a novel surface quality evaluation method in ultra-precision raster milling using cutting chips论文.pdf
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Journal of Materials Processing Technology 219 (2015) 328–338
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Journal of Materials Processing Technology
j o u r n a l h o m e p a g e : w w w. elsev /locate/jmat protec
A novel surface quality evaluation method in ultra-precision
raster milling using cutting chips
Guoqing Zhang a , Suet To a,b,∗
a State Key Laboratory of Ultra-Precision Machining Technology, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University,
Kowloon, Hong Kong
b Shenzhen Research Institute of The Hong Kong Polytechnic University, Shenzhen, PR China
a r t i c l e i n f o a b s t r a c t
Article history: Although online surface quality evaluation is important in ultra-precision machining technologies, very
Received 25 January 2014 little research has been reported on the topic. In this paper, cutting chips were employed to evaluate
Received in revised form 7 August 2014 machined surface quality online under the occurrence of tool wear in ultra-precision raster milling.
Accepted 12 October 2014
Cutting chips were collected and examined by a 3D scanning electron microscope. The inspected cross-
Available online 22 October 2014
sectional shape of ‘ridges’ imprinted by the tool fracture was approximated into two geometric elements
so that it could be determined by a mathematical model. The geometric elements for every ridge were
Keywords:
assembled
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