Vibration excitation and energy transfer during ultrasonically assisted drilling

Babitsky, Vladimir; Асташев, В. К.; Meadows, Alan

doi:10.1016/j.jsv.2007.03.064

Cited by 76 publications

(53 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Babitsky and co-workers [12,15,16] reported on several well-documented advantages of ultrasonically assisted machining processes of intractable alloys such as drilling [15] and turning [16].…”

Section: Introductionmentioning

confidence: 99%

Enhanced ultrasonically assisted turning of a β-titanium alloy

et al. 2013

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Enhanced ultrasonically assisted turning of a β-titanium alloy

et al. 2013

View full text Add to dashboard Cite

“…Vibration helps to overcome built-up edge effects, which is typical for traditional cutting of a number of materials like aluminium, copper, brittle steels and other difficult to machine metals and alloys). This leads to significant improvement in the surface finish produced [37,38,39,40].…”

Section: Ultrasonically Assisted Machining (Uam)mentioning

confidence: 99%

“…For effective tuning of an ultrasonically assisted drilling system, the matching of the dynamic qualities of the transducer and the drill bit with the dynamic loads imposed by the cutting process is required [40].…”

Section: Resonant Tuning Of An Ultrasonic Systemmentioning

confidence: 99%

Modelling of autoresonant control of ultrasonic transducer for machining applications

Voronina

Babitsky

Meadows

2008

Proceedings of the Institution of Mechanical Engineers, Part C:

View full text Add to dashboard Cite

A computer model of a non-linear ultrasonic vibrating system with the possibility of autoresonant control is presented in this paper. The system controlled consists of two modules, the first of which is an electromechanical model of an ultrasonic transducer comprising a piezoelectric transducer and a step concentrator. The second module simulates an influence from the machining process. Coefficients of the electromechanical model and its validity were estimated through an identification process based on the experiments with a real ultrasonic transducer. Further, a numerical model of the autoresonant control of this system has been developed. The autoresonant control maintains the resonant regime of oscillation by means of positive feedback, which provides transformation and amplification of the control signal. The model allows the use and comparison of three control strategies depending on the different electrical and mechanical feedback control signals. The results from simulation and from real machining experiments under different control strategies are compared and discussed.

show abstract

“…These devices can be themselves tools or can be used with a tool attached at the small end, and thus they are tied with high-power applications of ultrasound, like cutting [1][2][3], drilling [4][5][6], turning [7], welding [8,9], and so forth, or for machining different materials as carbon fiber reinforced composites [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

A New Approach on Vibrating Horns Design

Guiman

Roşca

2017

Shock and Vibration

View full text Add to dashboard Cite

An optimization method of the vibrating horns is presented considering the smallest action principle and the attached cutting tool mass. The model is based on Webster's wave propagation equation and as an objective function the minimization of the volume in structural equilibrium conditions was considered. The considered input parameters were working frequency, maximum crosssectional area, magnification coefficient, and the attached mass. At the end of the study, a new shape function of the horn's cross section is obtained. The particularity of the new obtained shape is given by the nodal point position that is the same with the position of the maximum cross-sectional area. The obtained horn was analyzed from the modal point of view using theoretical and experimental methods. As theoretical methods, both the state-space method and the finite element method were used. An experimental setup for frequency response function determination was developed using a random input signal. The verification of the magnitude value was done considering a harmonic steady-state signal. The recorded values were compared with the predicted values. The numerical simulations and tests support the validity of the assumptions used in the horns optimization design.

show abstract

Vibration excitation and energy transfer during ultrasonically assisted drilling

Cited by 76 publications

References 2 publications

Enhanced ultrasonically assisted turning of a β-titanium alloy

Enhanced ultrasonically assisted turning of a β-titanium alloy

Modelling of autoresonant control of ultrasonic transducer for machining applications

A New Approach on Vibrating Horns Design

Contact Info

Product

Resources

About