PRECISION MEASURING AND GAGING - OD1642 - LESSON 1/PE 1
PRACTICAL EXERCISE 1
1.
Instructions
On a plain piece of paper, respond to the requirement below.
2.
Requirement
Successful completion of this exercise provides indication of success in the
subcourse.
Check your answers against those provided on the answer page
following the questions.
a.
What is the definition of a fit?
b.
Running or clearance fits have how many classes?
c.
What are three types of transitional fits?
d.
What is the general rule for determining how much is allowed for a
force or a shrink fit of internally bored parts?
e.
On an interference allowance fit between mating parts, which component
can be smaller but not larger that the basic dimension?
f.
What is a gage?
g.
Which device is the vernier height gage placed on to achieve the most
accurate results in transferring measurements?
h.
Which gage is used to gage larger holes
and
transfer
their
measurements to be checked by an outside micrometer?
i.
What type of GO, NO GO gage is provided with four pins to check
dimensions between flat parallel or cylindrical work?
j.
How does the "scale" differ from the rule?
k.
Which angles are checked by the center gage?
l.
Which tool is used to check an inside cylinder for out-of-roundness?
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