mig questions, sample pics added |
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mig questions, sample pics added |
jimkelly |
Aug 21 2013, 10:29 AM
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#1
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Delaware USA Group: Members Posts: 4,969 Joined: 5-August 04 From: Delaware, USA Member No.: 2,460 Region Association: MidAtlantic Region |
my original argon valve was bent up and leaked, so I ordered a new one. it had again, different sized threads, jeez.
so I went to ace ( r towel advice) and went with barbed fitting at both ends since the new argon valve came with a 1/4 barb already. question - when you are done welding and want to purge the lines of argon, after shutting the valve on the tank, do you have to waste wire or is there a way to purge without wasting wire? also, I expected the bead to stay at 15 psi when i turned the brass valve open, but it only rises to 15 psi or what ever I set it at, when I pull the red trigger on the mig - is this normal? also - I prepped some of my old real estate signs for practice : ) jim Attached image(s) |
McMark |
Aug 26 2013, 10:22 AM
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#2
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Yup.
Another tip, brace your welding hand on the work piece. Most people walk up and try to weld with no contact between them and the work piece. Their hands and arms are floating. It's like trying to shoot a sniper rifle standing up. If you can't solidly brace against the work piece, at least use your other hand to touch both the torch and the work piece so you get some tactile feedback about when and how far you're moving. |
Andyrew |
Aug 26 2013, 07:48 PM
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#3
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Spooling.... Please wait Group: Members Posts: 13,376 Joined: 20-January 03 From: Riverbank, Ca Member No.: 172 Region Association: Northern California |
Yup. Another tip, brace your welding hand on the work piece. Most people walk up and try to weld with no contact between them and the work piece. Their hands and arms are floating. It's like trying to shoot a sniper rifle standing up. If you can't solidly brace against the work piece, at least use your other hand to touch both the torch and the work piece so you get some tactile feedback about when and how far you're moving. Good tip, Something most experts dont even think about until they see someone attempting it. I typically weld with one large glove on my left hand and only put a glove on my right hand if Im doing more than a couple minutes worth of welding. I've had the grease, it helps a little bit. I typically hit the nozzle against the floor to remove any pieces of metal stuck to the tip, and especially if its made contact between the two (It happens, Its OK, just fix it and shut off the welder.) Then I take the cover nozzle off and debur it against the threads of the tip (that you just unscrewed), its not really the best way, but it works for the pinch works. |
Jeff Hail |
Aug 26 2013, 10:06 PM
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#4
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Senior Member Group: Members Posts: 1,141 Joined: 3-May 07 From: LA/ CA Member No.: 7,712 |
Yup. Another tip, brace your welding hand on the work piece. Most people walk up and try to weld with no contact between them and the work piece. Their hands and arms are floating. It's like trying to shoot a sniper rifle standing up. If you can't solidly brace against the work piece, at least use your other hand to touch both the torch and the work piece so you get some tactile feedback about when and how far you're moving. Good tip, Something most experts dont even think about until they see someone attempting it. I typically weld with one large glove on my left hand and only put a glove on my right hand if Im doing more than a couple minutes worth of welding. I've had the grease, it helps a little bit. I typically hit the nozzle against the floor to remove any pieces of metal stuck to the tip, and especially if its made contact between the two (It happens, Its OK, just fix it and shut off the welder.) Then I take the cover nozzle off and debur it against the threads of the tip (that you just unscrewed), its not really the best way, but it works for the pinch works. Just a couple minutes exposure to triple range radiation can cause damage to your skin. Infrared, visible and ultraviolet radiation do not cause ionisation of body tissue, but they can still cause damage to body systems and membranes.The ultraviolet waves wont get you an island tan but can cause damage below the skin surface by heating blood vessels and water membranes below the skin layers. Gloves provide thermal insulation as well as blocking out UV and visible light frequencies. Helmet, welding coat with collar, gloves and at least a N95 particulate respirator are the minimum that should be worn. R and P series respirators are also fine. Shielding gases and flux surface coatings which are burned or exposed to ultraviolet arc rays, they can generate harmful gases such as carbon monoxide, ozone, nitrogen oxides, gaseous fluoride and phosgene. I have seen to many people with short and long term damage from welding and I'm not talking about pesky ear mosquito or slag burns. Its really easy to take safety precautions and only takes a few extra seconds. If you wear a helmet with a filter to keep from getting keratitis why wouldn't you protect the rest of the body? Be Safe! |
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