A new tool path for optical freeform surface fast tool servo diamond turning. (December 2014)

• Record Type: Journal Article
• Authors: Liu, Qiang; Zhou, Xiaoqin; Xu, Pengzi
• Is Part Of: Proceedings of the Institution of Mechanical Engineers. Volume 228:Number 12(2014:Dec.)
• Page Start: 1721
• Page End: 1726
• Publication Date: 2014-12
• Subjects: Fat tool servo -- optical freeform surface -- changing feed-rate tool path; Mechanical engineering -- Periodicals; Engineering -- Management -- Periodicals; Manufacturing processes -- Periodicals; 629.8
• DOI: 10.1177/0954405414523595
• Languages: English
• ISSNs: 0954-4054

Abstract

Fast tool servo–assisted ultra-precision diamond turning has been extensively regarded to be a very promising technology for the fabrication of optical freeform surfaces, and micro- and nano-structured surfaces with high efficiency and high surface quality. This article describes a changing feed-rate tool path which can adjust the tool position arbitrarily both in the x-direction and z-direction to obtain homogenous surfaces. Meanwhile, it can improve machining efficiency, save cutting parameters calculation time, and avoid over-cutting at workpiece center. Cutting experiment is carried out to implement the new tool path.