Machining Dynamics : Transforming science into technologies for improved productivity - IMTMA/P028



Programme Background

Machine tool performance is fundamentally limited by machining process induced vibrations. When these vibrations become unstable, i.e. when the machine tool system chatters, the chatter vibrations can damage the workpiece, break the tool, damage the spindle and its bearing, and also damage the machine itself. To avoid such vibrations, machine tools are often operated conservatively, resulting in underutilization of such high-value assets by a factor of two or more. This underutilization results in huge economic losses to all industries that use machines to make products. To fully harness a machine's capacity it becomes imperative to employ technologies that enable better resource utilization. This programme is geared towards introducing technologies that make possible higher utilization of machine tools.

The programme will introduce the essentials of: machining process mechanics, machine tool dynamics, and of process-machine interactions to predict and avoid unstable chatter vibrations. These new ideas will enable participants to optimize their machining processes, and will also enable participants to design more productive high-performance machines and tools. Hands-on experimental testing of machine dynamics and chatter detection and avoidance will enable the participants to improve their understanding of this highly technical and non-intuitive field. The programme will be highly interactive, allowing participants to solicit feedback on specific technical issues from the expert faculty.

Focus Areas
  • Introduction to physics based machining process modelling
  • Introduction to machine tool vibrations: free, forced and self-excited types
  • Hands on experimental testing of machine tool dynamics
  • Introduction to process-machine interactions and machine tool chatter. 
  • Experimental characterization and avoidance of chatter:
    • Instrument machines to experimentally detect and avoid chatter.
    • Demonstrations of improved productivity and machine tool utilization.
  • Case studies discussing examples of many-fold improvement in productivity in the Aerospace, Die & Mould, Automobile industries.
  • Case studies discussing design of high-performance machine and cutting tools from a dynamics perspective
Key Takeaways

The dates of this programme is not yet announced. For more information please click below button.

 

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