Material removal and surface generation in longitudinal-torsional ultrasonic assisted milling

S Qin, L Zhu, M Wiercigroch, T Ren, Y Hao… - International Journal of …, 2022 - Elsevier
Ultrasonic Machining (UM) is extensively used in processing of difficult to cut materials due
to its superior performance. However, the mechanics of this process is still not fully …

Digital signal processing for self-vibration monitoring in grinding: A new approach based on the time-frequency analysis of vibration signals

R Thomazella, WN Lopes, PR Aguiar, FA Alexandre… - Measurement, 2019 - Elsevier
The occurrence of chatter can generate parts outside the dimensional and geometric
tolerances or even cause irreversible damage, such as changes to the hardness and …

Nonlinear dynamic analysis of high-speed precision grinding considering multi-effect coupling

H Lu, C Li, C Liu, C Hua, J Hao, M Xu… - International Journal of …, 2024 - Elsevier
The aerostatic spindle is widely used in the field of precision grinding because of its
excellent machining stability and machining accuracy. The spindle is jointly affected by …

Controlling multistability in a vibro-impact capsule system

Y Liu, J Paez Chavez - Nonlinear Dynamics, 2017 - Springer
This work concerns the control of multistability in a vibro-impact capsule system driven by a
harmonic excitation. The capsule is able to move forward and backward in a rectilinear …

Modelling of regenerative and frictional cutting dynamics

Y Yan, J Xu, M Wiercigroch - International Journal of Mechanical Sciences, 2019 - Elsevier
As most investigations of regenerative and frictional cutting chatters have been performed
separately up to now, this paper aims to bridge the gap between the two sources of cutting …

Chatter reliability of milling system based on first-order second-moment method

Y Liu, L Meng, K Liu, Y Zhang - The International Journal of Advanced …, 2016 - Springer
In this paper, reliability analysis for dynamic structural system is presented to predict chatter
vibration in a milling system. Chatter reliability is defined to represent the probability of …

Safety estimation for a new model of regenerative and frictional cutting dynamics

Y Yan, G Liu, M Wiercigroch, J Xu - International Journal of Mechanical …, 2021 - Elsevier
In our previous study on regenerative and frictional cutting dynamics, a new model
considering both time-delayed regenerative effect and Stribeck effect as sources of cutting …

Expectations and limitations of cyber-physical systems (CPS) for advanced manufacturing: A view from the grinding industry

I Pombo, L Godino, JA Sánchez, R Lizarralde - Future Internet, 2020 - mdpi.com
Grinding is a critical technology in the manufacturing of high added-value precision parts,
accounting for approximately 20–25% of all machining costs in the industrialized world. It is …

Stability and dynamics of parallel plunge grinding

Y Yan, J Xu, M Wiercigroch - The International Journal of Advanced …, 2018 - Springer
To improve the performance of conventional cylindrical plunge grinding processes, this
paper introduces parallel grinding which employs an extra grinding wheel opposite to the …

Study on the influence of the grinding chatter on the workpiece's microstructure transformation

C Sun, Z Liu, D Lan, J Duan, S Xiu - The International Journal of Advanced …, 2018 - Springer
Grinding chatter is a kind of self-excited vibration which does not need external motivation.
However, the internal motivation exists in the form of the grinding force. The grinding force is …