[HTML][HTML] Robust stability of milling operations based on pseudospectral approach
The prediction of chatter-free machining parameters is not reliable for industrial applications
without guaranteed robustness against modeling uncertainties. Measurement inaccuracies …
without guaranteed robustness against modeling uncertainties. Measurement inaccuracies …
Nonlinear dynamics of friction-induced regenerative chatter in internal turning with process damping forces
Stability in internal turning operation depends on several factors such as cutting conditions,
tool overhang, associated tool dynamics, regeneration, friction and process damping. In the …
tool overhang, associated tool dynamics, regeneration, friction and process damping. In the …
Vibration analysis and cutting simulation of structural nonlinearity for machine tool
N Irino, Y Imabeppu, Y Higuchi, Y Shinba, K Kawai… - CIRP Annals, 2021 - Elsevier
The dynamic behavior of a machine tool is affected by the forces applied to the structure.
However, cutting processes have been analyzed considering the linear systems in most of …
However, cutting processes have been analyzed considering the linear systems in most of …
In-process monitoring of changing dynamics of a thin-walled component during milling operation by ball shooter excitation
During the milling of thin-walled workpieces, the natural frequencies might change radically
due to the material removal. To avoid resonant spindle speeds and chatter vibration, a …
due to the material removal. To avoid resonant spindle speeds and chatter vibration, a …
Validation of a hardware-in-the-loop simulator for investigating and actively damping regenerative chatter in orthogonal cutting
Abstract Machine tool productivity and part surface quality are fundamentally limited by
chatter occurring due to regenerative type self-excited vibrations. Efficacy of the existing high …
chatter occurring due to regenerative type self-excited vibrations. Efficacy of the existing high …
Real-time estimation of cutting forces via physics-inspired data-driven model
A method is presented to estimate the cutting forces in real time within machine tools for any
spindle speed, force profile, tool type, and cutting conditions. Before cutting, a metrology …
spindle speed, force profile, tool type, and cutting conditions. Before cutting, a metrology …
[HTML][HTML] Nonlinearities of hardware-in-the-loop environment affecting turning process emulation
In hardware-in-the-loop (HIL) experimental environment, a local softening character of the
emulated cutting force is observed during the emulation of turning, which affects the stability …
emulated cutting force is observed during the emulation of turning, which affects the stability …
Nonlinear chatter of CNTs-reinforced composite boring cutter considering unstable region
J Zhang, Z Wang, C Feng, J Jia, Z Tong, Y Ren… - Archive of Applied …, 2023 - Springer
The nonlinear dynamic analysis of rotating composite boring round bar containing carbon
nanotubes (CNTs) in boring system is investigated. Firstly, according to both the Halpin–Tsai …
nanotubes (CNTs) in boring system is investigated. Firstly, according to both the Halpin–Tsai …
Why is it hard to identify the onset of chatter? A stochastic resonance perspective
A stochastic dynamical model is presented to identify the difficulties in chatter detection
during cutting processes. The theoretical implications are based on measurements related …
during cutting processes. The theoretical implications are based on measurements related …
Emulating bistabilities in turning to devise gain tuning strategies to actively damp them using a hardware-in-the-loop simulator
Bistabilities in turning are characterized by the process being stable for small perturbations
and unstable for larger ones. These bistabilities occur due to nonlinearities in cutting force …
and unstable for larger ones. These bistabilities occur due to nonlinearities in cutting force …