Tweco XTTM-300 - Manual (Page 30)

Operation with Manual Gas Control 4A-6 Manual 0-2912
Mild Steel
70A
O
2
Plasma / O
2
- N2 Shield
Or
Ar
t # A-06838
Manual
Gas Control
Cartridge
21-1020 Electrode
21-1070
Plasma
Gas Distributor
21-1041
Tip
21-1052
Shield Cap
21-1026
Shield Cup
21-1016
Art # A-04027
Shield
Gas Distributor
21-1272
(ga) (in) O2 - O2 N2 O2 N2
16 0.060 25 - 25 0 5 65 138 0.060 300 0.100 0.0
14 0.075 25 - 25 0 5 65 138 0.060 250 0.100 0.0
12 0.105 65 - 10 45 5 65 140 0.060 225 0.120 0.0
10 0.135 65 - 10 45 5 65 142 0.060 200 0.150 0.0
7 0.179 65 - 10 45 5 65 143 0.070 120 0.200 0.1
- 1/4 65 - 10 45 5 65 146 0.080 110 0.200 0.2
- 3/8 65 - 10 45 5 65 150 0.120 70 0.300 0.2
O2 - O2 N2 O2 N2
25 - 25 0 5 65 138 1.5 7.6 2.5 0.0
25 - 25 0 5 65 138 1.5 6.8 2.5 0.0
65 - 10 45 5 65 141 1.5 5.3 3.7 0.0
65 - 10 45 5 65 141 1.5 4.1 3.7 0.0
65 - 10 45 5 65 144 1.9 3.0 5.2 0.0
65 - 10 45 5 65 146 1.9 2.5 5.2 0.0
65 - 10 45 5 65 148 2.5 2.3 6.4 0.1
Bold type indicates maximum piercing parameters.
5
6
8
1.5
2
3
4
Torch
Working
Height
(mm)
Travel
Speed
(m/min)
Initial
Piercing
Height
(mm)
Pierce
Delay
(sec)
Travel
Speed
(ipm)
Initial
Piercing
Height
(in)
Pierce
Delay
(sec)
Material
Thickness
(mm)
Cut Flow Rates (%)
Preflow Flow
Rates (%)
** Arc
Voltage
(volts)
Plasma % Shield % Preflow %
Torch
Working
Height
(in)
Material
Thickness
Cut Flow Rates (%)
Preflow Flow
Rates (%)
** Arc
Voltage
(volts)
Plasma % Shield % Preflow %