Tweco Torch Data Manual do Utilizador Página 3

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Manual 0-4730 Rev. AF 8-3 TORCH DATA
Mild Steel
30A
O
2
Plasma / O
2
Shield
Cartridge
21-1020
Electrode
21-1068
Plasma
Gas Distributor
21-1040
Tip
21-1050
Shield Cap
21-1024
Shield Cup
21-1016
Art # A-06768
Shield
Gas Distributor
21-1082
(ga) (in) inch (PSI) Ball (PSI) Ball (PSI) Volts
(in)
±0.005
(ipm) (in) (sec) (in)
20 0.036 60 22 120 21 120 128 0.050 130 0.120 0.2 0.058
16 0.060 60 22 120 21 120 143 0.050 60 0.120 0.3 0.070
14 0.075 60 22 120 21 120 145 0.070 45 0.120 0.3 0.072
12 0.105 60 22 120 21 120 148 0.110 40 0.150 0.3 0.074
10 0.135 80 22 120 21 120 154 0.130 30 0.150 0.3 0.085
3/16 0.188 80 22 120 21 120 154 0.120 25 0.150 0.4 0.075
(Bar) Ball (Bar) Ball (Bar) Volts
(mm)
±0.1
(mm/min)
(mm) (sec) (mm)
4.1 22 8.3 21 8.3 130 1.3 3050 3.0 0.2 1.5
4.1 22 8.3 21 8.3 145 1.9 1130 3.1 0.3 1.8
4.1 22 8.3 21 8.3 150 3.0 910 3.8 0.3 2.0
5.5 22 8.3 21 8.3 154 3.2 710 3.8 0.3 2.1
5.5 22 8.3 21 8.3 155 3.0 640 3.8 0.4 1.9
Ball Press Ball Press Volts
In ±0.005 /
mm ± 0.1
ipm /
mm/min
In ±0.005 /
mm ± 0.1
(sec)
20psi
1.4 bar
20
40 psi
2.8 bar
70
80 psi
5.5 bar
145
0.1
2.5
300
7600
0.1
2.5
0
30A Mild Steel (O
2
/O
2
)
Material
Thickness
Pre Flow
Pr es s ur e
(Air)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (O
2
) Shield (O
2
)
Material
Thickness
Pre Flow
Pr es s ur e
(Air)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (O
2
) Shield (O
2
)
(mm)
1
2
3
4
5
Marking (with 30A Mild Steel Parts)
15A Arc Current
Pre Flow
Pres sure
(N
2
)
Cut Flow Rates / Pres sur es
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Pie r c in g
Height
Pier ce
Delay
Marking
Quality
Degrades
as
Thickness
Decreases.
Burn-through may
occur on
thicknesses
< 1/16" (0.063") /
1.6 mm
Pla s ma
Pressure (N
2
)
Shield
Pres sur e N
2
)
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