Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A - Manual (Page 44)

POWER FEED 10M SINGLE/DUAL
OPERATION
B-22 B-22
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ARC CONTROL
PULSE
FREQUENCY:
(Low)-10.0 to
(High)+10.0 DESCRIPTION
For Pulse modes, Arc Control
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 fre-
quencies minimize spatter.
PREFLOW TIME
0 - 10 seconds
RUN-IN WFS:
Off, 50 to150 in/min.
Start Procedure
DESCRIPTION
Adjusts the time the 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.
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.
START OPTIONS
EFFECT / RANGE
Postflow Time:
0 to 10 seconds
Burnback: 0 to .25
Seconds
Crater Procedure
Spot Timer:
0 to 10 Seconds
FUNCTION
Adjusts the time that shielding
gas flows after the welding out-
put turns off.
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 volts 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 welding will
continue even if tigger is still
pulled. This option has no effect
in 4-Step Trigger Mode.
END OPTIONS
MACHINE FUNCTIONALITY BY WELD PROCESS
PULSE AND PULSE-ON-PULSE (SYNERGIC)
Use the following tables to review how the machine functions (output controls, arc control, Start options and weld
options) for the weld modes listed in the top table.
OUTPUT CONTROL KNOBS
WFS AMPS VOLTS TRIM
LESS
WFS MORE
WFS LESS
TRIM MORE
TRIM
MATERIAL
ALUMINUM 4043
ALUMINUM 4043
ALUMINUM 5356
ALUMINUM 5356
GAS
Ar
Ar
Ar
Ar
PROCESS
Pulse
Pulse-on-Pulse
Pulse
Pulse-on-Pulse
WIRE SIZE
0.035 3/64 1/16
149 72 74
98 99 100
152 76 78
101 102 103
PULSE AND PULSE-0N-PULSE MODES