Stainless steel, N₂ plasma / h₂o shield, This art is for reference only – Tweco Ultra-Cut Torch Data User Manual
Page 19
Manual 0-4828
Rev BA 8-19
TORCH DATA for Ultra-Cut
Stainless Steel
Flow Rates
70A
N₂ (SLPM / SCFH)
H₂O (GPH / LPH)
Preflow
15 / 31
5 / 19
N₂ Plasma / H₂O Shield
Cutflow
8 / 17
5 / 19
Shield Cup
Shield Cap
Shield Gas
Distributor
Tip
Plasma Gas Distributor
Electrode
Cartridge
21-1016
21-1047
21-1274
21-1064
21-1041
21-1084
21-1020
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(N₂)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (N₂) Shield (H₂O)
ga
(in)
inch
(psi)
Ball (psi) Ball (psi)* (Volts) (in) ±0.005 (sec)
(in)
(in)
(sec)
(in)
(ipm)
(sec)
(in)
10
-
0.141
45
55
90
5
55
146
0.100
0.3
0.150 0.150
0.2
0.250
120
0.3
0.075
-
3/16
0.188
45
55
90
5
55
150
0.100
0.4
0.150 0.150
0.2
0.250
90
0.4
0.086
-
1/4
0.250
45
55
90
5
55
159
0.150
0.5
0.150 0.150
0.2
0.250
50
0.5
0.095
-
3/8
0.375
45
55
90
5
55
168
0.150
0.7
0.150 0.150
0.2
0.250
35
0.7
0.103
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(N₂)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (N₂) Shield (H₂O)
(mm)
(Bar)
Ball (Bar) Ball (Bar)* (Volts) (mm) ±0.1 (sec) (mm)
(mm)
(sec)
(mm)
(mm/
min)
(sec)
(mm)
3
3.1
55
6.2
5
3.8
144
2.5
0.3
3.8
3.8
0.2
6.4
3420
0.3
1.8
4
3.1
55
6.2
5
3.8
147
2.5
0.3
3.8
3.8
0.2
6.4
2780
0.3
2.0
5
3.1
55
6.2
5
3.8
151
2.7
0.4
3.8
3.8
0.2
6.4
2130
0.4
2.2
6
3.1
55
6.2
5
3.8
157
3.5
0.5
3.8
3.8
0.2
6.4
1490
0.5
2.4
8
3.1
55
6.2
5
3.8
164
3.8
0.6
3.8
3.8
0.2
6.4
1070
0.6
2.5
10
3.1
55
6.2
5
3.8
169
3.8
0.7
3.8
3.8
0.2
6.4
830
0.7
2.6
Marking
Pre Flow
Pressure
(N₂)
Marking Flow Rates /
Pressures
Arc
Voltage
Marking
Height
Pierce Ignition Height
THC and CNC
Delay
Control
Delay
Travel
Speed
Marking quality
degrades as
thickness
decreases.
18A Arc Current
Plasma (N₂)
Shield (N₂)
Burn-through may
happen for thicknesses
< 1/16” (0.063”) /
1.6 mm.
(psi) /
(Bar)
Ball (psi) /
(Bar) Ball
(psi) /
(Bar) (Volts)
(in) ±0.005 /
(mm) ±0.1
(in) ±0.005 / (mm) ±0.1
(sec)
(sec)
(ipm) /
(mm/ min)
20 / 1.4
50
40 /
2.8
75
80 /
5.5
150 0.120 / 3.0
0.120 / 3.0
0
0.4
300 /
7620
* Pressure of the water supply line should be regulated by customer pressure regulator.
Note 1: Ohmic height sensing is not recommended with water shield. Water on the plate interferes electrically with the ohmic sensing circuit.
Note 2: Water source used for shield must be demineralized.
Electrode
Shield Cap
Tip
Shield Gas
Distributor
Plasma Gas
Distributor
Cartridge
Shield Cup
This Art Is For Reference ONLY
Art # A-07958_AB