Operation
222 809480 Instruction Manual XPR300
Aluminum
HyDefinition (HDi)
vented processes
In addition to high-quality stainless steel cuts (refer to Stainless steel on page 221), the N
2
and mixed-fuel gas HyDefinition consumables can be used to produce high quality cuts on
aluminum.
HyDefinition
mixed-fuel gas
processes
OptiMix-equipped systems let operators use mixed-fuel gas processes for aluminum
cutting.
The OptiMix gas connect console has a 3-gas mixer that mixes H
2
, Ar, N
2
. The cutting
system chooses an optimized combination of 3 gases or 2 gases (H
2
, Ar) based on the
thickness of the metal to be cut.
HyDefinition vented
water injection
processes
VWI processes use a low flow rate of water through the shield line (instead of shield gas).
A process that uses water as a shield fluid is sometimes known as a “wet” process.
For aluminum, wet processes generally produce a smoother edge than “dry” processes.
Additionally, VWI lets operators get:
• A sharp top edge of the cut
• A smooth cut edge
• Excellent cut-edge angularity
HyDefinition
non-vented
processes
The 300 A processes (N
2
/N
2
, mixed-fuel/N
2
, and N
2
/H
2
O) are non-vented and deliver good
cut quality at fast cutting speeds.
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