OFC
What oxyfuel gas is flammable?
Acetylene
What does PAC stand for?
Plasma Arc Cutting
What is the Green and Red lines on OFC torch?
Green-Oxygen
Red- Acetylene
What type of gas is used with PAC?
Compressed Air
What does OFC stand for?
Oxyfuel Cutting
What 3 kinds of material does PAC cut?
Aluminum, Carbon Steel, and Stainless
What is the tool that lights the flame called?
Striker
15
What is a neutral flame?
A preheating flame to increase temperature of the metal
What is Plasma?
Ionized Gas
List 3 PPE that needs to be worn when Cutting OFC or PAC.
Gloves, Safety glasses or Cutting glasses, and Helmet
What temperature does the PAC flame reach?
30,000-43,000 degrees
List ALL 4 of the common uses for OFC.
Manufacturing, maintenance, railroad, and automotive repair
What is Kerf?
The hole where the cut is made.
Why are the Acetylene leads on the OFC torch Left-handed threads?
To avoid connecting to the wrong gas.
What is another word for the holes on a OFC cutting tip?
Orifices
What is the chemical compound for Acetylene and what kind of chemical reaction occurs during cutting?
C2H2 and Combustion
What is Dross?
Molten residue from cutting on back of material
Material Thickness
On an OFC tip what is the center hole and outside edge holes called?
Center- Cutting Oxygen Orifice
Outside- Preheat Orifices