MICRO METROLOGY | CASE STUDY
<< Figure 3: Radius vs. elliptic form. Application work of Alicona has shown that the true edge is rather elliptic than an ideal radius. With a vertical resolution down to 10 nm InfiniteFocus enables a fit of elliptic shapes into the edge region, leading to a more detailed reproduction of its geometry. >>
<< Figure 4: 3D measurement of complex geometries. When testing various measurement systems, OTEC focused on high measurement accuracy when measuring radii below 10 µm, ease of use, suitability for a wide range of materials, accurate measurement of highly polished components, and a clear documentation of measurement results. >>
3D measurement of form and roughness With InfiniteFocus, Alicona offers a high resolution, optical 3D measurement system for quality assurance of micro structured components including complex geometries. As it is with the entire product range of Alicona, the system combines both the functionalities of a surface measurement system and a micro coordinate measurement machine. For a user, this means to measure roughness and form of a component with only one system. Even when measuring complex shapes across large measurement areas, users achieve a vertical resolution of up to 10 nm.
“In addition to the high
measurement quality, we appreciate Alicona as a
very user-oriented supplier. The intuitive handling of the systems clearly shows an in depth understanding of the users requirements. In our
opinion, there is currently no better way to do it.”
Soran Jota, OTEC General Manager about Alicona
In addition to tool measurement, Alicona systems are used to measure micro components and micro structured surfaces in the automotive industry, aerospace industry, medical technology or micro die casting. High resolution and a high scanning range enable the measurement of also complex geometries with e.g. steep flanks and components with highly varying reflective properties. Small radii and angles are measured even across large measurement volumes in constant high vertical resolution. In tool industry, typical applications are the cutting edge measurement of drills, milling cutters etc. Measurements include automatic deviation to target geometry including CAD-data, customised reports and GD&T measurements. In combination with accordant accessories and grips, users also perform full form measurement of tools. Single measurements from various directions are automatically reassembled into a complete 3D data set. This way users also measure complex contours and surfaces that can hardly be measured optically in the conventional way.
User oriented product range Globally, users of Alicona measurement solutions confirm that they benefit form high usability and intuitive handling of the systems. This is also acknowledged by OTEC: “In addition to the high measurement quality, we appreciate Alicona as a very user-oriented supplier. The intuitive handling of the systems clearly shows an in depth understanding of the users requirements. In our opinion, there is currently no better way to do it,” says the global supplier of drag finishing machines. Next to InfiniteFocus, the Alicona product range includes various other high resolution measurement systems, e.g. InfiniteFocusSL with high measurement speed, the IF- EdgeMaster for advanced 3D cutting edge measurement also in production or the IF-Profiler, a 3D profilometer to measure surface finish both profile and areal based.
OTEC PRÄZISIONSFINISH GmbH
www.otec-online.com
ALICONA
www.alicona.com
36 | commercial micro manufacturing international Vol 6 No.6
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