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Thread: Lawnmower blade sharpening

  1. #1
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    Default Lawnmower blade sharpening

    How is everyone sharpening their blades and how often?

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    If its bad.. I throw it to the bench grinder. If it isn't too bad I'll just use a flap disc.

    There are attachments for things like a dremel but never used them.

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    Angle Grinder than a belt sander to finish them off.

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    Foothills Sharpening Company does it for something like $16 and it comes out like a RazorLazer.

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    I bought this and have sharpened my blade just once in two years. Will probably do it a bit more often now that I have this sharpener

    https://www.amazon.ca/Smiths-50603-M...gateway&sr=8-1

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    I used to angle grinder it but it only takes a few minutes with a hand file and you take off less material and get it just as sharp.
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    This on my die grinder. Not sure if the balancing is that detrimental, but it makes me feel good.

    https://www2.lowes.ca/product/mainte...ing-kit-325841

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    Nice to see im not crazy just using an angle grinder.

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    I use a bench grinder and hand file for the finishing touch. I was worried about balance this last time because my father in law ran the mower over some rocks with it and I had to smooth out some good gouges so I did a static balance using a big upside down bolt that I ground the end to a rounded end the blade could pivot and balance on. I worked one side a little more until it was balanced. It really purrs smooth even though it was probably overkill.
    1983 Dodge W150 Power Ram. 360/NP435/D44/9.25

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    I need to do this as I ran over something I shouldn’t have. Any tips on holding it in place if you don’t have a bench vise?

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    I don't even have any of the tools above but I guess my first task would be to figure out how to get it off the mower before finding someone / somehow to sharpen.

  12. #12
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    Quote Originally Posted by jwslam View Post
    This quote is hidden because you are ignoring this member. Show Quote
    I don't even have any of the tools above but I guess my first task would be to figure out how to get it off the mower before finding someone / somehow to sharpen.
    It's easy. I did it, and I'm more about pens than swords...

    Disconnect spark plug (if you're a pussy).
    Tip mower on side (NOT on gas tank side).
    With gloves, hold blade while ratcheting bolt loose. Use brain to squeeze blade and ratchet together to loosen if it's stuck.
    Remove blade and take to sharpening store.
    Installation is reverse of removal.

    There are a variety of YouTube videos that somehow take 8+ min to explain what I just did, but search those if you desire.

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