VIBRATION MODES AND FREQUENCIES OF TWIST DRILLS USING LASER HOLOGRAPHIC INTERFEROMETRY.

Date

1985-12-01

Author

MacBain, J.C.
Harding, K.G.
Tekinalp, Ozan

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Drilling is one of the most important and common machining operations carried out in the manufacturing of durable goods. It is important to understand the structural dynamic response of the drilling operation both in terms of drill-hole accuracy, as well as, drill wear and breakage. Toward this end, this paper presents the results of an experimental study using laser holographic interferometry to record the natural mode shapes and frequencies of two stationary drills measured under simulated axial loads and with varying depth of drill hole. The experimental results are discussed in light of related analytical studies and compared to classical beam theory.

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0022269669&origin=inward
https://hdl.handle.net/11511/106770

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Department of Aerospace Engineering, Conference / Seminar