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Porter Cable Portable Generator BSV750 - Page 9 Questions & Answers
I bought a Mishto 220 MIG welder and the wire feed is too slow and the minimum current is too high for sheet metal (1.5mm mild steel sheet). Can these functions be adjusted ?
You say the current is too high. What is the problem that makes you say that? Is it trying to burn through? What does the control panel label say? Something like power and another that says wire feed speed?
The current is a function of wire speed. The faster you feed the wire, the more current is drawn from the machine.
To get less current drawn, you must slow down the wire.
After this is getting better, you may have to change the other control that actually is a voltage control. Too high a voltage give too much heat for the thickness of the metal and too low will not let the bead lay down and look nice.
Let me know if you are happy with the way it works now.
P.S. It will work much better with .025 wire. 035 wire will be too large for 1.5mm material.
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