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B-16
OPERATION
B-16
POWER FEED™ 25M
ALUMINUM SYNERGIC GMAW-P (PULSED
MIG)AND GMAW-PP (PULSE ON PULSE)
WELDING
The POWER FEED™ 25M and Power Wave welding
power source combine to readily produce top quality
aluminum welds with excellent appearance, little spat-
ter and good bead shape. Push-pull guns are avail-
able for consistent feeding when welding a long dis-
tance 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.9
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.10
Frequency Modulation = -10
Wide weld and ripple spacing, slow travel speed.
Frequency Modulation = 10
Narrow weld and ripple spacing, fast travel speed.
FIGURE B.11