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Model
5528A
5traigh tness
Measurements
14.
Swit ch
the
ex
it port
to
the
small
ape
rt
u re
and redo
step
"
13".
15.
Secure
the Turning
Mi
rr
or/
Reflector
Assembly
to the
ma chine
,
if
you
had
to loosen it
to do
step
" 13"
and step
"
14".
16.
Go
to
the
"
Alignment
Pr
ocedure
(for
Hori
zo
ntal
or
Vertica
l
Axis)".
Installing
Optics
For A
Horizontal-Axis Me asure me
nt
1.
Assemble
the
Straight
ness Reflecto
r
and
its
mount
as
you would for
a
measurement along
a
Horizonta
l
ax is (see figure
10-4
).
NOTE
If
you
will
be making
a
Di stan
ce
or
Angular mea surement
laler,
establish
a measurement
axis
at
a
height
above the
tabl
e
th at
will
all
ow
easy interchang
in
g of
the
Opti
cs.
To do this,
mount the
Straigh
tn
ess
Refl
ector
as
low
as
possible o
n
its
Base,
wi thout
coveri
ng
up
the
hole
in
the
Refl
ector
Mount's
post
2.
Posi
tion
the
Refl ector
and
its
mounting
hardware
on the part of
the
machine
that normall
y
holds
the
workpiece,
in
line wi
th
and facing the spindle.
3.
Decide whethe
r
you
are
makin
g
it
Vertica
l
or a
Horizontal
St
rai
ghtness measuremen
t
on
thi
s
axis,
and turn
th
e
Reflector so
its slol
is
In
the
plane
yo
u
want to
measure.
4.
Mount
the
Vertica
l
St raig htness
Kit's
Straig
htn
ess
Retrorefleclor w here the
too
l
normall
y
mounts,
except
orient
it
horizontall
y
instead of
ve
rticall
y.
(See
f
igure
11 -8.
)
Screw
the
Interferometer
into
the
large
Retrorefl
ector, usi
ng
the
two 3
mm
fl
at
head
screws
provided.
y
tc
z
X
STRA IGHTNESS
STRAIG HTNESS
REFlECTOR
STRA IGHTNESS
RETAOREFLECTOR
figure
1"/-8. Straighlness
Measuremen
ts on
a
Hori
zonta
l
Z-Axis
11 -13
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