Effect of the Friction and Reduction Angle on the Accuracy of Cold Drawing Steel Tubes STL Model Based on FEM Analysis

Morovič Ladislav (), Kritikos Michaela (), Sobota Róbert (), Kapustová Mária (), Urminský Ján (), Buranská Eva () and Ridzoň Martin ()
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Morovič Ladislav: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologiesUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Kritikos Michaela: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologiesUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Sobota Róbert: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologiesUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Kapustová Mária: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologiesUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Urminský Ján: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologiesUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Buranská Eva: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Integrated SafetyUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Ridzoň Martin: žp Centre Of Research And Development Ltd., Železiarne Podbrezová A.S., Kolkáreň 35, 976 81 Podbrezová, Slovak Republic

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2020, vol. 28, issue 47, 32-39

Abstract: The object of the study was to create a computer model that resembles the process of cold drawing seamless steel tubes, and evaluate the influence of selected process parameters on selected final dimensions and tolerances of STL models of the tubes obtained from DEFORM simulation software. The STL models of tubes generated from the simulations were evaluated, and the effects of the reduction angle and the friction coefficient on the inner/outer diameter, inner/outer roundness and concentricity were subsequently found. It was proven that the inner and outer diameters are not influenced by different values of the friction coefficient at the same reduction angle. On the other hand, increasing value of the reduction angle affects decrease of the outer and inner diamaters after drawing. Furthermore, this experimental investigation vindicates that friction coefficient and reduction angle have the minimal impact on the inner/outer roundness and outer concentricity.

Keywords: Cold drawing; tube; nib; dimensions; tolerances; simulation; Finite Element Model (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:28:y:2020:i:47:p:32-39:n:4

DOI: 10.2478/rput-2020-0016

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