Influence of Cutting Speed and Offset Distance over Cutting Tool Vibration in Multi-Tool Turning Process

Abstract:

Multi-tool turning process employs more than one cutting tool for machining the work piece simultaneously. In the conventional turning process, effect of machining parameters over cutting forces, vibration, work piece surface finish and dimensional tolerances have been discussed in detail, however no attempt has been made in the multi-tool turning process. Cutting tool vibration is very important as it reveals the condition of cutting tool as well as work piece quality. In this study, a second cutting tool is introduced at the rear side of the lathe with some distance from conventional front cutting tool to machine the work piece simultaneously. Accelerometers are used to measure the vibration signals in the tangential direction of cutting. Obtained time domain vibration signals are converted to frequency domain signals by Fast Fourier Transform to reveal its power spectral density. In this work cutting speed and distance between front and rear cutting tool are varied to understand the cutting tool vibration. With increase in cutting speed and increase in distance between front and rear cutting tool, vibration reduces.

• Periodical: Advanced Materials Research (Volumes 984-985)
• Pages: 100-105
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.984-985.100
• Online since: July 2014
• Authors: R. Kalidasan*, V. Ramanuj, D.K. Sarma, S. Senthilvelan
• Keywords: Cutting Speed, Multi-Tool Turning Process, Offset Distance, Power Spectral Density

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