AVR400 System User Guide
computer numerical control (CNC) The automated control of machining tools by means of a computer. A CNC machine processes a piece of material (metal, plastic, wood, ceramic, or composite) to meet specifications by following a coded programmed instruction and without a manual operator. D datum In geometric dimensioning and tolerancing (GD&T), datum features are theoretically exact points, axes, lines, or planes. They serve as anchors for the entire part, allowing precise measurement and control. distortion Optical image distortion at the CCD sensor across the maximum field of view. Expressed in percent for the dimensional error along one axis divided by the true dimension. DXF See Drawing Exchange Format. Drawing Exchange Format (DXF) A computer aided design (CAD) data file format developed by Autodesk, Inc. and now also used by other companies for the export and import of CAD data. E electromagnetic compatibility (EMC) The ability of electrical equipment and systems to function acceptably in their electromagnetic environment, by limiting the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage in operational equipment. EMC See electromagnetic compatibility. F
fiducial point
A point (or line) on a scale used for reference or comparison purposes.
field of view (FOV) The region of the metrology stage being viewed by the camera and displayed on the video monitor. field of view measurement (FOV measurement) A video measurement performed in a single field of view without moving the stage or camera.
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