Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304

Chatter is an unwanted phenomenon in machining due to its adverse effects on the product quality, operation cost, machining accuracy, tool life, machine-tool bearings, and machine-tool life. The term defines the self-excited violent dynamic motion between the cutting tool and work piece [1]. Duri...

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Main Authors:	Amin, A. K. M. Nurul, -, Kok, Mahmud, Md. Asif
Format:	Book Chapter
Language:	English
Published:	IIUM Press 2011
Subjects:	TS Manufactures
Online Access:	http://irep.iium.edu.my/23586/ http://irep.iium.edu.my/23586/ http://irep.iium.edu.my/23586/4/chp7.pdf

id	iium-23586
recordtype	eprints
spelling	iium-235862012-09-05T03:16:39Z http://irep.iium.edu.my/23586/ Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304 Amin, A. K. M. Nurul -, Kok Mahmud, Md. Asif TS Manufactures Chatter is an unwanted phenomenon in machining due to its adverse effects on the product quality, operation cost, machining accuracy, tool life, machine-tool bearings, and machine-tool life. The term defines the self-excited violent dynamic motion between the cutting tool and work piece [1]. During high speed machining of steel, large amount of energy is used in shearing process and substantial energy is converted to heat. Heat generation becomes more intensified in machining of high strength materials because the machining process requires more energy than that in cutting a low strength material. The rapid escalation of temperature at the cutting zone is the primary cause accountable for high diffusion wear rate leading to shorter tool life. High tool wear rate leads to high degree of chatter and poor surface finish. It is therefore essential to design effective cooling systems to bring down the temperature at the cutting zones. Cryogenic cooling is being looked at as a potential replacement of conventional mineral oil based coolants because the latter is being rejected on grounds on serious environmental and health problems that it causes [2].Cryogenic cooling is the cooling approach to replace conventional coolant by liquefied gas in machining process [3].The impact of cryogenic cooling on chip breaking and tool wear intensity during end milling and turning has been investigated by various researchers [3-7], but there has not been any study on the impact of cryogenic cooling on chip formation and chatter.Tungsten-inert-gas (TIG) plasma heating could be used to replace Laser Beam heating and high frequency heating since TIG plasma heating also offers high heating capacity and at the same time the use of inert gas would be able to protect the work surface against oxidation during machining. In this research the TIG or tungsten-arc welding machine would therefore be used as an well controlled and precise heat source to preheat the uncut layer of the work material before it enters into the shearing zone. The major advantages of the plasma preheating are increased metal removal rates, results in no metallurgical damage to the work piece and increase in tool life [8].Similarly there has been some works [9] on the influence of workpiece preheating using induction heating on machinability of work materials and chatter during end milling operation, the application of preheating technique in turning should be explored further to confirm its effectiveness of different heating process. It was found that preheating resulted in substantial IIUM Press Amin, A. K. M. Nurul Adesta, Erry Yulian Triblas Ali, Mohammad Yeakub 2011 Book Chapter PeerReviewed application/pdf en http://irep.iium.edu.my/23586/4/chp7.pdf Amin, A. K. M. Nurul and -, Kok and Mahmud, Md. Asif (2011) Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304. In: Advanced Machining Towards Improved Machinability of Difficult-to-Cut Materials. IIUM Press, Kuala Lumpur, Malaysia, pp. 49-56. ISBN 9789674181758 http://rms.research.iium.edu.my/bookstore/default.aspx
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TS Manufactures
spellingShingle	TS Manufactures Amin, A. K. M. Nurul -, Kok Mahmud, Md. Asif Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
description	Chatter is an unwanted phenomenon in machining due to its adverse effects on the product quality, operation cost, machining accuracy, tool life, machine-tool bearings, and machine-tool life. The term defines the self-excited violent dynamic motion between the cutting tool and work piece [1]. During high speed machining of steel, large amount of energy is used in shearing process and substantial energy is converted to heat. Heat generation becomes more intensified in machining of high strength materials because the machining process requires more energy than that in cutting a low strength material. The rapid escalation of temperature at the cutting zone is the primary cause accountable for high diffusion wear rate leading to shorter tool life. High tool wear rate leads to high degree of chatter and poor surface finish. It is therefore essential to design effective cooling systems to bring down the temperature at the cutting zones. Cryogenic cooling is being looked at as a potential replacement of conventional mineral oil based coolants because the latter is being rejected on grounds on serious environmental and health problems that it causes [2].Cryogenic cooling is the cooling approach to replace conventional coolant by liquefied gas in machining process [3].The impact of cryogenic cooling on chip breaking and tool wear intensity during end milling and turning has been investigated by various researchers [3-7], but there has not been any study on the impact of cryogenic cooling on chip formation and chatter.Tungsten-inert-gas (TIG) plasma heating could be used to replace Laser Beam heating and high frequency heating since TIG plasma heating also offers high heating capacity and at the same time the use of inert gas would be able to protect the work surface against oxidation during machining. In this research the TIG or tungsten-arc welding machine would therefore be used as an well controlled and precise heat source to preheat the uncut layer of the work material before it enters into the shearing zone. The major advantages of the plasma preheating are increased metal removal rates, results in no metallurgical damage to the work piece and increase in tool life [8].Similarly there has been some works [9] on the influence of workpiece preheating using induction heating on machinability of work materials and chatter during end milling operation, the application of preheating technique in turning should be explored further to confirm its effectiveness of different heating process. It was found that preheating resulted in substantial
author2	Amin, A. K. M. Nurul
author_facet	Amin, A. K. M. Nurul Amin, A. K. M. Nurul -, Kok Mahmud, Md. Asif
format	Book Chapter
author	Amin, A. K. M. Nurul -, Kok Mahmud, Md. Asif
author_sort	Amin, A. K. M. Nurul
title	Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
title_short	Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
title_full	Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
title_fullStr	Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
title_full_unstemmed	Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304
title_sort	relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel aisi 304
publisher	IIUM Press
publishDate	2011
url	http://irep.iium.edu.my/23586/ http://irep.iium.edu.my/23586/ http://irep.iium.edu.my/23586/4/chp7.pdf
first_indexed	2023-09-18T20:35:37Z
last_indexed	2023-09-18T20:35:37Z
_version_	1777409026088239104

Relative performances of preheating, cryogenic cooling and hybrid turning of stainless steel AISI 304

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