Micro surface phenomenon of ductile cutting in the ultrasonic vibration cutting of optical plastics

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Mirror-surface machining is a very important technology in the manufacturing of precision parts, especially optical parts. At the present time these are parts produced by multi-processes, i.e. grinding and polishing, which are inefficient. In this study, ultrasonic vibration cutting as a substitute for such processes in the precision machining of optical plastics (CR-39) which have been used for optical lenses is suggested and experimented upon. To analyze the characteristics of surfaces machined by ultrasonic vibration cutting in the ductile mode, wavelength spectrum analysis is carried out and the micro-structure is compared with that of conventional cutting. As a result, in micro cutting by ultrasonic vibration, it was confirmed that surfaces of ductile cutting are obtained, for depths of cut of less than 2.7 mu m. (C) 1997 Elsevier Science S.A.
Publisher
ELSEVIER SCIENCE SA
Issue Date
1997
Language
English
Article Type
Article
Citation

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, v.68, pp.89 - 98

ISSN
0924-0136
DOI
10.1016/S0924-0136(96)02546-0
URI
http://hdl.handle.net/10203/72257
Appears in Collection
ME-Journal Papers(저널논문)
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