<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The purpose of this article is to describe the methodology to define coefficient of friction between a tool and a forming material during tube cold draw technology process. In this regard, an experimental drawing process was done by using the tensile testing machine. The tensile testing machine was modified by additional equipment that allows drawing the tube. During the drawing, the force was recorded. Subsequently, the finite element simulation of cold draw forming was used to generate load-stroke curves with different friction coefficient. The friction coefficient was estimated by comparing the load stroke and the force recorded curves.</p></abstract>

The purpose of this article is to describe the methodology to define coefficient of friction between a tool and a forming material during tube cold draw technology process. In this regard, an experimental drawing process was done by using the tensile testing machine. The tensile testing machine was modified by additional equipment that allows drawing the tube. During the drawing, the force was recorded. Subsequently, the finite element simulation of cold draw forming was used to generate load-stroke curves with different friction coefficient. The friction coefficient was estimated by comparing the load stroke and the force recorded curves.

Determination of the Coefficient of Friction Under Cold Tube Drawing Using FEM Simulation and Drawing Force Measurement

Slovak University of Technology in Bratislava

Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The purpose of this article is to describe the methodology to define coefficient of friction between a tool and a forming material during tube cold draw...

Determination of the Coefficient of Friction Under Cold Tube Drawing Using FEM Simulation and Drawing Force Measurement

Published Online: Oct 04, 2018

Page range: 29 - 34

Received: May 02, 2018

Accepted: Jun 29, 2018

DOI: https://doi.org/10.2478/rput-2018-0003

Keywords
Cold forming, friction coefficient, tube drawing, finite element method

© 2018 Martin Necpal et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Determination of the Coefficient of Friction Under Cold Tube Drawing Using FEM Simulation and Drawing Force Measurement

Published Online: Oct 04, 2018

Page range: 29 - 34

Received: May 02, 2018

Accepted: Jun 29, 2018

DOI: https://doi.org/10.2478/rput-2018-0003

KeywordsCold forming, friction coefficient, tube drawing, finite element method

© 2018 Martin Necpal et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Cold forming, friction coefficient, tube drawing, finite element method