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Corresponding Author

Abdelaziz, Ali

Subject Area

Production Engineering and Mechanical Design

Article Type

Original Study

Abstract

The aim of the present study was to investigate tool wear and surface roughness generation in precision hard turning of stainless steel 316 using tungsten carbide tool. A set of turning tests were carried out under a range of cutting parameters with carbide insert tools. The data obtained from these experiments helped in analyzing and understanding the tool wear phenomena and generated surface roughness during the cutting process. These results showed an inverse relationship between the feed rate and the exhibited flank wear and crater wear over the applied range of feed rate. However, multiple wear mechanisms revealed after the turning tests, namely abrasion mechanism due to high pressure was observed on the flank of the tool, while diffusion mechanism exhibited on the tool face due to the high cutting temperature and led to crater wear. In additions, in contrast to the conventional turning process, nonlinear relationship was observed between the feed rate and surface roughness in case of precision turning operation.

Keywords

hard turning; crater wear; Flank wear; carbide tool; Surface roughness

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