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Evaluation on machined surface of hardened stainless steel generated by hard turning using coated carbide tools with wiper geometry

Mohd. Yusof, Noordin and Sharif, Safian and Kurniawan, Denny (2007) Evaluation on machined surface of hardened stainless steel generated by hard turning using coated carbide tools with wiper geometry. In: National Metallurgical Conference 2007 (NMC 2007), 2007, Johor Bahru.

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Abstract

Carbide cutting tools, which are inexpensive and widely used by machine shops, are alternatives for performing hard machining, yet limitations due to their low strength requires performance evaluation as well as appropriate selection of cutting parameters. In this study, a carbide tool with TiAlN coating with wiper geometry at the cutting edge is proposed for performing mild range of hard machining of martensitic stainless steel (48 HRC). The tool's performance was evaluated based on its tool life and the resulting surface finish when hard machining at various cutting speeds and feeds and at constant depth of cut without using cutting fluid (dry machining). Response surface methodology was used to quantify the effect of cutting speed and feed to the tool life and proposing the optimum cutting parameters. Further observation was made on the worn tool, the machined surface, and the generated chip to observe the process. Results showed that the wiper coated carbide tool are capable of performing particular hard machining.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:machined surface, stainless steel, wiper geometry
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:13970
Deposited By: Mrs Liza Porijo
Deposited On:16 Aug 2011 09:55
Last Modified:08 Aug 2017 07:45

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