Journal
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
Volume 213, Issue 12, Pages 2339-2349Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2013.07.008
Keywords
Tool condition monitoring; Turning; Voronoi tessellation; Texture analysis; Cutting tool wear
Funding
- Steel Technology Centre, Indian Institute of Technology, Kharagpur
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Tool condition monitoring by machine vision approach has been gaining popularity day by day since it is a low cost and flexible method. In this paper, a tool condition monitoring technique by analysing turned surface images has been presented. The aim of this work is to apply an image texture analysis technique on turned surface images for quantitative assessment of cutting tool flank wear, progressively. A novel method by the concept of Voronoi tessellation has been applied in this study to analyse the surface texture of machined surface after the creation of Voronoi diagram. Two texture features, namely, number of polygons with zero cross moment and total void area of Voronoi diagram of machined surface images have been extracted. A correlation study between measured flank wear and extracted texture features has been done for depicting the tool flank wear. It has been found that number of polygons with zero cross moment has better linear relationship with tool flank wear than that of total void area. (C) 2013 Elsevier B.V. All rights reserved.
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