期刊
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
卷 103, 期 -, 页码 13-27出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijmachtools.2016.01.001
关键词
Fly cutting; Surface generation; Ultra-precision fly cutting; Ultra-precision raster milling; Ultra-precision machining
资金
- National Natural Science Foundation of China [51405217, 51275434]
- Youth Science Foundation of Jiangxi Province of China [20142BAB216025]
- Jiangxi Educational Committee of China [GJJ4210]
- Research Grants Council of the Hong Kong Special Administrative Region [PolyU 5263/12E]
Fly cutting in ultra-precision machining (UPM), termed ultra-precision fly cutting (UPFC), is an intermittent cutting process in which a diamond tool is mounted with a spindle to intermittently cut a workpiece. The process offers the high flexibility necessary for fabricating freeform, micro/nano-structural surfaces, as well as hybrid structural surfaces with sub-micrometric form error and nanometric surface roughness, and its constant cutting velocity provides uniform high surface quality. However, in addition to its low machining efficiency, UPFC's intermittent cutting process results in distinctive surface generation mechanisms, covering intermittent tool-workpiece relative motion, tool geometry imprinted into a machined surface, and surface material separation and deformation. General factors, such as cutting conditions, tool geometry, material factors (material property change, material swelling and recovery, and material separation mechanism), kinematic and dynamic errors, assembling errors, cutting strategies, tool path, and workpiece geometry, are individual to UPFC and universal in UPM. Accordingly, this paper focuses on the current investigation of fly cutting applied into surface generation in UPM. Conclusions are reached and the challenges and opportunities for further studies are discussed. (C) 2016 Published by Elsevier Ltd.
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