Mod
el 5528A
5
tr
aightn
ess
Measurement
s
14
. Switch the
ex
it port to the small aperture and
redo
step "
13
".
1
5.
Sec
ur
e the Turning
Mi
rr
or
/ Reflector A
sse
mbl
y to the
ma
c
hine
, if you had to loosen it
to
do
step "
13
" and step "
14
".
16
. Go to the " Alignment
Pr
oce
dur
e (
for
Horizontal or Verti
ca
l Axis)".
Installing Optics For A Horizontal-Axis Measurement
1. Assemble the Straightn
ess
Reflector and
it
s
mount
as
yo
u
wo
uld
fo
r a meas
ur
e
ment
along
a
Horizontal
ax
is (
see
fi
gure 10-4
).
NOTE
If you will be making a Di
st
an
ce
or
Angular meas
urem
e
nt
laler,
es
tablish a meas
urement
ax
is
at
a height above the table that
will
all
ow
easy
interchanging
of
the
Op
ti
cs.
To
do
this,
mount
the Straightn
ess
Reflect
or
as l
ow
as
p
oss
ibl
e on
its
Ba
se,
with
out
coveri
ng
up
the h
ole
in
the Refl
ector
Mount'
s
po
st
2.
P
osi
tion the Reflector and its
mounting
hardware
on
the
part
of
th
e mac
hine
that no
rmall
y
hold
s the
wo
rkpie
ce,
in
line wi th and facing the
sp
indl
e.
3.
Decide
whethe
r you are making
it
Vertical
or
a
Horizontal
St
raightness meas
ur
emen
t
on
thi
s
axi
s,
and turn the Reflec
tor
so
its
sl
ol
is In the plane you want
to
meas
ur
e.
4.
Mount
the Vertical
St
raightn
ess
Kit's S
tr
aig
htn
ess
Re
tr
or
ef
l
eclor
where the
to
ol
normall
y
mount
s,
except orient
it
horizontally instead
of
verticall
y.
(
See
f ig
ur
e
11
-8. )
Sc
r
ew
the Inte
rf
er
ometer
i
nto
the large Re
tr
or
e
fl
ector, u
si
ng the t
wo
3
mm
fl
at
head
sc
rews
pro
vided.
y
tc
z
X
STRAIGHTNESS
STRAIGHTNESS
REFlECTOR
STRAI
GHT
NESS
RETAOREFLECTOR
figure
1"/
-8. Straig
hlne
ss
Measurements
on
a Ho
ri
zontal Z-Axis
11
-13
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