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" Grinder Safety " Public Service Announcement

Discussion in 'Shop Safety' started by ITLKSEZ, Feb 3, 2017.

  1. Feb 3, 2017
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
    Joined:
    Aug 13, 2015
    Messages:
    2,139
    So I was in the welding supply store today, and this warning was next to the array of grinding disks and cutoff wheels...

    [​IMG]

    I saw a similar thing happen in a woodshop. This waste of space coworker was standing there with an orbital sander held wide open, letting the pad achieve maximum velocity. The 5" PSA sheet of 120 grit slid off the pad at 20,000rpm and opened up his cheek like a machete.
     
  2. Feb 3, 2017
    Bostonbob

    Bostonbob Delta Colo

    Delta Colorado
    Joined:
    Jan 6, 2014
    Messages:
    86
    No one is totally useless , they can at least serve as a bad example O yeah , nice catch
     
    GeoffreyL likes this.
  3. Feb 3, 2017
    wheelie

    wheelie beeg dummy Sponsor

    York, PA
    Joined:
    Mar 6, 2004
    Messages:
    3,383
    Yeeeoooooouuuch!

    I'll ad that I never buy the cheap grinding or cutting wheels. Not worth the risks. Always name brand stuff.
     
    piffey263 and dozerjim like this.
  4. Feb 3, 2017
    dan d

    dan d Sponsor Sponsor

    Estherville IA
    Joined:
    Feb 10, 2008
    Messages:
    625
    I had a 7" grinding wheel explode on me with the guard in place, still got hit in the gut.....

    I'am with Dave, name brand only after that.

    Haven't had a problem since.
     
  5. Feb 3, 2017
    dan d

    dan d Sponsor Sponsor

    Estherville IA
    Joined:
    Feb 10, 2008
    Messages:
    625
    While we are on this subject, remember when you start your pedestal grinder to stand off to the side....

    Name brand wheels there too....
     
  6. Feb 3, 2017
    dan d

    dan d Sponsor Sponsor

    Estherville IA
    Joined:
    Feb 10, 2008
    Messages:
    625
    Maybe this should be moved under shop safety ?
     
  7. Feb 3, 2017
    dozerjim

    dozerjim Member

    western New York
    Joined:
    Nov 22, 2010
    Messages:
    324
    And never grind aluminum or brass with a stone wheel !!!
     
  8. Feb 3, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
    Joined:
    Sep 22, 2002
    Messages:
    4,686
    Ring test your pedestal and bench grinder wheels before mounting and you won't have a new one explode. Keep them dressed clean, it will also help.

    Never mount your bench wheels without the paper blotters on them either.
     
  9. Feb 3, 2017
    wheelie

    wheelie beeg dummy Sponsor

    York, PA
    Joined:
    Mar 6, 2004
    Messages:
    3,383
    Gotta google "ring test."
     
  10. Feb 3, 2017
    Focker

    Focker Ran when parked... Runs while moving. Staff Member Sponsor

    Tri-Cities WA
    Joined:
    Aug 18, 2014
    Messages:
    5,180
    Done.
     
  11. Feb 4, 2017
    piffey263

    piffey263 Active Member

    Sacramento, CA
    Joined:
    Oct 16, 2008
    Messages:
    1,209
    Don't stop a 80 grit disk with hand either, coworker got 8 stiches in his palm.

    We have some grinders without guards. I absolutely hate them!! I need to buy a face shield. $25 is cheaper than the emotional aspect of a face injury and the medical bill.
     
  12. Feb 4, 2017
    string284

    string284 New Member

    Joined:
    Mar 29, 2014
    Messages:
    25
    Always check the RPM rating of the abrasive and match that to the tool your using, at work we mark our air tools with different colored electrical tape to indicate there RPM rating to make it easier and faster to identify, and if you want to fill your pants quick be standing there when a 20 X 8 inch wheel on a surface grinder comes apart.....yikes!:shock::shock:
     
  13. Feb 4, 2017
    Mark Wahlster

    Mark Wahlster Member

    Silverton, OR
    Joined:
    Dec 17, 2015
    Messages:
    387
    14 years as a Custom Knifemaker and never used a stone wheel once. everything was done with grinding belts some moving as fast as 90 mph if one broke the sound scared the crap out of me and it just stopped moving. Never got hurt by a moving belt unless I touched it with my fingers. Old boys told me horror stories about stone wheels so I stayed away from them.
     
  14. Feb 18, 2017
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
    Joined:
    Aug 13, 2015
    Messages:
    2,139
    I came across another one.

    [​IMG]
     

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