Lincoln Electric SPIRIT II 275 Technical Manual page 97

Spirit II User's Manual
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
Shield Cap
BK277150
Outer Cap
BK284150
Imperial*
Material
Preflow
Thickness
(in) (psi)
.050
.063 25
.080
Metric*
Material
Preflow
Thickness
(mm) (psi)
1.5
25
2.0
Marking* – For All Material Thicknesses
Type of Gas Preflow
(Plasma) (Shield) (psi)
Nitrogen Nitrogen N/A
Argon Air N/A
WARNING Do not connect H17 (combustible gas) as an input gas (Pre/Postflow, Plasma, or Shield) at the same time as
Oxygen or Air.
* Use an arc transfer height (ignition height) of .100" (2.5 mm) for cutting and .100" (2.5 mm) for marking.
(Revised 04/26/2013)
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.
Aluminum - 50 Amps - Copper Electrode
Nozzle
BK277122
Retaining Cap
BK277153
Plasma Shield Postflow
(psi) (psi) (psi)
66 19 67
Plasma Shield Postflow
(psi) (psi) (psi)
66 19 67
Plasma Shield Postflow
(psi) (psi) (psi)
25 25 N/A
50 25 N/A
5-35
Section 5: Torch Consumables and Cutting Charts
Electrode
BK277131
Swirl Ring
BK277142
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
135 180 .050
138 140 .065
143 90 .075
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
137 3870 1.5
142 2360 1.8
Arc Travel
Voltage Speed
(volts) (ipm) (mm/min) (in)
145 250 6350 .147
77 100 2540 .120
Torch Head
BK279100
Pierce Pierce Kerf
Height Time Width
(in) (msec) (in)
100 .080
.100
150 .082
.150 200 .085
Pierce Pierce Kerf
Height Time Width
(mm) (msec) (mm)
2.5 150 2.1
3.7 200 2.2
Marking Initial Pierce
Height Height Time
(mm) (in) (mm) (msec)
3.7 .100 2.5 0
3.0 .100 2.5 0