ISSN (Online) : 2456 - 0774

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ISSN (Online) 2456 - 0774



Abstract: Machining isa complex process in which many variable can detrimental the desired result.Technology is advancing demand is also increasing. Now a days the challenge ofmodern machining industries are mainly focused on the achievement of high qualitydimensional accuracy of work piece ,surface finish ,high production rate ,lesswear on the cutting tools and economy of the machining. For boring bar becauseof high length to diameter ratio deformation occurred as the overhang lengthincrease and because of such self-excitation vibrations develop in themachining setup which limited the productivity, ultimately more machining timerequired and coarse surface finish is obtained. In this paper Finite elementanalysis of boring bar carried out in ANSYS .17 software 8 node solid 185chosen for analysis at different overhang length for prediction of totaldeformation and von misses stress & optimum overhang length chosen forexperimentation work and also analysis is done of hollow boring bar with differentmaterial particle in order to investigation of effects of material density onthe deformation of the boring bar. This paper proposed particle damping methodalong with squeeze film of fluid in order to suppress the effect of chatter inboring operation. The experiments were performed using solid and modifiedboring tool. Boring experiments were planned by Taguchi method L9 orthogonalarray. Three levels for spindle speed, feed rate, depth of cut and tooloverhang were chosen as cutting variables. The obtained experimental data hasbeen analyzed using signal to noise ratio. The main effects have been discussedand optimal cutting conditions have been determined. The overall work on thisfield is aim to investigate the optimal solution to give better results likegood surface finish, machining time, excellent productivity etc.

Keywords: Boring Tool, Tuned Mass Damper, Precision Turning, ChatterTaguchi Method

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