Research on influence of cutting parameters on frequency characteristics of KDP surface topography

Kuang Liangjie; Pang Qilong; Chen Mingjun; Ma Luqiang; Xu Youlin

doi:10.11884/HPLPB202032.190262

Volume 32 Issue 3

Feb. 2020

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Article Navigation > High Power Laser and Particle Beams > 2020 > 32(3): 032005

Kuang Liangjie, Pang Qilong, Chen Mingjun, et al. Research on influence of cutting parameters on frequency characteristics of KDP surface topography[J]. High Power Laser and Particle Beams, 2020, 32: 032005. doi: 10.11884/HPLPB202032.190262

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Kuang Liangjie, Pang Qilong, Chen Mingjun, et al. Research on influence of cutting parameters on frequency characteristics of KDP surface topography[J]. High Power Laser and Particle Beams, 2020, 32: 032005. doi: 10.11884/HPLPB202032.190262

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Research on influence of cutting parameters on frequency characteristics of KDP surface topography

doi: 10.11884/HPLPB202032.190262

1.
College of Mechatronics Engineering, Nanjing Forestry University, Nanjing 210037, China
2.
Center for Precision Engineering, Harbin Institute of Technology, Harbin 150001, China

Received Date: 2019-07-10
Rev Recd Date: 2019-12-17
Publish Date: 2020-02-10

Abstract

Abstract

The influence of cutting parameters on the frequency characteristics of optical crystal surface has been studied. The experiment of single point diamond turning was adopted to process KDP crystal. The frequency distribution of surface profile was obtained by power spectral density. The continuous wavelet method was used to evaluate the influence of cutting depth, feed rate and spindle speed on machined surface. The results show that the frequency characteristics reflect the effects of cutting parameters on surface topography. The wavelength and amplitude of mid frequency embody the change of cutting depth and spindle speed, and the amplitude increases with the increase of cutting depth and speed. Low frequency reflects the change of feed rate, and the amplitude becomes small as feed rate decreases. High frequency is the manifestation of vibration and material anisotropy in processing. Therefore the analysis of frequency characteristics on surface topography provides a reference for selecting the optimal process parameters.
- frequency characteristics,
- surface topography,
- cutting parameters,
- power spectrum density (PSD),
- continuous wavelet transform (CWT)

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References(23)

References

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