Is this diamond cutting blade installed correctly? yes or no

Discussion in 'Shower & Bathtub Forum & Blog' started by johnfrwhipple, Dec 5, 2014.

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Yes or No - is the Diamond Blade installed the right war or the wrong way

  1. Yes - "The blade is on correct, bravo"

    0 vote(s)
    0.0%
  2. No - "Hey dumb ass, that blade is on backwards"

    100.0%
  1. johnfrwhipple

    johnfrwhipple BATHROOM DESIGN & BUILD

    Joined:
    Jul 20, 2009
    Occupation:
    Design Work
    Location:
    North Vancouver, BC
    [​IMG]

    The grinder is a Dewalt. The directional arrow is shown on the top by the half arrow. The spin is clockwise. The guard has been removed for your viewing pleasure and because I think they get in the way.

    So - is the blade on the right way or the wrong way? Please vote.
     
  2. hj

    hj Master Plumber

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    The "directional arrow" is on the TOOL, not the blade, so how would we know? Look at the label on the blade and see which way ITS arrow is pointing. The "smart way" to install the blade is make sure BOTH arrows are pointing in the same direction, then you don't have to ask us about it.
     
    Vegas_sparky likes this.
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  4. LLigetfa

    LLigetfa DIYer, not in the trades

    Joined:
    Feb 6, 2011
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    Semi-Retired
    Location:
    NW Ontario, Canada
    LOL
    It is a trick question.
     
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  5. koa

    koa In the Trades

    Joined:
    Apr 12, 2005
    Location:
    Honolulu, Hawaii
    Judging by the trails coming off the diamond bits, the blade is on the opposite way it was previously used.
     
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  6. Vegas_sparky

    Vegas_sparky Digital Billy

    Joined:
    Dec 5, 2013
    Occupation:
    Electrician
    Location:
    LV,NV/ Nowhere,UT
    I agree with what the others have said. I think it was installed correctly and used, and flipped for the picture to trick us.

    That John, he's a tricky guy. Mr tricky man.
     
  7. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    I was thinking it was tricky because the blade is not directional.
     
  8. ShowerDude

    ShowerDude Showers

    Joined:
    Apr 7, 2014
    Location:
    Minnesota
    is the blade harmonically balanced?
     
  9. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    FWIW, some blades are directional, some aren't. SOmetimes, you just cannot tell without looking for the marking on the blade, and that is not visible in the picture. If you need to remove it, then reinstall, sometimes you'll tear more diamonds out if it isn't installed the same way...the diamonds are hard, but the method used to hold them in place isn't anywhere near as hard or strong.
     
  10. johnfrwhipple

    johnfrwhipple BATHROOM DESIGN & BUILD

    Joined:
    Jul 20, 2009
    Occupation:
    Design Work
    Location:
    North Vancouver, BC
    HJ. No sticker on the blade. It's gone. The arrow on my tool is easy to spot. Can you not see it?

    LLigetfa. It is not a trick question but something most tile men should understand how to check.

    RSCB. The blade has not been stepped on and is well balanced.

    Vegas. I did no tricks, no photo shop. You guessed wrong. I did have the blade on backwards. I was showing you guys a simple mistake a simple way of checking your blades. Noticed it in the sun when I was having a coffee break.

    Reach. The blade is directional, I have never seen one that is not.

    You can tell easy which way a blade should be installed. The diamonds create little Comet like groves on all diamond blades. A comet has a tail. A trailing edge. The diamond should cut first and the trail or tail should follow.

    [​IMG]
    I have bought blades that have been miss labelled. I always install my blades like the photo above.
     
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