Mild steel 120a air plasma / air shield – Tweco A80-A120 CutMaster User Manual
Page 53
CUTMASTER A80, A120
Manual 0-5119
OPERATION
4T-21
Mild Steel
120A
Air Plasma / Air Shield
Deflector
Standard Shield Cup
Maximum Life Shield Cup
Tip
Starter Cartridge
Electrode
9-8243
9-8218
9-8237
9-8233
9-8213
9-8232
Material
Thickness
Gas
Pressure
(Air)
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf Width
@ Rec. Speed
(GA)
(in)
inch
PSI
(torch lead
length)
Volts
(in)
(ipm)
(in)
(sec)
(in)
1/4
0.250
80 (25')
80 (50')
134
0.19
150
0.25
0.10
0.11
3/8
0.375
141
0.19
85
0.25
0.30
0.11
1/2
0.500
141
0.19
70
0.25
0.80
0.12
5/8
0.625
146
0.19
45
0.25
1.00
0.12
3/4
0.750
150
0.19
30
0.25
1.20
0.12
7/8
0.875
160
0.25
25
Edge Start
0.14
1
1.000
163
0.25
19
Edge Start
0.14
1-1/4
1.250
168
0.25
12
Edge Start
0.15
1-1/2
1.500
172
0.25
8
Edge Start
0.16
Material
Thickness
Gas Pressure
(Air)
Arc Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf Width
@ Rec. Speed
(mm)
Bar
(torch lead
length)
Volts
(mm)
(mm/min)
(mm)
(sec)
(mm)
6.0
5.5 (7.6 m)
5.5 (15.2 m)
133
4.8
3990
6.4
0.1
2.5
8.0
138
4.8
2950
6.4
0.2
2.7
10.0
141
4.8
2100
6.4
0.4
2.8
12.0
141
4.8
1860
6.4
0.6
2.9
15.0
145
4.8
1320
6.4
1.0
3.0
20.0
153
4.8
720
6.4
1.2
3.2
25.0
163
6.4
500
Edge Start
3.6
30.0
167
6.4
355
Edge Start
3.8
35.0
170
6.4
255
Edge Start
4.0
40.0
173
6.4
175
Edge Start
4.2
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.