TimC
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| posted on 3/2/12 at 08:53 PM |
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More spatter in cold weather?
Evening all. Had a go at welding my pedal box in this evening. Went ok in the main but for some reason I was producing LOTS of spatter. Mig's
setting unchanged since the weekend when I had no issues. What's going on?
Ta,
Tim the welding novice.
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MakeEverything
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| posted on 3/2/12 at 09:04 PM |
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Gas ok, or gas less?
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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TimC
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| posted on 3/2/12 at 09:06 PM |
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Gas ok as far as I could tell. I turned it up a bit but still not great.
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Peteff
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| posted on 3/2/12 at 09:17 PM |
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Ambient temperature shouldn't make any difference to the weld, it's more likely something you are doing different without realising like
changing the gun angle or pulling instead of pushing.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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Tatey
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| posted on 3/2/12 at 09:18 PM |
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Your not using any magnets to hold the pedal box together are you? I recently had welding issues with brake line brackets, I checked everything,
turned out it was the welding magnet behind the bracket that was screwing everything up.
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T66
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| posted on 3/2/12 at 09:23 PM |
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Gas left in your bottle ? regulator turned down, draughty part of the garage ?
Unclean job, my Lada had underseal like earwax which caused huge splatters.
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fesycresy
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| posted on 3/2/12 at 09:30 PM |
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Moisture in the atmosphere can affect spatter. Try flashing a turbo torch over the steel first and then see if you get the problem.
The pedal box isn't oily is it?
Have you made sure your shroud is clear, the majority of spatter problems come from a poor shield.
Also voltage / current settings affect it, but you haven't altered these and I assume the steels are the same thickness?
What spatter spray are you using, I've got the vegetable oil based one at the moment and I think it's not as good.
-----------------------------------------------------------------------------------------------------
The sooner you fall behind, the more time you'll have to catch up.
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TimC
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| posted on 3/2/12 at 09:43 PM |
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Hmm...
No magnets, cleaned and dried before hand, gas seems okay. Not using anti-spatter and not really had issues up to now.
I'll try again tomorrow.
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Wadders
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| posted on 3/2/12 at 10:51 PM |
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Are you using argoshield or co2, if its co2 your bottle could be freezing up.
Al.
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arrow-engineering
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| posted on 4/2/12 at 12:25 AM |
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ive been having this when its cold, the regulator ices up and it doesnt flow right, ive been pointing a little heater at the mig while working. as
soon as the bottle and reg warm up welding goes back to normal.
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fullpint
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| posted on 4/2/12 at 07:56 AM |
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quote:
Originally posted by arrow-engineering
ive been having this when its cold, the regulator ices up and it doesnt flow right, ive been pointing a little heater at the mig while working. as
soon as the bottle and reg warm up welding goes back to normal.
I've heard of this before. Tim; It was a cold one yesterday. I had to warm up the fan on my oven (and control box on the extraction) with a
blower before any thing was going to work.
Wait till the afternoon mate. Pop a little heater in the garage an hour or so before you fire up the TIG unit 
I've over 28 years in dealing with magnesium wheels. Refurbishment and can powder coat most metal parts. Visit my web site if you wish..
www.tpcs-magnesium-refurbs.co.uk
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mad4x4
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| posted on 4/2/12 at 09:58 AM |
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Ambient temperature will change the gas volume and flow as the pressure in the cylinder will drop as temp goes down (not that much) but may require
you to turn up the flow a bit
Scot's do it better in Kilts.
MK INDY's Don't Self Centre Regardless of MK Setting !
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DIY Si
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| posted on 4/2/12 at 10:14 AM |
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quote:
Originally posted by arrow-engineering
ive been having this when its cold, the regulator ices up and it doesnt flow right, ive been pointing a little heater at the mig while working. as
soon as the bottle and reg warm up welding goes back to normal.
I'd go with this. I had major issues with my welder the other day for exactly the same reason: the reg had partly frozen up. It would flow ok
for a couple of seconds and then stop. So the welds start nicely and then just dissolve to splatter as the gas stops. Easily solved as said with a
little fan heater.
Oh, and that's with Argon/CO2 mix on a 6 month old reg on a Migatronic should it make nay difference.
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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omega 24 v6
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| posted on 4/2/12 at 11:32 AM |
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Damp atmosphere over the week causing your welding wire to rust??
If it looks wrong it probably is wrong.
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benchmark51
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| posted on 28/10/12 at 03:38 PM |
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I have recently got a new bottle from Hobbyweld, it is argon/co2 mix. The difference from using just co2 is brilliant.
I also find cleanliness of the metal, front and rear, is important. Replacing the contact tip regularly and minimse draughts all help.
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