Topic：Research in Ultra-precision Machining and Freeform Surface Measurement

Reporter：Prof. Benny Cheung

Time：9：00 am 19^th August 2015

Location：the fifth western building A420（the first conference room）

Introduction ：Ultra-precision freeform surfaces are complex surfaces that possess non-rotational symmetry and are widely used in various industrial applications. Due to the geometrical complexity of the ultra-precision freeform surfaces, this imposes a lot of research challenges in the fabrication and measurement of those surfaces. In this presentation, the speaker would like to share his research work and experience related to ultra-precision machining and freeform surface measurement which has being undertaken in the Partner State Key Laboratory of Ultraprecision Machining Technology at The Hong Kong Polytechnic University. Some examples of applications of the technologies in freeform optics are also discussed.

The introduction of Prof. Benny Cheung

Prof. Benny Cheung is a Professor and an Associate Director of the Partner State Key Laboratory of Ultra-precision Machining Technology in Department of Industrial and Systems Engineering at The Hong Kong Polytechnic University. Currently, he is a Distinguish Professor in Guangdong University of Technology and an Adjunct Professor in Changchun University of Science and Technology. He is also a board member of the Asian Society for Precision Engineering and Nanotechnology (ASPEN). His research interests in precision engineering include ultra-precision machining, precision metrology, advanced optics manufacturing, etc. He has authored and co-authored three Research Monographs, three Edited Books and more than 110 Science Citation Indexed (SCI)/Social Science Citation Indexed (SSCI) refereed journal papers. He has received numerous research awards including the Joseph Whitworth Prize from the Manufacturing Industrial Division of The Institution of Mechanical Engineers (IMechE),UK, etc. Moreover, he has been invited to deliver keynote speeches and talks, and served as programme chairman, committee member and session chair in various international conferences.