Potential and Challenges of Combined Roller and Plain Bearings for Servo Presses

Abstract:

In order to provide higher accuracy and an increased life time for bearings in kinematic drives of servo-driven stroke controlled presses this article presents a combination of a roller and a plain bearing. With an example of the 3D-Servo-Press, the applied design is illustrated and the advantages are discussed. A technological solution is presented which enables a specific pretension for each individual bearing according to its tribological requirements. Using a developed matlab-programme the behaviour of a conventional plain bearing is opposed to the new bearing combination by its illustrated displacement paths of the shaft in the bearing shell under certain conditions of a common balancer system. The feasibility of this initial tension system is shown by means of a bearing prototype. Finally measurement results of a prototype will be shown which proof the manufacturability of the presented bearing combination.

• Periodical: Advanced Materials Research (Volume 769)
• Pages: 285-292
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.769.285
• Online since: September 2013
• Authors: Matthias Scheitza, Sebastian O. Schmitt, Stefan Emde
• Keywords: Bearing, Press, Uncertainty

References

[1] M. Weck, C. Brecher, Werkzeugmaschinen – Konstruktion und Berechnung, 8. ed., Springer Verlag, Berlin, 2006, (in German).

[2] K. Osakada, Application of Servo Presses to Metal Forming Processes, Steel Research International, Supplement Metal Forming 2010, vol. 81, no. 9 (2010), 9-16.

[3] K. Osakada, K. Mori, T. Altan, P. Groche, Mechanical servo press technology for metal forming, Annals of the CIRP 60 (2) (2011), 1-24.

DOI: 10.1016/j.cirp.2011.05.007

[4] I. Komatsu, T. Murakami, Practical Use of Servo Press, The Nikkan Kogyo Shimbun, Ltd. (2009), 48-49, (in Japanese).

[5] EP 1917564 B1, Method and Apparatus for Controlling and Regulation of the Ram Movement on Servo-Electric Presses, Müller Weingarten, 2009.

[6] E. Doege, B.A. Behrens, Handbuch Umformtechnik – Grundlagen Technologien Maschinen, Springer Verlag, Berlin, 2007 (in German).

DOI: 10.1007/978-3-642-04249-2

[7] M. Scheitza, Konzeption eines flexiblen 3D-Servo-Pressensystems und repräsentative Basisanwendungen, Dissertation, Shaker Verlag, Aachen, 2010, (in German).

[8] K. Lange, Umformtechnik – Handbuch für Industrie und Wissenschaft, Band 1: Grundlagen, sec. ed, Springer Verlag Berlin, 1984 (in German).

[9] E. Doege, H. Hütte, A. Kröff, W. Strache, Genauigkeit im Preßwerk – Teil I: Der überwachte Prozeß, Blech Rohre Profile 45, Nr. 6 (1998), 46-51.

[10] K.Großmann, H. Wiemer, State and potentials of the ''Virtual Forming Press'', Prod. Eng. Res. Devel. (2008) 2, 285-292.

DOI: 10.1007/s11740-008-0106-4

[11] J. Affenzeller, H. Gläser, Lagerung und Schmierung von Verbrennungsmotoren, Springer Verlag, Wien, 1996, (in German).

DOI: 10.1007/978-3-7091-6568-3

[12] J. Holland, Beitrag zur Erfassung der Schmierverhältnisse in Verbrennungskraftmaschinen, VDI-Forschungsheft, 475, 1959 (in German).

[13] P. Groche, M. Scheitza, M. Kraft, S.O. Schmitt, Increased total flexibility by 3D Servo Presses, CIRP Annals – Manufacturing Technology, vol. 59, no. 1 (2010), 267-270.

DOI: 10.1016/j.cirp.2010.03.013

[14] K. Lange, Umformtechnik – Handbuch für Industrie und Wissenschaft, Band 2: Massivumformung, sec. ed, Springer Verlag Berlin, 1988 (in German).

[15] Norm DIN 620-4, Wälzlager, Wälzlagertoleranzen, Teil 4: Radiale Lagerluft, Beuth Verlag, Berlin, 2004 (in German).

[16] Norm DIN ISO 281, Wälzlager – Dynamische Tragzahlen und nominelle Lebensdauer, Beuth Verlag, Berlin, 2010 (in German).

DOI: 10.31030/1718715

[17] Schaeffler Gruppe, Wälzlager-Katalog, Schaeffler KG, 2006 (in German).