⚡ Welding Forums

TIG partial rectification problem?

I am hoping you people can shine some light on this problem I'm having with trying to AC TIG weld Aluminium. I am using...

6 comments posted 20yrs

posted by brucesNOSPAM

6 comments posted 20yrs posted by brucesNOSPAM

Hypertherm 380 and N2

Has anyone used nitrogen with a Hypertherm 380? I'm wondering how much cut time I can get off of a 40 or 80cf cylinder...

3 comments posted 20yrs

posted by cluna

3 comments posted 20yrs posted by cluna

difference btwn thermal dynamics cutmaster and pacmaster?

Im contemplating the purchase of a plasma cutter. I have a oxy/propane cutting torch (harris pro model), but i cant fig...

8 comments posted 20yrs

posted by spjames

8 comments posted 20yrs posted by spjames

Carbide brazing with Mapp/Air torch?

Hello, I need to braze a 1/2" diameter, 1/8" thick tungsten carbide disk (RNG42 - C2 or C5) to the end of a 1/2" diamet...

11 comments posted 20yrs

posted by jonREMOVETHISdanniken

11 comments posted 20yrs posted by jonREMOVETHISdanniken

Very Confusing Manual TD38

so, i'm reading the user manual again and i notice on page 3-2 it says "this power supply includes a input power cord a...

2 comments posted 20yrs

posted by kryptoknight

2 comments posted 20yrs posted by kryptoknight

ARC Welder Power

I recently bought a used arc welder that runs on 230V AC, 60Hz, single phase. It did not come with a male plug, so I pu...

9 comments posted 20yrs

posted by david.mikula

9 comments posted 20yrs posted by david.mikula

What frequency range for square wave AC TIG

As part of my DC to AC tig conversion... I would like to know what is a sensible frequency range. Would, say, the range...

10 comments posted 20yrs

posted by ignoramus14838

10 comments posted 20yrs posted by ignoramus14838

Getting MIG penetration, root/corner fusion

Hi everyone I need to improve my fillet corner fusion. Am back to college tomorrow and need to know what to do. My h-v...

2 comments posted 20yrs

posted by r0d1s3

2 comments posted 20yrs posted by r0d1s3

if mask is + pressured by remote air supply, is this safe ?

I am exploring the best combination of remote supplied filtered air + mask setup regarding: 1-safety 2-cost 3-comfort I...

0 comments posted 20yrs

posted by cc.thomas

0 comments posted 20yrs posted by cc.thomas

oxygen/acetylene gouging tips?

I am now the owner of quite a few oddball torch tips, all of which fit my Airco torch. Ernie was telling me yesterday a...

3 comments posted 20yrs

posted by grant

3 comments posted 20yrs posted by grant

local torch parts score ..

I used to be a shipfitter in Seattle area shipyards. We always used Airco torches. I stopped doing that work in 1980 an...

3 comments posted 20yrs

posted by grant

3 comments posted 20yrs posted by grant

Photos of my inert gas setup

http://igor.chudov.com/projects/Welding/04-Argon-Tank-Setup/ I am thinking of doing something extra to protect the regul...

14 comments posted 20yrs

posted by ignoramus26315

14 comments posted 20yrs posted by ignoramus26315

finally got my Millermatic 250 going

Today Ernie came over and helped me set up my '96 Millermatic 250 and then showed me and a few buddies the basics of MI...

1 comments posted 20yrs

posted by grant

1 comments posted 20yrs posted by grant

Inert gas fittings question (argon)

I have a Victor inert gas regulator. Got myself a inert bottle this morning (see another thread). I also bought an iner...

7 comments posted 20yrs

posted by ignoramus18555

7 comments posted 20yrs posted by ignoramus18555

Got an argon tank this morning

I ended up leasing a argon tank. It is a permanent lease, I put a $240 deposit and will pay for refills. If I ever deci...

2 comments posted 20yrs

posted by ignoramus18555

2 comments posted 20yrs posted by ignoramus18555