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Influence on the ductile behaviour of binderless tungsten carbide applying ultrasonic assisted diamond turning

: Bulla, B.; Klocke, F.; Dambon, O.; Doetz, M.

Leach, R. (Ed.) ; European Society for Precision Engineering and Nanotechnology -EUSPEN-:
13th International Conference of the European Society for Precision Engineering and Nanotechnology 2013. Proceedings. Vol.2 : 27th May to 31st May 2013, Berlin, Germany
Bedford: Euspen, 2013
ISBN: 978-0-9566790-2-4
European Society for Precision Engineering and Nanotechnology (EUSPEN International Conference) <13, 2013, Berlin>
Conference Paper
Fraunhofer IPT ()

For the production of mould inserts for precision glass moulding, the ultra precision grinding technique with a subsequent manual polishing operation is typically applied. These processes are time consuming and have a relatively low reproducibility. An alternative manufacturing technology, with a high predictability and efficiency, which additionally allows a higher geometrical flexibility, is the diamond turning technique. In addition the ultrasonic assisted ultra precision cutting process has already proven its potential for machining difficult-to-cut materials, such as steel and glass. By applying the ultrasonic assistance, the classic constraints of the process can be widened significantly. In this publication the process is applied on binderless, nano crystalline tungsten carbide.