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Mechanisms of cutting blade wear and their influence on cutting ability of the tool during machining special alloys

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EN
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EN
With increased requirements for quality and shelf life of machined parts there is also a higher share of the use of material with specific properties that are identified by the term “superalloys”. These materials differ from common steels by mechanical and physical properties that cause their worse machinability. During machining of “superalloys” worse machinability has negative influence primarily on the amount of cutting edge wear, which shortens durability of the cutting tool. The goal of experimental activity shown in this contribution is to determine individual mechanisms of the cutting edge wear and their effects on the cutting ability during high speed machining of nickel superalloy. A specific exchangeable cutting insert made from cubic boric nitride was used for machining of the 625 material according to ASM 5666F. The criteria to evaluate cutting ability and durability of the cutting tool became selected parameters of surface integrity and quality of the machined surface.
Twórcy
autor
  • Department of Machining, Assembly and Engineering Metrology, Faculty of Technical Engineering, VSB-Technical University of Ostrava, 17 Listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic
autor
  • Department of Machining, Assembly and Engineering Metrology, Faculty of Technical Engineering, VSB-Technical University of Ostrava, 17 Listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic
autor
  • Department of Machining, Assembly and Engineering Metrology, Faculty of Technical Engineering, VSB-Technical University of Ostrava, 17 Listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic
autor
  • Department of Machining, Assembly and Engineering Metrology, Faculty of Technical Engineering, VSB-Technical University of Ostrava, 17 Listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic
  • Department of Machining, Assembly and Engineering Metrology, Faculty of Technical Engineering, VSB-Technical University of Ostrava, 17 Listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic
Bibliografia
  • 1. Stahl J-E., Metal cutting – Theories and models. Sweden: Division of Production and Materials Engineering. Lund University Sweden, 2012, pp. 580.
  • 2. Astakhov V.P., Davim J.P. Tools (Geometry and Material) and Tool Wear. Machining Fundamentals and Recent Advances, 2008, Hardcover.
  • 3. Zajac J., Jurko J., Cep R. Top trendy v obrábaní, II časť - Nástrojové materiály. Žilina: Media/St, s.r.o. Žilina, 2006, pp. 193.
  • 4. Sadílek M., Kratochvíl J., Petrů J., Cep R., Zlámal T., Stančeková D.: Cutting tool wear monitoring with the use of impedance layers. Tehnicki Vjesnik, 21(3), 2014, 639–644.
  • 5. ISO 3685:1993 (1993). Tool-life testing with single-point turning tools. Geneva, International Organization for Standardization, 48 p.
  • 6. Valášek P., Müller M.: Abrasive wear in three-phase waste based polymeric particle composites. Tehnicki Vjesnik-Technical Gazette, 12(2), 2015, 257-262.
  • 7. Müller M., Chotěborský R., Valášek P., Hloch. S.: Unusual possibility of wear resistance increase research in the sphere of soil cultivation. Tehnicki Vjesnik-Technical Gazette, 20(4), 2013, 641-646.
  • 8. Stancekova D., Semcer J., Rudawska A., Cep R.: Identification of drilling of biocompatible materials based on titanium. Manufacturing Technology, 15(4), 2015, 699-704.
  • 9. Shankar V., Bhanu Sankara Rao K., Mannan S.L. Microstructure and mechanical properties of Inconel 625 superalloy. Journal of Nuclear Materials, 288, 2001, 222-232.
  • 10. Neslušan M., Czán A., Obrábanie titánových a niklových zliatin. Žilina: Žilinská univerzita v Žilině, EDIS, 2001, pp. 189.
  • 11. Modern Metal Cutting, A practical Handbook, Sandvik Coromant.
  • 12. INSERTS - Ingersoll Cutting Tools: [Online], [Accessed 2014-12-11] URL: http://www.ingersollimc.com/en/products/CAT-003-1_07-Inserts.pdf
  • 13. Fulemová J., Řehoř J.: Influence of form Factor of the Cutting Edge on Tool Life during Finishing Milling. Procedia Engineering. Vídeň: Elsevier Ltd, 2015, 682-688.
  • 14. Petrů J., Petřkovská J., Zlámal T., Mrkvica I.. Resistance of Sintered Carbide Materials against Heat Shocks Induced by Cutting Process. Proceedings METAL’2014, 23rd International Conference on Metallurgy and Materials, Brno, Czech Republic, 142–147.
Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-19084f49-fd8b-44ab-9599-445d8f614e9b
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