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CUTMASTER 50+, CUTMASTER 70+
D.
Parts - In - Place (PIP)
Torch Head has built - in switch
22±1.5 VDC circuit rating
E.
Type Cooling
Combination of ambient air and gas stream
through torch.
F.
Torch Ratings
Automated / Machine Torch Ratings
Ambient
Temperature
Duty Cycle
Maximum Current
Voltage (V
)
peak
Arc Striking Voltage
Manual Torch Ratings
Ambient
Temperature
Duty Cycle
Maximum Current
Voltage (V
)
peak
Arc Striking Voltage
G.
Gas Requirements
Automated, Manual and Machine Torch Gas
Specifications
Gas (Plasma and Secondary)
Operating Pressure
Refer to NOTE
Maximum Input Pressure
Gas Flow (Cutting and Gouging)
WARNING
!
!
This Torch is NOT to be used with oxygen (O 2 ).
26
104° F
40° C
100% @ 100 Amps @ 400 scfh
120 Amps
500V
500V
104° F
40° C
100% @ 60 Amps @ 400 scfh
80 Amps
500V
500V
Compressed Air
60 - 75 psi
4.1 - 5.2 bar
410 - 520 kPa
125 psi / 8.6 bar / 860 kPa
5 - 8.3 SCFM
300 - 500 scfh
142 - 235 lpm
NOTE!
Operating pressure varies with torch model, oper-
ating amperage, and torch leads length. Refer to
gas pressure settings charts for each model.
H.
Direct Contact Hazard
For standoff tip the recommended standoff
is 3/16 inches / 4.7 mm.
2T.04
Options And Accessories
For options and accessories, see Section 6.
2T.05
Introduction to Plasma
A.
Plasma Gas Flow
Plasma is a gas which has been heated to
an extremely high temperature and ion-
ized so that it becomes electrically conduc-
tive. The plasma arc cutting and gouging
processes use this plasma to transfer an
electrical arc to the workpiece. The metal
to be cut or removed is melted by the heat
of the arc and then blown away.
While the goal of plasma arc cutting is sep-
aration of the material, plasma arc gouging
is used to remove metals to a controlled
depth and width.
In a Plasma Cutting Torch a cool gas enters
Zone B, where a pilot arc between the
electrode and the torch tip heats and
ionizes the gas. The main cutting arc then
transfers to the workpiece through the
column of plasma gas in Zone C.
INTRODUCTION
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