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Verifying surface quality and dimensional accuracy

Posted on 06 May 2024 and read 481 times
Verifying surface quality and dimensional accuracyVerifying the surface quality and dimensional accuracy of small features on large components can be a challenging task. While coordinate measuring machines (CMMs) excel at measuring dimensional positions, assessing the 3-D form and surface finish of intricate features poses a greater challenge.

To tackle this, optical 3-D measurement systems offer a viable solution. These systems can capture both the form and finish of a surface using a single sensor, particularly those based on Focus Variation technology. However, when the component exceeds the size limitations of such instruments, alternative solutions become necessary.

One such solution is the cobot-based measurement system developed by Bruker Alicona. This system combines a collaborative six-axis robot from Universal Robots with the robust optical 3-D measurement IF-SensorR25 from Bruker Alicona. The IF-SensorR25 provides high-resolution, traceable, and repeatable measurements using the Focus Variation principle. With a vertical travel range of 26mm and motorised functionality, the sensor incorporates a built-in LED travel ring light with 24 segmented LEDs. These collaborative systems are adaptable to various measurement tasks and applications.

Programming, measuring, and managing pre-defined measurement programs require minimal prior knowledge of metrology. Bruker Alicona offers several versions of cobots tailored for specific tasks such as measuring discs, blisks, turbine casings, and a Compact Cobot designed for universal industrial quality assurance.

These innovative products are available in the UK through Market Harborough-based Optimax Imaging and Inspection, facilitating advanced surface quality and dimensional accuracy verification for large components with small features.