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Semcer Jan, Mario Drbul, Jozef Holubjak, Juraj Martincek and Jozef Rakoci

, 2010, pp. 45-46. [5] KAROLCZAK, P. - KOWALSKI, M. - SZMARA, A.: Application aiding rapid selection of cutting parameters on the example of aluminum alloys turning. Technological engineering 2/2010, 16-17, [6] http://www.princeton.edu [ 2013-03-11] [7] CZAN, A., SAJGALIK, M., HOLUBJAK, J., KOURIL, K.: Studying of cutting zone when finishing titanium alloy by application of multifunction measuring system, Manufacturing Technology, vol. 13, issue 4, 2013, pp. 428-431. [8] CZÁN, A.- NESLUŠAN,M. 2005 Trieskové obrábamie

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Dana Stančeková, Peter Ščotka and J. Hurka

.: Hardened material TURNING tools of cubic boron nitride In Technological engineering 1/2010, s. 43 - 44. ISSN 1336 - 5967 [5] HURKA, J.: Itensification of turning of flange in Volkswagen Slovakia. Diplomová práca, 2012 [6] KAROLCZAK, P. - KOWALSKI, M. - ŁUKASIK, L.: manufacturing costs of special cutting tools. In. Technologické inžinierstvo -Technological engineering 1/2009, ISSN 1336 - 5967 [7] KOUŘIL, K. - ČEP, R.: The development of new axial tools with edges of various cutting materials on defined diameters for the

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Bogdan Słodki

., Varga G., Possibility of reducing environmental load in hard machining , Key Engineering Materials, 496, 205-210, 2012. [6] Słodki B., Physical and technological aspects concerning chip curl and breaking in nickel based superalloys machining [in Polish: Fizyczne i technologiczne aspekty zwijania i łamania wiora w obrobce superstopow na bazie niklu , Seria Mechanika, 408, Wydawnictwo Politechniki Krakowskiej, 2012. [7] Przybylski L., Słodki B., The influence of Local Operating Features on Cutting Parameters in Turning , The

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Alberto Jiménez, Fernando Boto, Itziar Irigoien, Basilio Sierra and Alfredo Suarez

References [1] M. Murua, “Application of Advanced Regression Methods for Wear Prediction of Superalloys”, MT (2016). [2] S. Olovsjö, A. Wretland and G. Sjöberg, “The effect of grain size and hardness of wrought Alloy 718 on the wear of cemented carbide tools”, Wear, vol. 268, no. 9-10, pp. 1045-1052, 2010. [3] S. Sahu and B.B. Choudhury, “Optimization of Surface Roughness using Taguchi Methodology & Prediction of Tool Wear in Hard Turning Tools”, Materials Today: Proceedings, vol. 2, no. 4-5, pp. 2615-2623, 2015

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Michal Šajgalík, Anton Martikáň, Andrej Czán, Jozef Pile, Jozef Holubják and Jozef Mrázik

References [1] Y.B. Guo, A.W. Warren: The impact of surface integrity by hard turning vs. grinding on fatigue damage mechanisms in rolling contact. Surf. Coat. Technol. 203:291-299. doi: 10.1016/j.surfcoat.2008.09.005 [2] H. Stier: Cubic boron nitride to turn heat treated steel (column). Mod Mach Shop 4:1989. [3] B. Denkena, D. Boehnke, R. Meyer: Reduction of wear induced surface zone effects during hard turning by means of new tool geometries. Prod Eng Res Dev 2:123-132. doi: 10.1007/ s11740

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Michaela Samardžiová

References: 1. Available online [cit. 21. 10. 2016]: http://www.hembrug.com/hard-turning/hard-turning-process/ 2. GOSIGER, 2012. Fundamentals of hard turning. An Indepth Look at the Process. 2012. Available online [cit. 24. 10. 2016]. http://cdn2.hubspot.net/hub/139128/file-17761415-pdf/docs/gos_wp_hardturning_f.pdf 3. SANDVIK COROMANT. ©2015f. CNGA120408S01018A 7025 . Available online [cit. 13-02-2016]. http://www.sandvik.coromant.com/enus/products/pages/productdetails.aspx?c=CNGA120408S01018A%207025&m=5766804 4. SANDVIK COROMANT

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Natalia Znojkiewicz, Dariusz Korzeniewski and Martyna Wiciak

References [1] Aramesh M., Attia M. H., Kishawy H. A., Balazinski M.: Estimating the remaining useful tool life of worn tools under different cutting parameters: A survival life analysis during turning of titanum metal matrix composites (Ti-MMCs), CIRP Journal of Manufacturing Science and Technology, (2016), Vol. 12, p.35-43. [2] Chen J., Liu W., Deng X., Wu S.: Tool life and wear mechanism of WC-5TiC-0.5VC-8Co cemented carbides inserts when machining HT250 gray cast iron, Ceramics international, (2016), Vol. 42, p. 10037

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Łukasz Maniecki

locating the proper position of a planned fishway entrance near a hydropower tailrace, Limnologica , 43 , 339–347. Lupandin A. I. (2005) Effect of Flow Turbulence on Swimming Speed of Fish, Biology Bulletin , 32 , 461–466. Mao X., Fu J-J., Tuo Y-C., An R-D., Li J. (2012) Influence of structure on hydraulic characteristics of T shape fishway, Journal of Hydrodynamics , 24 , 684–691. Marriner B. A., Baki A. B. M., Zhu D. Z., Thiem J. D., Cooke S. J., Katopodis C. (2014) Field and numerical assessment of turning pool hydraulics in a vertical slot

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D. Rajeev, D. Dinakaran and S.C.E. Singh

R eferences [1] H. Aouci, M.A. Yallese, K. Chaoui, T. Mabrouki, and J.F. Rigal, “Analysis of surface roughness and cutting force components in hard turning with CBN tool: prediction model and cutting conditions optimization”, Measurement 45 (3), 344–353 (2012). [2] I. Asilturk and H. Akkus, “Determining the effect of cutting parameters on surface roughness in hard turning using the Taguchi method”, Measurement 44 (9), 1697–1704 (2011). [3] R. Suresh, S. Basavarajappa, and G.L. Samuel, “Some studies on hard turning of AISI 4340 steel using

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Jozef Mrazik, Pavol Martikan, Andrej Czan, Jozef Holubjak, Daniel Varga, Juraj Martince and Tatiana Czanova

. Deszpoth, I. Sztankovics, Some topiscs in process planning of rotational turning, Engineering Review, Vol. 34, Issue 1, 23-32, 2014 [6] J. Kundrák, I. Sztankovics, K. Gyáni, Analysis of the theoretical values of several characteristic parameters of surface topography in rotational turning, Interanational Journal of Mechanical, Aerospace, Industrial, Mechatronic an Manufacturing Engineering, Vol 8, no. 5,2014 [7] R. Cep, A. Janasek, J. Petru, M. Sadilek, P. Mohyla, J. Valicek, M. Harnicarova, A. Czan, Surface Roughness after Machining and