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Lens array manufacturing using a driven diamond tool on an ultra precision lathe

: Scheiding, S.; Steinkopf, R.; Kolbmüller, A.; Risse, S.; Eberhardt, R.; Tünnermann, A.

European Society for Precision Engineering and Nanotechnology -EUSPEN-:
EUSPEN 2009, 9th International Conference of the European Society for Precision Engineering & Nanotechnology. Proceedings. Vol.2 : 2nd-5th June 2009, San Sebastian, Spain
Bedford: Euspen, 2009
ISBN: 978-0-9553082-6-0
European Society for Precision Engineering and Nanotechnology (International Conference) <9, 2009, San Sebastian>
Conference Paper
Fraunhofer IOF ()

The integration of a high spced spindic onto an Ultra Precision (UP) lathe gives the ability to manufacture aspheric lens arrays with high form accuracy, bw roughness and a precise pitch control in diamond machinable metal alloys, crystals and plastic substrates. The machine kinematics of the precision lathe with two linear and one rotary axis has a major impact 011 the NC-code generation and the tool setting process. The present paper illustrates the general set-up and the tool path generation in detail. The achieved form accuracy and surface roughness of the lens arrays are shown and discussed.