Analysis of the OCHN3MFA steel in terms of cutting forces and cutting material flank wear mechanisms in hard turning processes

• Autorzy: Majerík Jozef , Barényi Igor , Pokorný Zdenek , Sedlák Josef , Neumann Vlastimil , David Dobrocký , Jaroš Aleš , Krbata Michal , Jambor Jaroslav , Kusenda Roman , Sagan Miroslav , Procházka Jiri

Identyfikatory

DOI

10.24425/bpasts.2021.139203

• Języki publikacji: EN

Abstrakty

EN

This article deals with the effect of selected machining parameter values in hard turning of tested OCHN3MFA steel in terms of SEM microstructural analysis of workpiece material, cutting forces, long-term tests, and SEM observations of flank wear VB and crater wear KT of used changeable coated cemented carbide cutting inserts in the processes of performed experiments. OCHN3MFA steel was selected as an experimental (workpiece) material. The selected experimental steel was analyzed prior to hard turning tests to check the initial microstructure of bulk material and subsurface microstructure after hard turning and chemical composition. Study of workpiece material’s microstructure and worn cemented carbide cutting inserts was performed with Tescan Vega TS 5135 scanning electron microscope (SEM) with the X-Ray microanalyzer Noran Six/300. The chemical composition of workpiece material was analyzed with Tasman Q4 surface analyzer. All hard turning experiments of the used specimens were performed under the selected machining parameters in the SU 50A machine tool with the 8th selected individual geometry of coated cementite carbide cutting inserts clamped in the appropriate DCLNR 2525M12-M type of cutting tool holder. During the hard turning technological process of the individual tested samples made of OCHN3MFA steel, cutting forces were measured with a Kistler 9257B piezoelectric dynamometer, with their subsequent evaluation using Dynoware software. After the long-term testing, other experiments and results were also realized, evaluating the influence of selected machining parameters with different cutting insert geometry on the achieved surface quality.

Słowa kluczowe

EN

mechanical properties; microstructural analysis; cutting forces; flank wear; crater wear

PL

właściwości mechaniczne; analiza mikrostrukturalna; siły tnące

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2021
• Tom: Vol. 69, nr 6
• Strony: art. no. e139203
• Opis fizyczny: Bibliogr. 18 poz., tab., fot., wykr.

Twórcy

autor

Majerík Jozef

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Barényi Igor

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Pokorný Zdenek

• Department of Mechanical Engineering, University of Defence in Brno, Brno, Czech Republic

autor

Sedlák Josef

• Department of Manufacturing Technology, Brno University of Technology, Brno, Czech Republic

autor

Neumann Vlastimil

• Department of Combat and Special Vehicles, University of Defence in Brno, Brno, Czech Republic

autor

David Dobrocký

• Department of Mechanical Engineering, University of Defence in Brno, Brno, Czech Republic

autor

Jaroš Aleš

• Department of Manufacturing Technology, Brno University of Technology, Brno, Czech Republic

autor

Krbata Michal

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Jambor Jaroslav

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Kusenda Roman

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Sagan Miroslav

• Department of Engineering, Alexander Dubcek University of Trencin, Trencin, Slovak Republic

autor

Procházka Jiri

• Department of Mechanical Engineering, University of Defence in Brno, Brno, Czech Republic

Bibliografia

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Uwagi

This work was supported by the Slovak Research and Development Agency under contract No. APVV-15‒0710 and by the Brno University of Technology, Faculty of Mechanical Engineering, Specific research 2019, with the grant “Research of perspective production technologies”, FSI-S-19‒6014, as well as by University of Defence in Brno by the Research Project for the Development of the Organization “DZRO Military autonomous and robotic systems”.