2020
DOI: 10.1016/j.procir.2020.03.092
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Improving dynamic process stability in milling of thin-walled workpieces by optimization of spindle speed based on a linear parameter-varying model

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Cited by 15 publications
(10 citation statements)
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“…In terms of improving the dynamic vibration behavior in milling of thin-walled workpieces, the adaptive control of the spindle speed is one key approach to prevent resonance of both tool and workpiece and tracking their relative displacement (Scippa et al, 2014). Within novel FEM-based and CAMintegrated simulation approaches, it is possible to take into account systematically the continuously changing workpiece modal behavior related to the material removal (Maslo et al, 2020;Maslo, 2022). This allows a position-oriented evaluation of the workpiece FRF, which can be subsequently coupled with simulated or experimentally evaluated FRFs measured at the tooltip.…”
Section: Finite Element Method-coupled Process Simulations Of Blisk M...mentioning
confidence: 99%
“…In terms of improving the dynamic vibration behavior in milling of thin-walled workpieces, the adaptive control of the spindle speed is one key approach to prevent resonance of both tool and workpiece and tracking their relative displacement (Scippa et al, 2014). Within novel FEM-based and CAMintegrated simulation approaches, it is possible to take into account systematically the continuously changing workpiece modal behavior related to the material removal (Maslo et al, 2020;Maslo, 2022). This allows a position-oriented evaluation of the workpiece FRF, which can be subsequently coupled with simulated or experimentally evaluated FRFs measured at the tooltip.…”
Section: Finite Element Method-coupled Process Simulations Of Blisk M...mentioning
confidence: 99%
“…Experimentally identified coefficients for the presented case are in (24),Appendix A1.Example of the force behaviour with respect to a few chosen parameters are shown in Fig. 3.…”
Section: Specific Cutting Force Modelmentioning
confidence: 99%
“…In practice, this is usually addressed either by reducing the dynamic compliance of the workpiece by additional reinforcement [12], damping with active or passive dampers, or by appropriate intervention in the force action of the process -either by disrupting the regenerative principle or by reducing the magnitude of the force response. In case of disturbance of the regenerative principle, either the use of gaps between lobes in high-speed machining (especially in milling [24]), speed variation in low-speed machining [16,20,2] or one of the newer methods such as regenerative compensation by active control [23], machining with ultrasonic vibration [33] or the method of time-varying longitudinal workpiece stiffness due to external force [6] .…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, alternative strategies are required in order to eliminate vibrations and decrease surface roughness. These strategies include spindle speed control [32] and stock allowance optimization coupled with spindle speed control [33][34][35]. The latter articles took into account the change in structural dynamics of thin-walled blades relative to tool position when optimizing the feed and spindle speed distribution to reduce the risk of chatter.…”
Section: Introductionmentioning
confidence: 99%