Munkul
Jack of some trades, Master of none
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I took a series of readings with my MIG set last night to satisfy my own curiosity and to help settle a discussion on another forum last night.
Miller XMT304 power source, S64 wire feeder with solid MIG wire 1.0mm. 93/5/2 Ar/CO2/O2 gas mix.
- I held the gun as I normally do at a slight angle, and ran a bead on some heavy flat bar. The higher amerage values were acheived by holding as short a stickout as possible, and the lower amperage values had a longer stickout - slightly longer than I would usually run. I didn't measure it though. Using an MB36 gun.
- I did every 50 IPM until 500, and every 100 IPM after that, hence the interpolated values. At the higher amps, the stickout physically had to be longer with the amount of metal being put down, so I only took one value.
- Wire stickout has quite a large effect, hence the two readings min and max, and an average taken from them.
- Voltage had to be adjusted, I tried to keep it as low as possible for the wirespeed, to stop the wire being buried in the puddle. More volts = less amps at the lower rates, but didn't affect amps as much as stickout. I started around 15 volts/100 IPM and ran up to 30 volts/ 800IPM. Bear in mind that the XMT delivers the voltage you ask for, there's no droop like you get with some machines.
So as you can see, it wasn't a perfect test by any means, but a pretty good indicator IMHO of the trend, and since I put the work in for another forum, I thought I might as well copy+paste to here
so there you go... for your interest/arousal/disgust/indifference.
Miller XMT304 power source, S64 wire feeder with solid MIG wire 1.0mm. 93/5/2 Ar/CO2/O2 gas mix.
- I held the gun as I normally do at a slight angle, and ran a bead on some heavy flat bar. The higher amerage values were acheived by holding as short a stickout as possible, and the lower amperage values had a longer stickout - slightly longer than I would usually run. I didn't measure it though. Using an MB36 gun.
- I did every 50 IPM until 500, and every 100 IPM after that, hence the interpolated values. At the higher amps, the stickout physically had to be longer with the amount of metal being put down, so I only took one value.
- Wire stickout has quite a large effect, hence the two readings min and max, and an average taken from them.
- Voltage had to be adjusted, I tried to keep it as low as possible for the wirespeed, to stop the wire being buried in the puddle. More volts = less amps at the lower rates, but didn't affect amps as much as stickout. I started around 15 volts/100 IPM and ran up to 30 volts/ 800IPM. Bear in mind that the XMT delivers the voltage you ask for, there's no droop like you get with some machines.
So as you can see, it wasn't a perfect test by any means, but a pretty good indicator IMHO of the trend, and since I put the work in for another forum, I thought I might as well copy+paste to here
so there you go... for your interest/arousal/disgust/indifference.