Lincoln Electric Power Feed 25M Operator's Manual page 32

POWER FEED™ 25M
WFS
AMPS
USER INTERFACE Operation, Aluminum GMAW-P (Pulsed MIG) and GMAW-PP (Pulse on Pulse) Welding
WELD MODES
ELECTRODE AND GAS
ALUMINUM 4043 Ar
ALUMINUM 4043 Ar
ALUMINUM 5356 Ar
ALUMINUM 5356 Ar
72
4043 Pulse Ar
WELD MODE
ARC CONTROL
ULTIMARC*
PULSE
FREQUENCY:
(Low)-10.0 to
For Pulse modes, Arc Control
(High)+10.0
changes the pulsing frequency.
When the frequency changes,
the Power Wave system auto-
matically adjusts the back-
ground current to maintain a
similar heat input into the weld.
Low frequencies give more con-
trol over the puddle and high
frequencies minimize spatter.
PULSE-ON-PULSE
For Pulse -On-Pulse modes,
FREQ.MODULATION
Arc controls changes the frequ-
ency modulation. The freque-
(Low)-10.0 to
-ncy modulation controls the
(High)+10.0
spacing of the ripples in the
weld. Use low values for slow
travel speeds and wide welds,
and high values for fast travel
speeds and narrower welds.
*Wave Control in Power Wave 355 and 455 machines.
Display Operation
220
WIRE SIZE
0.035 3/64 1/16
149 72 74
98 99 100
152 76 78
101 102 103
Aluminum
3/64
SET
DESCRIPTION
®
START OPTIONS
EFFECT / RANGE
Preflow Time
Run-In WFS:
Start Procedure
SETUP
START OPTIONS
END OPTIONS
END OPTIONS
EFFECT / RANGE
Spot Timer
Burnback:
Crater Procedure
Postflow Time:
B-16
OPERATION
1.06
VOLTS
TRIM
DESCRIPTION
Adjusts the time that shielding
gas flows after the trigger is
pulled and prior to feeding wire.
Run-in sets the wire feed
speed from the time the trigger
is pulled until an arc is estab-
lished or 2.5 seconds.
The Start Procedure controls
the WFS. Trim at a specified
time at the beginning of the
weld. During the start time, the
machine will ramp up or down
from the Start Procedure to the
preset Welding Procedure.
FUNCTION
Adjust the time welding will
continue even if the trigger
is still pulled. This option
has no effect in 4-Step
Trigger Mode.
The burnback time is the
amount of time that the weld
output continues after the wire
stops feeding. It prevents the
wire from sticking in the puddle
and prepares the end of the
wire for the next arc start.
Crater Procedure controls the
WFS and Trim for a specified
time at the end of the weld
after the trigger is released.
During the Crater time, the
machine will ramp up or down
from the Weld Procedure to
the Crater Procedure.
Adjusts the time that shielding
gas flows after the welding out-
put turns off.