Tweco 12mm Cutmaster - Manual (Page 19)

CUTMASTER 10MM, 12MM
Manual 0-5197AD 2T-1 TORCH INTRODUCTION
2T.01 Scope of Operating Manual
This manual contains descriptions, operating instructions
and maintenance procedures for the SL60 Plasma Cutting
Torch. Service of this equipment is restricted to properly
trained personnel; unqualified personnel are strictly
cautioned against attempting repairs or adjustments not
covered in this manual, at the risk of voiding the Warranty.
Read this manual thoroughly. A complete understanding
of the characteristics and capabilities of this equipment
will assure the dependable operation for which it was
designed.
2T.02 Specifications
A. Torch Configurations
1. Hand Torch, Model SL60
The hand torch head is at 75° to the torch handle.
The hand torch includes a torch handle and torch
trigger assembly.
10.125" (257 mm)
3.75"
(95 mm)
1.17" (29 mm)
Art # A-03322_AB
Figure 2T-1 - SL60 Torch
B. Torch Leads Lengths
Hand Torches are available as follows:
• 20 ft / 6,2m
C. Torch Parts
Starter Cartridge, Electrode, Tip, Shield Cup
(See "Figure 4-3 - SL60 Torch Parts" on page 4-2.)
D. Parts-In-Place (PIP)
Torch has built-in switch.
12 VDC circuit rating.
E. Type Cooling
Combination of ambient air and gas stream through
torch.
F. Torch Ratings
SL60 Torch Ratings
Ambient
Temperature
104° F
40° C
Duty Cycle 100% @ 60 Amps @ 400 scfh
Maximum Current 60 Amps
Voltage (V
peak
) 500V
Arc Striking Voltage 7kV
scfh = Standard cubic foot per hour
G. Current Ratings
SL60 Current Ratings
SL60 Torch & Leads
Up to 60 Amps, DC,
Straight Polarity
NOTE
Power Source characteristics will determine
material thickness range.
H. Gas Requirements
SL60 Torch Gas Specifications
Gas (Plasma and Secondary) Compressed Air
Operating Pressure
Refer to NOTE
60 - 75 psi
4.1 - 5.2 bar
Maximum Input Pressure 125 psi / 8.6 bar
Gas Flow
300-500 scfh
142-235 lpm
lpm = Litre per minute
!
WARNING
This torch is NOT TO BE used with oxygen (O
2
).
NOTE
Operating pressure varies with torch model,
operating amperage, and torch leads length.
Refer to gas pressure settings charts for each
model.
SECTION 2 TORCH:
INTRODUCTION