Effect of different tool edge conditions on wear detection by vibration spectrum analysis in turning operation

被引：14

作者：

Haddadi, E. ^{[1
]}

Shabghard, M.R. ^{[2
]}

Ettefagh, M.M. ^{[2
]}

机构：

[1] Technical Higher Education Center of Tabriz, Tabriz

[2] Department of Mechanical Engineering, University of Tabriz, Tabriz

来源：

Journal of Applied Sciences | 2008年 / 8卷 / 21期

关键词：

Tool geometry; Tool overhang; Tool wear; Turning conditions; Vibration spectrum;

D O I：

10.3923/jas.2008.3879.3886

中图分类号：

学科分类号：

摘要：

The present study is an experimental study on the effects of sharp and worn tools on the vibration frequency of the tool in turning operation. For this purpose, two forms of cutting were used that is orthogonal (knife edge tools) and oblique cutting (Vee shaped tools) conditions with varying rake angles and tool overhang. Machining test cuts were conducted on a CNC lathe machine (Okuma LH35-N) without coolant for different depth of cut. In addition, the work piece material was mild steel and the cutting tool was made of high speed steel (HSS). Flank wear and vibration signals were measured by surface texture and accelerometer instruments, respectively. The experimental results show that, the majority of the sensitive portion of the spectrum to sharp and worn conditions is within the frequency range of 0 to 3.5 kHz such that worn tools may be detected by increasing the spectrum amplitude. Also it was found that the proposed detection method is robust against changing of the rake angle and tool overhang conditions within the specified range. © 2008 Asian Network for Scientific Information.

引用

页码：3879 / 3886

页数：7

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