Features of the calibration of the contourograph and typical mistakes of students in preparation for the demo exam in the competence “Digital metrology”

K.V. Epifantsev, N.Yu. Efremov

St. Petersburg State University of Aerospace Instrumentation, St. Petersburg, Russia

Al’manac of Modern Metrology № 2 (30) 2022, pages 117–126

Abstract. Nowadays, the demo exam is becoming a frequently used way to additionally test the knowledge of students in universities. However, due to a lack of time for preparation, and sometimes inattention, students make a number of important mistakes when calibrating and measuring a part on such an important equipment as a contourograph. The article describes the process of calibrating the device, its settings, and also highlights the typical mistakes of students at each stage.

Keywords: contour measurement, demo exam, contourograph calibration, contour stitching, equipment setup.

Full texts of articles are available only in Russian in printed issues of the magazine.