Tweco XTTM-301 - Manual (Page 86)

APPENDIX A-12 Manual 0-4768
Aluminum
100A
N2 Plasma / H2O Secondary
NOTE
Ohmic sensing is not recommended with water shield. Water on the
plate interferes electrically with the ohmic sensing system.
Art # A-06747
Shield Cap
35-1053 35-1089 35-1041
Cartridge Shield Cup
35-1016
Plasma Gas Distributor Shield Gas Distributor
35-1020 35-1034 35-1272
Tip Electrode
Shield (H2O)
(ga) (in) (in) Ball psi Ball* (volts) (in)±0.005 (ipm) (in) (sec)
10 0.135 45 90 5 158 0.188 170 0.300 0.0
3/16 0.188 45 90 5 165 0.188 80 0.300 0.3
1/4 0.250 45 90 5 167 0.188 60 0.300 0.3
3/8 0.375 45 90 5 172 0.188 50 0.300 0.3
1/2 0.500 45 90 5 168 0.188 35 0.300 0.4
5/8 0.625 45 90 5 179 0.188 20 0.350 0.5
Shield (H2O)
Ball bar Ball* (volts)
(mm)
±0.125
(mm/min) (mm) (sec)
45 6.2 5 161 4.8 3350 7.6 0.3
45 6.2 5 165 4.8 1960 7.6 0.3
45 6.2 5 167 4.8 1640 7.6 0.3
45 6.2 5 170 4.8 1390 7.6 0.3
45 6.2 5 171 4.8 1210 7.6 0.4
45 6.2 5 169 4.8 970 7.6 0.4
45 6.2 5 176 4.8 610 8.9 0.6
Bold type indicates maximum piercing parameters.
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
100A Al (N2/H2O)
Initial
Piercing
Height
Pierce
Delay
Material
Thickness
** Arc
Voltage
Cut Flow Rates / Pressures
Plasma (N2)
** Arc
Voltage
Torch
Working
Height
15
* Ball setting for shield water is set using a line pressure of 55 PSI / 3.8 bar
12
10
8
6
5
4
Travel
Speed
Material
Thickness
(mm)
Cut Flow Rates / Pressures
Plasma (N2)