Production Engineering

, Volume 12, Issue 3–4, pp 491–500 | Cite as

Analytic model of process forces for orthogonal turn-milling

  • Matthias Hertel
  • Martin Dix
  • Matthias Putz
Production Process


The manufacturing process of turn-milling offers high productivity, high geometrical flexibility, safe chip breaking and machining of twist-free surfaces. However, the achievable accuracies and surface qualities do not allow the substitution of finish grinding processes. Thereby the dynamic profile of process forces is one of the main disturbance values. This paper presents a new process model of orthogonal eccentric turn-milling without axial feed. Thus the focus lies on the analysis of the process forces and their dynamic behavior caused by the changing chip cross section area on the face cutting edge. The developed model considers single and multiple cutting edge tools and has a geometrical-empirical character. This model describes the process kinematics and the error inducing process forces in orthogonal turn-milling. Their dynamic profile can be analyzed and minimized using multiple cutting edge tools and customized pre-machining of the workpiece surface topography with the goal of creating a robust process to substitute the finish grinding process in high precision applications. Such applications include, for example, the main and pin bearing seats of crank shafts used in the automotive and truck industry or even for large ship engines. The key feature is to minimize the form deviation of the cylindricity, which results from straightness and roundness of the workpiece surface to below 10 µm for crank shafts used in the truck industry. The model is adjusted and verified by experimental tests.


Turn-milling Process kinematic Process forces Dynamics Surface integrity Precision 


  1. 1.
    König W, Wand Th (1984) Exzentrisches Drehfräsen. Industrie Anzeiger, Band 106, Heft 30, S34–36 (Aachen)Google Scholar
  2. 2.
    Wedeniwski H (1984) Rundheitsfehler beim Stirndrehfräsen. Werkstatt und Betrieb Band 117/1:41–42 (Köln)Google Scholar
  3. 3.
    Sorge K-P (1984) Die Technologie des Drehfräsens. Carl Hanser Verlag, München/Wien, TH DarmstadtGoogle Scholar
  4. 4.
    Sorge K-P (1984) Komplettbearbeiten durch Drehfräsen. Werkstatt und Betrieb 117/1:37–39 (Köln)Google Scholar
  5. 5.
    Schulz H, Lehmann Th (1991) Spanungsgeometrie beim orthogonalen Drehfräsen. Technica 40/19: 16–24 (Zürich)Google Scholar
  6. 6.
    Sahm D (1996) Oberflächenbeschaffenheit und Produktivität beim orthogonalen Drehfräsen. Dissertation, Shaker Verlag Aachen, TH DarmstadtGoogle Scholar
  7. 7.
    Kopac J, Pogacnik M (1997) Theory and practice of achieving quality surface in turn-milling. Int J Mach Tools Manuf 37(5):709–715 (Ljubljana, Slovenia)CrossRefGoogle Scholar
  8. 8.
    Seco Tools (1998) Drehfräsen spart Zeit. Seco Berichte und Informationen aus aller Welt Nr. 2; SwedenGoogle Scholar
  9. 9.
    Kara ME, Budak E (2015) Optimization of turn-milling processes. Procedia CIRP 33:476–483 (Istanbul, Turkey)CrossRefGoogle Scholar
  10. 10.
    Karaguzel U, Uysal E, Budak E, Bakkal M (2016) Effects of tool axis offset in turn-milling process. J Mater Process Technol 231:239–247 (Istanbul, Turkey)CrossRefGoogle Scholar
  11. 11.
    Karaguzel U, Budak E, Bakkal M, Wertheim R (2016) Improving performance of turn-milling by controlling forces and thermally induced tool-center point (TCP) displacement. Procedia CIRP 40:481–485 (Istanbul, Turkey)CrossRefGoogle Scholar
  12. 12.
    Riemer O (2001) Trennmechanismen und Oberflächenfeingestaltung bei der Mikrozerspanung kristalliner und amorpher Werkstoffe. Dissertation, Universität BremenGoogle Scholar
  13. 13.
    Tabellenbuch für Zerspantechnik (2015) 1. Aufl. Verlag Europa LehrmittelGoogle Scholar
  14. 14.
    Degner W, Lutze H, Smejkal E (2009) Spanende Formung—Theorie—Berechnung—Richtwerte. 16. Aufl. Carl Hanser VerlagGoogle Scholar

Copyright information

© German Academic Society for Production Engineering (WGP) 2018

Authors and Affiliations

  1. 1.TU-Chemnitz/IWPChemnitzGermany
  2. 2.Fraunhofer IWUChemnitzGermany

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