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Do we have a welding thread on here?
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<blockquote data-quote="MarsFab" data-source="post: 533295" data-attributes="member: 1511"><p>Part of setting up a machine correctly is having the wiring and power supply correct for the machine. To truly get consistency in your welds and not end up with good days and bad days as often this is critical. If a guy doesn't use the same settings every time he welds the same type joint and material thickness it means he either doesn't have the machine dialed in correctly or the power supply isn't consistent. </p><p>Many constant voltage machines don't give you the actual voltage and wire feed per inch your using. I have no idea why and I don't like it, especially on a machine like my mm212 auto set. It has an infinitely variable voltage knob. Every time you move it and come back you have no way of knowing if you're in exactly the same spot. </p><p>On many of the 250 amp and up MIG machines like the Lincoln 255, 256 or the millerMatic 252 they give you a digital read out of the voltage down to a 10th of a volt. It's a nice feature but one major draw back to them is the huge 250 amp gun and consumables. I prefer to use a much smaller tweco mini gun. Just don't expect it to live very long welding at high current for a long time. For 90% of the 4wd world we never go over 19 or 20 volts. </p><p>To add to what "wont work" said. I agree you don't need to really know the actual numbers if you're just trying to make a decent weld. But if you want truly consistent and repeatable results you need to know what they are and it's a great idea to make a cheat sheet for every joint type and material thickness. </p><p>On my old dvi I have pen marks on the faceplate for where to set the dials it's very helpful </p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="MarsFab, post: 533295, member: 1511"] Part of setting up a machine correctly is having the wiring and power supply correct for the machine. To truly get consistency in your welds and not end up with good days and bad days as often this is critical. If a guy doesn't use the same settings every time he welds the same type joint and material thickness it means he either doesn't have the machine dialed in correctly or the power supply isn't consistent. Many constant voltage machines don't give you the actual voltage and wire feed per inch your using. I have no idea why and I don't like it, especially on a machine like my mm212 auto set. It has an infinitely variable voltage knob. Every time you move it and come back you have no way of knowing if you're in exactly the same spot. On many of the 250 amp and up MIG machines like the Lincoln 255, 256 or the millerMatic 252 they give you a digital read out of the voltage down to a 10th of a volt. It's a nice feature but one major draw back to them is the huge 250 amp gun and consumables. I prefer to use a much smaller tweco mini gun. Just don't expect it to live very long welding at high current for a long time. For 90% of the 4wd world we never go over 19 or 20 volts. To add to what "wont work" said. I agree you don't need to really know the actual numbers if you're just trying to make a decent weld. But if you want truly consistent and repeatable results you need to know what they are and it's a great idea to make a cheat sheet for every joint type and material thickness. On my old dvi I have pen marks on the faceplate for where to set the dials it's very helpful Sent from my iPhone using Tapatalk [/QUOTE]
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