Coordinate Measuring Machines
This category includes machines used to measure an object’s geometry through discrete surface point sensing via probe, commonly either a laser, optical probe, mechanical probe, or white light. Coordinate Measuring Machines (CMMs) can be calibrated to complete repeated measuring tasks automatically without reprogramming after each use. CMMs commonly use micrometer precision to track probe movement along three axes, producing a ‘point cloud’ mapping the object’s surface. CMMs are commonly used to test a machined part against its intended pattern for accuracy of manufacture.
Automation and Metrology
To remain competitive, more shops are searching for ways to better utilize their quality workforce and supplement them with automation. But Ken Myers of Mitutoyo America explains that what automating metrology means to one person might not mean the same to another.
To remain competitive, more shops are searching for ways to better utilize their quality workforce and supplement them with automation. But Ken Myers of Mitutoyo America explains that what automating metrology means to one person might not mean the same to another.
The long-established technology of coordinate measuring machines is now being challenged in myriad applications by the fast-emerging, highly advanced science of blue light scanning.
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Here are some of the latest advances in automated measurement that can help improve the productivity and capability of your inspection processes.
The COORD3 Universal CMM from Perceptron uses the latest REVO-2 5-axis measuring system to minimize CMM dynamic error by managing all part feature scanning motion within the REVO-2 head.
Mitutoyo America Corp.’s QM-Height Series measures height, height difference (step), inside/outside widths, inside/outside diameters, circle pitch, and free-form surface max/min heights to ±(2.4+2.1L/600) μm. Simple-to-use control panel enables most measurements to be made with one keystroke.
The coordinate measuring machine (CMM) manufacturer is entering the portable measuring arm market with the Freedom line of 24 3D articulating arms. A 6-axis model for touch probing and a 7-axis version for multisensor metrology including laser scanning are available in two accuracy levels.
Hexagon Manufacturing Intelligence’s R12 is a 12-megapixel version of the company’s AICON SmartScan white light scanner. The higher-resolution camera increases the accuracy of a system known for versatility and portability.
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