Processing parameters influence on dynamics of vibratory drilling with adaptive control

Ivanov, I. I.; Voronov, Sergey A.

doi:10.1051/matecconf/201822602001

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…And it requires that time-delayed terms in model equations should be taken into account. The same mechanism emerges not only in drilling [3][4][5], but in milling [6], boring etc. The comprehensive review of present state of deep hole drilling modeling was given in [1].…”

Section: Introductionmentioning

confidence: 82%

Modeling of chatter vibrations in gun drilling process

Voronov¹,

Pleshcheev²

2021

Vib. proced.

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The dynamics of the gun drilling process is analyzed in this paper. The tool shank is modeled as long straight beam vibrating in transverse direction under action of cutting forces. Axial force component is expressed as proportional to cutting thickness, which is determined as nonlinear function of beam transverse deflection with time delay. Nonlinear equations of motion of the drilling shank are derived. The stability diagram of the system dynamics was determined. The bifurcation analysis of nonlinear differential delay equations by means of multiple scale method was performed. The obtained results were verified by numerical integration of nonlinear equations. The influence of cutting conditions on system stability and chatter amplitude was observed.

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Section: Introductionmentioning

confidence: 82%

Modeling of chatter vibrations in gun drilling process

Voronov¹,

Pleshcheev²

2021

Vib. proced.

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Nonlinear Coupled Flexural-Torsional Vibrations of Flexible Beam

Voronov

Pleshcheev

2020

Lecture Notes in Mechanical Engineering

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Improving the drilling process by its adaptive control

Vasilko¹

2020

Manufacturing Technology

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The experience from the use of NC tool machines has shown that it is not enough to optimise cutting conditions, without more detailed knowledge of machining process [1], [7]. Numereical control of a tool machine enables new possibilities to oprimise machining and provide more space to the technologist to deal with technological process in a creative way. This process is suggested on an example of a simple helical drill. Similar approach cenbe adapted for milling when the cut width increases gradually, when turning threads, teething and other frequent machining operations.

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Processing parameters influence on dynamics of vibratory drilling with adaptive control

Cited by 4 publications

References 5 publications

Modeling of chatter vibrations in gun drilling process

Modeling of chatter vibrations in gun drilling process

Nonlinear Coupled Flexural-Torsional Vibrations of Flexible Beam

Improving the drilling process by its adaptive control

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