Lincoln Electric 718115 Spirit II 275 - Manual (Page 84)

Section 5: Torch Consumables and Cutting Charts Spirit II User’s Manual
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
5-14
Mild Steel - 50 amps - Oxygen Plasma / Oxygen or Air Shield
Copper Electrode
Shield Cap Nozzle Electrode
277115 277122 277131
Outer Cap Retaining Cap Swirl Ring Torch Head
284150 277153 277140 / 277142 279100
Imperial*
Material
Thickness
Preflow Plasma Shield Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(ga) (in) (psi) (psi) (psi) (psi) (volts) (ipm) (in) (in) (msec) (in)
Cold-Rolled Steel – Oxygen Shield – Swirl Ring 277140
12 .105
25 74 12 72
123 70 .120
.135
100 .075
11 .120 126 60 .125
200 .078
10 .135 128 50 .135
Hot-Rolled Steel – Air Shield – Swirl Ring 277142
14 .075
25 74 19 72
106
200
.100
.135
100 .075
12 .105 190
.125 180
200 .080
10 .135 110 170 .110
3/16 113 105
.140
.200 300 .085
1/4 117 75 .225 400 .087
Metric*
Material
Thickness
Preflow Plasma Shield Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(mm) (psi) (psi) (psi) (psi) (volts) (mm/m) (mm) (mm) (msec) (mm)
Cold-Rolled Steel – Oxygen Shield – Swirl Ring 277140
2.5
25 74 12 72
121 1895 2.9
3.4
100 1.9
3 125 1555 3.1 200 2.0
Hot-Rolled Steel – Air Shield – Swirl Ring 277142
2.5
25 74 19 72
106
4885
2.5 3.4
100 1.9
3 4660 200 2.0
5 113 2555
3.6
5.1
400 2.2
6 116 2075 5.5
Marking* – For All Material Thicknesses
Type of Gas Preflow Plasma Shield Postflow
Arc
Voltage
Travel
Speed
Marking
Height
Initial
Height
Pierce
Time
(Plasma) (Shield) (psi) (psi) (psi) (psi) (volts) (ipm) (mm/min) (in) (mm) (in) (mm) (msec)
Nitrogen Nitrogen N/A 25 25 N/A 145 250 6350 .147 3.7 .100 2.5 0
Argon** Air** N/A 50 25 N/A 71 100 2540 .100 2.5 .100 2.5 0
* Use an arc transfer height (ignition height) of .135” (3.4 mm) for cutting and .100” (2.5 mm) for marking.
** Only available on systems with the Automatic Gas Console.
(Revised 04/26/2013)