Chapter 5 Straightness Measurements
Positioning the Laser Head and Target Machine
5-8 Measurements Reference Guide
Positioning optics for horizontal Z-axis measurements
Figure 5-5. Positioning of optics for a horizontal Z-axis measurement
A
Measurement in a
horizontal plane along
the Z-axis
B Measurement in a
vertical plane along the
Z-axis
************************
1 Interferometer assembly
oriented horizontally in a
spindle
2 Interferometer assembly
oriented vertically in a
spindle
3 Reflector oriented
vertically
4 Laser head
5 Reflector oriented
horizontally
10
7
7
6
A
S
T
R
A
I
G
H
T
N
E
S
S
A
C
C
E
S
S
O
R
Y
10
7
7
6
A
S
T
R
A
I
G
H
T
N
E
S
S
A
C
C
E
S
S
O
R
Y
1
0
7
7
6
-
6
7
0
0
1
S
T
R
.
R
E
T
R
O
R
E
F
L
E
C
T
O
R
1
0
7
7
6
-
6
7
0
0
1
S
T
R
.
R
E
T
R
O
R
E
F
L
E
C
T
O
R
H
E
W
L
E
T
T
-
P
A
C
K
A
R
D
S
E
R
.
2
2
1
6
A
4
1
4
5
A
B
2
3