A Study of the Vibrational Dynamics of an Endrill Clamped by Side-Locking

[+] Author and Article Information
M. Rahman, K. H. W. Seah

Department of Mechanical and Production Engineering, National University of Singapore, Kent Ridge, Singapore 0511

M. A. Matin

Department of Electrical and Electronic Engineering, Bangladesh University of Engineering & Technology, Dhaka, Bangladesh

J. Eng. Ind 115(4), 438-443 (Nov 01, 1993) (6 pages) doi:10.1115/1.2901787 History: Received December 01, 1988; Revised December 01, 1992; Online April 08, 2008


An endrill is clamped by a side-locking device. The shape of a hole obtained by such a drill is found to be of a distorted oval shape. Fourier analysis of the process reveals that the out-of-roundness of the hole is due to the harmonic variation of the centrifugal force developed on the drill-bit. The chattering ranges of the spindle speed are also shown in a stability chart representing the frequency response of the system.

Copyright © 1993 by The American Society of Mechanical Engineers
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