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Shape Measurement - New optical shape measurements for laser manufacturing applications

Nick Weston, Manager of Renishaw Edinburgh stated “Renishaw would not have been able to get so far in our research without the interaction and research knowledge of the James Watt Institute and it has given us a three year head start on our development.”

Renishaw is a world leader in metrology and spectroscopy, with research, development, manufacturing, sales and service operations in more than 30 countries.

The company believes that success comes from patented and innovative products and processes, high quality manufacturing, and the ability to provide local customer support in all of its markets around the globe.

Committed to sustained growth through continued investment in product development and manufacturing methods, Renishaw, wants to be recognised as world leaders in their field and to engage with leading research institutions to develop new product ranges and to address new markets.

Renishaw wanted to investigate optical methods for free-form shape and surface quality measurement that are compatible with coordinate measuring machine (CMM) technology. The ultimate goal was to devise methods suitable for a CMM-mounted optical probe that measures a free-form surface whilst maintaining the intrinsic accuracy of both mechanical and optical systems.

Working closely with Renishaw, Heriot-Watt University’s Prof Andrew Moore and researchers Jesus Valera and Yvonne Huddart at the James Watt Institute for High-Value Manufacturing investigated non-contact optical techniques comprising compact fringe projection and photogrammetry compatible with CMM technology.

The project successfully provided Renishaw with a laboratory prototype of a new optical probe with verified operating principles. The prototype is the first demonstration of the methods integrating optical fringe projection and photogrammetry with CMM technology.

Three patents have been filed by Renishaw on the mode of operation of the optical probe and its extension to CMM. Clearly pleased with this result, Renishaw is actively developing two new commercial products and two further products are under discussion.

For more information contact:

Andrew Moore
0131 451 8068
Designed by Evolution Design