Hypertherm MAX200 Instruction Manual page 77

OPERATION
This gas combination gives good cut speed, low dross level and is very economical. Some surface
nitriting can occur. While this process may be used on thicker materials, optimal recommended range is
to 3/8 inch (10 mm).
020448
Shield
English
Plasma Gas
Pressure
Plasma
Gas
Flowrate Test Run
(SCFH) (psi) (psi)
37 22-26 54-58
Metric
Plasma Gas
Pressure
Plasma
Gas
Flowrate Test Run
(l/min) (bar) (bar)
17 1.5-1.8 3.7-4.0
Metric – 80 amps • Air Plasma / Air Shield
Plasma Gas
Pressure
Plasma
Gas
Flowrate Test Run
(l/min) (bar) (bar)
17 1.5-1.8 3.3-3.6
Set plasma gas inlet pressure to 90 psi (6.2 bar)
Set shield gas inlet pressure to 90 psi (6.2 bar)
If leads are greater than 50 feet, increase TEST pressure 5 psi for every extra 50 feet of torch lead length.
* Production cutting above 3/8 inch (10 mm) not recommended.
4-12
14
Mild Steel – Above Water
•
100 amps
120837
Retaining cap
Shield
Gas Material
Shield
Pressure Thickness
Gas
Flowrate
(psi) (Inches)
(SCFH)
3/16
270 60
Shield
Gas Material
Shield
Pressure Thickness
Gas
Flowrate
(bar) (mm)
(l/min)
127 4.0
Shield
Gas Material
Shield
Pressure Thickness
Gas
Flowrate
(bar) (mm)
(l/min)
127 4.0
Air Plasma / Air Shield
020611 020607
Nozzle Swirl ring
Torch-to-Work
Distance
(Inches) (mm)
1/8 3/32 2.5
1/8 3
1/4 1/8 3
1/8 3
3/8
1/8 3
1/2
5/8 .16 4
3/16 5
3/4
Torch-to-Work
Distance
(mm) (Inches)
2.5 3/32
3
5 3 1/8
3 1/8
6
3 1/8
10
3 1/8
12
15 4 .16
20 5 3/16
Torch-to-Work
Distance
(mm) (Inches)
2 2.5 3/32
120547
Electrode
Arc
Voltage
Setting Travel Speed
(Volts) (ipm) (mm/min)
125 185 4700
125 175 4450
130 125 3175
135 50 1270
140 35 890
145 25 635
150 20 510
Arc
Voltage
Setting Travel Speed
(Volts) (mm/min) (ipm)
125 4700 185
125 4450 175
130 3175 125
135 1270 50
140 890 35
145 635 25
150 510 20
Arc
Voltage
Setting Travel Speed
(Volts) (mm/min) (ipm)
120 6050
MAX200 Instruction Manual
Approx.
Motion
Delay Time
(sec)
0.5
0.5
0.5
1.0
*
*
*
Approx.
Motion
Delay Time
(sec)
0.5
0.5
0.5
1.0
*
*
*
Approx.
Motion
Delay Time
(sec)
0.0