Table 8-1.--Ranges of Oxyacetylene Cutting Tips
metal and the larger sizes are used for cutting heavy
The central opening or orifice in the tip is for the
metal. Tip sizes are identified by numbers. When
jet or stream of high-pressure oxygen that does the
cutting. The smaller orifices are for oxyacetylene
numbers such as 000, 00, 0, 1, 2, 3, 4, and 5 are used
flames used for preheating the metal to its ignition
to identify tip sizes, the lower numbers indicate the
temperature. There are usually four or six of these
smaller tips; for example, a 000 tip is smaller than a
preheat orifices in each oxyacetylene cutting tip;
number 1 tip, and a number 1 tip is smaller than a
however, some heavy-duty tips have many more
number 5 tip. Some manufacturers identify cutting tips
preheat orifices.
by giving the drill size number of the orifices. Large
drill size numbers indicate small orifices; for example,
Cutting tips are furnished in various sizes. In
drill size 64 is smaller than drill size 56. In military
general, the smaller sizes are used for cutting thin
Figure 8-12.--Cutting tips in various conditions.
8-12