Diameter - radial/axial runout - measurement at disk motors

The production of disk motors has to meet the highest mechanical accuracy requirements. In order to ensure perfect functioning of the disk drives the drive units are measured and evaluated with respect to diameter, true running, and axial running. Since production specifications of < 5 μm have to be measured under nominal speed, a decision has been made to use the fast and high-resolution capaNCDT system. In this measurement two sensors with measurement range50 μm that are adapted to the flange geometry are of special importance.

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