Stainless steel 70a n, Plasma / h, O shield – Tweco Torch Data User Manual
Page 13
Manual 0-4730 Rev. AF
8-13
TORCH DATA
Stainless Steel
70A
N
2
Plasma / H
2
O Shield
Cartridge
21-1020
Electrode
21-1084
Plasma
Gas Distributor
21-1041
Tip
21-1064
Shield Cap
21-1047
Shield Cup
21-1016
Art # A-07217
Shield
Gas Distributor
21-1274
(ga)
(in)
inch
(PSI)
Ball
(PSI)
Ball
(PSI) *
Volts
(in)
±0.005
(ipm)
(in)
(sec)
(in)
10
0.141
45
55
90
5
55
146
0.100
120
0.250
0.3
0.075
3/16
0.188
45
55
90
5
55
150
0.100
90
0.250
0.4
0.086
1/4
0.250
45
55
90
5
55
159
0.150
50
0.250
0.5
0.095
3/8
0.375
45
55
90
5
55
168
0.150
35
0.250
0.7
0.103
(Bar)
Ball
(Bar)
Ball
(Bar) *
Volts
(mm)
±0.1
(mm/mi
n)
(mm)
(sec)
(mm)
3.1
55
6.2
5
3.8
142
2.5
3040
6.3
0.3
1.8
3.1
55
6.2
5
3.8
143
2.5
2780
6.3
0.3
2.0
3.1
55
6.2
5
3.8
151
2.5
2140
6.3
0.4
2.2
3.1
55
6.2
5
3.8
157
3.8
1495
6.3
0.5
2.3
3.1
55
6.2
5
3.8
164
3.8
1070
6.3
0.6
2.5
3.1
55
6.2
5
3.8
170
3.8
980
6.3
0.7
2.6
70A Stainless Steel (N
2
/H
2
0)
Material
Thickness
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (N
2
) Shield
(H
2
O)
Material
Thickness
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (N
2
) Shield
(H
2
O)
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
(mm)
3
4
5
NOTE 2: Water source used for H
2
O Water Shield must be demineralized.
6
8
10
NOTE 1: Ohmic height sensing is not recommended with water shield.
Water on the plate interferes electrically with the ohmic sensing circuit.
* Pressure of the water supply line should be regulated by customer supplied pressure regulator