Dry Grinding of Titanium Alloy Using Brazed Monolayer cBN Wheels Coated with Graphite Lubricant

被引：8

作者：

陈燕 ^{[1
]}

丁兰英 ^{[1
,2
]}

傅玉灿 ^{[1
]}

苏宏华 ^{[1
]}

吴杰 ^{[1
]}

徐九华 ^{[1
]}

徐鸿钧 ^{[1
]}

机构：

[1] College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics

[2] College of Engineering,Nanjing Agricultural University

来源：

TransactionsofNanjingUniversityofAeronauticsandAstronautics | 2014年 / 31卷 / 01期

关键词：

grinding; graphite lubricant; Ti-6Al-4V; grinding temperature; grinding force ratio;

D O I：

10.16356/j.1005-1120.2014.01.008

中图分类号：

TG580.6 [磨削加工工艺];

学科分类号：

摘要：

The purpose of this study is to investigate the effect of graphite lubricant on the dry grinding performance of Ti-6Al-4Valloy,using graphite-coated,brazed monolayer,cubic boron nitride(cBN)wheels.Brazed monolayer cBN wheels both with and without a coating of polymer-based graphite lubricant are fabricated and subsequently compared for grinding performance based on measurements of grinding temperature,surface microstructure and grinding.In terms of grinding temperature,considerable improvement in dry grinding performance of titanium alloy is achieved using coated brazed monolayer cBN wheels,with 42%—47%reduction in grinding temperature as opposed to uncoated wheels.The grinding force ratio with the coated wheels is observed to remain between 1.45to1.85despite material removal rates reaching up to 1 950mm3/mm.No tangible change in ground titanium surface microstructure is noted as a result of grinding with the graphite coated wheels as opposed to the uncoated ones.

引用

页码：104 / 110

页数：7

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