Fractal Analysis of Grain Cutting Edge Wear in Superabrasive Grinding
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概要
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This paper deals with a fractal analysis of the wear behavior of the grain cutting edges in superabrasive grinding. Fundamental overcut fly grinding experiments for producing individual straight grooves using a grinding tool with multiple grits are carried out to clarify the wear characteristics of the grain cutting edges in the grinding process and then the change in three-dimensional profile of the cutting edge measured with a multiprobe SEM is evaluated on the basis of fractal analysis. The main results are summarized as follows: (1) Fractal dimension for the contour line of the fine cutting edge formed by micro fracture shows a higher value than that of cutting edge formed by attritious wear or large fracture. (2) Fractal dimension for cBN grain cutting edge mainly formed by micro fracture tends to take a higher value than that for diamond grain cutting edge mainly formed by attritious wear. (3) The complex change in shape of the cutting edge with the progress of grinding process can be quantitatively evaluated by means of fractal analysis.
著者
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Fujimoto Masakazu
Graduate School Of Engineering Utsunomiya University
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ICHIDA Yoshio
Department of Mechanical Systems Engineering, Utsunomiya University
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SATO Ryunosuke
Department of Mechanical Systems Engineering, Utsunomiya University
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Ichida Yoshio
Department Of Mechanical And Intelligent Engineering Graduate School Of Engineering Utsunomiya Unive
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Sato Ryunosuke
Department Of Mechanical Systems Engineering Utsunomiya University
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Fujimoto Masakazu
Graduate School of Engineering, Utsunomiya University
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TANAKA Hiromichi
Graduate School of Engineering, Utsunomiya University
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