Cutmaster a40, Mild steel 40a air plasma / air shield – Tweco A40 CutMaster User Manual
Page 62
CUTMASTER A40
4T-24
OPERATION
Manual 0-4978
4T.09 RECOMMENDED CUTTING SPEEDS FOR MACHINE AND AUTOMATED TORCHES WITH SHIELDED TIP
Mild Steel
40A
Air Plasma / Air Shield
Shield Cap
Maximum Life Shield Cup
Tip
Starter Cartridge
Heavy Duty Starter Cartridge
Electrode
9-8245
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
75 (25')
80 (50')
107
0.16
130
0.16
0.0
0.06
16
0.060
113
0.16
120
0.16
0.0
0.06
14
0.075
108
0.16
90
0.16
0.1
0.06
12
0.105
111
0.16
75
0.16
0.2
0.06
10
0.135
114
0.16
65
0.16
0.3
0.07
3/16
0.188
115
0.16
65
0.16
0.4
0.07
1/4
0.250
118
0.16
45
0.16
0.5
0.07
3/8
0.375
123
0.16
23
0.16
1.2
0.08
1/2
0.500
128
0.16
18
0.16
2.0
0.08