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Influence of cooling conditions on the machining process under MQCL and MQL conditions

Radoslaw W. Maruda ; Faculty of Mechanical Engineering, University of Zielona Gora, 4 Prof. Z. Szafrana street, 65-516 Zielona Gora, Poland
Stanislaw Legutko orcid id ; Faculty of Mechanical Engineering and Management, Poznan University of Technology, 3 Piotrowo Street, 60-965 Poznan, Poland
Grzegorz M. Krolczyk ; Opole University of Technology, 76 Prószkowska Street, 45-758 Opole, Poland
Pero Raos orcid id ; J. J. Strossmayer University of Osijek, Mechanical Engineering Faculty in Slavonski Brod, Trg Ivane Brlić-Mažuranić 2, 35000 Slavonski Brod, Croatia

Puni tekst: hrvatski pdf 1.454 Kb

str. 965-970

preuzimanja: 464


Puni tekst: engleski pdf 1.454 Kb

str. 965-970

preuzimanja: 760



The paper presents the results of investigation of the influence of conditions of forming emulsion and oil mist on the chip shape and surface roughness of X10CrNi18-8 stainless steel during turning. In the tests, the following machining operations have been compared: dry machining, cooling by the MQCL (Minimal Quantity Cooling Lubricat) method, cooling by the MQL (Minimum Quantity Lubricat) method. The tests have been performed in two stages. In the first stage, the influence of the mass flow of the active medium on the chip shape and on the Ra and Rq roughness parameters of the machined surface have been determined. The purpose of stage two was to determine the influence of the MQL and MQCL method on the selected indices of the machining process as compared to dry machining as a function of variable cutting speed. It has been found that, under MQCL and MQL conditions, the area of formation of elemental chips and ones with the shape of short spirals is wider as compared to dry turning. With increased mass flow of emulsion and oil, tangled chip is formed. Cooling by the MQCL and MQL method results in reduction of the selected roughness parameter values by 2 % to 42 % as compared to dry machining.

Ključne riječi

emulsion mist, chip shape, MQCL, MQL, oil mist, surface roughness

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Podaci na drugim jezicima: hrvatski

Posjeta: 2.172 *