Lincoln Electric SPIRIT II 275 Technical Manual page 107

Spirit II User's Manual
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
Shield Cap
BK277286
Outer Cap
BK284150
Imperial*
Material
Preflow
Thickness
(in) (psi)
1/4
3/8 25
1/2
Metric*
Material
Preflow
Thickness
(mm) (psi)
6
10 25
12
Marking* – For All Material Thicknesses
Type of Gas Preflow
(Plasma) (Shield) (psi)
Nitrogen Nitrogen N/A
Argon Nitrogen 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 .200" (5.1 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.
Stainless Steel - 100 Amps - Silver Electrode
Nozzle
BK279484
Retaining Cap
BK277151
Plasma Shield Postflow
(psi) (psi) (psi)
80 35 80
Plasma Shield Postflow
(psi) (psi) (psi)
80 35 80
Plasma Shield Postflow
(psi) (psi) (psi)
25 25 N/A
50 25 N/A
Section 5: Torch Consumables and Cutting Charts
Electrode
BK279410
(brown o-ring)
Swirl Ring
BK279483
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
141 100 .135
147 80 .170
154 55 .210
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
140 2595
148 1935
152 1540
Arc Travel
Voltage Speed
(volts) (ipm) (mm/min)
130 250 6350
68 100 2540
5-45
Torch Head
BK279060
Pierce Pierce
Height Time
(in) (msec)
.225 400
.250 500
.300 600
Pierce Pierce
Height Time
(mm) (msec)
3.2 5.6 400
4.4 6.5
600
5.0 7.3
Marking Initial
Height Height
(in) (mm) (in) (mm) (msec)
.100 2.5 .100 2.5
.100 2.5 .100 2.5
Kerf
Width
(in)
.092
.095
Kerf
Width
(mm)
2.3
2.4
Pierce
Time
0
0