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RESEARCH PAPERS

An Experimental Study of the Drilling of Aramid Composites

[+] Author and Article Information
F. Veniali

Dipartimento di Ingegneria Meccanica, Università di Roma “Tor Vergata,” Roma, Italy

A. Di Ilio

Dipartimento di Energetica, Università di L’Aquila, L’Aquila, Italy

V. Tagliaferri

Istituto di Tecnologie ed Impianti Meccanici, Università di Genova, Genova, Italy

J. Energy Resour. Technol 117(4), 271-278 (Dec 01, 1995) (8 pages) doi:10.1115/1.2835423 History: Received July 26, 1993; Revised April 20, 1995; Online January 22, 2008

Abstract

Major drilling characteristics of Aramid fiber-reinforced plastics are experimentally investigated. The chip appears highly deformed and tends to smear on the tool. Forces and, mainly, torque are more influenced by the tool diameter than by the feed rate and cutting speed. On the contrary, the specific cutting energy strongly depends upon the feed rate due to size effects of the tool tip. The damage in the work, i.e., delamination at entry and exit side, can be controlled by taking into account the relationships between machining parameters and forces and torque. Generally, the tool fails by gross brittle failure at the periphery rather than by generalized land wear.

Copyright © 1995 by The American Society of Mechanical Engineers
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