PART 2- CWI PREP

GMAW Pulsed Transfer Mode

• Welding current is variable between high & low current cycles set by the welder • Provides better heat control • Requires special power source capable of producing a DC output. • Allows more metal in backs off to let it cool without breaking the arc • 2 power sources, 1 providing constant level, other used in addition when high current cycle is enabled

Made with FlippingBook - Share PDF online