The Optical Comparator - 13: DRO/Computer Measuring Radius
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
This animation demonstrates how the DRO/computer is used to measure a radius described by any three points that lie on the radius.

The points shown can be any feature on the screen as long as the same one is used to target each feature on the part. Picking three points as far apart as possible increases accuracy over three point close together.

label: optical comarator, sizes, function, screen, overlay, measuring, manual, DRO,

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