| 摘要 |
A 3D measuring apparatus includes a probe that has a spherical gauge head for measuring a measured object; a motion mechanism that holds and moves the probe; and a motion controller that controls the motion mechanism. The controller includes a contact point obtainer that obtains a contact point location of a surface of the measured object and the gauge head based on a central location of the gauge head; a radius of the gauge head; and a swing amount of the gauge head. The controller also includes a motion commander that calculates a location command value causing the motion mechanism to move the probe, based on the contact point location obtained by the contact point obtainer.
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