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Preheating in end milling of AISI D2 hardened steel with coated carbide inserts

Lajis , M.A. and Amin, A. K. M. Nurul and Karim, A.N. Mustafizul and Hafiz, A. M. K. (2010) Preheating in end milling of AISI D2 hardened steel with coated carbide inserts. Advanced Materials Research, 83-86. pp. 56-66. ISSN 10226680

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Abstract

This study was conducted to investigate the effect of preheating through inductive heating mechanism in end milling of AISI D2 hardened steel (60-62 HRC) by using coated carbide tool inserts. Apart from preheating, two other machining parameters such as cutting speed and feed were varied while the depth of cut constant was kept constant. Tool wear phenomenon and machined surface finish were found to be significantly affected by preheating temperature and other two variables. End milling operation was performed on a Vertical Machining Centre (VMC). Preheating of the work material to a higher temperature range resulted in a noticeable reduction in tool wear rate leading to a longer tool life. In addition, improved surface finish was obtained with surface roughness values lower than 0.4 um, leaving a possibility of skipping the grinding and polishing operations for certain applications.

Item Type: Article (Journal)
Additional Information: 4289/3154
Uncontrolled Keywords: preheated machining, hardened steels, tool wear
Subjects: T Technology > T Technology (General) > T55.4 Industrial engineering.Management engineering. > T58.7 Production capacity. Manufacturing capacity
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Prof. Dr. A. N. Mustafizul Karim
Date Deposited: 20 Nov 2012 20:18
Last Modified: 22 Jul 2013 12:56
URI: http://irep.iium.edu.my/id/eprint/3154

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