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The most recent discussions

strength test Al (Aluminium, Aluminum) weld for quality

July 26, 2021, 8:58 pm

Hi Been learning Al-GMAW, as seen in other posts. Testing the quality of the weld... With steel welds, if you mess it up, the loss of properties is toughness not strength (in the main, to an appr... Read more »

My First Autogenous Aluminum Weld

July 23, 2021, 8:12 pm

(Not sure if that's the right word.) I needed to make a new moisture trap for my air drier. (dryer?) Instead of playing around with something automatic I decided to make a simple aluminum tank ... Read more »

Flanged Gate Valve

July 23, 2021, 6:46 am

Gate Valve Parts Main gate valve parts: body, seat, gate, stem, bonnet and actuator. The main operation mechanism is very simple. When the handwheel is turned, it rotates the stem, which is translate... Read more »

Al-GMAW - restarts without burnback

July 23, 2021, 5:48 am

Hi all Burn-back to contactor tip on pulling trigger is my big problem at the moment. Wire feed is smooth. I clean out the contactor-tip frequently with an oxy-acetylene nozzle cleaner - the set... Read more »

Al-GMAW - straight run or whipping motion?

July 21, 2021, 6:05 am

Hi again Al-GMAW Some say - straight run Others say - weave or whip You say?? Rich S Read more »

GMAW Al - Pulse or Spray?

July 21, 2021, 5:59 am

Hi Welding overhead into the top corner PD/4F... I was getting burned, and it was ejecvting a blob of metal to every pulse. So switched to straight CV GMAW and - lo-and-behold - no problem - eas... Read more »

Ali GMAW 5356 hints

July 17, 2021, 7:03 am

I'm now doing Ali with GMAW / MIG. 5356 wire. They say my welding is good. I'd like to take a little more searching view of the matter. Any good recommendations for background reading, videos, w... Read more »

7018 fillet vertical down

June 28, 2021, 10:33 am

7018 SMAW 3.2mm dia (1/8th-inch dia.) Had to do it. Overwelded anyway. Started with a bit of v-up just to be sure. But light frame angle-iron to a heavy steel column. Undercut on light section d... Read more »

GMAW Ar/15%CO2 - good? (used in UK)

May 31, 2021, 8:14 am

Hi everyone Reason for saying in UK is there's an orthodoxy which means it's difficult to get other than Ar/20%CO2. So for the rest of the world this wow! moment would come as a surprise. I work... Read more »

lincoln 250-250 code9041 need polarity switch assembly can anyone help plea...

May 9, 2021, 6:15 pm

A 250-250 code 9041 lincoln welding machine need to purchase POLARITY SWITCH can someone help Read more »

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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 »

Arc start question: Miller Synchrowave 250 vs Lincoln Precision TIG 275

rating: 5

I just finished a 2 day TIG class - my first time welding. We welded small (maybe 14 gauge) stainless plates. I used a Miller Synchrowave 250, but near the end of the class I switched to a Lincoln Pr... Read more »

arc welder

rating: 5

I want to buy an arc welder for the home shop.Would a Lincoln 225 amp a/c buzz box be a good selection for someone that does not have much skill at arc welding? With alot of practice,practice,practic... Read more »

Question about installing wiring for a Miller Thunderbolt 225

rating: 5

I want to install a dedicated circuit for a Miller stick welder. The front of the welder says it pulls 47.5 amps, and I've been recommended to use a 60amp breaker at my main panel. I've read some p... Read more »

How much power does a welder use

rating: 5

I have a Kemppi Master 1400 Stick welder that I'd like to be able to use aboard my boat I have a 2400w inverter fitted that I think is a square wave, might be modified square wave. or... I do have ... Read more »

Miller dialarc 250

rating: 5

Hi, I was wondering through one of my favorite surplus store and they had a miller dialarc 250 ready to go. It looked clean. I was wondering about folk's experience with this machine. Is this a good ... Read more »

Weld broken SDS bit?

rating: 5
  [ 2 ]

At Habitat, we are reinforcing a granite block foundation that requires drilling 34 1-1/8 holes, 28 through. On the LAST hole, with 10 to go, the bit broke (see link). The bit is carbide tipped... Read more »

Opinions on Lincoln Precision TIG 185 ...

rating: 5

Hi All, As a longtime lurker and sometimes poster I know I am coming to the best place for opinions on the Lincoln TIG 185.... I have been reading all the posts and understand most of the differences... Read more »

Plasma cutter problem/Can I use a different torch?

rating: 5

I have a Hypertherm Max100 plasma cutter. It used to work great. As of now, it has developed a problem, which is that the arc develops inside the head and burns it. Not sure why or what. My qu... Read more »

Ready Welder?

rating: 5
  [ 2 3 ]

Has anyone ever purchased or used a Ready Welder? http://www.readywelder.com/ Are these good units? Their website says lots of good things about them, but anyone can create a website. Read more »

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