How To Test Arc Welding. Arc energy x thermal efficiency factor. Test the voltage multiple times to ensure that readings are accurate and consistent.
If you find the finished weld bead is pitted with deep cratering at the beads edges or the adjacent metal is simply melted or burned away reduce the amperage incrementally until the condition is corrected. To measure the output voltage of a welding transformer make sure that the center knob of the multimeter is set to read voltage. How do I set my welder.
Expressed in terms of.
I used four electrodes and had three restarts. DC welders are a preferable choice among modern welders as they provide a smoother and stable welding arc. Arc energy x thermal efficiency factor. The most correct way to calculate the heat input is based on instantaneous values of current and voltage.