22
Set up procedure for oxy acetylene cutting
Inner
Cones
Secondary
Cone
Outer
Cone
Inner
Cones
Outer
Cone
Inner
Cones
Outer
Cone
Inner
Cones
Outer
Cone
Oxygen
Stream
3-6 mm
Inner
Cones
3-6 mm
Faint flicker
just disappears
Outer
Cone
A
Insufficient Oxygen
•
individual inner cones
•
secondary (luminous) cone
•
Outer bluish cone
A
Insufficient Oxygen
•
Clearly defined inner cones
•
Long outer cone
•
Appears similar to oxy-acetylene
neutral flame
B
Correct Neutral Flame
•
Clearly defined inner cones
•
Faint flicker at end of cone
indicating a very slight secondary
cone just disappears on adjustment
from (a).
•
Outer bluish cone
Short
Inner
Cones
Outer
Cone
B
Correct Neutral Flame
•
Very short inner cones
•
Short and narrow outer cone
C
Excess Oxygen
•
Very short individual inner cones
•
no sign of secondary cone
D
Correct Flame with Cutting
Oxygen Flowing
•
Cutting oxygen stream well defined
Short
Inner
Cones
Outer
Cone
Oxygen
Stream
C
Correct Flame with Cutting
Oxygen Flowing
•
Cutting oxygen stream well defined
Oxygen-LP Gas flame settings (as viewed through cutting goggles)
Oxygen-Acetylene flame settings (as viewed through cutting goggles)
