Chapter 8 Parallelism Measurements
Mounting and Aligning Optics for Coplanar Parallelism Measurements
Measurements Reference Guide 8-11
Mounting and Aligning Optics for Coplanar
Parallelism Measurements
Depending on the two axes you want to compare for parallelism and the
type of target machine, follow the instructions in one of the following
sections in Chapter 5, “Straightness Measurements”:
• “Mounting and Aligning Optics for X-Axis or Y-Axis Measurements”
• “Positioning optics for X-axis and Y-axis measurements”
• “Positioning optics for vertical Z-Axis measurements”
• “Making Vertical Axis Straightness Measurements”
After you mount and align the optics, you are ready to align the laser
beam to the machine’s travel path. Go directly to “Aligning the Laser
Beam to the Machine’s Travel Path” later in this chapter.
Mounting and Aligning Optics for Spindle
Parallelism Measurements
This section explains how to assemble, mount, and align the optics
necessary for a spindle parallelism first axis measurement.
Mounting the optics
To mount the optics for spindle parallelism measurements, follow these
steps:
1 Place the laser head along the most suitable axis according to the
following guidelines:
• If the tailstock is not hollow or is too heavy, place the laser head at the
end of the tool’s travel path so the laser head is perpendicular to the
spindle (Figure 8-5).
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