ASSESSMENT METHODS FOR WORKPIECE SURFACE MICROGEOMETRY Journal of instrument engineering

DOI 10.17586/0021-3454-2016-59-3-231-236
UDC 381.53.08.519

ASSESSMENT METHODS FOR WORKPIECE SURFACE MICROGEOMETRY

V. M. Medunetskiy
ITMO University, Saint Petersburg, 197101 Russian Federation; Professor

S. D. Vasilkov
Saint Petersburg National research University of Information Technology, Mechanics and Optics; Associate professor

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Abstract. An analysis of standard methods of parts surface microgeometry assessment is carried out. Consideration is given to a new method defined as a nonparametric approach (prof. V. A. Valetov method) based on the use of graphic images of various functions as standards for estimation and control of surface microgeometry. Effectiveness of this approach is confirmed by presented results of experimental studies performed with the use of nonparametric estimation criteria.

Keywords: surface microgeometry, nonparametric estimation criteria, function graph image, ordinates distribution function

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