Chapter 12 Sawing and Cutoff Machines
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TEST YOUR KNOWLEDGE
Please do not write in the text. Write your
answers on a separate sheet of paper.
1. List the three basic types of metal-cutting saws.
2. The _____ type saw has a back-and-forth cut-
ting action. However, it only cuts on the _____
stroke.
3. What is the “three-tooth rule” for sawing?
4. When using a power sawing machine, with
which materials should you not use coolant?
5. Hacksaw blades are manufactured in two prin-
cipal types. Name them.
6. The following “rule-of-thumb” should be fol-
lowed for selecting the correct blade:
a. _____ teeth per inch for cutting large sec-
tions or readily machined materials.
b. _____ teeth per inch for cutting harder
alloys and miscellaneous cutting.
c. _____ teeth per inch for cutting on the
majority of light-duty machines, where
work is limited to small sections and mod-
erate to light feed pressures.
7. List three methods used to put proper tension
on a power hacksaw blade.
8. When is a stop gage used?
9. What three advantages does the continuous
band sawing machine offer over other types of
power saws?
10. Band saw blades are made with two types of
teeth. Name them.
11. The tooth pattern of a blade determines the
efficiency of a blade in various materials.
a. The _____ tooth is best suited for cutting
most ferrous metals.
b. The _____ tooth pattern is preferred for
cutting aluminum, magnesium, copper,
and soft brass.
c. The _____ tooth is also recommended for
most nonferrous metallic materials.
12. List the three types of circular metal-cutting
saws.
13. List five safety precautions to be observed
when operating a power saw.