Tweco XT-300 Torch for OEM UC-300 - Manual (Page 17)

Manual 0-4829 Rev AN 8-19 TORCH DATA for Ultra-Cut
Mild Steel
70A
O
2
Plasma / Air Shield
Cartridge
22-1020 Electrode
22-1170
Plasma
Gas Distributor
22-1041
Tip
22-1152
Shield Cap
22-1026
Shield Cup
22-1016
Art # A-07663
Shield
Gas Distributor
22-1272
(ga) (in) inch (PSI) Ball (PSI) Ball (PSI) Volts
(in)
±0.005
(ipm) (in) (sec) (in)
16 0.060 46 35 120 41 120 138 0.070 300 0.100 0.1 0.073
14 0.075 46 35 120 41 120 138 0.070 300 0.100 0.1 0.072
12 0.105 46 55 120 60 120 142 0.080 270 0.120 0.2 0.078
10 0.135 46 55 120 60 120 142 0.080 180 0.150 0.2 0.071
3/16 0.188 46 55 120 60 120 148 0.100 130 0.200 0.4 0.077
1/4 0.250 46 55 120 60 120 148 0.100 100 0.200 0.5 0.083
(Bar) Ball (Bar) Ball (Bar) Volts
(mm)
±0.1
(mm/min) (mm) (sec) (mm)
3.2 35 8.3 41 8.3 138 1.8 7620 2.5 0.1 1.9
3.2 35 8.3 41 8.3 138 1.8 7530 2.6 0.1 1.9
3.2 55 8.3 60 8.3 142 2.0 5860 3.4 0.2 1.9
3.2 55 8.3 60 8.3 145 2.3 4030 4.4 0.3 1.9
3.2 55 8.3 60 8.3 148 2.5 3190 5.1 0.4 2.0
3.2 55 8.3 60 8.3 148 2.5 2710 5.1 0.5 2.1
Ball Press Ball Press Volts
in ±0.005 /
mm ±0.1
ipm /
mm/min
in ±0.005 /
mm ±0.1
sec
20 psi
1.4 bar
50
40 psi
2.8 bar
80
80 psi
5.5 bar
155
0.12
3
300
7600
0.12
3
0
Arc
Voltage
Torch
Working
Height
Shield (Air)
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Initial
Piercing
Height
Travel
Speed
Pierce
Delay
Kerf
Width
@ Rec.
Speed
1.5
4
Plasma (O
2
)
5
Shield (Air)
Initial
Piercing
Height
6
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
2
3
Plasma (O
2
)
(mm)
Initial
Piercing
Height
Pierce
Delay
M arking
quality
degrades
as
thickness
decreases.
70A Mild Steel XTL (O
2
/Air)
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Burn-through
may occur
on thicknesses
< 1/16" (0.063") /
1.6 mm.
Plasma
Pressure (N
2
)
Shield
Pressure (N
2
)
Marking (with 70A Mild Steel Parts)
16A Arc Current
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed