Welding question

[keyswitch1]

I used my pro-mig Lincoln electric welder to install a patch panel on

my model a the other day.

It has been a long time since I used this and I forgot to hook the bottle up to

it. It is 75% percent argon and 25% carbon dioxde up.

Question is should I start over with welding the panel again[LIST]
Thank you for your help !!

[holdover]

the gas acts as a shield, without it the weld may look terrible and not be sound.

[1ton]

My guess is that you already have the answer to your question. Go with it and you will be happier in the long run.

[Dennis Pereira]

I think I would grind the welds and have a look .

[midgetracer]

Without the Ar/CO2, the welds must look bad and have no strength. Grinding them will show lots of pin holes.

[77Birdman]

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Are you sure you didn't use a flux core wire? One time I forgot to turn the gas on and I couldn't get the weld to work for *&*(*&, then I realized what I didn't do.
Having said that I would follow the #4 post. Then re-weld as necessary, be careful with the heat.

[Nosetime]

agree with Birdman. You may have flux wire in the machine, it should have welded and looked like shit with the gas off. Check your wire spool.

[Joe K]

Gosh I love my MIG (Lincoln SP135) The sound when you get it "right" (frying eggs) is like music to my ears.


Want to re-learn use of a MIG? Try welding aluminum using the special "kit" and pure argon. It works - kind of.



Joe K

[d.j. moordigian]

Originally Posted by midgetracer

Without the Ar/CO2, the welds must look bad and have no strength. Grinding them will show lots of pin holes.

The pin holes are " porosity "..
You may even see through the weld! Weld with porosity is NOT a good weld..
The fellow that did the welding,..Look up the word porosity.

[whirnot]

Originally Posted by Joe K

Gosh I love my MIG (Lincoln SP135) The sound when you get it "right" (frying eggs) is like music to my ears.


Want to re-learn use of a MIG? Try welding aluminum using the special "kit" and pure argon. It works - kind of.


Joe K

Welding aluminum with a mig just takes practice. I once welded two pop cans together with one.

[GB SISSON]

Pin holes and bubbles galore when I forget to turn on the gas. It is very ugly without the gas and you can just break off a bolt welded to a piece of strap with it....

[keyswitch1]

It took me awhile but decided to do it YOUR way and the best part the welds are a lot better !!!!!!!!!!!!!!! I think five cars may be to much at 72 ?

? Thank you all very much !!