Cutmaster a40, a60, Mild steel 40a air plasma / air shield – Tweco A40-A60 CutMaster User Manual
Page 53
CUTMASTER A40, A60
Manual 0-5120
OPERATION
4T-19
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
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
5.2 (7.6)
5.5 (15.2)
108
4.1
3266
4.1
0.0
1.4
2
108
4.1
2239
4.1
0.0
1.5
3
112
4.1
1794
4.1
0.1
1.7
4
114
4.1
1651
4.1
0.2
1.7
5
115
4.1
1578
4.1
0.3
1.7
6
117
4.1
1256
4.1
0.4
1.7
8
121
4.1
853
4.1
0.5
1.7
10
124
4.1
565
4.1
1.2
1.8
12
127
4.1
485
4.1
2.0
1.9
BOLD TYPE indicates maximum piercing parameters.