Infrared and Laser Engineering, Volume. 49, Issue 7, 20200212(2020)
Removal of the single point diamond turning marks by spiral sine trace bonnet polishing process
Figures & Tables(11)
Fig. 1. Effect of polishing direction on rate of surface improvement
Table 1. SPDT parameters for the samples
View tableView in ArticleTable 1. SPDT parameters for the samples
Turning parameters Value Tool nose radius/mm 1.457 Spindle speed/r·m-1 1500 Feed rate/mm·min-1 10 Cut depth/μm 2
Table 2. Bonnet polishing parameters
View tableView in ArticleTable 2. Bonnet polishing parameters
Bonnet polishing parameters Value Bonnet radius R /mm20 Spindle speed ωt /r·m-11 200 Polishing pressure P /bar0.5 Polishing angle α /5 Polishing depth d /mm0.2
Table 3. Parameters of different polishing trace
View tableView in ArticleTable 3. Parameters of different polishing trace
Sprial +sine Raster Sprial P =1.692 mmSpace ( SP )0.4 mm Workpiece rotating speed ( ωp ) 200 r·m-1S =5.64 mmA =0.846 mmFeed rate ( F ) 100 mm/minFeed rate ( F ) 100 mm/minFeed rate ( F ) 4.99 mm/min
Table 4. Parameters of aspheric test mirror
View tableView in ArticleTable 4. Parameters of aspheric test mirror
R 0K A 2A 4A 6684.4 0 0 –6.24E–08 –3.266E–13
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Peng Wang, Hao Zhang, Yapeng Jia, Kun Yang, Weihao Li. Removal of the single point diamond turning marks by spiral sine trace bonnet polishing process[J]. Infrared and Laser Engineering, 2020, 49(7): 20200212
Paper Information
Category: Optical fabricaion
Received: Apr. 5, 2020
Accepted: --
Published Online: Aug. 19, 2020
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