In 2024, the Scientific Technical Committee on Machines (STC “M”) had two meetings. The first was in Paris, France on February 23, 2024 during the Winter Meetings of CIRP. The second was held in Thessaloniki, Greece on August 23, 2024, during the CIRP General Assembly.
STC “M” Meeting in Paris on February 23, 2024
This meeting took place in-person, with 83 attendees. The distribution was: 25 Fellows, 23 Associate Members, 21 Corporate Members, 4 Research Affiliates, and 10 Guests.
The following technical contributions, progress for future keynotes were presented and discussed. Essays for CIRP’s upcoming publication, CIRP Novel Topics in Production Engineering (CNTPE), were also discussed.
Technical presentations
1. “Additively manufactured porous structures for applications in machine tools”
by H.-C. Möhring (Institute for Machine Tools, University of Stuttgart, Germany).
2. “Cutting force modelling in rake face related reference frame. Testing and validation of the friction–pressure cutting force multiparametric model”
by M. Sulitka (RCMT, Czech Technical University in Prague, Czech Republic).
3. “Sensor placement strategy for accurate thermal error compensation”
by T. Kizaki (The University of Tokyo, Japan).
4. “Cutting force estimation from feed drive current for stationary axes”
by S. Ihlenfeldt (Fraunhofer Institute for Machine Tools and Forming Technology IWU, Germany).
5. “Sensing and actuated work-holding by electric power supply on machine tool table – examples”
by F. Bleicher (TU Wien, Austria).
6. “Comparative analysis of reinforcement learning and model-based control for optimized manipulation of an over-actuated machine tool”
by P. Groche (Institute for Production Engineering and Forming Machines, TU Darmstadt, Germany).
7. “Instabilities in guided circular sawing”
by M. Law (Indian Institute of Technology Kanpur, India).
Progress reports for future keynotes
1. Progress report on STC-M Keynote Paper 2025 “Fixtures and clamping systems in machining”
by H.-C. Möhring (Institute for Machine Tools, University of Stuttgart, Germany).
2. Progress Report on STC-M Keynote Paper 2026 “Digital twins for machine tools”
by A. Verl (Inst. for Control Engineering of Machine Tools and Manufacturing Units, Univ. of Stuttgart, Germany).
3. Progress Report on STC-M Keynote Paper 2027 “Machining of metallic flexible parts”
by L.T. Tunc (Sabanci University, Turkey).
CIRP Novel Topics in Production Engineering (CNTPE)
1. Presentation about CNTPE to STC-M
by H.-C. Möhring (Institute for Machine Tools, University of Stuttgart, Germany).
2. Update on CNTP essay “Bayesian machining learning: Application of Bayesian machine learning to machining dynamics”
by J. Karandikar, T. Schmitz, F. Bleicher (Oak Ridge National Laboratory (USA), University of Tennessee (USA)).
CIRP sponsored conferences approved
1. CIRP Sponsored Conference: 18th International Conference on High Speed Machining (HSM 2025), Metz, France, Mar 25-27, 2025.
2. CIRP Sponsored Conference: XXXVI CIRP Sponsored Conference on Supervising and Diagnostics of Machining Systems: Manufacturing Behaviour Data Processing for Autonomy Excellence, Jun 22-26, 2025.
3. CIRP Sponsored Conference: 4th International Conference on Thermal Issues in Machine Tools, Zurich, Jun 17-19, 2025.
STC “M” Meeting in Thessaloniki, Greece, August 23, 2024
This meeting took place in-person, with 97 attendees. The distribution was: 20 Fellows, 27 Associate Members, 15 Corporate Members, 5 Research Affiliates, and 30 Guests.
The following technical contributions, progress for future keynotes were presented and discussed. Essays for CIRP’s upcoming publication, CIRP Novel Topics in Production Engineering (CNTPE), were also discussed.
Technical presentations
1. “Slender continuum robots collaborate in-situ aero-engines to repair thermo-barrier coatings”
D. Axinte (University of Nottingham, UK).
2. “Opportunities and limitations of a sensory chuck for turning of thin-walled workpieces”
by E. Wnendt (IFW Leibniz University Hannover, Germany).
3. “Stiffness analysis of an electronically preloaded rack and pinion feed drive system”
by X. Beudaert (Ideko, Spain).
4. “Static and dynamic measurement of spindle system during rotation by non-contact electromagnetic loading system”
by S. Yamato (Kyoto University, Japan).
5. “Opportunities and challenges in developing magnetic levitated spindles with 6-DOF motions for ultra-precision manufacturing”
by Z. Zhu (Nanjing University of Science and Technology, China).
6. “Linear actuator based on the reluctance drive principal for deterministic machine hammer peening application”
by F. Bleicher (TU Wien, Austria).
7. “Robust estimation of thermal deviation with physics-based adaptive model”
by T. Kizaki (The University of Tokyo, Japan).
8. “Applications of machine tool digital twins”
by C.-J. Kim (Korea Institute of Machinery & Materials, Korea).
Progress reports and proposal(s) for future keynotes
1. Progress report on STC-M Keynote Paper 2025 “Fixtures and clamping systems in machining”
by H.-C. Möhring (Institute for Machine Tools, University of Stuttgart, Germany)
2. Progress report on STC-M Keynote Paper 2026 “Digital twins for machine tools”
by A. Verl (Inst. for Control Engineering of Machine Tools and Manufacturing Units, Univ. of Stuttgart, Germany).
3. Progress report on STC-M Keynote Paper 2027 “Machining of metallic flexible parts”
by T. Tunc (Sabanci University, Turkey).
4. Proposal for STC-M Keynote Paper 2028 (Working title) “From reactive maintenance to prescriptive maintenance”
by S. Ihlenfeldt (Fraunhofer Institute for Machine Tools and Forming Technology IWU, Germany).
CIRP Novel Topics in Production Engineering (CNTPE)
1. Presentation about CNTPE to STC-M
by H.-C. Möhring (Institute for Machine Tools, University of Stuttgart, Germany).
2. Proposal for CNTPE essay “Energy efficient machining by green transformation.”
by K. Mori (Kyoto University, Japan).
3. Proposal for CNTPE essay “Algorithms in CNC-kernels”
by A. Verl (Institute for Control Engineering of Machine Tools and Manufacturing Units, University of Stuttgart, Germany).
CIRP conferences approved
No new conference sponsorship was proposed.
New Collaborative Working Group proposal
“Digital twin assisted machine tool monitoring”, by Y. Altintas (University of British Columbia, Canada).
Chairman: A. Matsubara, Vice-Chairman: M. F. Zäh, Secretary: K. Erkorkmaz