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Renishaw BallBar Testing

The Renishaw QC10 Ballbar and its software are used to measure geometric errors present in a CNC machine tool and detect inaccuracies induced by its controller and servo drive systems.

Errors are measured by instructing the machine tool to 'Perform a Ballbar Test' which will instruct it to scribe a circular arc or circle. Small deviations in the radius of this movement are measured by a transducer and captured by the software.

The resultant data is then plotted on the screen, to reveal how well the machine performed the test.

Laser Calibration

Geometrical alignments

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