Oxyfuel Cutting Routine

1. Oxyfuel Cutting Routine

2. Typical Valve Setup

Low
Preheat
Fuel
High
Preheat
Pierce
Control
Cut Gas
O2

3. Low Preheat = Low Pressure Fuel

Low
Preheat
Fuel
High
Preheat
Pierce
Control
Cut Gas
O2

4. Ignition through Igniters or Manual

Low
Preheat
Fuel
High
Preheat
Pierce
Control
Cut Gas
O2

5. Flame with Low pressure Fuel

Low
Preheat
Fuel
High
Preheat
Pierce
Control
Cut Gas
O2

6. High Pressure Fuel

Low
Preheat
Fuel
High
Preheat
Pierce
Control
Cut Gas
O2

7. Low Pressure Oxygen

Low
Preheat
Fuel
High
Preheat
Depending on
how it is
configured, either
Low or High
preheat will
remain on while
cutting
Pierce
Control
Cut Gas
Used to aide in
piercing the plate
O2

8. High Pressure Oxygen

Low
Preheat
Fuel
High
Preheat
Depending on
how it is
configured, either
Low or High
preheat will
remain on while
cutting
Pierce
Control
Cut Gas
Cut Control, or
Cut gas
activates the
higher
pressure O2
O2

9. Cutting Sequence

• Torch Down Output
• Ignition and Low Preheat Turn on

10.

• After Low Preheat time expires –
• High Preheat activates
• Operator can use timers or wait for
when plate is ready to cut

11.

• After High Preheat Time expires –
• Cut Control output turns on

12.

Cut Control Output
Pierce Delay Time
- Pierce Control output
Creep Time
Full Motion