Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A - Manual (Page 40)

POWER FEED 10M SINGLE/DUAL
OPERATION
B-18 B-18
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ALUMINUM SYNERGIC GMAW-P (PULSED
MIG)AND GMAW-PP (PULSE ON PULSE)
WELDING
The Power Feed 10M Single Wire Feeder and Power
Wave welding power source combine to readily pro-
duce top quality aluminum welds with excellent
appearance, little spatter and good bead shape. Push-
pull guns are available for consistent feeding when
welding a long distance away from the wire feeder.
Pulse-on-Pulse Welding
The Power Wave system offers both traditional pulse
and Pulse-on-Pulse™. Pulse-on-Pulse (GMAW-PP) is
an exclusive waveform for aluminum welding. Use it to
make welds with a "stacked dime" appearance, similar
to GTAW welds.
FIGURE B.7c
The pulsing frequency is adjustable. Changing the fre-
quency modulation (or arc control) of the waveform
changes the ripple spacing. Faster travel speeds may
be achieved by using higher values of frequency mod-
ulation.
FIGURE B.7d
Frequency Modulation = -10
Wide weld and ripple spacing, slow travel speed.
Frequency Modulation = 10
Narrow weld and ripple spacing, fast travel speed.
FIGURE B.7e