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The Power Wave® C300 can produce top quality alu-
minum 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.
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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.( See Figure B.7)
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The pulsing frequency is adjustable. Changing the
Modulation Frequency (or
UltimArc™ Control
) of the
waveform changes the ripple spacing. Faster travel
speeds may be achieved by using higher values of
Modulation Frequency. ( See Figure B.8 and B.9p)
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Modulation Frequency = -10
Wide weld and ripple spacing, slow travel speed.
Modulation Frequency = 10
Narrow weld and ripple spacing, fast travel speed.
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Synergic GMAW-P (Pulsed MIG) welding is ideal for
low spatter, out of position and reduced heat input
applications. During pulse welding, the welding cur-
rent continuously switches from a low level to a high
level and then back again. Each pulse sends a small
droplet of molten metal from the wire to the weld pud-
dle.
Pulse welding controls the arc length with /H?C
instead of voltage. When trim (arc length) is adjusted,
the Power Wave automatically recalculates the volt-
age, current and time of each part of the pulse wave-
form for the best result. Trim adjusts the arc length
and ranges from 0.50 to 1.50, with a nominal value of
1.00 for a 3/4" (19mm) electrode stick-out. Trim values
greater than 1.00 increase the arc length, while values
less than 1.00 decrease the arc length.
(See Figure B.10)
Trim .50
Arc Length Short
Trim 1.00
Arc Length Medium
Trim 1.50
Arc Length Long
Trim .50
Arc Length Short
Trim 1.00
Arc Length Medium
Trim 1.50
Arc L ength Long
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