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OPERATION
Fig 11
CUT QUALITY
Note: Cut quality depends heavily on setup and
parameters such as torch standoff, alignment
with the workpiece, cutting speed, gas
pressures, and operator ability.
Cut quality requirements differ depending on
application. For instance, nitride build - up and
Fig 12
Top
Spatter
Dross Build-up
bevel angle may be major factors when the
surface will be welded after cutting. Dross - free
cutting is important when finish cut quality is
desired to avoid a secondary cleaning operation.
The following cut quality characteristics are
illustrated in Fig.12.
Kerf Width
Cut Surface Drag Lines
25
An arc length of up to 15mm can be employed
whilst the torch is moved in the direction of the
material to be removed. Several small cuts
should be made to remove the unwanted
material.
After Cutting Operation Is Finished
1. Release the torch trigger. Main arc stops.
2. Set the power supply ON / OFF switch to
OFF position.
3. Set the main power disconnect to OFF, or
unplug input power cord.
Cut Surface Bevel Angle
Top Edge
Rounding
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