Tweco Ultra-Cut Torch Data - Manual (Page 51)

Manual 0-4828 Rev BA 8-51 TORCH DATA for Ultra-Cut
Mild Steel
Flow Rates (SLPM / SCFH)
250A O₂ Air
Preflow - / - 160 / 339
O₂ Plasma / Air Shield Cutflow 36 / 76 132 / 279
Shield Retainer Shield Cap
Shield Gas
Distributor
Tip Plasma Gas Distributor Electrode Cartridge
21-1014 21-1030 21-1285 21-1056 21-1042 21-1093 21-1022
GCM-2010 SC-3000 Torch Height Control (THC) Basic THC CNC Control
Material
Thickness
Pre Flow
Pressure
(Air)
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 (O₂) Shield (Air)
ga (in) inch (psi) Ball (psi) Ball (psi) (Volts) (in) ±0.005 (sec) (in) (in) (sec) (in) (ipm) (sec) (in)
- 5/8 0.625 15 100 100 NA 100 147 0.170 0.7 0.300 0.250 0.5 0.400 115 0.6 0.167
- 3/4 0.750 15 100 100 NA 100 152 0.180 1.0 0.350 0.300 0.5 0.450 90 0.8 0.171
- 7/8 0.875 15 100 100 NA 100 154 0.190 1.4 0.350 0.300 0.5 0.450 70 1.0 0.170
- 1 1.000 15 100 100 NA 90 157 0.200 1.9 0.400 0.300 0.5 0.500 60 1.4 0.181
- 1 1/4 1.250 15 100 100 NA 100 160 0.200 2.5 0.400 0.300 0.5 0.500 43 1.8 0.191
- 1 1/2 1.500 15 100 100 NA 100 164 0.200 4.2 0.400 0.350 0.5 0.550 33 3.2 0.197
- 1 3/4 1.750 15 100 100 NA 100 171 0.200 1.0 Edge Start 0.5 Edge 23 1.0 0.197
- 2 2.000 15 100 100 NA 100 177 0.200 1.0 Edge Start 0.5 Edge 15 1.0 0.197
GCM-2010 SC-3000 Torch Height Control (THC) Basic THC CNC Control
Material
Thickness
Pre Flow
Pressure
(Air)
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 (O₂) Shield (Air)
(mm) (Bar) Ball (Bar) Ball (Bar) (Volts) (mm) ±0.1 (sec) (mm) (mm) (sec) (mm)
(mm/
min)
(sec) (mm)
15 1.0 100 6.9 NA 6.9 146 4.2 0.6 7.3 6.0 0.5 9.8 3100 0.5 4.2
20 1.0 100 6.9 NA 6.9 153 4.6 1.1 8.9 7.6 0.5 11.4 2130 0.9 4.3
25 1.0 100 6.9 NA 6.3 157 5.0 1.8 10.0 7.6 0.5 12.5 1560 1.3 4.6
30 1.0 100 6.9 NA 6.7 159 5.1 2.3 10.2 7.6 0.5 12.7 1210 1.7 4.8
35 1.0 100 6.9 NA 6.9 162 5.1 3.4 10.2 8.3 0.5 13.4 960 2.5 4.9
40 1.0 100 6.9 NA 6.9 167 5.1 1.0 Edge Start 0.5 Edge 710 1.0 5.0
50 1.0 100 6.9 NA 6.9 176 5.1 1.0 Edge Start 0.5 Edge 410 1.0 5.0
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.
25A 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)
15 / 1.0 80
60 /
4.1
NA
90 /
6.2
159 0.120 / 3.0 0.120 / 3.0 0 0.5
300 /
7620
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.
Cartridge
Electrode Shield
Shield Gas
Distributor Tip
Plasma Gas
Distributor Shield Retainer
Art # A-07917_AC
This Art Is For Reference ONLY
8.05 Standard Cutting 250 - 300 Amp