28 October 2016 Investigation of variable spindle speed in slow tool servo-based turning of noncircular optical components
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Proceedings Volume 9683, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 968304 (2016) https://doi.org/10.1117/12.2242183
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China
Abstract
Ultra-precision noncircular optical components, e.g. hyperbolic quadrupole in mass spectrometer, can be machined by diamond turning assisted by slow tool servo (STS). However, the bandwidth of STS is usually small, which limits the STS's capability in following the required tool path, leading to a large form error. To reduce the form error, this paper proposes an approach to apply variable spindle speed (VSS) to STS-based turning. Design of the VSS trajectory based on the noncircular profile of the optical component was investigated in detail. To validate the proposed approach, simulation on the application of VSS in the STS-based turning process was established and applied to the machining of typical noncircular optical components. Simulation results show that the proposed approach is effective in reducing the requirement on the bandwidth of the STS, resulting in higher form accuracy of the machined noncircular optical components.
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Weihai Huang, Weihai Huang, Deping Yu, Deping Yu, Dongsheng Chen, Dongsheng Chen, Min Zhang, Min Zhang, Jinguang Liu, Jinguang Liu, Jin Yao, Jin Yao, } "Investigation of variable spindle speed in slow tool servo-based turning of noncircular optical components", Proc. SPIE 9683, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 968304 (28 October 2016); doi: 10.1117/12.2242183; https://doi.org/10.1117/12.2242183
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