Chapter 6 Squareness Measurements in a Horizontal Plane
Aligning the Laser Beam to the Machine’s Travel Path for the First Axis
Measurement
6-16 Measurements Reference Guide
You are now ready to align the laser beam to the machine’s travel path.
Continue with the next section, “Aligning the Laser Beam to the
Machine’s Travel Path for the First Axis Measurement.”
Aligning the Laser Beam to the Machine’s
Travel Path for the First Axis Measurement
Before using the following instructions, make sure that the turret ring on
the laser head is set to OTHER, the small opening is in place over the
upper aperture, and the optical square is square to the machine. To
ensure that the optical square is square to the machine, you can use
T slots (if available) or a dial indicator.
To align the laser beam to the machine’s travel path, follow these steps:
1 Place a gauge block on the optical square.
• If your optics are set up as shown in Figure 5-4, place the gauge block
over the midpoint notches on the optical square on the side facing the
laser head. To secure the gauge block, you can use a rubber band.
Then, remove the interferometer from its base plate.
• If your optics are set up as shown in Figure 5-5, place the gauge block
over the midpoint notches on the optical square on the side facing the
retroreflector. Then, remove the interferometer from the
retroreflector.
2 Rotate or translate the laser head until the beam reflects off the gauge
block and enters the upper port on the laser’s head.
3 Remount the interferometer.
You are now ready to mount and align the reflector for the first axis
measurement.
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