Journal of Applied Optics, Volume. 43, Issue 3, 518(2022)
Tooling calibration of secondary aspheric workpiece position in magneto-rheological polishing
Figures & Tables(9)
Fig. 4. Experimental verification of aspheric magneto-rheological polishing tooling
Fig. 5. Surface shape accuracy of workpiece before and after magneto-rheological polishing
Table 1. Relationship between
Table 1. Relationship between
序号 $ c $ $L/{\rm_{mm}}$ ${\beta _1}$ $r/{\rm{mm}}$ ${d_1}/{\rm{mm}}$ $a/{\rm{mm}}$ $\Delta {X_2}/{\rm{mm}}$ $\Delta {X_2}/a$ 1 0.0024888 150 15.3106 100 43.9396 1 −0.288 −0.288 0.5 −0.144 −0.288 0.1 −0.0288 −0.288 0.01 −0.00288 −0.288 −1 0.287 −0.287 2 0.002192 150 13.5188 100 51.0252 1 −0.253 −0.253 0.5 −0.126 −0.252 0.1 −0.0252 −0.252 0.01 −0.00252 −0.252 −1 0.252 −0.252 3 0.002641735 150 11.2069 100 26.3737 1 −0.333 −0.333 0.5 −0.166 −0.332 0.1 −0.0332 −0.332 0.01 −0.00332 −0.332 −1 0.332 −0.332
Table 2. Parameters of
Φ 230 mm aspheric mirror
Table 3. Coordinate values of tooling setting position
View tableView in ArticleTable 3. Coordinate values of tooling setting position
点 X/mm Y/mm A/(°) B/(°) 1 −43.939 6 0 0 15.3106 2 43.939 6 0 0 −15.3106 3 0 47.426 0 15.177 9 0 4 0 −47.426 0 −15.177 9 0
Table 4. Offset calculation
View tableView in ArticleTable 4. Offset calculation
方向 调整次数 ${Z_1}/{\rm{mm} }$ ${Z_2}/{\rm{mm}}$ ΔZ/mm $a/{\rm{mm} }$ X 0 −62.637 −62.511 0.126 0.171 1 −62.571 −62.574 0.003 0.004 Y 0 −62.222 −62.134 0.088 0.117 1 −62.179 −62.166 0.013 0.018 2 −62.178 −62.174 0.004 0.005
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Yu ZHANG, Feng ZHANG, Rui GUO, Ying SU, Yunlong ZHANG, Zengqi XU, Fuchao WANG. Tooling calibration of secondary aspheric workpiece position in magneto-rheological polishing[J]. Journal of Applied Optics, 2022, 43(3): 518
Paper Information
Category: OPTICAL ELEMENT AND FABRICATION
Received: Nov. 18, 2021
Accepted: --
Published Online: Jun. 7, 2022
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