Cutmaster a40, a60, Mild steel 40a air plasma / air shield – Tweco A40-A60 CutMaster User Manual
Page 44
CUTMASTER A40, A60
OPERATION Manual 0-5120
4T-10
4T.08 Recommended Cutting Speeds for Machine and Automated Torches With
Exposed Tip
Mild Steel
40A
Air Plasma / Air Shield
Deflector
Standard Shield Cup
Maximum Life Shield Cup
Tip
Starter Cartridge
Heavy Duty Starter
Cartridge
Electrode
9-8243
9-8218
9-8237
9-8208
9-8213
9-8277
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)
20
0.036
70 (25')
75 (50')
101
0.14
160
0.18
0.0
0.05
16
0.060
103
0.14
140
0.18
0.0
0.05
14
0.075
105
0.14
120
0.18
0.1
0.06
12
0.105
108
0.14
80
0.18
0.2
0.06
10
0.135
110
0.14
60
0.18
0.3
0.06
3/16
0.188
111
0.14
55
0.18
0.4
0.06
1/4
0.250
117
0.14
40
0.18
0.5
0.07
3/8
0.375
119
0.14
25
0.18
1.2
0.07
1/2
0.500
120
0.14
15
0.2
2.0
0.07
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)
1
4.8 (7.6m)
5.2 (15.2m)
101
3.6
3990
4.6
0.0
1.1
2
105
3.6
2920
4.6
0.1
1.4
3
109
3.6
1810
4.6
0.3
1.5
4
110
3.6
1470
4.6
0.3
1.6
5
112
3.6
1345
4.6
0.4
1.6
6
116
3.6
1100
4.6
0.5
1.7
8
118
3.6
815
4.6
1.0
1.7
10
119
3.6
595
4.6
1.5
1.8
12
120
3.6
435
5.1
2.0
1.8
BOLD TYPE indicates maximum piercing parameters.