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Model 5526A
Straigh tness Measurements
,
~_
J
figure
11·4.
Posilioning
the
Optics
4.
Decide
whether you are making a Vertica
l
or a
Hori
zon
tal
Straightness mcasurement on
this
a)(is. and turn
th~
Reflector
so
its
slot is
in
the
plane you want
to measure,
and
the Turning
Mirror is
on the appropriate side of
the Rcflector
(see
figure
11-5).
If
you
are making
a Straightness measurementln
the plane perpendi cular to the laser beam
(Horizontal
Straightness), orient
the
Straightness
Reflector perpendicular to the laser beam
with the
Turning
Mirror's
base toward Ihe la
se
r Head
.
If
you arc
making
a Straightness measuremen
t
in the
plane
parallel to the laser beam
(Vertical
Straightness),
orient the
Straightness
Re
flector
parallel
to the laser
beam and with the
Turning
Mirror's
base off
\0
one side.
As figure
11-5
shows,
the Straightness Reflector's
s101 should
be
as
close as possible 10
the
Turning
Mirror.
11
-9
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