8
plain steel
9
Other metals considered fur use as gage
block material were iron, phosphor bronze, and
chromium-plated steel
aluminum. Here again we have three materials
____________ , ____________ _____________ ,and
carbide
______________ .
27
relieves
28 We have discussed the square Hoke block and
pressures
the rectangular Johansson block. Since the Hoke
center
block has no nick name, you know that the terms
flatness
Johnny Block or Jo block refer to the __________
block.
44
45 Flat, parallel surfaces and low temperature
No Response Required
coefficients are features which are designed to
increase the ______________________ of measure-
ment made with gage blocks.
63
nicks
64 Striking two gage blocks together
accident-
burrs
ally or accidentally bringing them in
contact
dimensions
with the corners of hard surfaces may
produce
measurement
________ and ________ and destroy the
_________
accuracy
________________ of the gage block.
83
nicks
84 When you are sure that all ____________ has
burrs
been cleaned from the mating _________________ ,
corrosion
and that there are no ______ , ______ , or _____
dirt
_________ on the surfaces, you can wring the ne-
accuracy
cessary blocks.
101
gaging
102 Be careful not to leave the gage blocks
(or mating)
wrung together for long periods of time. If
rotary
gage blocks are left __________ together for
straight
__________ periods of _________ , they tend to
forward
grow together.
19
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