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The paper presents numerical research of burnishing process of the steel tubes. Burnishing broaching process is a technology of surface plastic forming of machine parts. Processing tools are hard with smooth surface. Burnishing tools are balls, rolls, and dinks. Burnished can be flat surface and cylindrical shape. In cylindrical shape can be burnished outer and inner surface. The internal surfaces of the tubular elements are treated among others by burnishing broaching. Because of the type of the force can be divided into static and dynamic burnishing. Due to the kinematics can be divided into sliding and roller burnishing. Occurrence of moving parts in direct contact with the material qualifies for the group process of burnishing rolling. The sliding burnishing design element property is part of the work surface burnished permanently attached to the handle. Burnishing is used as a finishing strengthens and smoothness, can be realized on the universal machine tools and machining centers, effectively replaces the machining operations such as grinding, reaming, honing and lapping. Theoretical analysis of the burnishing carried out in numerically. For the calculations used commercial package Forge ® based on the finite element method. Computer simulations were carried out at the Institute of Plastic Forming Processes and Safety Engineering, Faculty of Production Engineering and Materials Technology, Technical University of Czestochowa. The paper presents effect of burnishing broaching process on the state strain of the steel tubes.
Keywords: surface plastic forming, burnishing broaching process, steel tubes© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.