Tool path generation for ultra-precision machining of free-form surfaces |
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Authors: | E Brinksmeier O Riemer J Osmer |
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Affiliation: | 1. LFM, Laboratory for Precision Machining, Badgasteiner Stra?e 2, 28359, Bremen, Germany
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Abstract: | The generation of tool paths for ultra-precision machining is still a limiting factor in the manufacturing of parts with complex
optical surfaces. In conventional machining as well as in complex five axes machining the application of CAD- and CAM-software
for the generation of tool paths is state of the art. But these software solutions are not able to generate tool paths according
to the high requirements of ultra-precision machining. This paper describes possible ways to generate tool paths for ultra-precision
machining when the optical surface can be analytically described or when the surface data is derived from optical design software.
Ultra-precision milling experiments with different tool paths have been carried out and the quality of the machined geometry
has been evaluated concerning the achievable form accuracy. |
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Keywords: | Production process Ultra-precision machining Tool path generation |
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