Digital measuring closes gap in QA process

The new ZEISS O-SELECT optical measuring system closes these gaps in the quality assurance process. Thanks to its high level of automation and ease of use, 2D measurements can be completed quickly and reproducibly.

"Quickly and reliably obtaining ISO-compliant, traceable and reproducible measured values was a key aspect for us in Product Development," says Andrzej Grzesiak, Head of Metrology Systems at ZEISS. The result is an optical measuring system that is automated during the generation of measuring programs and the measurement itself. Measurements are initiated at the push of a button: the operator places the workpiece in the measuring field and launches the program. Within seconds, the camera captures the contours, analyzes all characteristics and documents them in ZEISS PiWeb quality data management software.

This measuring system is ZEISS' solution for a wide range of industries – from automotive to electronics to plastics. ZEISS O-SELECT is particularly suitable for checking the dimensional accuracy of distances, radii or angles. Examples include punched and formed parts, injection-molded and laser-cut workpieces. 

Avoid mistakes, ensure quality

Factors such as depth of focus and illumination play a key role in optical measurements. Operators can cause systematic measurement errors without noticing them simply by selecting the wrong settings. The consequences of an inaccurate configuration can result in deviations of several micrometers, in depth of focus for example. ZEISS O-SELECT automatically eliminates blurriness at the edges even if the operator cannot see it. The ZEISS measuring system automatically selects the right distance of the camera to the object, focuses the workpiece edges and maximizes contrast. Furthermore, the measuring machine calculates the illumination intensity that can vary from workpiece to workpiece. "Implementing and automating the complex interaction between optics and illumination make a measurement traceable, reproducible and therefore reliable," says Grzesiak. Users also no longer have to waste time searching directories for the right program. ZEISS O-SELECT compares existing programs with the current workpiece and then reliably opens the right program. The measuring system automatically detects the location of the part, manual alignment is no longer required.

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