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OPERATION
B-4 B-4
PRO-CUT 25
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CUTTING CAPABILITY
The PRO-CUT 25 is rated at 25 amps, at 35% duty cycle on a 10 minute basis. If the duty cycle is exceeded, a
thermal protector 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 25 when cutting mild steel. (The graph plots cut thickness vs.
torch travel speed with a torch standoff of 0.15".)
Lincoln's PRO-CUT 25
Cut Capacity Chart
Recommended Torch Travel Speed (IPM)
80% of Maximum Speed
80
60
40
20
0
0.3750.125
0.250
Metal Thickness (Inches)
Figure B.1
CONSUMABLE LIFE
The expected life for the PRO-CUT 25's electrode under normal operating conditions is approximately 1000
starts/cuts. An erosion of .060" is typical for end of electrode life, however, the electrode life 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 25 system.