Tweco Torch Data Manual do Utilizador Página 21

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Manual 0-4730 Rev. AF 8-21 TORCH DATA
Aluminum
70A
N
2
Plasma / H
2
O Shield
Cartridge
21-1020Electrode
21-1084
Plasma
Gas Distributor
21-1041
Tip
21-1064
Shield Cap
21-1047
Shield Cup
21-1016
Art # A-07217
Shield
Gas Distributor
21-1274
(ga) (in) inch (PSI) Ball (PSI) Ball (PSI) * Volts
(in)
±0.005
(ipm) (in) (sec) (in)
16 0.064 45 55 90 5 55 155 0.100 300 0.250 0.0 0.057
14 0.079 45 55 90 5 55 148 0.100 240 0.250 0.0 0.068
12 0.097 45 55 90 5 55 150 0.150 200 0.250 0.1 0.095
3/16 0.188 45 55 90 5 55 150 0.150 120 0.250 0.3 0.095
1/4 0.250 45 55 90 5 55 158 0.150 70 0.250 0.3 0.097
3/8 0.375 45 55 90 5 55 162 0.150 35 0.250 0.5 0.100
(Bar) Ball (Bar) Ball (Bar) * Volts
(mm)
±0.1
(mm/min) (mm) (sec) (mm)
3.1 55 6.2 5 3.8 148 2.5 6100 6.3 0.0 1.7
3.1 55 6.2 5 3.8 150 3.8 4610 6.3 0.2 2.4
3.1 55 6.2 5 3.8 150 3.8 3730 6.3 0.3 2.4
3.1 55 6.2 5 3.8 151 3.8 2870 6.3 0.3 2.4
3.1 55 6.2 5 3.8 156 3.8 2060 6.3 0.3 2.5
3.1 55 6.2 5 3.8 160 3.8 1315 6.3 0.4 2.6
3.1 55 6.2 5 3.8 163 3.8 880 6.3 0.5 2.7
70A Aluminum (N
2
/H
2
O)
Material
Thickness
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (N
2
) Shield (H
2
O)
Material
Thickness
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (N
2
) Shield (H
2
O)
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
(mm)
2
3
4
NOTE 2
: Water source used for H
2
O Water Shield must be demineralized.
* Pressure of the water supply line should be regulated by customer supplied pressure regulator
NOTE 1
: Ohmic height sensing is not recommended with water shield.
Water on the plate interferes electrically with the ohmic sensing circuit.
5
6
8
10
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