Search found 5 matches

by Dirtbag
Sun Feb 09, 2014 11:15 pm
Forum: Mig and Flux Core - gas metal arc welding & flux cored arc welding
Topic: Bubbles in weld
Replies: 10
Views: 1650

Re: Bubbles in weld

Hello all: Just got back to this forum, to see what sort of insight has percolated. I should have offered a photo or two, but was remiss. Noddybrian, the suggestion to weld something similar is just what I have done this afternoon, albeit the material was not as robust. No bubbles. I'm buying some s...
by Dirtbag
Tue Feb 04, 2014 8:17 pm
Forum: Mig and Flux Core - gas metal arc welding & flux cored arc welding
Topic: Bubbles in weld
Replies: 10
Views: 1650

Bubbles in weld

just finished a Swag Offroad project. Had to assemble a Press Brake. All the welds went smoothly until I got to the press arbor welds to the brake base. The arbor is 3/8" angle, as is the base. I ground the millscale off the edge of the angle prior to welding, then proceeded to tack it in 6 spo...
by Dirtbag
Wed Jan 15, 2014 3:10 am
Forum: Metal Cutting
Topic: Plasma cutter on 4mm Alum or SSteel plate
Replies: 13
Views: 2141

Re: Plasma cutter on 4mm Alum or SSteel plate

"I do this all the time, but like others state, the edges must be cleaned. I use a 60 grit slap disc and it's fast." I've paid diligent attention to the advise about using a dedicated SS brush to clean aluminum to avoid contaminates. I always wondered about the flap discs for that purpose ...
by Dirtbag
Wed Jan 15, 2014 2:59 am
Forum: Metal Cutting
Topic: B-Geesus Its Warm
Replies: 6
Views: 1048

Re: B-Geesus Its Warm

Where ARE you?
by Dirtbag
Wed Jan 15, 2014 2:47 am
Forum: Metal Cutting
Topic: Oxy Gasoline cutting.
Replies: 34
Views: 5829

Re: Oxy Gasoline cutting.

Petrogen does indeed make a gasoline'O2 cutter. We had one on our USAR rig when I was still working. Only used it a couple times, mostly training. Always had visions of a big ka-whump! It's advantage was better portability because you had only one heavy pressurized cylinder to lug around instead of ...