CUTMASTER 60i
Manual 0-5436 OPERATION
4T-1
SECTION 4 TORCH:
OPERATION
4T.01 Torch Parts Selection
Depending on the type of operation to be done deter-
mines the torch parts to be used.
Type of operation:
Drag cutting, standoff cutting or gouging
Torch parts:
Shield Cup, Cutting Tip, Electrode and Start
Cartridge
NOTE!
Refer to Section 4T.07 and following for ad-
ditional information on torch parts.
Change the torch parts for a different operation as fol-
lows:
WARNING
Disconnect primary power at the source
before assembling or disassembling torch
parts, or torch and leads assemblies.
NOTE!
The shield cup holds the tip and start
cartridge in place. Position the torch with
the shield cup facing upward to keep these
parts from falling out when the cup is
removed.
1. Unscrew and remove the shield cup assembly
from the torch head.
2. Remove the Electrode by pulling it straight out
of the Torch Head.
Electrode
Start Cartridge
Tip
Shield Cup
Torch Head
Large O-Ring
Small O-Ring
Torch Parts
3. Install the replacement Electrode by pushing it
straight into the torch head until it clicks.
4. Install the start cartridge and desired tip for the
operation into the torch head.
5. Hand tighten the shield cup assembly until it
is seated on the torch head. If resistance is felt
when installing the cup, check the threads before
proceeding.
4T.02 Cut Quality
NOTE!
Cut quality depends heavily on setup and
parameters such as torch standoff, align-
ment with the workpiece, cutting speed,
gas pressures, and operator ability.
Cut quality requirements differ depending on applica-
tion. For instance, nitride build - up and bevel angle
may be major factors when the surface will be welded
after cutting. Dross - free cutting is important when fin-
ish cut quality is desired to avoid a secondary cleaning
operation. The following cut quality characteristics are
illustrated in the following figure:
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