Thermal Dynamics PCH-100XL, Instruction Manual

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Manual 0-2583 9 INTRODUCTION & DESCRIPTION
SECTION 2:
INTRODUCTION &
DESCRIPTION
2.01 Scope of Manual
This manual contains descriptions, operating instructions
and maintenance procedures for the PCH/M-100XL
Torch. Service of this equipment is restricted to Thermal
Dynamics 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 understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.
2.02 General Description
NOTE
Refer to Section 2.05, Introduction To Plasma, for
a more detailed description on plasma theory.
The PCH/M-100XL Torch provides cutting capacity of
up to 1 inch (25.4 mm) at 70 amperes. In the torch, a
single torch lead provides compressed air or nitrogen (N2)
from a single source to be used as both the plasma and
secondary gas. The air flow is divided inside the torch
head. Single-gas operation provides a smaller sized torch
and inexpensive operation.
Plasma torches are similar in design to the common au-
tomotive spark plug. They consist of negative and posi-
tive sections which are separated by a center insulator.
Inside the torch, the pilot arc is initiated in the gap be-
tween 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.
2.03 Specifications & Design
Features
The following applies to the PCH/M-100XL Torch only:
A. Torch Configurations
1. Hand Torch PCH-100XL
PCH-100XL is available with torch heads at 70°
and 90° to the torch handle. The hand torches in-
clude a torch handle and torch switch assembly.
PCH-100XL (90˚) Hand Torch
PCH-100XL (70˚) Hand Torch
A-01365
Figure 2-1 PCH-100XL Hand Torches
2. Machine Torch PCM-100XL
PCM-100XL Machine Torch is supplied with a
metal mounting tube with rack and pinion assem-
bly.
PCM-100XL Machine Torch
Shown with Rack and Pinion
Mounting Assembly
A-01363
Figure 2-2 PCM-100XL Machine Torch
B. Torch Leads Lengths
25 ft (7.6 m) or 50 ft (15.2 m)
C. Current Rating
70 Amps Max., DC, Straight Polarity