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Hexagon Metrology is to present the CMS106 laser line scanning sensor for non-contact scanning of surfaces and reverse engineering applications at Control 2010.

The CMS106’s capabilities include machined, stamped, forged, casted or painted metals, sand cores, composites and softer materials such as plastics, rubber, clay or wood.

The sensor is compatible with the stationary Global, Alpha, Delta Slant, Lambda and Bravo co-ordinate measuring machines (CMM) from Hexagon Metrology, allowing for fully automated system operation.

Operating by scanned laser triangulation, the CMS106 projects a laser beam on the object and detects the reflection by a CCD camera from which a single measured point is created.

By use of a motorised scanning axis, the laser beam scans across the workpiece creating a line consisting of up to 1,000 points.

The sensor has an independent optical detector, which optimises the laser power in real time according to the reflected signal from the surface.

This means the user does not have to adjust the laser power – the CMS106 adjusts the laser power according to the material or inclination of the surface.

Second, a three-level zoom with selectable laser line lengths of 25, 60 or 120mm allowing users to precisely adjust the measurement resolution to suit the task in hand.

As the sensor traverses across the workpiece mounted on the CMM, the multiple scan lines build up a point cloud made up of thousands of measuring points.

The point cloud can then be compared with a CAD model to reveal deviations from the nominal values.

The sensor is suitable for the measurement of features and free-form surface inspection to CAD as well as for reverse engineering applications.

The CMS106 will be available from the third quarter of 2010.

Hexagon Metrology

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