GOM introduces ATOS 5 for airfoil components

AMNov19News - gom
AMNov19News - gom

GOM has introduced the new ATOS 5 for Airfoil optical measuring machine that is particularly suitable for the inspection of airfoil components like turbine blades, nozzle guide vanes or blisks in the aerospace and power generation industries.

The ATOS 5 for Airfoil expands the ATOS 5 series in the measuring area for small parts. While the all-rounder ATOS 5 successfully performs a wide range of measuring tasks in measuring areas from 170 to 1,000mm in length, the ATOS 5X is particularly effective when used for large surfaces and parts due to its strong, focused light.

With the introduction of a 3D measuring machine particularly designed for small parts with a size of 100 x 70mm2 to 400 x 300mm2, GOM closes the gap in the lower measuring area. At the same time, the ATOS 5 for Airfoil is particularly well-suited for the inspection of turbine components produced for the aerospace industry, such as blades, blisks and air-conducting structures. Their complex-shaped edges and surfaces have been a challenge during 3D digitisation until now. The ATOS 5 for Airfoil sensor also excels during maintenance and repair of nozzle guide vanes. The costs associated with the MRO sector are large, replacing turbine blades can exceed €10,000. Using ATOS technology partnered with techniques such as additive manufacture and adaptive machining can lead to considerable savings.

Along with the introduction of ATOS 5 for Airfoil, GOM offers a corresponding software update. The 2019 releases of ATOS Professional and GOM Inspect Professional feature new modules that, among other things, make it much easier to analyse demanding edge geometries.

All ATOS 5 scanners excel by their high digitising speed and high-precision measuring data. A scan in one measuring position takes only 0.2 seconds. A total of 120 images per second can be triggered. The sensor transmits the data via fibre optic cable. This means, that a turbine blade is completely digitised in 3 minutes, a complete blisk in about an hour. The resulting point cloud can directly be compared in the GOM software using a surface comparison with the CAD model or data from previous measurements. Within minimum time, an easily understandable overview of the dimensional accuracy of the just produced, maintained or repaired part is created. Due to their robust design with protected optics, encapsulated electronics and a self-monitoring sensor, the measuring systems are also ideal for use in harsh industrial environments.

All sensors of the ATOS product range operate according to the Triple Scan Principle. They project precise fringe patterns onto the surface of an object which are recorded by two cameras based on the stereo camera principle. As the beam paths of both cameras and the projector are calibrated in advance, 3D surface points from three different ray intersections can be computed. The result, even with reflective surfaces and complex-shaped objects with complicated undercuts, is a mesh of complete measuring data without holes or faulty points. Since the sensors work with narrow-band blue light, interfering ambient light can be filtered during image acquisition.





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