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Hi i was welding outside the other day and the weld was rubbish.Bubble affect.There was a little wind but not much,i thought my welder was on its way out.I then had to do a bit of welding on my truck inside the garge and it was a nice weld.So any tips on doing welding out side.My welder has gas so maybe the wind was blowing the gas away.I need to try and weld a sill on my car and would like it to look good.Thanks
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Peace,Max signature height = 80px
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valman
Part of things
Posts: 603
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Mar 23, 2010 10:01:11 GMT
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it is exactly what you think it is: wind blowing away the protective gas. the only thing you could do, if you cant switch to fluxed wire - i wouldn't recommend it unless you really have to, is to get some cardboard and stand it up against the wind somehow securing it in place thus preventing winds blowing away your gas. there are probably other things you could do too
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Mar 23, 2010 10:02:48 GMT
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The only advice is don't weld in the wind!
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93fxdl
Posted a lot
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Posts: 2,000
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Mar 23, 2010 10:08:28 GMT
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as said before don't weld when its windy if you can, put up windbreaks to protect the shield gas from blowing away but also try turning up the gas
ttfn glenn
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Mar 23, 2010 11:44:30 GMT
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If your welding sills aim the car into the wind and use the car door as a winbreak  |
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Mar 23, 2010 17:07:41 GMT
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Its a nightmare, I have to do all my welding outside - I just crank up the gas to silly amounts and try and shield as much as I can.
I'm seriously considering getting some gasless wire, as I've no problems grinding welds clean - mainly for the trolleys I weld back together for work.
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Mar 23, 2010 17:18:23 GMT
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Thanks for the advice.At least i know now its not me.
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Peace,Max signature height = 80px
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valman
Part of things
Posts: 603
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Mar 23, 2010 17:40:42 GMT
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Its a nightmare, I have to do all my welding outside - I just crank up the gas to silly amounts and try and shield as much as I can. I'm seriously considering getting some gasless wire, as I've no problems grinding welds clean - mainly for the trolleys I weld back together for work. aslong as its thick metal, fluxed wire is fine, but on panels its VERY VERY hard to do, |
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tycho
Part of things
Posts: 151
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Mar 24, 2010 11:30:41 GMT
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Can you get away with plug welding the sills on? Plug welds with gasless MIG is a lot easier than seams.
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Mar 24, 2010 11:42:50 GMT
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plugs is how mine was done on the bottom edge. grind it flat and a skim coat of filler and you never know anyway. Ok mine was seam welded across the top which was a pain as the steel had got pretty thick
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Mar 24, 2010 12:58:18 GMT
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I've just been outside welding a couple of patches on me Transit, i cranked the gas up and shielded the weld with my body, its not perfect but it'll do and the grinder will smooth it out. I was more concerned about getting electrocuted when the wind blew my bin bag cover off the welder and the rain started getting in it.  |
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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Mar 24, 2010 13:06:30 GMT
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If it's too windy I don't weld. Otherwise try and cup my hand around the area to shield it and swap to CO2 because it seems to be less vulnerable than argon/mix.
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Mar 24, 2010 15:10:23 GMT
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yeah you need a dry and wind free day. I've had a car on my driveway since last November that needs welding for its MOT. think I'll start on it next month as the weather is a bit warmer
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Mar 24, 2010 16:55:06 GMT
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Hmm what sort of difference does what sort of shield gas you use make as I always use pure CO2?
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