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Welding in cold weather dannydee 12-23-2007
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Posted by on December 23, 2007, 11:47 pm
I broke something on my snowplow. I parked it in my garage and
started to weld. No matter what I tried, my helmet glass kept fogging
up. I even turned on a torpedo heater to no avail. I finally had to
take it off and just weld with three pairs of sunglasses and avoid
looking at it as much as possible. How in the heck do the
professional welders weld in cold weather?

One other thing. Since I was welding indoors, the whole garage filled
with smoke and now I have a horrible headache from it. Its too cold
to open a window. What do welding shops use?

By the way, it's weird to have a mild sunburn on my face on December
23. Welding without the helmet gave me a mild burn. I wont complain,
it's better than being a winter paleface.

This was just an hour of welding, so I just tolderated the bad
conditions.

Dan

Posted by S. Barker on December 24, 2007, 12:02 am
a. warm the helmet and lens first, your warm breath on the cold glass is
what causes the fogging.
b. use a MIG instead of stick welder, there's no smoke.

steve


>I broke something on my snowplow. I parked it in my garage and
> started to weld. No matter what I tried, my helmet glass kept fogging
> up. I even turned on a torpedo heater to no avail. I finally had to
> take it off and just weld with three pairs of sunglasses and avoid
> looking at it as much as possible. How in the heck do the
> professional welders weld in cold weather?
>
> One other thing. Since I was welding indoors, the whole garage filled
> with smoke and now I have a horrible headache from it. Its too cold
> to open a window. What do welding shops use?
>
> By the way, it's weird to have a mild sunburn on my face on December
> 23. Welding without the helmet gave me a mild burn. I wont complain,
> it's better than being a winter paleface.
>
> This was just an hour of welding, so I just tolderated the bad
> conditions.
>
> Dan



Posted by SteveB on December 24, 2007, 7:17 pm

> a. warm the helmet and lens first, your warm breath on the cold glass is
> what causes the fogging.
> b. use a MIG instead of stick welder, there's no smoke.
>
> steve

Be careful with that MIG. Unless you are using flux cored wire, it may be
difficult to get good penetration and fusion without preheating the metal.
And even with FCAW, I'd heat it up first with a torch, otherwise it doesn't
do as well. Steve's right about the smoke part, though.

The other Steve



Posted by S. Barker on December 24, 2007, 8:57 pm
Agreed, the MIG doesn't penetrate like a stick especially if you're using
5P. BUT that being said, plenty of snow plow repairs have been made
successfully with MIG. Pre heat is a good idea. Especially if just coming
in from the outside. AND if you're welding the high carbon cutting edge,
then stick with special alloys is really the only way that will last.

s


>
>> a. warm the helmet and lens first, your warm breath on the cold glass
>> is what causes the fogging.
>> b. use a MIG instead of stick welder, there's no smoke.
>>
>> steve
>
> Be careful with that MIG. Unless you are using flux cored wire, it may be
> difficult to get good penetration and fusion without preheating the metal.
> And even with FCAW, I'd heat it up first with a torch, otherwise it
> doesn't do as well. Steve's right about the smoke part, though.
>
> The other Steve
>



Posted by SteveB on December 25, 2007, 12:09 am

> Agreed, the MIG doesn't penetrate like a stick especially if you're using
> 5P. BUT that being said, plenty of snow plow repairs have been made
> successfully with MIG. Pre heat is a good idea. Especially if just
> coming in from the outside. AND if you're welding the high carbon cutting
> edge, then stick with special alloys is really the only way that will
> last.
>
> s

People can get all in a wad over the topic of welding. Lots of things WILL
work, and even a bubble gum or gorilla weld that lasts is a "good" weld.
It's just if you've done it much, you understand that it's better to do it
once and get it to stick (even if it isn't technically exact) than have to
do it again. Or have it break again and cause more damage or leave you
stuck out somewhere. And then either to grind it all off, or gob more on
there.

When I want something to stick, if it is thick enough, I prefer 7018. But
then, I've probably burned 500# of it in my life.

Any weld that holds is a good weld.

Steve



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