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Vision Engineering is launching its Falcon CNC three-axis video measuring system, which features glass-scale linear encoders and Quadra-Chek Metrology DROs from Heidenhain.

Complementing a range of video measuring systems used in research and development, QA departments and on shop floors in manufacturing companies, the Falcon CNC offers automated operation over its 150mm by 150mm (X, Y) measuring stage.

According to Vision Engineering’s group metrology manager, Jonathan Tate, it is this automated capability – coupled with features such as iris control for controlling depth of field – which allows the Falcon CNC to provide accurate video measurement of component parts.

Based in Woking, Surrey, Vision Engineering has specialised in the design and manufacture of optical inspection, manipulation and measurement equipment since its establishment in 1958.

The Falcon CNC uses glass-scale linear encoders and Quadra-Chek Metrology DROs from Heidenhain.

Vision Engineering incorporates a trio of Heidenhain Metrology DRO products throughout its non-contact portfolio – as well as the linear encoders that have resolutions upwards from 0.5 micron.

These include: the ND 1200 with 5.7in screen – for 2D geometry, programming of features and parts, the Measure Magic feature for automatic recognition of geometries, graphic display of measurement results and entry of tolerances; the ND 1300 with 8.4in touch-sensitive colour screen – for 2D geometry, programming of features and parts, the Measure Magic feature for automatic recognition of features, graphic display of measurement results and entry of tolerances; and the IK 5000, which operates via PC screen – for 2/3D geometry – offering the same capabilities as ND 1300 plus data management and integrated image processing.

‘The way in which the Heidenhain system deals with non-linear error correction was a main factor in its selection,’ said Tate.

‘By adopting a straightforward approach to using compensation algorithms to factor out inherent inaccuracies in the measuring stage, it is very easy for us to recalibrate the equipment,’ he added.

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