Lincoln Electric SPIRIT II 275 Technical Manual page 96

Section 5: Torch Consumables and Cutting Charts
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
Shield Cap
BK277145
Outer Cap
BK284150
Imperial*
Material
Preflow
Thickness
(in) (psi)
.040
.050 35
.063
Metric*
Material
Preflow
Thickness
(mm) (psi)
1
35
1.5
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 - 30 Amps - Copper Electrode
Nozzle
BK277120
Retaining Cap
BK277153
Plasma Shield Postflow
(psi) (psi) (psi)
81 20 85
Plasma Shield Postflow
(psi) (psi) (psi)
81 20 85
Plasma Shield Postflow
(psi) (psi) (psi)
25 25 N/A
50 25 N/A
5-34
Electrode
BK277130
Swirl Ring
BK277140
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
150
135 120 .030
90
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
3885
135 0.8
2520
Arc Travel
Voltage Speed
(volts) (ipm) (mm/min) (in)
145 250 6350 .177
75 100 2540 .120
Spirit II User's Manual
Torch Head
BK279100
Pierce Pierce Kerf
Height Time Width
(in) (msec) (in)
.100 100 .065
.150 200 .070
Pierce Pierce Kerf
Height Time Width
(mm) (msec) (mm)
2.5 100 1.7
3.4 200 1.8
Marking Initial Pierce
Height Height Time
(mm) (in) (mm) (msec)
4.5 .100 2.5 0
3.0 .100 2.5 0