Micro and nano machining mechanics
To conduct basic research to investigate the cutting mechanics and micro/nano surface generation mechanisms of ultra-precision machining technology with machining accuracy at the sub-micrometre level and surface roughness at the nanometre level. Theoretical modelling and analysis are carried out to gain better scientific understanding of the basic theory and working principles underlying the cutting processes and material removal mechanisms in ultra-precision machining which provides an important means for the prediction and optimization of surface quality in the ultra-precision machining of various types of materials. Moreover, research is being done on the working principles of the ultra-precision machine, in particular regarding the introduction of auxiliary machining equipment such as tool servo mechanisms, ultrasonic vibration, magnetic fields or laser energy to assist ultra-precision machining. It is vital to conduct theoretical analysis of the working principle, cutting mechanics and material removal mechanisms for auxiliary machining equipment.
Research Direction 1
Advanced ultra-precision machining technologies and processes
To research new theories, new processes and new technologies in ultra-precision machining, and conduct process and technical analysis for new requirements and new challenges in scientific research and industrial development, including selecting specific cutting strategies for different workpiece materials and different surface topography requirements, including tolerance analysis, tool path generation and error compensation, using self-developed machining technology or machining technology reported by peers, and to conduct technological research on difficult-to-machine materials or complex 3D surfaces so as to formulate effective cutting strategies and cutting techniques.
Research Direction 2
Freeform surface metrology
The success of ultra-precision machining technology relies heavily on the associated technologies for precision metrology and freeform surface measurement to validate the quality of the surfaces being machined with sub-micrometre form accuracy and surface finish in the nanometre range. The SKL-UPMT conducts scientific research on new measurement principles, new methods, new instrumentation for precision metrology and ultra-precision surface measurement in order to advance the measurement science and technology in the characterization of nano-surface generation and measurement of complex freeform and structured surfaces. The Laboratory takes part in international collaborative research programmes with various international metrology institutions to jointly work toward the development of international standards for the measurement and characterization of structured and freeform surfaces.
Research Direction 3
Equipment for ultra-precision machining
To research and develop ultra-precision machining equipment and accessories for specific machining tasks. Although a lot of progress has been made in ultra-precision machining technology, there are still many areas that require further enhancement in ultra-precision machining equipment. With the increase in scientific research and product development needs, the need for improvement or transformation of ultra-precision machining equipment will also increase. The Laboratory can develop equipment accessories and even ultra-precision manufacturing equipment to meet different needs of scientific research as well as production needs related to ultra-precision machining and precision manufacturing.
Research Direction 4
Advanced optics manufacturing and its applications
To conduct interdisciplinary research to develop new applications and new precision manufacturing technology for advanced optics and functional surfaces based on ultra-precision machining technology. Ultra-precision machining technology can directly prototype optical components and functional surfaces, which provides creator capability to realize and verify the technological feasibility of new design and new technologies for the precision manufacturing of advanced optics and functional surfaces. This also facilitates the research and development of precision manufacturing processes for the mass production of optical and functional surface components.
Research Direction 5
