Nonlinear dynamics of percussive drilling of hard materials

Anton M. Krivtsov, Marian Wiercigroch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is postulated that the main mechanism of the enhancement of material removal rate (MRR> in percussive drilling is associated with generating impact forces, which act on the workpiece and help to develop micro-cracidng in the cutting zone. The inherent non-linearity of the discontinuous impact process is modelled as a frictional pair, to generate the pattern of the impact forces. A novel formula for calculating the MRR is proposed, which explains the experimentaily observed fall in MRR at higher static forces.

Original languageEnglish
Title of host publication17th Biennial Conference on Mechanical Vibration and Noise
Subtitle of host publicationProceedings of ASME 1999 Design Engineering Technical Conferences
PublisherAmerican Society of Mechanical Engineers(ASME)
Pages1473-1478
Number of pages6
ISBN (Electronic)9780791819777
DOIs
Publication statusPublished - 1999
EventASME 1999 Design Engineering Technical Conferences, DETC 1999 - Las Vegas, United States
Duration: 12 Sep 199916 Sep 1999

Publication series

NameInternational Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE)
Volume7A-1999

Conference

ConferenceASME 1999 Design Engineering Technical Conferences, DETC 1999
CountryUnited States
CityLas Vegas
Period12/09/9916/09/99

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