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17 June 2009 Surface quality control in diamond abrasive finishing
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The paper presents a procedure for measuring laser radiation reflection and scattering coefficients of polished surface. A relation between the scattered light intensity and the polished surface roughness is studied. It is demonstrated that colorimetric characteristics of non-metallic materials can be determined from the light scattering and reflection coefficients. This work has demonstrated a possibility of and created prerequisites for the development of an express method for tentative assessment of polished surface roughness. Of interest is the use of the β(Rz) function for the purposes of quality inspection of polished surfaces of natural and synthetic stone and other non-metallic materials. It was established that the most relevant parameter of roughness, which can be defined by the light reflection is Rz. The Dependency of the reflection factor from parameter of roughness Rz was approximated by formula with inaccuracy 5-10%. Inaccuracy of the determination of roughness Rz has formed 1%. It was shown that method of the surface roughness control using the light reflection factor is the most efficient for surfaces with roughness Rz <0.3 microns, typical for finish diamond-abrasive machining.
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Yuriy D. Filatov, Volodymyr I. Sidorko, Olexandr Yu. Filatov, Vasil P. Yaschuk, Uwe Heisel, and Michael Storchak "Surface quality control in diamond abrasive finishing", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 73892O (17 June 2009);

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