Chapter 6 Squareness Measurements in a Horizontal Plane
Positioning the Laser Head and Target Machine
6-6 Measurements Reference Guide
Figure 6-3. Set Up Laser: SQUARENESS screen
Positioning the Laser Head and Target
Machine
In squareness measurements, you measure the perpendicularity between
two axes. You do this by making two straightness measurements. The
first axis measurement is a straightness measurement along a horizontal
axis (Figure 6-4). You use an optical square for this measurement. The
second axis measurement is also a straightness measurement along a
horizontal axis. Typically, you do not use an optical square for the second
measurement. However, if your machine (such as a CMM) has a
stationary bed, you need to use a optical square.
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