Chairman: E. Budak, Vice Chairman: A. Matsubara, Secretary: M. F. Zaeh.

In 2019, the Scientific Technical Committee Machine (STC “M”) had two meetings in Paris on February 22^nd and in Birmingham during the General Assembly on August 23^rd.                                                     

STC “M” meeting in Paris, February 22^nd 2019

72 participants (Fellows: 14, Associate Members: 19, Cooperate Members: 20), 10 research affiliates, and 9 guests attended the meeting.
The following technical contributions, proposals and progress for future keynotes were presented and discussed.

Technical presentations

1. “Preliminary work on benefits and challenges of cloud-based CNC”
   by C. Okwudire, (Dept. of Mechanical Engineering, University of Michigan, USA)
2. “Force and stability modeling for non-standard edge geometry endmills”
   by T. Schmitz (Dept. of Mechanical Engineering and Eng. Science, UNC Charlotte, USA)
3. “On the frequency dependence of near-field acoustic levitation”
   by P. Guo (Dept. of Mechanical Engineering, Northwestern University, USA)
4. “Three-axis milling machine prototype for ultra-precision high performance cutting”
   by B. Denkena and B. Bergman (IFW, Leibniz Universität, Hannover, Germany)
5. “Optimizing the serration profile, pitch, and helix of serrated end mills for reducing cutting forces”
   by M. Law (Department of Mechanical Eng., IIT, Kanpur, India)
6. “Active Modal-space control of machine tools”
   by S. Ihlenfeldt (IWU, Dresden, Germany)
7. “Effects of contact parameters on structural design optimization of machine tool structures”
   by E. Budak and E. Yuksel (Sabanci University, Istanbul, Turkey)

Proposals and progress reports for future keynotes 

1. STC-M Keynote Paper 2020 “Energy Efficient Machine Tools”
   by B. Denkena (IFW, Leibniz Universität Hannover, Germany)
2. STC-M Keynote Paper 2021 “Noise and Vibration in Machine Tools”
   by CK. Wegener (IWF, ETH Zurich, Switzerland)
3. Progress Report on STC-M Keynote Paper 2022 “Mechanical Interfaces in Machine Tools”
   by E. Budak (Sabanci University, Istanbul, Turkey)
4. STC-M Keynote Paper 2023 “Sensor and Actuator Integrated Tooling Systems”
   by F. Bleicher (TU Wien, Austria)

Possible topics for future keynote papers:

• The machine tool of the future
• Cyber-Physical Machines
• Artificial Intelligence/ Self-optimizing machines
• Self-aware machines

CIRP sponsored Conferences approved
CMPM by K. Kerrigan

STC “M“ meeting in Birmingham, August 23^th 2019

63 members (Fellows: 20, Associate Members: 22, Cooperate Members: 21), 5 research affiliates, and 20 guests attended the meeting.
The following technical contributions, proposals and progress for future keynotes were presented and discussed.

Technical presentations

1. "Dynamic modeling of aerostatic spindles for balancing grade lifting"
   by H. Cao (Xi’an Jiaotong University, China)
2. "Dynamic repeatability for hybrid manufactured structures"
   by T. Schmitz, J. West, E. Betters (University of Tennessee, USA), S. Smith (Oak Ridge National Laboratory, USA)
3. Breaking the trade-off between high stiffness and good damping of joint interfaces”
   by S. Ihlenfeldt (Fraunhofer IWU / TU Dresden, Germany)
4. “Mobile machine tool walking on large workpieces: challenges in local and global positioning”
   by C.J. Kim (Korea Institute of Machinery and Materials, Korea)
5. “Chatter monitoring system and database development for robotic drilling”
   by E. Ozturk (AMRC, University of Sheffield, UK)
6. “Friction-damped tool holder for increasing process stability”
   by B. Bergmann (IFW, Leibniz University, Germany)
7. “AI-based wear diagnosis of ball screw drives.”
   by J. Fleischer (WBK, Karlsruhe Institute of Technology, Germany)

 Proposals and progress reports for future keynotes

1. Progress Report on STC-M Keynote Paper 2020 “Energy Efficient Machine Tools”
   by B. Denkena (IFW, Leibniz Universität Hannover, Germany)
2. Progress Report on STC-M Keynote Paper 2021 “Noise and Vibration in Machine Tools”
   by K. Wegener (IWF, ETH Zurich, Switzerland)
3. STC-M Keynote Paper 2022 “Mechanical Interfaces in Machine Tools”
   by E. Budak (Sabanci University, Istanbul, Turkey)
4. STC-M Keynote Paper 2023 “Sensor and Actuator Integrated Tooling Systems”
   by F. Bleicher (TU Wien, Austria)

Future keynote proposals

• AI-related topics
• Self-repairing machine tools
• Wood working machines

CIRP sponsored Conferences approved

1. 2nd CIRP Conference on Composite Materials Parts Manufacturing
   October 10 - 11, 2019, Sheffield, UK (Dr. Kevin Kerrigan)
2. 9th CIRP Conference on High Performance Cutting (HPC 2020)
   June 29 -July 1, 2020, Sheffield, UK (Dr. Erdem Ozturk)
3. 16th International Conference on High Speed Machining (HSM 2020)
   October 7-8, 2020,  Darmstadt, Germany (Prof. Matthias Weigold)
4. SysInt 2020 – 5th International Conference on System-Integrated Intelligence
   June 3-5, 2020, Bremen Germany (Prof. Klaus-Dieter Thoben)
5. XXXII Conference on Supervising and Diagnostics of Machining Systems: TOWARDS INTELLIGENT AND SELF-REPAIRING MANUFACTURING
   March 14-18, 2021, Karpacz, Poland (Prof. Jerzy Jedrzejewski)
6. 2nd Conference on Thermal Issues in Machines
   2020 at TU Dresden (Prof. Ihlenfeldt)

Signed by Prof. Erhan Budak, Chairman