Cleaning up some mushrooms
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  1. #1
    Join Date
    Dec 2015
    Posts
    163

    Cleaning up some mushrooms

    Decided it was time to clean up some mushrooms on the ends of a couple of prybars. I was going to simply grind them down but then I thought why not use my new portable bandsaw and take advantage of the new stand I made and just cut them off.

    http://weldingweb.com/showthread.php...21#post8494721

    This is a photo of the first mushroom cap cut off
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    The bottom side of the cut
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    Then I went after the second mushroom cap and cut it off
    Name:  BigMushroom.JPG
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    The bottom side of the cut
    Name:  BigMushroom2.JPG
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    That crack was a big mess so I took off another slice which just broke apart during the cut
    Name:  BigMushroom3.JPG
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Size:  128.7 KB

  2. #2
    Join Date
    Dec 2015
    Posts
    163

    Re: Cleaning up some mushrooms

    I wanted to get to the bottom of this so I took off another slice
    Name:  BigMushroom4.JPG
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    ...and another
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    ..and one more to be sure
    Name:  BigMushroom6.JPG
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    Finally, no more cracks. But it was an interesting lesson and I'm glad I decided to cut off the caps instead of grinding them down.

    Here's a summary comparison
    Name:  BigMushroom7.JPG
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Size:  126.9 KB

  3. #3
    Join Date
    Mar 2004
    Location
    B.C. Canada
    Posts
    2,668

    Re: Cleaning up some mushrooms

    I have been told about this hazard but never have seen a graphic example. It is a very good reason grind mushrooms before they become shrapnel.

  4. #4
    Join Date
    May 2014
    Location
    Manitoba Canada
    Posts
    1,611

    Re: Cleaning up some mushrooms

    Oh, those mushrooms.... I totally misunderstood...in my defence it is Friday...
    F-225 amp Forney AC Stick
    230 amp Sears AC Stick
    Lincoln 180C MIG
    Victor Medalist 350 O/A

  5. #5
    Join Date
    Dec 2013
    Location
    Mount Tabor VT
    Posts
    4,502

    Re: Cleaning up some mushrooms

    Once Mill stones ground grain into flour. The flat thing was easy, let them rub. The grooves that let the coarse grain disperse across the stones had to be cut. It was a highly skilled trade. Little bits of mushroom would fly off, embedding in the forearms, and hands, and face. As time passed, these became black spots visible under the skin. Before hiring, he would have to "SHOW HIS METAL". A lot of metal proved experience. I wonder what he did to protect his eyes?

    Willie
    An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.

  6. #6
    Join Date
    Feb 2004
    Location
    TX
    Posts
    56

    Re: Cleaning up some mushrooms

    That's interesting and kind of scary.

  7. #7
    Join Date
    Jun 2008
    Location
    Hardwood Lands, Nova Scotia, Canada
    Posts
    1,727

    Re: Cleaning up some mushrooms

    Speaking of mushrooms flying.
    Quite a few years ago we used to rebuild engines in the shop, a fella was using a three jaw puller to pull the harmonic balancer of the front of a diesel, he had a good bit of strain on it, wouldn't move so he gave it a belt with a hammer. A piece flew off the end and severed an artery in his forearm, didn't just cut it, severed it. Looked like a water fountain spraying cherry Koolaid. It was quite an operation to fix as the artery retracted both ways when it was cut, he ended up with quite a gash on his arm.
    It was a new SnapOn puller so they were called and were told that the puller was faulty as it broke when hit. Nope, even tho the nut is chamfered like it was made to be hit, it's not supposed to be it actually said in the instructions not to hit it........................Mike

  8. #8
    Join Date
    Jan 2016
    Posts
    2,296

    Re: Cleaning up some mushrooms

    A trick told to me by an old timer was to use some brazing rod and coat the tops of chisels or any bar you will be beating with a hammer, the softer braze will hold in any flying chips as it is softer than the steel and wont crack and fly off..

  9. #9
    Join Date
    Nov 2012
    Location
    new york city
    Posts
    6,045

    Re: Cleaning up some mushrooms

    i prefer to grind my chisel/punch ends to shortening my tools by cutting. on my 12" chisel i slipped a 1" hex nut over the striking end and welded it to present a larger striking surface.
    i.u.o.e. # 15
    queens, ny and sunny fla

  10. #10
    Join Date
    Sep 2013
    Location
    Upstate NY
    Posts
    2,424

    Re: Cleaning up some mushrooms

    When I 'inherited' many strikeable tools from my dad, most were badly mushroomed.

    For a couple of years, I would stop a project to grind off the deformed metal before using the chisel, drift, etc.

    I haven't been hit by metal chips yet!

    The perminant damage to base of the left index finger is testimate to the accuracy of my aim with a hammer....
    Be wary of The Numbers: Figures don't lie,. but liars can figure.
    Welders:
    2008 Lincoln 140 GMAW&FCAW
    2012 HF 165 'toy' GTAW&SMAW
    1970's Cobbled together O/A

  11. #11
    Join Date
    Apr 2016
    Location
    CA
    Posts
    3,067

    Re: Cleaning up some mushrooms

    Very interesting and informative thank you for sharing.

    I like the add braze to the striking zone of the chisel tip Hobby
    '65 Lincoln Idealarc 250 AC/DC
    ESAB REBEL EMP 215ic
    L-tec PCM-VPi 40A plasma
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  12. #12
    Join Date
    Jan 2017
    Location
    Dallas, TX
    Posts
    36

    Re: Cleaning up some mushrooms

    When the first sign of mushrooming happens, grind it off. Best to chamfer the ends a bit so they don't mushroom. I had a piece fly off a chisel and imbed in my hand like a bullet.....took surgery to remove. ALWAYS wear eye protection when hammering on anything.

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