.

    Materials needed: a couple 2 x 4's about 12 or 14 inches long and some 2-1/2" sheet rock screws.

    Use a table saw , radial arm saw or miter box saw --- crosscut one
    end of one of the boards at 45 degrees. Use a table saw or radial arm and make a 90 degree cross cut about 1/2" deep and about 1/2" from the end on the other board.

    Put the boards together and put the blade in the notch and slide the blade back in forth until you get the backside of the flat edge flush with the 45 degree beveled board. Mark a line across the edges and then clamp the boards and screw them together.

    Depending on your own grinder's height just stack some 2x6's in front of the grinding wheel and set the jig on them. You can slide the blade in and out of the slot across the wheel . Usually one or two passes gets the edge sharp .

    Photos enclosed. Old blade used for practice .


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