|
|
I got my bottle filed at airgas yesterday (80/20 mix)I am using a lincoln 3200hd mig welder with .023 wire.My first attempt was trying to attach 2 pieces together (L-shaped).It was a complete failure....LOL I didnt even bother taking pics because it just fell apart.So I decided to try welding some beads. These welds are on 1/8" (approx) steel.Please be gentle. LOLLincoln 3200HDNo Welding Experience.....NONE
Reply:I dont know if this matters, but the weld on the left is A-3.5 on the welder and the right is B-4.5I was running the gas at 20 lbs.Lincoln 3200HDNo Welding Experience.....NONE
Reply:Looks like you have the machine set too low. to do 1/8" with that machine you will need to be close to the max "heat" setting and adjust the wire speed accordingly. What setting are you on, and how does that compare with the chart under the door?I'd have the machine set to D and my wire probably up around 6-7 to start and see how that worked..No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan
Reply:I will try that tomorrow night. I was a little thrown off by all the black around the welds. What causes that to happen?Lincoln 3200HDNo Welding Experience.....NONE
Reply:Originally Posted by theycallmeSDZI will try that tomorrow night. I was a little thrown off by all the black around the welds. What causes that to happen?
Reply:How far are you holding the gun from the work?.No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan
Reply:Originally Posted by weldermikeLack of gas flow, Do you have your flowmeter set right?
Reply:Originally Posted by DSWHow far are you holding the gun from the work?
Reply:Originally Posted by theycallmeSDZI got my bottle filed at airgas yesterday (80/20 mix)I am using a lincoln 3200hd mig welder with .023 wire.My first attempt was trying to attach 2 pieces together (L-shaped).It was a complete failure....LOL I didnt even bother taking pics because it just fell apart.So I decided to try welding some beads. These welds are on 1/8" (approx) steel.Please be gentle. LOL
Reply:Thanks alot. I really appreciate the encouragement. I am trying to get good enough to weld floor pans and body panels on my 1984 jetta project.The body panels are mainly spot welded, so that shouldnt be bad at all. Its the floors that have me worried,Lincoln 3200HDNo Welding Experience.....NONE
Reply:Right now, don't even worry about joining pieces together. Get use to running a consistent bead, watch the puddle. Burning through the sheet metal will be your next frustration. Good luck, FYI auto body repair is where I caught the welding bug.If you don't want to stand behind our Troops, feel free to stand in front of them.
Reply:Just play with your heat and wire speed, followed by practicing your rate of travel. You might want to bump up your gas flow a little, and get your tip a little closer than 1/2". A good audio cue for beginners is to listen for the sound of bacon frying. You'll get the hang of it before you're through one or two pounds of wire.www.triarc.us
Reply:Did you make sure the machine polarity is set right?If it was set for flux core before you changed to gas it needs to be reversed.Make sure can hear and feel gas coming out of the gun nozzle. It looks like lack of shielding gas as well.Last edited by Drf255; 01-09-2013 at 05:49 AM.TA Arcmaster 300CM3XMT 304S22P12 suitcase feederX-Treme 12VSOptima pulserTA161SMaxstar 150STLHypertherm PM45OP setupStihl 020AVP, 039, 066 Magnum
Reply:As a new hobby welder, I kept reading about "watch the puddle", but since I didn't really understand what the puddle was, I did not know what to watch or what it should look like. But that truly is one of the first "ah-ha" moments. Try to get the arc going and leave it in place long enough for the parent material to melt into a puddle. Once the puddle is formed you can move the wire forward bringing the puddle with you and melting additional parent material. Most new guys start moving the arc before the steel has melted and you are just adding a little wire to the top of it and NOT welding anything. Usually they are moving too fast. Better to slow down, see the puddle, and practice moving it too slow than too fast. You will get the feel for it and speed up.Once you see the puddle and can move it forward consistently, put two pieces of steel close together and practice running the bead so that the puddle is on both pieces and the bead is in the gap. Those 2 pieces will actually be welded - ie the molten metal from both sides run together and when cool they are 1 piece.Good luck. I've been doing this for 6+ years and I'm still not a welder.Burt _____________________Miller Syncrowave 250Millermatic 211Miller 375 Plasma Cutter Hobart Handler 12010FtDrillBit.com
Reply:That thick of material will definitely call for your highest voltage tap and about 6-8 on the wire feed (I'd start about 7 and go from there). Also, is your material galvanized? Looks like it might be from the pics, and if the zinc is on there it's going to weld like arse.Also stickout length, I've found most people starting carry way more stick out length than they think they are (me included). Tilt the gun about 20-30 degrees towards the workpiece (I like to push with GMAW), hold it 1/4" above the workpiece, and keep it in place until the puddle forms as someone else said. Then slowly move forward (about 1" per second roughly, you really just have to get a feel for the welder). Also, it looks like you're pulling the gun back as you're travelling. This is a natural reaction (I'm guilty of that too at first), but it makes the popping and arcing even worse. I found it helped me learn to keep a constant stickout length by using my left hand to brace to gun hand against the workpiece and steady it. Then move everything together. Just move in a straight line now, work on movements once you've got a perfectly steady, smooth travel down.
Reply:Excellent info guys!!!!It is zinc coated metal. I am going to practice ALOT more on saturday and sunday. Hopefully I gain enough confidence to move onto patching the floors in my jetta.Lincoln 3200HDNo Welding Experience.....NONE
Reply:Be careful with the fumes/smoke from the galvanized. Either grind it off before welding (best choice) or make sure you have good ventilation and do not breathe in the fumes.Last edited by SWells; 01-09-2013 at 08:17 PM.If you don't want to stand behind our Troops, feel free to stand in front of them.
Reply:you have to grind the hell out of that galvie before you try to weld on it, you need to get down to shiny steel that throws sparks when you grind it.
Reply:Originally Posted by weldermikeLack of gas flow, Do you have your flowmeter set right?
Reply:It is psi. What should I have it set too?Lincoln 3200HDNo Welding Experience.....NONE
Reply:Originally Posted by theycallmeSDZIt is psi. What should I have it set too?
Reply:Here's what a flow meter looks like:
Reply:My Handler does not use a flowmeter and I have no problems. 20 psi seems close to what I am running. Why are you trying to keep such an airgap of 1/2 inch? I set my shield on the workpiece and uase it as a guide and then run the wire out so that it contacts the plate that I am welding. Sounding like cooking bacoln it what it sounds like and then I just manipulate the puddle
Reply:I'm pretty sure that Lincoln would have a regulator that is adjusted to Cfh not psi. If you have an 80 cf bottle and set the reg at 20 Cfh you would have 4 hours of actual weld time.Burt _____________________Miller Syncrowave 250Millermatic 211Miller 375 Plasma Cutter Hobart Handler 12010FtDrillBit.com
Reply:So your a new welder .... read up back posts and google your brains out and extensivly go thru U-TUBE vidieos. thats how you learn... that and practice.Miller thunderbolt 250Decastar 135ERecovering tool-o-holic ESAB OAI have been interested or involved in Electrical, Fire Alarm, Auto, Marine, Welding, Electronics ETC to name a just a few. So YES you can own too many tools.Thanks alot guys.I am going to practice alot more tomorrow.Lincoln 3200HDNo Welding Experience.....NONE
Reply:After you set your shielding gas regulator to 20psi or whatever psi you set it to, weld for a bit and then look at your gauge and confirm if it's still at 20psi. Maybe you have a regulator that has to be adjusted until it builds up the consistent pressure. Watch youtube videos on MIG welding techniques. This video has some really good techniques. Every video this dude makes is really informative and helpful. And like the previous members said PRACTICE!Good luck!Eastwood TIG 200NAPA 83-315 MIG
Reply:Do some research on basic welding technique. If you can, take a course at a technical/vocational school. That's the best way to learn, if you're teaching yourself, try and get your hands on as much scrap metal as you can and practice, practice, practice. When you start to notice your welds looking better, then PRACTICE SOME MORE! Burn wire!
Reply:I did alot more practice today and I am getting better with the advice you guys gave.I tried my first butt weld and it actually worked!!!!! LOLI increased my temp and wire speed and that definitely helped.I am welding on 1/8" now, but most of my welding is going to be on 20ga sheet metal.I need to get some asap.Lincoln 3200HDNo Welding Experience.....NONE
Reply:check out "welding tips and tricks" you'll find video clips of what all kinds of welds should look like and how to make them.i.u.o.e. # 15queens, ny and sunny fla
Reply:I have watched so much I have a headache,,,,,,LOLLincoln 3200HDNo Welding Experience.....NONE |
|
发表于 2021-8-31 22:57:31