Tweco CutMaster 35mm 40mm - Manual (Page 19)

CUTMASTER 35mm, 40mm
Manual 0-5118 2T-1 INTRODUCTION
2T.01 Scope of Manual
This manual contains descriptions, operating
instructions and maintenance procedures for
the 1 Torch Models SL100/Manual and SL100/
Mechanized Plasma Cutting Torches. Service of
this equipment is restricted to properly trained
personnel; unqualified personnel are strictly
cautioned against attempting repairs or adjust-
ments not covered in this manual, at the risk of
voiding the Warranty.
Read this manual thoroughly. A complete un-
derstanding of the characteristics and capabili-
ties of this equipment will assure the dependable
operation for which it was designed.
2T.02 General Description
Plasma torches are similar in design to the auto-
motive spark plug. They consist of negative and
positive sections separated by a center insula-
tor. Inside the torch, the pilot arc starts in the
gap between the negatively charged electrode
and the positively charged tip. Once the pilot
arc has ionized the plasma gas, the superheated
column of gas flows through the small orifice in
the torch tip, which is focused on the metal to be
cut.
A single torch lead provides gas from a single
source to be used as both the plasma and sec-
ondary gas. The air flow is divided inside the
torch head. Single - gas operation provides a
smaller sized torch and inexpensive operation.
NOTE
Refer to Section "2T.05 Introduction
to Plasma" on page 2T-2, for a more detailed
description of plasma torch operation.
Refer to the Appendix Pages for additional
specifications as related to the Power Supply
used.
2T.03 Specifications
A. Torch Configurations
1. Hand/Manual Torch, Models
The hand torch head is at 75° to the torch han-
dle. The hand torches include a torch handle
and torch trigger assembly.
10.125" (257 mm)
3.75"
(95 mm)
1.17" (29 mm)
Art # A-03322_AB
2. Mechanized Torch, Model
The standard machine torch has a positioning
tube with rack & pinch block assembly.
Art # A-02998
1.75" /
44.5 mm
1.375" / 35 mm
15.875" / 403 mm
0.625" /
16 mm
4.95" / 126 mm
1.175" / 30 mm
9.285" / 236 mm
B. Torch Leads Lengths
Hand Torches are available as follows:
• 20 ft / 6.1 m, with ATC connectors
• 50 ft / 15.2 m, with ATC connectors
Machine Torches are available as follows:
• 5 foot / 1.5 m, with ATC connectors
• 10 foot / 3.05 m, with ATC connectors
• 25 foot / 7.6 m, with ATC connectors
• 50 foot / 15.2 m, with ATC connectors
C. Torch Parts
Starter Cartridge, Electrode, Tip, Shield Cup
D. Parts - In - Place (PIP)
Torch Head has built - in switch
12 VDC circuit rating
E. Type Cooling
Combination of ambient air and gas stream
through torch.
SECTION 2 TORCH:
INTRODUCTION