A SERVICE OF

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4.2.2 On measuring gap
For measuring segment 1, as in the case of measuring
the runout, be sure to arrange a reference pin or
knife-edge at the focal point, as shown on the right. The
inclination of the reception signal becomes large, resulting
in degraded repeatability, unless the reference pin is
provided.
Reference pin or knife-edge
Segment 1
Workpiece
No. 99MBC094A
4-2