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Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium

This research presents performance of nitrogen gas as a coolant in machining titanium. Compressed nitrogen gas stored in a cylindrical tank is supplied to the cutting zone via the stainless steel tube of 2x8x25mm (inside diameter x outside diameter x length) connected to the flexible hose and specia...

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Main Author: Thet, Thet Mon
Format: Article
Language:English
Published: Trans Tech Publications 2011
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/2041/1/
http://umpir.ump.edu.my/id/eprint/2041/
http://www.scientific.net/AMM.52-54.2003
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spelling my.ump.umpir.20412017-01-11T03:37:55Z http://umpir.ump.edu.my/id/eprint/2041/ Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium Thet, Thet Mon TJ Mechanical engineering and machinery This research presents performance of nitrogen gas as a coolant in machining titanium. Compressed nitrogen gas stored in a cylindrical tank is supplied to the cutting zone via the stainless steel tube of 2x8x25mm (inside diameter x outside diameter x length) connected to the flexible hose and specially-designed valve with pressure controller. Machining experiments are carried out on conventional turning center. The cutting tool used is triangular insert of ISO-TPGN160308 with the holder (ISO-CTGPR3232K). The cutting insert grade is KC5010 (TiAlN3 coated carbide) as recommended by Kennametal for machining titanium. During machining, the tube is manually directed to be just-above the tool rake face and the nitrogen gas is supplied with high pressure so that the cutting zone receives an effective cooling as well as the chip brakes easily. The effectiveness of this new cooling strategy is demonstrated by the cutting edge condition and surface finish after machining at various speeds, and also by comparing with performance of conventional coolant. The result is found to be excellent in terms of relative amount of tool wear and surface finish. The cutting insert has surprisingly remained almost intact when using nitrogen gas coolant whereas severe tool wear occurred with conventional coolant even at low cutting speed. This cryogenic strategy also improved machined surface quality greatly. Trans Tech Publications 2011 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/2041/1/ Thet, Thet Mon (2011) Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium. Applied Mechanics and Materials, 52 (54). pp. 2003-2008. ISSN 1662-7482 http://www.scientific.net/AMM.52-54.2003
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Thet, Thet Mon
Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
description This research presents performance of nitrogen gas as a coolant in machining titanium. Compressed nitrogen gas stored in a cylindrical tank is supplied to the cutting zone via the stainless steel tube of 2x8x25mm (inside diameter x outside diameter x length) connected to the flexible hose and specially-designed valve with pressure controller. Machining experiments are carried out on conventional turning center. The cutting tool used is triangular insert of ISO-TPGN160308 with the holder (ISO-CTGPR3232K). The cutting insert grade is KC5010 (TiAlN3 coated carbide) as recommended by Kennametal for machining titanium. During machining, the tube is manually directed to be just-above the tool rake face and the nitrogen gas is supplied with high pressure so that the cutting zone receives an effective cooling as well as the chip brakes easily. The effectiveness of this new cooling strategy is demonstrated by the cutting edge condition and surface finish after machining at various speeds, and also by comparing with performance of conventional coolant. The result is found to be excellent in terms of relative amount of tool wear and surface finish. The cutting insert has surprisingly remained almost intact when using nitrogen gas coolant whereas severe tool wear occurred with conventional coolant even at low cutting speed. This cryogenic strategy also improved machined surface quality greatly.
format Article
author Thet, Thet Mon
author_facet Thet, Thet Mon
author_sort Thet, Thet Mon
title Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
title_short Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
title_full Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
title_fullStr Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
title_full_unstemmed Performance of Cryogenic Machining with Nitrogen Gas in Machining of Titanium
title_sort performance of cryogenic machining with nitrogen gas in machining of titanium
publisher Trans Tech Publications
publishDate 2011
url http://umpir.ump.edu.my/id/eprint/2041/1/
http://umpir.ump.edu.my/id/eprint/2041/
http://www.scientific.net/AMM.52-54.2003
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score 13.211869

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