Chapter 7 Squareness Measurements in a Vertical Plane
Mounting and Aligning Optics for the Second Axis Measurement
7-18 Measurements Reference Guide
Figure 7-9. Gauge block attached to the side of the optical square
6 Turn the optical square left and right until the dot enters the upper port
on the laser head.
This makes the optical square perpendicular to the laser beam.
7 If you cannot get the dot to enter the upper port on the laser head, follow
these steps:
a. Remove the interferometer assembly from the spindle.
b. Mount a dial indicator in the spindle.
1
Optical square
2 Interferometer assembly
3 Gauge block
4 Laser head
3
1
4
2
OPTI
CA
L
SQ
U
AR
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0777A
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EW
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E
T
T
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0
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0
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7
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N
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N
G
M
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R
R
O
R
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T
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00
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