Optimizing Single Point Diamond Turning for Mono-Crystalline Germanium Using Grey Relational Analysis

Goel, Bhaskar and Singh, Sehijpal and S.V., Ramagopal (2014) Optimizing Single Point Diamond Turning for Mono-Crystalline Germanium Using Grey Relational Analysis. Materials and Manufacturing Processes, 30 (8). pp. 1018-1025. ISSN 1042-6914

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Official URL: http://www.tandfonline.com/doi/full/10.1080/104269...

Abstract

In this paper the results of an experimental study conducted for precision machining of mono-crystalline germanium with single point diamond turning (SPDT) have been reported. The input parameters include the top rake angle, tool overhang, depth of cut, tool feed rate, and rotational speed of the workpiece. The flat profile is generated on a disk of mono-crystalline germanium possessing three performance characteristics: surface roughness (Ra), profile error (Pt), and waviness error (Wa). The process parameters are optimized to obtain the best surface finish with minimum profile and waviness errors by using the Taguchi method. The grey relational analysis is employed for carrying out multiresponse optimization of performance parameters. The best value of surface finish obtained after multiresponse optimization is 10.7 nm having a profile error and a waviness error of 0.202 µm and 0.046 µm, respectively.

Item Type: Article
Uncontrolled Keywords: Diamond, Germanium, Grey relation, Mono-crystalline, Profile error, Surface roughness, Taguchi, Waviness error
Subjects: CSIO > Optics
Depositing User: Ms. Jyotsana
Date Deposited: 17 Feb 2017 11:53
Last Modified: 17 Feb 2017 11:53
URI: http://csioir.csio.res.in/id/eprint/593

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