Abstract
The paper presents the results of a comparative analysis of dynamic stability of SiC whisker reinforced alumina tools used in a conventional and prototype toolholders when turning a nickel-based superalloy Inconel 718. The use of the prototype toolholder with a cellular spatial structure is shown to significantly suppress vibrations during the machining operation and stabilize the cutting process within the cutting speed range between 200 and 500 m/min. Considering the identical nature of tool wear rate and the analytical ellaborations regarding the process dynamics, the above-mentioned benefits are related to damping properties of the proposed toolholder.
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Original Russian Text © O.A. Gutnichenko, V.M. Bushlya, J. M. Zhou, P. Avdovic, U. Simmons, J.-E. Ståhl, 2013, published in Sverkhtverdye Materialy, 2013, Vol. 35, No. 6, pp. 80–90.
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Gutnichenko, O.A., Bushlya, V.M., Zhou, J.M. et al. Dynamic stability of the process of turning nickel superalloys using a toolholder produced by selective laser sintering. J. Superhard Mater. 35, 391–398 (2013). https://doi.org/10.3103/S1063457613060075
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DOI: https://doi.org/10.3103/S1063457613060075