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Design and dynamic optimization of an ultraprecision diamond flycutting machine tool for large KDP crystal machining

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Abstract

This paper presents the design and dynamic optimization of an ultraprecision diamond flycutting machine tool for producing flat half-meter-scale optics. A novel tool holder is designed, which can achieve micron-level axial feeding and tool angle accurate adjustment, and new technology is also used to allow alignment of the spindle axis to the horizontal-slide travel. The design and characteristic analyses of this machine tool are presented, including the static, modal, harmonic, and rotor dynamic analysis for predicting its static and dynamic performance. A prototype is built based on the analysis and FE model considering the joint parameters. The machining test shows that this machine tool can successfully produce 415 × 415-mm surfaces on aluminum and crystalline optics, with 1.3-μm flatness and 2.4-nm rms roughness. Moreover, the differences of design concepts are discussed between the ultraprecision machine tool for optical parts machining and the conventional machine tool.

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Authors and Affiliations

  1. Center for Precision Engineering, Harbin Institute of Technology, Harbin, 150001, Heilongjiang, People’s Republic of China

    Yingchun Liang, Wanqun Chen, Qingshun Bai, Yazhou Sun, Guoda Chen, Qiang Zhang & Yang Sun

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  1. Yingchun Liang
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  2. Wanqun Chen
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  3. Qingshun Bai
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  4. Yazhou Sun
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  5. Guoda Chen
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  6. Qiang Zhang
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  7. Yang Sun
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Correspondence to Wanqun Chen.

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Liang, Y., Chen, W., Bai, Q. et al. Design and dynamic optimization of an ultraprecision diamond flycutting machine tool for large KDP crystal machining. Int J Adv Manuf Technol 69, 237–244 (2013). https://doi.org/10.1007/s00170-013-5020-z

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  • DOI: https://doi.org/10.1007/s00170-013-5020-z

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