Experimental Analysis of Wear Mechanism and Tool Life in Dry Drilling of Al2024

Ali Davoudinejad; Sina Alizadeh Ashrafi; Raja Ishak Raja Hamzah; Abdolkarim Niazi

doi:10.4028/www.scientific.net/AMR.566.217

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 566Experimental Analysis of Wear Mechanism and Tool...

Experimental Analysis of Wear Mechanism and Tool Life in Dry Drilling of Al2024

Abstract:

Aluminum alloy is widely used in industry and various researches has been done on machiability of this material mainly due to its low weight and other superior properties. Dry machining is still interesting topic to reduce the cost of manufacturing and environmental contaminations. In present study dry machining of Al 2024 investigated on tool life, tool wear mechanisms, hole quality, thrust force and torque. Different types of high speed steel (HSS) tools utilized at constant feed rate of 0.04 mm/rev and cutting speeds within the range of 28 and 94 m/min. Experimental results revealed that HSCo drills, performed better than HSS drills in terms of tool life and hole quality. The main wear mechanisms which analyzed by scanning electron microscope found abrasive and adhesion wear on flank face, besides, BUE observed at chisel and cutting edges. However tool wear and BUE formation found more significant at high cutting speed. In terms of thrust force, two facet HSCo tools, recorded higher thrust force than four facet HSS drills.

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Periodical:

Advanced Materials Research (Volume 566)

Pages:

217-221

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.566.217

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Online since:

September 2012

Authors:

Ali Davoudinejad, Sina Alizadeh Ashrafi, Raja Ishak Raja Hamzah, Abdolkarim Niazi

Keywords:

Abrasive Wear, Built-Up Edge, Dry Drilling, Surface Roughness (SR), Tool Wear

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