ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 60 / SEPTEMBER, 2017
Article
UDC 62.531.7

IMITATION MODELING OF ASSEMBLING OF SCREW PAIRS OF MACHINE-BUILDING COMPONENTS BASED ON COMPUTER TOMOGRAPHY DATA

S. V. Kosarevsky
Petersburg State Polytechnical University, Institute of Machine-Building, Department of Technology, Equipment, and Automation of Machine-Building Works;


V. N. Latypov
Petersburg State University;


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Abstract. The generalized Hough transform is applied for derivation of geometric primitives (helicoids) from 3D distribution of screw pair density obtained with computer tomographic system. Transformation of the density field into 3D image and subsequent imitation modeling is carried out with the use of marching cubes algorithm method. The initial data for various screws thread are derived with the use of the Carl Zeiss Metrotom 1500 CT scanner.
Keywords: computer tomography, screw thread, modeling