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Thread: What did you learn today?
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22nd June 2012, 12:42 AM #61
Hi John,
Yikes!!! I think we all know once you strike an arc and the world goes dark anything could happen, and as long as its 4" or more from the arc. Hey the world could end and you'd still be there just trying to finish that perfect bead. I have been careful/lucky never to really set fire to my rather long hair. I have singed it a few times but never very badly.
I'm glad you got away with you beard fire without ending up in hospital, that could get real bad fast.1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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22nd June 2012 12:42 AM # ADSGoogle Adsense Advertisement
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22nd June 2012, 01:30 AM #62GOLD MEMBER
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Another thing that can happen with flannel shirts, if the "fuzz" gets just right a fire will shoot over the surface as alarming speed.
I've also set myself alright weling a new floor in a mates car...... he bought me a leather jacket for my birthday.
I also tend to hold my breath on the first weld lol
Stuart
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22nd June 2012, 12:17 PM #63
Funny you should mention that Stuart, I always seem to hold my breath whilst welding.
I can hold my breath for a 500mm electrode now. LolWarning Disclaimer
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22nd June 2012, 01:03 PM #64Dave J Guest
I never find myself holding my breath, probably lucky as some mig beads can be long and I wouldn't be able to hold it that long, LOL
As for burns I grin and bear it and have had a few fires but mainly from the grinding sparks directed the wrong direction onto my clothes. I usually weld in thongs because I cant be bothered getting boots on for a small weld, and have learnt to dance while welding to get rid of the hot bit. If I am doing a lot of welding I will dress right, but if I am machining (especially in the summer) and need to weld something I just weld in what I have on.
I remember years ago the 12-13 year old grand son came to visit and I was building something in the shed. I gave him a helmet as he wanted to watch and started welding. The next thing I knew I heard this big bang, I stopped strait away and started looking around and found a car battery I had on charge and had forgotten about has blown up and split the side out of it. I sent him strait to the shower just in case and we got him a change of clothes.
It's never happened before and never happened since, but gee it went off with a bang and of course I lost the car battery as well.
Another time I welded something for a guy and while we sat outside waiting for it to cool I could smell and see smoke, but it was only a rag that caught fire. I was lucky I saw it as it could have gotten away. Whenever I weld I always make sure I am around or come back and check to make sure nothing caught fire.
Dave
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22nd June 2012, 03:32 PM #65future machinist
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I was tig welding a tank a was wearing shorts the whole side of my leg got 2nd degree sunburn.
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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22nd June 2012, 03:37 PM #66GOLD MEMBER
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22nd June 2012, 06:22 PM #67Dave J Guest
And it's sore for days after.
I have a tendency to squat down when welding and usually get it on the insides of the legs, you soon learn after the first one or two times. Saying that I couldn't count the times I have had a singlet still on after taking it off, LOL
I drove to Queensland years back in the summer and had no shirt on for the trip as it was hot. When we got there I had a white seat belt for the whole holiday as everywhere else was burnt. LOL
Dave
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22nd June 2012, 07:12 PM #68Dave J Guest
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22nd June 2012, 08:01 PM #69SENIOR MEMBER
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HI,
I used to work at a polystyrene factory, when the welders did their stuff someone had to go on fire for four hours just to ensure nothing did catch on fire. Once on fire polystyrene is hard to put out.
Cheers Ben
ps I did learn only last week from one of the welders at work to never weld material after cleaning it with brake cleaner. Really bad fumes.
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22nd June 2012, 08:16 PM #70.
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23rd June 2012, 09:11 PM #71.
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Today I learned that carbide turning inserts which use 4 mm screws are not all interchangeable. The Korloy inserts I purchased have holes that are only 3.81 mm ! Solution, made up a quick and dirty insert holder. So far I'm quite happy with the way its working.
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25th June 2012, 08:31 AM #72Senior Member
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Burning
Hi Blokes
Years ago when I worked up in the Pilbara on a mine site, a Komatsu dump truck needed a new cab fitted as the old one had rusted out on the mounts and could not be repaired.
Fitters took a couple of days removing the old and installing the new one in place, all brand spanking new including the matting on the floor, a little bit of welding was required from underneath the cab, followed by a lick of paint to cover such welding.
Amazing how quick that matting caught fire and even more quickly that whole cabin went up with all the electric cable. Wont say how much that cabin cost, not as much as having a truck out of the fleet not pulling its weight in wealth.
DD
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25th June 2012, 11:06 AM #73Dave J Guest
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25th June 2012, 03:02 PM #74
Keep head clear of carby
In my early days visiting the wife's family, I was helping get the old Ford F100 (?) truck going again. Sorted the plugs, points and timing but it still ran rough. Off with the air cleaner. Nothing obvious.
Father-in-law started it up so I could adjust idle air.
I had climbed up on the bumper and was leaning forward to reach and see where the put the screw driver.
Had my head a little too close as a backfire shot a huge ball of flame upwards, filling the space under the bonnet.
Rather a lopsided hair cut!
Motto: never put head over/near a carby of a running engine (or one attempting to run)!cheers
David
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A society grows great when old men plant trees whose shade they’ll never sit in. (Greek proverb)
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26th June 2012, 06:13 PM #75GOLD MEMBER
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I learnt this lesson a while back but the last story reminded me of it. When my first car, a Datsun 1200 was running rough and loosing water, we suspected a head gasket. So I removed the spark plugs and stood over while my Dad turned the motor over. A jet of boiling water shot out in my face at extreme pressure. No lasting injuries but it was lucky!
Simon
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