Tweco A120 CutMaster - Manual (Page 66)

CUTMASTER A120
OPERATION Manual 0-4989 4T-32
Mild Steel
120A
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
9-8233
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)
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