Evaluation of coolant concentration on the machiniability of carbon steel during end milling

Evaluation of coolant concentration on the machiniability of carbon steel during end milling

In machining, cutting tools are used to remove unwanted material from the surface of a workpiece. This operation will transform the mechanical energy into thermal energy, generating heat at a small location. The generated heat transferred into the workpiece, the removed material, the environment and...

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Main Author: Thangavelu, T. R. Anbarasan
Format: Thesis
Language:English
Published: 2007
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/9555/1/AnbarasanThangaveluMFKM2007.pdf
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id my-utm-ep.9555
record_format uketd_dc
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Thangavelu, T. R. Anbarasan
Evaluation of coolant concentration on the machiniability of carbon steel during end milling
description In machining, cutting tools are used to remove unwanted material from the surface of a workpiece. This operation will transform the mechanical energy into thermal energy, generating heat at a small location. The generated heat transferred into the workpiece, the removed material, the environment and also the tool. This directly affects the tool life, the cutting performance and the quality of the products especially the surface finish. The cutting fluid is used to act as the coolant to reduce the generated heat and as lubricant to reduce the friction during the cutting process. This study explores the influence of coolant concentration on tool life, surface roughness of the product and the cutting force during end milling of mild steel S50C. High Speed Steel end mill of 4 flutes was used at various cutting conditions in the investigation. A design of experiment was planned, whereby the coolant concentration with cutting speed and feed being the factors and tool life, surface roughness and cutting forces were treated as responses. Mathematical models on the above responses were established based on the experimental results. The results of this experiment show that coolant concentration significantly affects the tool life at certain milling condition especially lower cutting speed and lower feed. At higher feed or cutting speed conditions, the coolant concentration or the coolant itself does not have any impact on the tool life. Coolant concentration does not directly affects the surface roughness but its’ reaction with feed does influence the results. The influence of coolant concentration on cutting force is not significant in this experimentation.
format Thesis
qualification_level Master's degree
author Thangavelu, T. R. Anbarasan
author_facet Thangavelu, T. R. Anbarasan
author_sort Thangavelu, T. R. Anbarasan
title Evaluation of coolant concentration on the machiniability of carbon steel during end milling
title_short Evaluation of coolant concentration on the machiniability of carbon steel during end milling
title_full Evaluation of coolant concentration on the machiniability of carbon steel during end milling
title_fullStr Evaluation of coolant concentration on the machiniability of carbon steel during end milling
title_full_unstemmed Evaluation of coolant concentration on the machiniability of carbon steel during end milling
title_sort evaluation of coolant concentration on the machiniability of carbon steel during end milling
granting_institution Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department Faculty of Mechanical Engineering
publishDate 2007
url http://eprints.utm.my/id/eprint/9555/1/AnbarasanThangaveluMFKM2007.pdf
_version_ 1747814753850359808
spelling my-utm-ep.95552018-08-26T04:50:04Z Evaluation of coolant concentration on the machiniability of carbon steel during end milling 2007-06 Thangavelu, T. R. Anbarasan TJ Mechanical engineering and machinery In machining, cutting tools are used to remove unwanted material from the surface of a workpiece. This operation will transform the mechanical energy into thermal energy, generating heat at a small location. The generated heat transferred into the workpiece, the removed material, the environment and also the tool. This directly affects the tool life, the cutting performance and the quality of the products especially the surface finish. The cutting fluid is used to act as the coolant to reduce the generated heat and as lubricant to reduce the friction during the cutting process. This study explores the influence of coolant concentration on tool life, surface roughness of the product and the cutting force during end milling of mild steel S50C. High Speed Steel end mill of 4 flutes was used at various cutting conditions in the investigation. A design of experiment was planned, whereby the coolant concentration with cutting speed and feed being the factors and tool life, surface roughness and cutting forces were treated as responses. Mathematical models on the above responses were established based on the experimental results. The results of this experiment show that coolant concentration significantly affects the tool life at certain milling condition especially lower cutting speed and lower feed. At higher feed or cutting speed conditions, the coolant concentration or the coolant itself does not have any impact on the tool life. Coolant concentration does not directly affects the surface roughness but its’ reaction with feed does influence the results. The influence of coolant concentration on cutting force is not significant in this experimentation. 2007-06 Thesis http://eprints.utm.my/id/eprint/9555/ http://eprints.utm.my/id/eprint/9555/1/AnbarasanThangaveluMFKM2007.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:1104 masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering 1. The 2007 World Machine-Tool Survey at a Glance, http://www.gardnerweb.com/consump/survey.html 2. N. R. Dhar, M. M.A Khan, A study on effects of Minimum Quantity Lubricant (MQL) on temperature, tool wear and product quality in turning AISI 9310 steel, 2004 3. N.R. Dhar, M Kamruzzaman, Effects of cryogenic cooling on temperature, tool wear, surface roughness and dimensional deviation in turning AISI 8740 steel by coated carbides, 2004 4. Jack A. Goldstone , Thoughts On The Industrial Revolution, http://www.lse.ac.uk/collections/economicHistory/GEHN/GEHNPDF/GE HN9Goldstone.pdf 5. Metal cutting 4th Edition, Edward M Trent, Paul K Wright, Butterworth Heinemann 6. David A. Stephenson, John S. Agapiou, Metal Cutting Theory and Practice, Marcel Dekker, Inc. 682-684 7. A tutorial on cutting fluids in machining, http://www.mfg.mtu.edu/testbeds/cfest/fluid.html 8. E.O. Ezugwu1 , J. Bonney1 and K.A. Olajire1, The Effect of Coolant Concentration on the Machinability of Nickel-Base, Nimonic C-263, Alloy 9. M Rahman, J Sun, Y.S. Wong, Z.G. Wang, K.S Neo, C.H, Effects of cooling supply strategies and cutting conditions on tool life in end milling titanium alloy. 2005, International Conference on leading Edge Manufacturing in 21st Century. 133-137. 10. K.A. Abou-El-Hossein, S Ramesh, M Hamdi, K Benyounis, Bashir M. Tool Life of coated carbides in end milling of different mould steels. 20- 23 11. Shi Hyoung Ryu, Deok Ki Choi, Chong Nam Chu, 2006, Roughness and texture generation on end milled surfaces, International Journal of Machine Tools & Manufacture 46 (2006) 404-412. 12. Dae Kyun Baek, Tae Jo Ko, Hee Sool Kim, 2001, Optimization of feedrate in face milling operation using a surface roughness model,International Journal of Machine Tools & Manufacture 41 (2001) 451- 462 13. Dae Kyun Baek, Tae Jo Ko, Hee Sool Kim, 1997, A dynamic surface roughness model for face milling, Precision Engineering, 20 171-178 14. Babur Ozcelik, et al, The Statistical modeling of surface roughness in high-speed flat end milling, 2005, International Journal of Machine Tools & Manufacture 46 (2006) 1395-1402

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