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CUTTING CAPABILITY
The PRO-CUT 80 is rated at 80 amps, at 60% duty
cycle on a 10 minute basis or 60 amps, at 100% duty
cycle. If the duty cycle is exceeded, a thermal protec-
tor will shut off the output of the machine until it cools
to the normal operating temperature.
Figure B.1 shows the cut capacity of the PRO-CUT 80
when cutting mild steel. The graph plots cut thickness
vs. torch travel speed with a torch standoff of 0.15 in.
(3.8mm).
Example: 0.5 material
Amps Speed (IPM)
55 25
80 35
FIGURE B.1 – LINCOLN’S PRO-CUT 80 MILD STEEL CUT CAPACITY CHART
CONSUMABLE LIFE
The expected life for the PRO-CUT 80's electrode
under normal operating conditions is approximately
160 starts/cuts. An erosion of .060 in. (1.5mm) is typ-
ical for end of electrode life. However, the electrode
may last longer. A green and erratic arc will indicate
definite electrode failure, and the electrode should be
replaced immediately.
It is recommended that consumables be replaced in
complete sets. (Example: Electrode and Nozzle). This
will maximize the performance of the PRO-CUT 80
system.
LIMITATIONS
Do not exceed output current and duty cycle rating of
machine. Do not use the PRO-CUT 80 for pipe thaw-
ing.
OPERATION
B-4 B-4
PRO-CUT 80
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Lincoln's PRO-CUT 80
Mild Steel Cut Capacity Chart
Recommended Torch Travel Speed (IPM)
80% of Maximum Speed
100
80
60
40
20
0
0.000 0.125 0.250
0.375 0.500 0.625 0.750
Material Thickness
25 A
35 A
55 A
1.00
80 A