Tool Wear Performance of TiAlN/AlCrN Multilayer Coated Carbide Tool in Machining of AISI D2 Hardened Steel

N.A.H. Jasni; Mohd Amri Lajis; K. Kamdani

doi:10.4028/www.scientific.net/AMR.488-489.462

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 488-489Tool Wear Performance of TiAlN/AlCrN Multilayer...

Tool Wear Performance of TiAlN/AlCrN Multilayer Coated Carbide Tool in Machining of AISI D2 Hardened Steel

Abstract:

This paper presents the results of experimental investigation conducted on a vertical machining centre (VMC) to ascertain the effectiveness of TiAlN/AlCrN multilayer coated carbide inserts in end milling of AISI D2 hardened steel (58-62 HRC) In high-speed dry hard milling, different cutting speed (v) and radial depth of cut (d_r) were applied. Tool failure modes and wear mechanisms were examined at various cutting parameters. Flank wear, chipping and breakage at cutting edge were found to be the predominant tool failure for the cutting tools. Built-up edge, adhesion and abrasive are the wear mechanisms observed on the cutting tools. The highest volume of material removed, VMR attained was 1500 mm3, meanwhile the highest tool life (T) was 4.97 min. The surface roughness, Ra values from 0.20 to 0.45 μm can be attained in the workpiece with a high volume material removed. The relationship of tool wear performance and surface integrity was established to lead an optimum parameter in order to have high volume material removed, maximum tool life as well as acceptable surface finish.

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Periodical:

Advanced Materials Research (Volumes 488-489)

Pages:

462-467

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.488-489.462

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Online since:

March 2012

Authors:

N.A.H. Jasni, Mohd Amri Lajis, K. Kamdani

Keywords:

Hard Milling, Surface Roughness (SR), TiAlN/AlCrN Multilayer Coated Carbide, Tool Wear, Wear Mechanism

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