Fundamentals of adaptive strategy of cylindricity measurements with the use of longitudinal measurements

Abstract

The paper addresses the problem of adaptive strategy of measurements of rotary parts. The authors propose a novel strategy that consists of two stages: a preliminary measurement and additional measurements. During the preliminary measurement, an investigated area is scanned in three equally distant longitudinal sections. Then, the correlation coefficient between the profiles in neighbouring sections is calculated. If the value of the coefficient is lower than the assumed critical value, then additional measurements between the -sections are performed until the value of the correlation coefficient exceeds the assumed critical value. Authors have developed a set of procedures in Wolfram Mathematica to investigate their concept. The paper presents the fundamentals of the method and selected results of its practical verification. Experimental results show capability of the new method to measurement of form deviations of cylindrical parts.

Keywords

• Form deviation
• Cylindricity
• Measurements of geometrical quantities