⚡ 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 48159 articles in 6144 discussions. See the most recent and the best rated articles in ⚡ Welding Forums

The most recent discussions

Preflow on MIG

February 3, 2019, 3:50 pm

I know. I know. That's not really a thing. Still I was welding up some T-handles on thread rod for some tools yesterday. I noticed that for just a fraction of a second at the beginning of the fi... Read more »

"Welding" Unknown Pot Metal

January 17, 2019, 7:28 pm

I've got a part I'd like to repair if for no other reason than to be able to do it. The value is much lower than my time. It?s a die cast mystery alu-zinc part. From what I have read the BlueD... Read more »

Weld foot electric motor

December 31, 2018, 8:01 am

Has anyone welded broken foot on electric motor with stick cast rods, I presume I should bolt earth to good foot securely, but any hints AC/ DC positive or neg earth? Should I earth separately to... Read more »

TIG vs Pulse TIG

December 30, 2018, 7:29 pm

My primary interest in TIG is to do cleaner aluminum welds with stock that is really outside my practical ability with my MIG setup. This means I am primarily looking at AC TIG welding. Yes once ... Read more »

Mea culpa - 7016 polarity :-)

December 7, 2018, 3:16 am

Hello all Hilarious driving home of a lesson about electrodes and the polarity they need. Yesterday, all way from 0730 to morning break at 10am, had the welding machine on DCEN for 7016 rods. Di... Read more »

single-run hori-vert (2F/PB) SMAW fillets getting near-perfect

November 24, 2018, 7:01 am

Hiya Can't believe this! I'm not easily optimising and arriving on the perfect repeatable condition, despite all these years welding, It's about productivity. I can do it perfectly, but when I ... Read more »

gas cutting specs with sight correction

November 20, 2018, 9:45 pm

Hi Got welding visor sorted - fresnel lens before filter. Now - 'nother similar matter but can't see solution. Want something I can keep in my welding bag - and old day-bag - which offers me a si... Read more »

Powcon stick welder - good welds

November 20, 2018, 9:34 pm

Hi everyone. I used a Powcon welding machine to SMAW / stick to weld some steel for civils today - first use of a Powcon welding machine. With 7018 3.2mm (1/8th-inch) rods. My impression - on onl... Read more »

need perfect radius

November 8, 2018, 3:08 pm

Greetings. I am making a lamp for my living room. I will use a 45 pound plate for the base and some 1/2 rebar for the lamp itself. Base will be on one wall an d light bulb will be about 7' away... Read more »

welder no arc

October 30, 2018, 11:38 pm

powncon 300sm no arc,mice built nest in machine,blew out,still no arc,cant see any wires damaged,need help Read more »

Click here for other recent discussions »

The best rated discussions

Brazing or welding thick copper?

rating: 5

I will be making a gate for the entrance to a house and will need to join some thick copper rectangular bar. The 0.5 x 1 110 copper bar is for the gate frame and the infill of the gate will mostly be... Read more »

Thermal Arc Pro-Wave vs. Arc Master?

rating: 5

OK, so I apparanantly waited way too long to buy a Pro-Wave 185 on eBay ($1800) and now for some unknown reason the replacement welder (Arc-Master) is $2500. Didn't Thermal Arc know they had the AC/D... Read more »

Astro Pneumatic Plasma Cutter - out of business? sold to another company?

rating: 5

I'm thinking about picking up a non-functioning AstroPlasma 300 (220v machine) for $150. Apparently it's made in Italy. Can't find too much info on the web about it. Daytona Mig sells consumables, ma... Read more »

Tigging 12L14?

rating: 5

http://www.youtube.com/watch?v=ge4MhOYKEHs&feature=em-subs_digest I always thought this was impossible. Granted, he says it's not for importa nt structural welds, but still, this opens up a new wo... Read more »

Spot welding 18 gauge to 10 gauge mild steel

rating: 5

Is it possible to spot weld thinner 18 gauge sheet metal to heavier 1/8 angle iron? A spot welder is one tool missing from my shop and since these things seem to run in the $500 plus range, some inpu... Read more »

Rustbuster rod?

rating: 5

Does anyone have experience with the Rustbuster Rod by US forge. The user sheet claims it welds all dirty steels, all positions. The rod has a rough brown coating. Thanks, Will Read more »

propane torch conversion to natural gas?

rating: 5

Brazing, not welding, but .. I have some propane/air torches I want to convert to natural gas (methane). Can I just swap the jets - and should they be bigger or smaller? How much? Thanks -- Peter Fa... Read more »

Single carbon-arc welding

rating: 5

Where might I find a detailed description of welding using a single carbon arc electrode? Google finds references to twin-carbon torches, but that's different. Wikipedia mentions CAW but says onl... Read more »

I need a small water pump

rating: 5

I need a small water pump for hooking up a TIG torch. Ive got a big chiller, but its about 5 gallons a minute and the size of a dorm refridgerator.. I need a 24VAC or 110 or 220 1ph pump that wi... Read more »

Welding is 5th worst job out of 200?

rating: 5

http://www.careercast.com/jobs/content/ten-worst-jobs-2010-jobs-rated They do not like physical demands, stress, and job outlook. Miller had a blog article protesting this and I think that they are p... 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.