Tweco Torch Data - Manual (Page 17)

Manual 0-4730 Rev. AF 8-17 TORCH DATA
Aluminum
30A
N
2
Plasma / H
2
O Shield
Cartridge
21-1020 Electrode
21-1077
Plasma
Gas Distributor
21-1045
Tip
21-1059
Shield Cap
21-1033
Shield Cup
21-1016
Art # A-04498
Shield
Gas Distributor
21-1274
(ga) (in) inch psi Ball psi Ball psi* Volts
(in)
±0.005
(ipm) (in) (sec) (in)
25 0.025 96 55 120 4 55 103 0.030 230 0.080 0.0 0.034
21 0.037 96 55 120 4 55 103 0.030 220 0.080 0.1 0.045
18 0.052 96 55 120 4 55 103 0.030 150 0.080 0.2 0.031
16 0.064 96 55 120 4 55 103 0.030 110 0.080 0.2 0.036
bar Ball bar Ball bar* Volts
(mm)
±0.1
(mm/min) (mm) (sec) (mm)
6.6 55 8.3 4 3.8 103 0.8 5310 2.0 0.1 1.1
6.6 55 8.3 4 3.8 103 0.8 1550 2.0 0.2 1.0
* Pressure of the water supply line should be regulated by customer supplied pressure regulator.
Bold type indicates maximum piercing parameters.
(mm)
1
2
Shield (H
2
O)
Initial
Piercing
Height Shield (H
2
O)
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Cut Flow Rates / Pressures
Plasma (N
2
)
30A Aluminum (N
2
/H
2
O)
Material
Thickness
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Plasma (N
2
)
NOTE 2: Water source used for H
2
O Water Shield must be demineralized.
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
NOTE 1: Ohmic height sensing is not recommended with water shield.
Water on the plate interferes electrically with the ohmic sensing circuit.
Arc
Voltage
Torch
Working
Height
Travel
Speed
Material
Thickness
Pre Flow
Pressure
(N
2
)