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HP 5528A User Manual

HP 5528A
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Model
5528A
Stra
ightn
ess
MeasuremenfS (
Along
A Hori
zo
nt
al Axis)
1
2.
Select the
sma
ll
ape
rtur
e for the laser H
ea
d's exit port and repeat step "
11
".
13.
Secure the R
ef
lector
asse
mbly so it is square relative to the inco
min
g
la
se
r beam
within
± 5
degrees.
14. Reatta ch the
!argetto
the Interferometer
so
the hole in the Interfe r
omete
r
's
targel is centered
around the b
ea
m.
15
. You are n
ow
ready 10 align the laser to the machine's travel.
Review the "GUNSIGHT" mel hod
of
a
li
gnment in Section 15
of
this User's Guide.
Your
goa
l is to adjust the
la
se
r He
ad
to
track the Optic's
pr
ogression
al
ong
the tr
ave
l path,
while maint
ai
ning the beam's near
-end-of
-travel position. You will
do
this by -
Keeping the
bea
m in the
sm
all hole on the Int
er
f
erometer
target, to maintain
the
beam's near-end
-of
travel position, and -
K
ee
ping a two-dot pattern in line with the
jun
ction
of
the Re
rte
ctor
's mirrors, and
sy
mmetri
cal
about
ils
slo
tt
ed openin
g,
10
match the
Opti
c's
tr
ave
l.
This will be a little different than aligning for Distance a
nd
Angular measurements, since
with these alignments you were
only
w
at
ching one d
ot
relati
ve
to a tar
ge
t c
ro
ss
h
ai
r.
16. M ove the Optics to the far end of trave
l.
1
7.
Rot
ili
le the
la
ser
Head, verticall y ilnd horizontally, to keep the
two
dots lined
up
on
the
junction
of
the
Refl
ector
's
mirrors, and symmetri
ca
l about
its
sl
otted
open
ing. (
See
Figure 10-7.)
Sin
ce
th
e daIs wi
ll
move apart
as
the Optics move, you
ma
y
ha
ve to hold a card on each side
of
the Reflect
or
's slot to fo
ll
ow
their movement.
Figure
10
-
7.
Two
Dm
s
on
the
Reflector
10-11

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HP 5528A Specifications

General IconGeneral
BrandHP
Model5528A
CategoryMeasuring Instruments
LanguageEnglish

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