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Do you sharpen new blades?

Discussion in 'Lawn Mowing Equipment' started by Wink'sLawnManag., Jun 6, 2020.


Do you??

  1. Yes

    11 vote(s)
  2. No

    35 vote(s)
  1. Wink'sLawnManag.

    Wink'sLawnManag. LawnSite Member
    Messages: 55

    Just got the new bad boys and am curious if you guys sharpen new blades.? On my last set I lightly hit them with some 120 sanding disc on portable grinder and worked pretty good. Just want the experts opinion. Thanks for all you guys do. Stay safe!!!

    Crazy 4 grass likes this.
  2. Bumpmaster

    Bumpmaster LawnSite Fanatic
    Messages: 42,008

    I like to not mess with them run em for a week then see if I can sharpen them as good as new. :cool2:
  3. Green Industry Pro

    Green Industry Pro LawnSite Senior Member
    Male, from Tyler Texas
    Messages: 793

    Same here. One thing to note is, the goal isn't to make the blades razor sharp. A razor sharp edge will dull more quickly. The main point to sharpening a blade is to maintain its original angle as best as you can. Hints why when its factory new, it isn't razor sharp.
  4. Mownmachine144

    Mownmachine144 LawnSite Senior Member
    Messages: 978

    I just run em for maybe a week er 2 then sharpen
  5. Valk

    Valk LawnSite Gold Member
    Messages: 3,724

    IFF out of balance, I'll sharpen the heavy side.
  6. Derwood

    Derwood LawnSite Bronze Member
    Messages: 1,499

    OEM's no, I do not sharpen them when they're new - they are already pretty sharp.

    Oregon one's I do sharpen.

    The angle on my sharpener is 30 degrees and a little different than what they are from the manu. So the first time I sharpen them, it takes a little longer to grind them to 30. After that, it's usually just a few swipes and good as new. I sharpen mine until they're about as sharp as the OEM's when they're new.
  7. ARN Greencare

    ARN Greencare LawnSite Senior Member
    Messages: 453

    New blades? Yes. New mower? No. Most new blades are out of balance, so I will touch them up and balance them and then only check the balance after several sharpenings or if I have to grind a notch out.
    Wink'sLawnManag. and JayinKs like this.
  8. Turf Tracer

    Turf Tracer LawnSite Fanatic
    Messages: 6,588


    seriously who cares if they out of balance. Big Balance Corporation hype.
    Wink'sLawnManag. likes this.
  9. ARN Greencare

    ARN Greencare LawnSite Senior Member
    Messages: 453

    When you use use a walk behind it's no big deal. But when you sit on a ZTR for hours straight, the smoother operation is much appreciated...
    Nredo, Crazy 4 grass, Cam15 and 2 others like this.
  10. rippinryno

    rippinryno LawnSite Silver Member
    Messages: 2,600

    I've yet to see a single oregan blade come to my door out of balance. If they do I'd like complain to the manufacturer. I also used to think that razor sharp wasn't good, and would keep a bit on the edge so I don't damage them. However, over the years I've noticed that razor sharp leaves the best cut. I am the only person running my equipment so I take care not to hit things that will trash my blades. I don't mind a few nicks here and there to work out if I need too. Razor sharp blades can cut grass a lot better, but they dull after only a few larger lawns anyway.
    Cam15 and Wink'sLawnManag. like this.

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