Coordinate is a point, a fixed singular location in three-dimensional space. To define the parameters of a complex shape, a series of points can be used. So a coordinate measuring machine is any device that can collect this set of points for a given object and do so with an acceptable degree of accuracy and repeatability.
The foundation of the system is just that a heavy base plate or table which serves as the foundation for an object placed on it to be measured. This is often a massive slab of granite or some other dense material which is stable, rigid, immune to fluctuations caused by the environment, and ground with a very flat top face. To this table is mounted a moveable bridge or gantry. Vertical posts support horizontal beams, and on this beam will be suspended another vertical column which holds the measuring probe. The bridge or gantry is able to move along the X-axis. The vertical spindle can move along the bridge thus defining the Y-axis. And the probe on the vertical column can move up and down which defines the Z-axis over the table. At the ends of the spindle is the probe and there are various technologies that can be used as a probe, partly depending on the objects to be measured and the degree of accuracy required.
Finally, the tip of the probe communicated it information on a computer that interprets the data with specialized software to create a 3D map of the part in question from the cumulative set of points. All touch probes must make physical contact with an object to take a reading but this might not be desirable for extremely delicate surfaces that might potentially be damaged. Though this concern is virtually non-existent for machines metals and plastics.
Whether you are looking for an entry-level model or already have experience with coordinate measurement systems and are now looking to improve quality assurance or increase inspection capacity - we have the products and expertise you require.
Profit from increased quality and process improvement with the aid of these stationary coordinate measuring machines. CMMs are appropriate for measuring tasks in nearly every industry where accuracy, repeatable results and automated measuring of dimensions is required.
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