• Research and Development of a Mechatronic Tool System fort he Compensation of Straightness Deviation in BTA Deep Hole Drilling

• Tool and Process Optimization for efficient Ejector Deep-Hole Drilling-Processes using Smoothed Particle Hydrodynamics (SPH)

• SPP 2231 FluSimPro - Coupled mechanical and fluid dynamic simulation methods to realize efficient production processes

Biermann, D.; Saelzer, J.; Bergmann, B.; Schenzel, J.; Menze, C. J.; Gerken, J. F.; Wolf, T; Denkena, B.; Möhring, H.-C.; Zabel, A.
Fundamental characterization of lubrication effects through various cooling lubricants in the chip formation zone
Production Engineering – Research and Development (2024). https://doi.org/10.1007/s11740-024-01303-0

Baumann, A.; Gerken, J. F.; Sollich, D.; Rupasinghe, N.; Biermann, D.; Eberhard, P.
Modeling and mitigation of vortex formation in ejector deep hole drilling with smoothed particle hydrodynamics
International Journal of Computational Particle Mechanics (2024), doi: 10.1007/s40571-024-00789-w.

Gerken, J. F.; Biermann, D.
Additiv gefertigte Tiefbohrwerkzeuge sparen enorm viel Energie
WGP-Wissenschaftliche Gesellschaft für Produktionstechnik Newsletter 1/2024, Sonderausgabe „Additive Fertigung“, https://wgp.de/de/additiv-gefertigte-tiefbohrwerkzeuge-sparen-enorm-viel-energie/

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Scientific investigation of the cooling lubricant flow in ejector deep hole drilling inside the tool using innovative analysis methods
16th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME 2022), Procedia CIRP 118 (2023), S. 396-401, doi: 10.1016/j.procir.2023.06.068.
 
Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Design of fluid flow optimized ejector drill heads for efficient metalworking fluid supply to the cutting zone
33rd CIRP Design Conference, Procedia CIRP 119 (2023), S.351-356, doi: 10.1016/j.procir.2023.06.195

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Analysis of the cooling lubricant flow in the area of cutting edges and guide pads during ejector deep hole drilling
19th CIRP Conference on Modeling of Machining Operations (CMMO 2023), Procedia CIRP 117 (2023), S.408-413, doi: 10.1016/j.procir.2023.03.069

Gerken, J; Schmidt, R.;  Biermann, D.; Fuss, M.
Tool and process development for chambering bores with non-circular contour in highly stressed workpieces
International Journal of Mechatronics and Manufacturing Systems 14 (2021) 289. 10.1504/IJMMS.2021.121245

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Strömungscharakteristika beim Ejektortiefbohren
wt Werkstattstechnik online, 112 (2022) 6, S. 425-429, Link

Gerken, J. F.; Daniel, M.; Biermann, D.
Analysis of the cooling lubricant flow during ejector deep hole drilling by in-process volume flow and pressure measurements
55th CIRP Conference on Manufacturing Systems (CMS 2022), Procedia CIRP 107 (2022), S. 227-232, doi: 10.1016/j.procir.2022.04.038

Canini, D.; Gerken, J. F.; Biermann, D.; Eberhard, P.
Modelling and experimental analysis of the cooling liquid flow in ejector deep drilling processes
7th International Conference on Particle-based Methods (Particles 2021), Volume IS17 – Particle Methods for Fluid-Structure Interactions (2022), doi: 10.23967/particles.2021.008

Gerken, J. F.; Biermann, D.; Klages, N.; Denkena, B.
Development and analysis of a mechatronic system for in-process monitoring and compensation of straightness deviation in BTA deep hole drilling
Mechanical Systems and Signal Processing, 170 (2022) 108838, ISSN 0888-3270, doi: 10.1016/j.ymssp.2022.108838

Gerken, J.F.; Schumski, L.; Wolf, T.; Iovkov, I.; Biermann, D.; Karpuschewski, B.
Kühlschmierstoffeinsatz in Bohrprozessen optimieren
VDI-Z 163 (2021) 11-12, S.62-64, ISSN 0042-1766 , doi: 10.37544/0042-1766-2021-11-12-62

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Modeling of the Fluid Flow and Design of an Experimental Test Stand for Ejector Deep Hole Drilling Processes
Congress of the German Academic Association for Production Technology (WGP), Production at the leading edge of technology 10 (2021), S. 186-194, doi: 10.1007/978-3-030-78424-9_21

Gerken, J. F.; Canini D.; Biermann, D.; Eberhard P.
Effizientes Ejektortiefbohren
mav Innovation in der spanenden Fertigung, 5 (2021), S. 46-48, ISSN 0343-043X

Gerken, J. F.; Biermann, D.; Klages, N.; Denkena, B.
In-process compensation of straightness deviation in BTA deep hole drilling using experimental and simulative analysis
53rd CIRP Conference on Manufacturing Systems (CMS 2020), Procedia CIRP 93, (2020), S. 1417-1422, doi: /10.1016/j.procir.2020.04.103

Gerken, J. F.; Biermann, D.
Concept of a Mechatronic System for Targeted Drill Head Direction and Angular Alignment Control in BTA Deep Hole Drilling
WGP: Congress of the German Academic Association for Production Technology (WGP 2020), Production at the leading edge of technology 10, (2020), S. 215-224, doi: /10.1007/978-3-662-62138-7_22

Biermann, D.; Denkena, B.; Gerken, J. F.; Klages, N.
Simultane Erfassung und Kompensation des Mittenverlaufs
mav Innovation in der spanenden Fertigung, 9 (2020), S. 64-67, ISSN 0343-043X

Biermann, D.; Denkena, B.; Bergmann, B.; Iovkov, I.; Gerken, J. F.; Klages, N.
Prozesskontrolle auch bei tiefen Bohrungen
wt-online, 110 (2020) 1-2, S. 50-53

Schmidt, R.; Gerken, J. F.; Fuß, M.; Biermann, D.
Analysis of contour accuracy and process forces using a chamber-boring-system
Modern Machinery (MM) Science Journal, Special Issue on HSM 2019 15th International Conference on High Speed Machining, (2019), S. 3316-3322, doi: 10.17973/MMSJ.2019_11_2019087

Gerken, J. F.; Rupasinghe, N..; Biermann, D.; Eberhard, P.
Analysis of the chip formation during ejector deep hole drilling for the design of fluid flow optimized ejector drill heads
18th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME 2024), 10.-12.07.2024, Golf von Neapel, Italien
 
Rupasinghe, N.; Gerken, J. F.; Eberhard, P.; Biermann, D.
Investigation of Chip Evacuation in Ejector Deep Hole Drilling using Mesh-Free Simulation Methods
18th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME 2024), 10.-12.07.2024, Golf von Neapel, Italien

Biermann, D., Gerken, J., Sicking, M., Rinschede, T.
Wissensbasierte Entwicklung und Optimierung von Tiefbohrprozessen
VDI-Fachtagung – Präzisions- und Tiefbohren aktuell 2024, 12.–13.03.2024, Dortmund

Schmidt, R.; Sicking, M.; Gerken, J. F.; Rinschede, T.
Entwicklungen und Herausforderungen beim Einsatz innovativer Tiefbohrverfahren
Wissensforum Zerspanung, 21.-22.11.2023, Würzburg

Fritsching, U.; Buss, L.; Tonn, T.; Schumski, L.; Gakovi, J.; Hatscher, J.-D.; Sölter, J.; Avila, K.; Karpuschewski, B.; Gerken, J.-F.; Wolf, T.; Biermann, D.; Menze, C.; Möhring, H.-C.; Tchoupe, E.; Heidemanns, L.; Herrig, T.; Klink, A.; Nabbout, K.; Sommerfeld, Martin; Luther, F.; Schaarschmidt, I.; Schubert, A.;  Richter, M.
Flow Visualisation and Evaluation Studies on Metalworking Fluid Applications in Manufacturing Processes—Methods and Results
Processes 2023, 11(9), 2690. https://doi.org/10.3390/pr11092690

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Design of fluid flow optimized ejector drill heads for efficient metalworking fluid supply to the cutting zone
33rd CIRP Design Conference, 17. - 19.05.2023, Sydney, NSW 2006, Australien.
 
Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Analysis of the cooling lubricant flow in the area of cutting edges and guide pads during ejector deep hole drilling
19th CIRP Conference on Modeling of Machining Operations (CMMO 2023), 31.05.-02.06.2023, Karlsruhe.

Gerken, J. F.
Entwicklung strömungsoptimierter Werkzeuge für das Ejektortiefbohren
VDI-Fachtagung - Präzisions- und Tief­bohren aktuell 2022, 11. - 12.10.2022, Stuttgart

Biermann, D.; Michel, S.; Gerken, J. F.; Wolf, T.
Tiefgehende Untersuchungen und innovative Werkzeugsysteme für effiziente Bohrprozesse
VDI-Fachtagung - Präzisions- und Tief­bohren aktuell 2022, 11. - 12.10.2022, Stuttgart

Gerken, J. F.; Canini, D.; Biermann, D.; Eberhard, P.
Scientific investigation of the cooling lubricant flow in ejector deep hole drilling inside the tool using innovative analysis methods
16th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME 2022), 13.-15.07.2022, Golf von Neapel, Italien.

Gerken, J. F.; Biermann, D.; Daniel, M.
Analysis of the cooling lubricant flow during ejector deep hole drilling by in-process volume flow and pressure measurements
55th CIRP Conference on Manufacturing Systems (CMS 2022), 29.06.-01.07.2022, Lugano, Schweiz.

Gerken, J. F.; Biermann, D.
Modeling of the fluid flow and design of an experimental test stand for ejector deep hole drilling processes
Congress of the German Academic Association for Production Technology (WGP), Production at the leading edge of technology 11, 29.-30.09.2021, Dresden

Gerken, J.F.; Wolf, T.
Optimierung der Kühlschmierstoffversorgung für industrierelevante Bohrprozesse durch innovative Strömungsvisualisisierung
METAV Digital, 08.04.2021

Gerken, J. F.; Biermann, D.
Concept of a Mechatronic System for Targeted Drill Head Direction and Angular Alignment Control in BTA Deep Hole Drilling
Congress of the German Academic Association for Production Technology (WGP), Production at the leading edge of technology 10, 23.-24.09.2020, Dresden

Gerken, J. F.; Biermann, D.
In-process compensation of straightness deviation in BTA deep hole drilling using experimental and simulative analysis
53rd CIRP Conference on Manufacturing Systems (CMS 2020), 01.-03.07.2020, Chicago, IL, U.S.A.