Shaperblade do they really self-sharpen?

Discussion in 'Lawn Mowing' started by jimmbo407, Mar 24, 2006.

  1. jimmbo407

    jimmbo407 LawnSite Member
    Messages: 114

    I was looking at shaperBlades in turf magazine. "The mulching lawn mower blade has a cutting width of 17 to 22 inches and is self-sharpening, nonsparking and made of polymer." That is what the description says. Just wondering if they really are self-sharpening, how much and are they worth it?:usflag:

    Thanks in advance for any info.
  2. saw man

    saw man LawnSite Bronze Member
    from utah
    Messages: 1,033

    How would it sharpen itself? Does it have a file that goes to work when you stop mowing? ;)

    no such thing as self sharpening!
  3. Brendan Smith

    Brendan Smith LawnSite Bronze Member
    Messages: 1,195

    yes there is, but having to pay the workman's comp on the elf is the downside:laugh: :laugh: :laugh: :laugh:
  4. promower

    promower LawnSite Bronze Member
    Messages: 1,233

  5. Precision

    Precision LawnSite Silver Member
    Messages: 2,995

    self sharpening is easy.

    all they have to do is laminate constuct the blade and as the edge wears down the sides fall off exposing an new sharp edge.
    The problem isn't with self sharpening, the problem is with durability. Hit a rock, hit a big twig and you grenade a blade. Then the fact that it "sharpens" at a preset rate may dramatically decrease the life of your blade.
  6. Lawn Masters

    Lawn Masters LawnSite Senior Member
    Messages: 850

    I was going to ask about these blades, guess I dont need to now. I prefer my steel blades that will be repairable if they hit something.
  7. topsites

    topsites LawnSite Fanatic
    Messages: 21,653

    That we have, they're called robomowers. You have to set up an invisible fence for them (like with flags) and 'train' it the first time around and oh by the way, I wouldn't leave the dog outside and make sure your yard has a VERY solid fence all around lol
  8. AintNoFun

    AintNoFun LawnSite Bronze Member
    Messages: 1,807

    why even bother fixing a $10 blade?


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