About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
|
| Presentation Title |
Untitled |
| Author(s) |
Zisheng Li, Xiaoping Xiao |
| On-Site Speaker (Planned) |
|
| Abstract Scope |
Magnetorheological finishing (MRF) is prone to fringe effects, reducing optical elements' effective aperture and imaging quality. To achieve high-precision manufacturing and full-band error convergence for large aperture optics, a dwell time compensation method based on edge removal function reconstruction is proposed. Simulation shows compensated surface shape predictions with PV=0.0878λ and RMS=0.0021λ, with uniform residual distribution and no edge effects. Experiments on a 100 mm×100 mm aperture optical element yielded PV=0.093λ and RMS=0.006λ post-polishing, with no edge effects and a 14.6% increase in effective aperture. The method proves stable, reliable, and effective in suppressing MRF edge effects. |