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Investigation on Wear Behavior and Chip Formation During Up-Milling and Down-Milling Operations for Inconel 718

Kasim, Mohd Shahir (2014) Investigation on Wear Behavior and Chip Formation During Up-Milling and Down-Milling Operations for Inconel 718. Jurnal Teknologi (Sciences and Engineering), 66 (3). pp. 15-21. ISSN 21803722

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Abstract

A comprehensive study and FEM simulation of ball nose end milling on tool wear behavior and chip formation had been performed on Inconel 718 (nickle-based superalloy) under minimum quantity lubricant (MQL) condition. In this paper, the investigation was focusing on the comparison of up-milling and down-milling operations using a multi-layer TiAlN/AlCrN-coated carbide inserts. A various cutting parameters; depth of cut, feed rate and cutting speed were considered during the evaluation. The experimental results showed that down-milling operation has better results in terms of tool wear compared to up-milling operation. Chipping on cutting tool edge responsible to notch wear with prolong machining. It was observed that the chips formed in up-milling operation were segmented and continuous, meanwhile down-milling operation produced discontinuous type of chips.

Item Type: Article
Subjects: T Technology > TS Manufactures
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Manufacturing Engineering > Department of Manufacturing Process
Depositing User: En. Mohd Shahir Kasim
Date Deposited: 25 Apr 2014 03:29
Last Modified: 28 May 2015 04:22
URI: http://eprints.utem.edu.my/id/eprint/12165

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