Vision

Roundness and straightness measurement with the precision of form testers

Werth Messtechnik

17.05.2022 - The Videocheck multi-sensor device family from Werth Messtechnik has the necessary low length measurement deviations for precise roundness measurements on the coordinate measuring machine thanks to a revised software function.

A high-precision telecentric lens, an air-cushioned rotary axis with an air-cushioned counter tip and a new correction method are intended to achieve minimal measurement deviations in the range of 200 nm for the process-reliable detection of roundness tolerances of up to 2 µm.

To measure the roundness, the image is recorded with RotaryScan HD during the movement of the rotary axis. Measuring points are determined from the images of the various rotational positions, which are then calculated to form a circle. With up to 400 measuring points per second and measuring deviations in the range of 200 nanometers, the accuracy of form measuring devices can be achieved with significantly less measuring time.

Contact

Werth Messtechnik GmbH

Siemensstraße 19
35394 Gießen
Germany

+49 641 7938 0
+49 641 7938 719

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Digital tools or software can ease your life as a photonics professional by either helping you with your system design or during the manufacturing process or when purchasing components. Check out our compilation:

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