Title: Analytical prediction of stability lobes in high-speed milling and their application to micromilling

Authors: L. Samrajya Lakshmi, V. Vasu, Prasad Krishna, B. Nageswara Rao, S. Rakesh

Addresses: Department of Production Engineering, V.R. Siddhartha Engineering College, Vijayawada, Andhra Pradesh, India. ' Department of Production Engineering, V.R. Siddhartha Engineering College, Vijayawada, Andhra Pradesh, India. ' Department of Mechanical Engineering, NIT Calicut 673 601, Kerela, India. ' Fracture Analysis Section, SDA Division, VSSC, Trivandrum 695 022, Kerela, India. ' Scientist 'SF', Mechanical Engineering, Entity, VSSC Trivandrum 695022, Kerela, India

Abstract: The rotational speeds in high-speed machining and mechanical micromachining are very high. At such high speeds, machine vibrations play an important role in the stability of the machining process. Stable-machining process is critical in maintaining surface and product quality. An important analytical tool that has been developed to aid in the selection of stable cutting parameters is the stability lobe diagram. In this paper, an algorithm was developed for the construction of stability lobe diagram. A stability lobe diagram was constructed for both high-speed milling and micromilling using the same algorithm. The algorithm was found to be satisfactory for both high-speed milling and micromilling.

Keywords: high-speed milling; micromilling; regenerative chatter; stability lobe diagram; analytical prediction; machine vibration.

DOI: 10.1504/IJMTM.2008.016768

International Journal of Manufacturing Technology and Management, 2008 Vol.13 No.2/3/4, pp.146 - 168

Published online: 22 Jan 2008 *

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