Electrohydrodynamic Atomization for Minimum Quantity Lubrication (EHDA-MQL) in End Milling Ti6Al4V Titanium Alloy

被引：8

作者：

De Bartolomeis, Andrea ^{[1
]}

Shokrani, Alborz ^{[1
]}

机构：

[1] Univ Bath, Dept Mech Engn, Bath BA2 7AY, Avon, England

来源：

JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING | 2020年 / 4卷 / 03期

基金：

“创新英国”项目;

关键词：

machining; minimum quantity lubrication; titanium; electrohydrodynamic atomization; end milling; CHARGE LIMITS; DROPLETS; ELECTROSPRAY; SYSTEM; WEAR;

D O I：

10.3390/jmmp4030070

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Titanium alloy Ti6Al4V is a difficult-to-machine material which is extensively used in the aerospace and medical industries. Machining titanium is associated with a short tool life and low productivity. In this paper, a new cooling-lubrication system based on electrohydrodynamic atomization was designed, manufactured and tested and the relevant theory was developed. The major novelty of the system lies within the use of electrohydrodynamic atomization (EHDA) and a three-electrode setup for generating lubricant droplets. The system was tested and compared with that of flood, minimum quantity lubrication (MQL) and compressed air machining. The proposed system can extend the tool life by 6 and 22 times when compared with MQL and flood cooling, respectively. This is equivalent to more than 170 min tool life at 120 m/min cutting speed allowing for significant productivity gains in machining Ti6Al4V.

引用

页数：14

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