Manufacturing Technology 2019, 19(4):563-572 | DOI: 10.21062/ujep/335.2019/a/1213-2489/MT/19/4/563

Assessment of Surface Structure of Machined Surfaces

David Dobrocký, Zbyněk Studený, Zdeněk Pokorný, Zdeněk Joska, Petr Faltejsek
Department of Mechanical Engineering, Faculty of Military Technology, University of Defence in Brno, Kounicova 65, 602 00 Brno, Czech Republic

This paper deals with basic methodology of surface evaluation of functional surfaces, which were prepared by various machining methods (turning, milling and grinding). Here are the basic 2D (profile) parameters and 3D (spatial) parameters and their properties in relation to the machined surface. Parameters of machined surfaces were obtained by CCI Lite Coherence Correlation Interferometer from Taylor Hobson and evaluated using the TalyMap Platinum software. The article further demonstrates the inappropriateness of the surface structure assessment with only the parameter Ra (mean arithmetic deviation of the profile), which is the most common method in technical practice. This methodology extends the possibilities of a comprehensive assessment of exposed surfaces of machine parts.

Keywords: Surface, structure, microgeometry, profile parameters, machining
Grants and funding:

Specific research project 2018 “SV18-216” at the Department of Mechanical Engineering, University of Defence in Brno and the Project for the Development of the Organization “DZRO K 201”.

Published: August 1, 2019  Show citation

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Dobrocký D, Studený Z, Pokorný Z, Joska Z, Faltejsek P. Assessment of Surface Structure of Machined Surfaces. Manufacturing Technology. 2019;19(4):563-572. doi: 10.21062/ujep/335.2019/a/1213-2489/MT/19/4/563.
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