16
millionths
17
Gage blocks were invented by Carl Johansson
inch
His blocks were constructed in one of the two
degree
shapes commonly used for gage blocks. Since
temperature
Major Hoke invented the square gage block, you
know that the Johansson block is _______________
in shape.
34
5
35
When you add the numbers 8, 12, and 53
respectively to the lower limit for gage sets
28
most widely used, you have the respective num-
bers for sets between the lower and upper limits
103
These numbers are _____ , _____ , and _____ .
51
52
When gage blocks are received from the
factory, they are covered with a rust proof
grease. You must remove this ______ __________
No Response Required
______________ before you use the blocks.
71
standard
72
Since the dimensional area standard temper-
68F
ature is _____ , _____ , the temperature in the
2
dimensional area of your laboratory may vary
changes
from _____ to _____ .
dimensions
91
mating
92
Review the wringing procedure.
Bring the gage block mating surfaces into
surfaces
contact so that they will be flat against
each other.
coincide
Using a rotary motion, shift the blocks half
out of engagement; and at the same time re-
tain some contact between the mating surfaces
Slide the blocks together so that their mat-
ing surfaces coincide. (No response required)
The response for
frame
109 is on page 37.
Figure 9.
Gage block length or thickness.
35
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