Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V

doi:10.1007/s12204-012-1346-1

上海交通大学学报（英文版） ›› 2012, Vol. 17 ›› Issue (6): 684-689.doi: 10.1007/s12204-012-1346-1

Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V

WU Jian1* (吴健), HAN Rong-di2 (韩荣第)

(1. School of Naval Architecture, Harbin Institute of Technology (Weihai), Weihai 264209, Shandong, China; 2. Department of Mechanical Manufacture and Automation, Harbin Institute of Technology, Harbin 150001, China)

出版日期:2012-12-31 发布日期:2012-12-30
通讯作者: HAN Rong-di2 (韩荣第) E-mail:wujianhit2008@yahoo.com.cn

Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V

WU Jian1* (吴健), HAN Rong-di2 (韩荣第)

(1. School of Naval Architecture, Harbin Institute of Technology (Weihai), Weihai 264209, Shandong, China; 2. Department of Mechanical Manufacture and Automation, Harbin Institute of Technology, Harbin 150001, China)

Online:2012-12-31 Published:2012-12-30
Contact: HAN Rong-di2 (韩荣第) E-mail:wujianhit2008@yahoo.com.cn

摘要/Abstract

摘要： Titanium alloy Ti6Al4V, as difficult-to-cut material, has poor machinability. Conventional cutting fluid serves as a coolant and lubricant. In green drilling, water vapor is recognized as an effective coolant; however, its lubrication properties are not well known in drilling. This paper investigates the friction characteristics between chip and tool in green drilling Ti6Al4V, compared with that in sliding and turning process. A friction evaluation model is developed based on the equivalent model of drilling, then is used to calculate the effective friction coefficient. Results indicate that the friction coefficient on the tool-chip interface is considerably reduced in drilling by water vapor, so the drilling forces decrease, too. The friction coefficient decreases as velocity increases in drilling, which is different from the law of sliding tests; the friction coefficient increases when the distance to chisel edge increases.

关键词: titanium alloy, green drilling, friction characteristics, drilling force

Abstract: Titanium alloy Ti6Al4V, as difficult-to-cut material, has poor machinability. Conventional cutting fluid serves as a coolant and lubricant. In green drilling, water vapor is recognized as an effective coolant; however, its lubrication properties are not well known in drilling. This paper investigates the friction characteristics between chip and tool in green drilling Ti6Al4V, compared with that in sliding and turning process. A friction evaluation model is developed based on the equivalent model of drilling, then is used to calculate the effective friction coefficient. Results indicate that the friction coefficient on the tool-chip interface is considerably reduced in drilling by water vapor, so the drilling forces decrease, too. The friction coefficient decreases as velocity increases in drilling, which is different from the law of sliding tests; the friction coefficient increases when the distance to chisel edge increases.

Key words: titanium alloy, green drilling, friction characteristics, drilling force

中图分类号:

TH 117.1

WU Jian1* (吴健), HAN Rong-di2 (韩荣第). Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V[J]. 上海交通大学学报（英文版）, 2012, 17(6): 684-689.

WU Jian1* (吴健), HAN Rong-di2 (韩荣第). Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V[J]. Journal of shanghai Jiaotong University (Science), 2012, 17(6): 684-689.

参考文献

[1] Choragudi A, Kuttolamadom M A, Jones J J, et al. Investigation of the machining of titanium components in light weight vehicles [C]//Proceedings of SAE 2010 World Congress & Exhibition. Detroit: SAE, 2010: 1-14.
[2] Ulutan D, Ozel T. Machining induced surface integrity in titanium and nickel alloys: A review [J]. International Journal of Machine Tools and Manufacture, 2011, 51(3): 250-280.
[3] Sharifa S, Rahim E A. Performance of coated- and uncoated-carbide tools when drilling titanium alloy Ti6Al4V [J]. Journal of Materials Processing Technology, 2007, 185(1-3): 72-76.
[4] Cantero J L, Tardo M M, Canteli J A, et al. Dry drilling of alloy Ti-6Al-4V [J]. International Journal of Machine Tools and Manufacture, 2005, 45(11): 1246-1255.
[5] Yang Jian-heng, Zhang Yong-zhen, Qiu Ming, et al. Wearing characteristic of Ti6Al4V in high dry Ssliding friction [J]. Journal of Materials Engineering, 2006, 50(sup1): 35-38 (in Chinese).
[6] Molinari A, Straffelini G, Tesi B, et al. Dry sliding wear mechanisms of the Ti6A14V alloy [J]. Wear, 1997, 208(1-2): 105-112.
[7] Straffelini G, Molinari A. Dry sliding wear of Ti-6Al-4V alloy as influenced by the counterface and sliding conditions [J]. Wear, 1999, 236(1-2): 328-338.
[8] Liu Y, Yang D Z, He S Y, et al. Dry sliding wear of Ti6Al4V alloy in air and vacuum [J]. Transactions of Nonferrous Metals Society of China, 2003, 13(5): 1137-1140.
[9] Wu X D, Wang D P, Yang S R, et al. Tribochemical investigation of tungsten carbide titanium alloy tribocouples under aqueous lubrication [J]. Wear, 2000, 237(1): 28-32.
[10] Li R, Shih A J. High-throughput drilling of titanium alloys [J]. Chinese Journal of Mechnical Engeering, 2007, 20(3): 62-66.
[11] Li R, Hegde P, Shih A J. High-throughput drilling of titanium alloys [J]. International Journal of Machine Tools and Manufacture, 2007, 47(1): 63-74.
[12] Sun S, Brandt M, Dargusch M S. Characteristics of cutting forces and chip formation in machining of titanium alloys [J]. International Journal of Machine Tools and Manufacture, 2009, 49(7-8): 561-568.
[13] Hong S Y, Ding Y C, Jeong W C. Friction and cutting forces in cryogenic machining of Ti-6Al-4V [J]. International Journal of Machine Tools and Manufacture, 2001, 41(15): 2271-2285
[14] Wu J, Han R D. A new approach to predicting the maximum temperature in dry drilling based on a finite element model [J]. Journal of Manufacturing Processes, 2009, 11(1): 19-30.
[15] Wu J, Han R D. An analytical evaluation of drilling temperature [J], Key Engineering Materials, 2009, 407-408: 400-403.
[16] Hastings W F, Mathew P, Oxley P L B. A machining theory for predicting chip geometry, cutting forces, etc., from work material properties and cutting conditions [C]//Proceedings of the Royal Society of London Series A, Mathematical and Physical Sciences. London: The Royal Society, 1980: 569.
[17] Qi Bao-yun, He Ning, Li Liang, et al. Effect of static cooling technology on the friction and wear properties of titanium alloy [J]. Journal of Harbin Institute of Technology, 2011, 43(5): 106-110 (in Chinese).

Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V

Friction Characteristics in Green Drilling Titanium Alloy Ti6Al4V

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 2

编辑推荐

Metrics

本文评价

[1]	GAI Xin, (盖欣), BAI Yun (白芸), LI Shujun (李述军), WANG Liao (王燎), AI Songtao (艾松涛), HAO Yulin (郝玉琳), YANG Rui (杨锐), DAI Kerong (戴尅戎). Review on Corrosion Characteristics of Porous Titanium Alloys Fabricated by Additive Manufacturing[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 416-430.
[2]	HUANG Tao (皇涛), WANG Kun (王锟), ZHAN Mei (詹梅), GUO Junqing (郭俊卿), CHEN Xuewen (陈学. Wall Thinning Characteristics of Ti-3Al-2.5V Tube in Numerical Control Bending Process[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(5): 647-653.