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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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Caution Around Power Tools
She was happy cutting through 1/8" aluminum but she coughed at Stainless Steel Wire Cloth.
Was wearing my polycarbonate face shield and leather gloves. When she blew, the fragments cut through my gloves and banged my left index and obscene street gesture finger. 'Thought at first that both were broken...plopped my hand into ice water immediately. Both fingers bled pretty good and swelled up bigger than the size of my wrist, This was 4 days ago...no broken fingers...swelling is way down...but still hurts like hell. Be careful, boys. .  . SS Wire Cloth (Hypermotard oil cooler screen) . 
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View |
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08-05-2015, 10:01 AM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 55,844
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Glad you'll again be able to deliver the shocker. Be careful out there.
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08-05-2015, 10:08 AM
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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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Got it.
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View |
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08-05-2015, 10:11 AM
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<insert witty title here>
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Same thing happened to me last year, and my disc looked a lot like that one. I was VERY lucky and got away with a nasty bruise on my inner forearm, above the wrist. I can only imagine what might've happened if it hit me in the face.
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Current: 1987 911 cabrio Past: 1972 911t 3.0, 1986 911, 1983 944, 1999 Boxster |
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08-05-2015, 10:32 AM
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abides.
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Who made the disc?
I've always wondered how many cutting wheels let go when people use them inproperly for grinding instead.
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Graham 1984 Carrera Targa |
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08-05-2015, 10:45 AM
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Vaccinated and Boosted
Join Date: Mar 2007
Location: Ohio
Posts: 1,577
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Had an employee who installed a low RPM disc on a high RPM grinder...needless to say it ended poorly!! Had to have emergency surgery to remove parts of the disc from his thigh!!!
MAKE SURE YOU CHECK THE RPM rating for the grinder and the discs!!
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2013 911 Turbo S 2025 Lexus TX350, 2024 Honda CRV Hybrid 1930 Cadillac V8, 1991 Ford F250, 2023 Chevy Colorado And some garage space.... |
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08-05-2015, 10:51 AM
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Registered
Join Date: Apr 2007
Location: wisconsin
Posts: 2,553
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Glad you are ok...
The key seems to stay out of the possible path of the disc if it fractures... The pieces can only fly off tangentially due to centrifigal force... DON'T put your face into the plane of rotation... Scary stuff... |
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08-05-2015, 11:05 AM
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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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Quote:
. Christien: "I can only imagine what might've happened if it hit me in the face." . Can you imagine the damage?  . I tend to be conscious of my hands/face/eyes around power tools. Learned that in the military & working for the gov't for 5 years. They are overly cautious...and rightfully so. . Bosch disc...about 10 yrs. old...but only used 4 or 5 times. . 
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View |
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08-05-2015, 11:09 AM
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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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Quote:
 . BTW, my left hand was also on the grinder...underneath. So it caught the debris.
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View Last edited by Don Ro; 08-05-2015 at 11:13 AM.. |
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08-05-2015, 11:10 AM
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Checked out
Join Date: Jun 2009
Location: On a beach
Posts: 10,127
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Thanks for the warning.
I misuse those things all the time. I'll consider myself lucky that nothing bad has happened so far, and be much more careful in the future! |
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08-05-2015, 11:25 AM
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Banned
Join Date: Feb 2008
Posts: 18,646
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Never use one of those without eyes. I had a friend in his shop frag one. Embedded in a 15ft shop ceiling. Still their 5 years later.
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08-05-2015, 11:26 AM
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Registered
Join Date: Jul 2003
Location: Valencia Pa.
Posts: 8,844
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Timely thread. I just went to the emergency room a few weeks back. Regular stuff, cut an exhaust pipe, and I was cleaning it up for welds with one of these:
 I still have no idea what happened, but in a split second, the grinder was in my face. I had safety glasses on, but my nose got stuck between the wire wheel, and the guard on the grinder at full throttle. It hit me so hard, I was stunned, and when I came to, and looked down at my yellow work shirt, it was dripping red,. I knew I was in trouble. I washed it out, and took a look in the mirror, and I when I could see bone, I knew I was going to the ER. 6 stitches and a few weeks later, I'm doing o.k , but have a new found fear of the grinder. I bought a full face mask the next day. I use these things all the time, I was lucky it did not go into my eyes. Be careful friends!
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No left turn un stoned |
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08-05-2015, 11:42 AM
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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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"...but have a new found fear of the grinder."
~~~~~~ Nasty event!!! Wow, eh? I did also. But a couple of days later I mounted a new disc and got back on the horse.
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View |
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08-05-2015, 11:45 AM
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least common denominator
Join Date: Aug 2001
Location: San Pedro,CA
Posts: 22,506
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You guys are freaking me out a little.
A few years back my brother gifted my one of China's finest angel grinders he purchased from the good folks at harbor freight as a Christmas present. I don't do much metal work so it sat on the workbench. Needed to trim down some plastic electrical plates for the front house... tried jig and circular saw but chip/cracks galore... so I went acoss the alley to my contractor buddy who suggested a cutoff wheel in my grinder... off to home depot I go and zippity do dah plates all trimmed. Then the hinges on the old iron gate on the side of the house rusted out and the gate fell off. Back to home depot for new hinges... get out the cut off wheel to trim off what is left of the old hinges on the gate. No scary story and I do wear hearing protection and a face shield... did I mention I don't do much metal work? Think I'm going to keep it that way!
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Gary Fisher 29er 2019 Kia Stinger 2.0t gone  1995 Miata Sold 1984 944 Sold I am not lost for I know where I am, however where I am is lost. - Winnie the poo. Last edited by scottmandue; 08-05-2015 at 12:34 PM.. |
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08-05-2015, 12:13 PM
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Registered
Join Date: Dec 2001
Location: Cambridge, MA
Posts: 44,270
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Amateurs.
Don, your grinder is way too clean. I found out today a mapp torch needs a little help getting old JB Welded Elephant Racing bearings off of spring plates. Precision tools these things can be.  
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Tru6 Restoration & Design |
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08-05-2015, 12:13 PM
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Registered
Join Date: Sep 2001
Location: Dismal Nitch, AZ
Posts: 9,042
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That's a precision job there, Mr.
Nice cuts.
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Don . "Fully integrated people, in their transparency, tend to not be subject to mechanisms of defense, disguise, deceit, and fraudulence." - - Don R. 1994, an excerpt from My Ass From a Hole in the Ground - A Comparative View |
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08-05-2015, 12:27 PM
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least common denominator
Join Date: Aug 2001
Location: San Pedro,CA
Posts: 22,506
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Quote:
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Gary Fisher 29er 2019 Kia Stinger 2.0t gone 1995 Miata Sold 1984 944 Sold I am not lost for I know where I am, however where I am is lost. - Winnie the poo. |
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08-05-2015, 12:36 PM
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non-whiner
Join Date: Aug 2012
Location: Slightly right of center
Posts: 5,235
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That and the pesky handle delete. My 22 year old Dewalt grinder looks a lot like that one except the cord got brittle and cracked, so it has three rolls of electrical tape holding it together. Still works like a boss!
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"Too much is just enough." |
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08-05-2015, 12:44 PM
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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,189
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Great PSA
I'll add, go slowly with these things. Fast heating expands the circumference, setting up high internal stresses.
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee. 
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08-05-2015, 12:52 PM
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Registered
Join Date: Dec 2001
Location: Cambridge, MA
Posts: 44,270
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Obviously open for debate, but my best, longest lasting, strongest power tools are all Dewalt.
  
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Tru6 Restoration & Design |
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08-05-2015, 01:00 PM
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1972 Porsche 911T 2.4
1984 Porsche Carrera Targa
