High Power Laser and Particle Beams, Volume. 32, Issue 3, 032005(2020)
Research on influence of cutting parameters on frequency characteristics of KDP surface topography
Figures & Tables(12)
Fig. 1. Crystal surface and contour at different cutting depth measured by a white light interferometer
Fig. 2. Crystal surface and contour at different feed rate measured by a white light interferometer
Fig. 3. Crystal surface and contour at different spindle speed measured by a white light interferometer
Fig. 7. Comparison of surface profile and actual frequency characteristics at different depth of cut
Fig. 8. Comparison of surface profile and actual frequency characteristics at different feed rate
Fig. 9. Comparison of surface profile and actual frequency characteristics at different spindle speed
Table 1. Parameters of diamond turning tool
View tableView in ArticleTable 1. Parameters of diamond turning tool
nose radius r /mmedge radius r n/nmrake angle γ 0/(°)clearance angle α 0/(°)3.2 150 0 9
Table 2. Cutting parameters and RMS of contour
View tableView in ArticleTable 2. Cutting parameters and RMS of contour
No.（group） spindle speed n /(r/min)feed rate f /(μm/r)depth of cut a p/μmRMS of contour R q /nm1 400 10 3 17 6 35 9 37 2 300 8 3 15 12 24 18 27 3 500 10 5 25 400 24 300 26
Table 3. Scale a and its parameters of calculations
View tableView in ArticleTable 3. Scale a and its parameters of calculations
frequency f /μm−1size L /μmnumber N waviness central frequency f smexihat central frequency f csampling period Δ scale a low 0.005 6 360 256 0.015 8 0.25 1.412 11.209 3 0.008 4 0.023 7 7.472 9 mid 0.011 2 0.031 2 5.674 8 0.013 8 0.038 8 4.563 2 high 0.027 7 0.077 9 2.272 8
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Liangjie Kuang, Qilong Pang, Mingjun Chen, Luqiang Ma, Youlin Xu. Research on influence of cutting parameters on frequency characteristics of KDP surface topography[J]. High Power Laser and Particle Beams, 2020, 32(3): 032005
Paper Information
Received: Jul. 10, 2019
Accepted: --
Published Online: Mar. 19, 2020
The Author Email: Pang Qilong (qlpang@njfu.edu.cn)
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