I don't know what's inside that machine but it sounds like there is a short between the welding circuit and mains ground. Assuming the case is grounded (connected to mains ground), your open circuit voltage of 82V will appear (probably) between the return clamp and the case (or mains ground). It is ...

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Jack

Like these?

https://www.boc.com.au/shop/en/au/front ... -bp0020000

Binzel

Jack

I realise it doesn't help you much but I am curious how that is an upgrade. I would go to the ball type rather than from it. Is what you have of poor quality - or broken - that you want to change?

Jack

This entire years old thread is a solution in search of a problem. :roll: A single, moment of a rush of argon is completely inconsequential to welding. Anyone who doesn’t tap a pedal when first setting up, or checking for leaks after a tank swap is an alien. You can’t even begin to calculate the “l...

HI folks. I have the welder listed below. It came with a flowmeter. I was wondering if the pressure is too high though. When I start a weld there's a big gush. I don't know if it's adjustable. I could put a regulator ahead of the flowmeter I guess. I don't know if this affects my Al but my steel lo...

to add, mig (mild steel) is actually mag ie active gas. Yes, that's true. But you are not going to change the seemingly millions of people who call anything with a wire feeder "MIG". That's why I wrote "MIG (GMAW & FCAW-G)". here tri mix is the norm which has a small amount ...

Can someone explain to me what exactly is happening with mild steel mig with 100% argon vs mild steel tig using 100% argon? I't not just shielding gas. Some other molecular activity involved. What sort of molecular activity are you seeing? TIG uses DCEN and, even though the current in the ARC is ma...

He's tried from 20%-50% on the AC balance with little to no cleaning action. Cleaning will only occur where there is gas coverage so even if there is sufficient balance adjustment, cleaning won't happen if (say) the cup is too small. I only asked because wouldn't he be on the wrong side of the bala...

Here's a weird question. When I buy C25, is it 25% CO2 by mass, volume, or what? The relevant standards will tell you but, like you, I don't have them. However, BOC states: The designation system shall be based on volumetric percentages. https://www.boc-gas.com.au/en/images/BOC_223453_Shielding%20G...

Can you add a small load to the generator to keep it revving but not so big it starves the welding machine?

Jack

I have seen many videos where the weld looks like "stacked dimes" but mine seem to be the correct height and width but smooth. Lincoln Square Wave 200, 1/8" mild steel, 3/38 Lazr tungsten, 120 amps, 1pps. Ideas? No doubt with a key word of "dimes", there will be other posts...

In addition, if you have a single stage regulator, when you swap from an empty cylinder to a full one, your regulated pressure and flow will be less. Depending on your setup, it may be quite a bit less. You need to check that the flow with the full cylinder is sufficient for the job - in your case, ...

cj737 wrote: ↑Sun Jun 18, 2023 1:55 pm Any TIG or MIG machine can also be used to Stick weld.

I assume that was an unintended statement - it applies to TIG but not to MIG.

Jack

Sorry to mention the obvious, but do you have the leads the right way around? It matters in AC so the balance works properly.

Jack

Another great product option is Toilet Bowl cleaner. Stronger than vinegar, works a bit faster, and easily neutralized by fresh water. Wet the surface, pour on the Cleaner, watch is bubble, when bubbles subside, rinse and dry and oil. Done. If it makes a difference to you, that probably contains hy...

Another great product option is Toilet Bowl cleaner. Stronger than vinegar, works a bit faster, and easily neutralized by fresh water. Wet the surface, pour on the Cleaner, watch is bubble, when bubbles subside, rinse and dry and oil. Done. If it makes a difference to you, that probably contains hy...

Oscar wrote: ↑Thu Jun 01, 2023 10:57 am Zero chance as I don't have an oscilloscope.

What a shame, but thanks anyway.

Jack

Hello Oscar, What is the chance of you getting some graphs of the MIG pulse and double pulse waveforms (shape + magnitude)? I am interested to see what the peak current is. Some machines set the maximum peak current at the nominal maximum current of the machine meaning that the average is considerab...

Ok looked at my torch wiring a bit more and found that is the correct partnumber as once I cut the sheething back I found the connector about 1.8 meters back from the torch and that is indeed the part that has failed so hopefully this should be easy from here now I know the part number I need. Havi...

OK so now on the phone to the kemppi reps here in NZ. One of them just tried to tell me (I guess its possible) that this kemppi main current line for the TTC 250 W torch is just as expensive as buying a completely new torch (obviously the newer style ones). This main line splits at the machine end ...

Hi cj737 I know that gas only flows while squeezing the trigger, but I wasn't sure if I should be setting the gauge while squeezing the trigger. I think what is happening here is I'm confusing a flow meter for a pressure gauge. A pressure gauge is what I have. A flowmeter is the little ball that's ...

Oscar wrote: ↑Mon Apr 10, 2023 8:06 pm I've had some leak. Tape won't help on the threads because they dont seal, BUT put some on the cone and watch those soap bubbles disappear.

That's good for sealing the filter in the regulator as well

Jack

tweake wrote: ↑Wed Apr 05, 2023 12:52 am as above, they don't seal on the thread. they seal on the oring or rubber tip thats on the end.

Yes, and some are just brass with no O-ring so it is even more important to have good surfaces. As brass is soft it is a bit forgiving but that also means you don't over tighten it.

Jack

MCMIG85 wrote: ↑Tue Apr 04, 2023 9:09 pm I bought the tank and welder used. This is the first time I've actually checked for leaks. The threads look okay to me. And no dirt.

Look at the nipple and the seat. If there are dings it will leak.

Jack