⚡ Welding Forums - Main Page

⚡ Welding Forums Welding of materials for manufacture & repair.. This forums is a Web, Mobile and Social Media interface to sci.engr.joining.welding.
There are 47713 articles in 6063 discussions. See the most recent and the best rated articles in ⚡ Welding Forums

The most recent discussions

Here is the deal on two welders:


August 11, 2016, 2:15 am

Hi, I have two very nice welders that I would like to trade for one, very good portable Miller or LIncoln T.I.G. machine that does it all. One is a Millermatic 200 MIG MACHINE. The other is a Linc... Read more »

Put up US flag on my crane [pictures]


August 6, 2016, 11:14 pm

I hope that I have not done anything disrespectful. Put up a flag on my crane, for various reasons, patriotic and to know which way the wind is blowing. http://www.machinerymoverschicago.com... Read more »

TEST RESULTS was re: inconel or stainless


July 24, 2016, 6:02 pm

I got this oven with grates and a heat exchanger, for scrap, and I am trying to test if it is inconel or stainless. Here's a picture of the heat exchanger: http://www.machinerymoverschica... Read more »

Can 8018 and 9018 welding rod be used in lieu of 7018?


July 18, 2016, 5:41 pm

I have a few unopened cans of 8018 and 9018 welding rod. Can I use them freely like I would 7018? They are stronger, is that going to create any cracking? Read more »

TIG rod sizes?


June 17, 2016, 5:48 pm

I just wound a new longer-lasting(?) spring for a garden spray nozzle from 1/16 type 312 TIG rod, which works but is considerably stiffer than the 0.050 rusted steel spring it replaces. The Airco... Read more »

Tack weld with Tig


June 10, 2016, 12:59 am

I am having a very hard time tacking even for a simple lap joint. I have had my Miller Diversion 165 for about six months now, and, after much practice, can run a decent looking bead on a flat pla... Read more »

Mm250x


May 29, 2016, 7:45 am

How come nobody seems to know about the fact that the mm250x with digital readout you pull the trigger and hold it while you turn it on and it gives you access to the settings menu to adjust burn bac... Read more »

welders learned Finite Element Analysis


May 18, 2016, 1:38 pm

Anyone else here whose first interest is welding learned Finite Element Analysis (FEA)? I've written some webpages describing my experiences and endeavours so far http://www.weldsmith.co.uk/tech... Read more »

Help! My Project is a disaster


April 27, 2016, 7:59 am

Hi all, I recently took up welding. I've started with ARC welding as its the cheape st and most accessible. I spent a few days getting the hang of laying down beads with 6013 rod (the dominant r... Read more »

Replacing the torch cable on a Miller Diversion 165


April 23, 2016, 1:03 am

I managed to mangle the torch cable by pulling it against a running grinding wheel; did not notice what was happening until it nearly cut through. I have the replacement cable, but it is not clear h... Read more »

Click here for other recent discussions »

The best rated discussions

Argon/CO2 for TIG Welding? rating: 5

Is it reasonble to use Argon(75%)/CO2(25%) for TIG welding? I would like to test the TIG feature on an old Miller 330A/BP (new to me) but don't have the money for the Argon tank right now. I alread... Read more »

Oxy-fuel cutting Cast iron and Stainless Steel rating: 5

Cutting of cast iron differs greatly from cutting steel for example Much greater preheat is required Cutting nozzle is oscillated constantly across the cut (much like a weave bead) Oxyge... Read more »

Comparison Millar Syncrowave 250 DX -V- Lincoln Precision TIG 275 rating: 5

I've searched this newsgroup looking for comparisons and opinions on these two machines, just can't decide which way to go based on their brochures. My requirement is for a AC/DC TIG for the home wor... Read more »

Thermal impulse from quenching red hot steel rod in water rating: 5

I want to ask members of this newsgroup if you have experienced or know of any stories about a particular phenomenon when quenching a red hot steel rod in water. I have included posting history b... Read more »

F/S- F/T Airco Pulse Arc 350 rating: 5

Located in So. California. (Santa Ana) With new Tweco gun, matching wirefeeder and some consumables. The machine is in EXCELLENT condition and looks like it came right out of the box. It was purchas... Read more »

pac 125 torch repair rating: 5

I have a Powermax 900 with a PAC 125 torch . Today the torch started smoking and I shut the machine off and took the torch apart. There is a red wire that appears to have been originally soldered to ... Read more »

Lincoln tombstone for TIG rating: 5

Has anybody used a Lincoln 225 ac/dc welder for TIG? Lincoln has/had a kit to convert the machine to a rudementary scratch start tig unit. It included the torch, hose, cable, regulator and flowmeter,... Read more »

Shielding Gas Trade Name vs Composition rating: 5

I was just transfering some information I have on different gases trade name and composition. Some informationn is missing or is in conflict with various sources; Blueshield 3 in australia is diffe... Read more »

Lincoln SA-200 - How to dismount engine from generator end? rating: 5

Can anybody clue me in as to how the generator is mated to the rear of the crankshaft? I have a manual for the Continental F162 engine but no documentation for the welder. Thanks, Vernon Read more »

Thermal Dynamics Cutmaster 81 Vs. Hypertherm rating: 5

Having fallowed this newsgroup for sometime I know that this particular subject has been REALLY gone over in the past but I have a few more questions that haven't addressed. Looking at the spec shee... Read more »

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.