| 摘要 |
A method is provided for effecting numerically controlled machining operations at a predetermined location. A reference feature is fixed proximate to the predetermined location and the location of a reference surface thereon is measured prior to machining to produce reference surface signals representing the coordinates of the reference surface. Location correction signals are produced in response to the reference surface signals, the location correction signals representing the difference between the measured location of the reference surface and the actual location thereof. The machining operation is performed in response to the location correction signals to effect the machining operation at the predetermined location.
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