The new Roundtest RA-H5200 Series roundness/cylindricity measurement system from Mitutoyo America Corp, Aurora, Ill. is said to be both accurate and flexible. Finite-element modeling was used in designing the unit’s base to ensure geometric accuracy by minimizing deformations caused by normal machine operation. The turntable of the RA-H5200 is also manufactured for extreme rigidity and rides on high-precision air bearings. As a result, rotational accuracy—the key to roundness/cylindricity measurement—is described as “world-class” at (0.02+3.5H/10000) μm. The device also features ultra-high ZAxis column straightness (0.05μm/100mm in the narrow range) as well as standard vibration isolation.
The turntable is equipped with automatic adjustment for high-speed, fully automatic workpiece centering/leveling, thus reducing positioning errors. The system uses Mitutoyo’s Roundpak measurement and analysis software that features an intuitive graphical interface, making the instrument flexible and easy to use. The software supports a wide variety of parameters, including those for roundness/cylindricity, as well as flatness and parallelism.
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