INFLUENCE OF WEDM-TEXTURED TOOLS ON THE MACHINABILITY OF TITANIUM GRADE-23 ALLOY

Rima Singha Roy () and Kalipada Maity
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Rima Singha Roy: Department of Mechanical Engineering, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India
Kalipada Maity: Department of Mechanical Engineering, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India

Surface Review and Letters (SRL), 2022, vol. 29, issue 10, 1-21

Abstract: This study has been carried out to understand and reveal the efficacy of using surface-textured tools in the dry turning of Ti grade-23 alloys. The textures have been fabricated nearer to the primary cutting edge (in the rake face) and the secondary cutting edge (in the flank face) of the tool. The method used for texture fabrication is a nonconventional machining technique, Wire Electro-discharge Machining (WEDM). Micro-grooves/channels have been fabricated in the tools (rake face and flank face). The study also aimed to reveal the influence of texture pattern as well as its position on the cutting edges. The rake face-textured tools had four varieties: vertically textured (VT-R), diagonally textured (DT-R), horizontally textured (HT-R) and cross-textured (CT-R). On the other hand, the flank face had three varieties: cross-textured (CT-F), horizontally textured (HT-F) and vertically textured (VT-F). The cutting performance was measured and compared among the aforementioned different textured tools and nontextured (NT) ones in terms of the forces (Fx, Fy and Fz), temperature, tool wear and chip morphology. The study revealed that the textured tools performed better and the VT-R tool performed the best followed by the DT-R and VT-F tools as compared to NT ones for the dry turning of Ti grade-23 alloys.

Keywords: Ti grade 23; dry turning; surface texturing; WEDM; cutting forces; chip morphology; tool wear; cutting temperature (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X22501281

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