Mitutoyo America Corp.

The RA-2000 AS roundness measuring system includes an air bearing rotary table with radial and axial accuracy at the work surface. The vertical column of the tester offers a choice of 11.02 in. or 18.90 in. (280 mm or 480 mm) travel with straightness of 3.93 in. (280 mm). The horizontal arm is constructed of ceramic material for high rigidity and precision, achieving a straightness error of 5.9 in. (150 mm). The arm travels 1 in. (25 mm) beyond the center of rotation to permit continuous measurements on both ID and OD features without having to reset the probe stylus. For repetitive operations, it allows the generation of a part program on the first piece, which can be recalled and executed automatically with a single key on subsequent parts to save time.