43
44
The air gap at B in Figure 5 is determined
air gap = /2
= 11.6 micro inches X9
in the same manner.
This value should be
= 104.4 micro inches
____________ micro inches.
50
51
The interference bands shown have been
straight and evenly spaced. These bands were
_______ and _______ ______ because the gage block
No Response Required
flatness errors were produced by mating surfaces
which were flat. The mating surfaces also had
constant slopes.
58
wider (greater)
59
You know that the gap at B (foldout-12) is
wider than the gap at A because there are _______
interference ________ at B.
65
side
66
When the point of contact at A is shifted
optical
by tilting one side of the optical flat as
center
shown at B, the interference bands ___________
flat
in number and move _____ from the _____ of _____.
73
decreased
74
The material discussed to this point in
this chapter has been concerned with the optical
decrease
flat application which involves flatness error
measurements. In addition to the application
width
which involves __________ _______ measurements,
you should know the application which involves
height (reference dimension) measurements.
81
distance
82
In order to determine the difference in the
leading
heights of the gage blocks shown in foldout-14,
edge
you must know (or measure) the _________ of the
width
___________ block and the ___________ from the
standard
___________ ______ of one block to the ________
____________ of the other block.
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