Air-liquid lubricant and coolant aerosols in machining

Kurnosov, N. E.; Тарнопольский, А. В.

doi:10.3103/s1068798x07100085

Cited by 7 publications

(3 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We will find by studying the formed jet that most of the mass of oil sprayed in drops is concentrated towards the spray axis, and outside the jet there is a smaller amount of oil and thus much smaller drops. Figure 1 shows schematically such an MQL system, [9]. This concentration of lubricant drops decreases in amount in the radial direction due to the interaction with the ambient air.…”

Section: Parameters Of the Cutting Processmentioning

confidence: 99%

Silesian University of Technology, Gliwice, Poland

Olaru¹

2022

IJMMT

View full text Add to dashboard Cite

An efficient MQL system (Minimal Quantity Lubrification) ensures the proper cooling of the various moving parts, resulting in the cutting process on the machine tools. The introduction of MQL systems responds to the growing demand in the industry with a whole host of real benefits. The geometry of the nozzle influences the flow parameters of the coolant; these parameters can also be influenced by the nature of the fluid or liquids used. The nozzle of the cooling system has a convergent-divergent geometry, the dispersion of the fluid in the areas to be processed being better. A high temperature in the working area above a certain critical value can be harmful to the quality of the surface and can have some negative influences on the life of the cutting tool. MQL-type cooling systems combine different cooling fluids to achieve better cooling and lubrication of the cutting area. Following the simulations performed, the coolant speeds depend on the length of the analyzed nozzle, we can see that the speed has a lower value in the initial section of the nozzle which increases at the nozzle outlet. After exiting the convergence-divergence nozzle, the fluid jet velocity decreases in proportion to the fluid jet length, the simulation of these phenomena can optimize the geometry for the chosen purpose. The present paper aims to analyze the types of coolants and their correct choice, temperature control resulting from the cutting process is achieved due to the correct distribution of cooling fluids in the processing area, optimization can be achieved through computer simulation.

show abstract

Section: Parameters Of the Cutting Processmentioning

confidence: 99%

Silesian University of Technology, Gliwice, Poland

Olaru¹

2022

IJMMT

View full text Add to dashboard Cite

show abstract

“…They could also change the PH of the cutting fluid and increase the risk of corrosion on the machine tool and work piece. They can be harmful of the working environment [8,9].…”

Section: Introductionmentioning

confidence: 99%

An Optimization Study of Fluid Jet Flow in a Convergent Divergent Nozzle Geometry Used for the Cooling Systems of Machine Tools

Olaru

2014

AMR

View full text Add to dashboard Cite

In this work it was performed a fluid mechanical study of cooling systems for metal cutting. In these machine tools are developed temperatures processing this should be minimized so as not to damage of the tool durability. Therefore should correlate pressures, temperatures and fluid flows used. Also the physical characteristics of fluids used are important for better cooling of the tool in the work area. All these factors lead to a better surface of machined area.

show abstract

“…A nozzle is generally a device that increases the velocity of a fluid flow at the expense of this pressure, the flow of fluid through nozzles may be regarded as adiabatic expansion. The nozzles have a special geometry to send a small amount of liquid but to have a good cooling effect [1].…”

Section: Introductionmentioning

confidence: 99%

A study of fluid flow simulation in convergent-divergent nozzles

Olaru

2015

IOP Conf. Ser.: Mater. Sci. Eng.

View full text Add to dashboard Cite

Abstract.A study of geometry nozzle is particularly important in optimizing the quantity of coolant in terms to minimize that quantity or coolant can be used for lubrication of machines moving parts. Coolants can be from the simplest (water, air) as well as a mixture of liquid (emulsions) to achieve a good cooling in function of temperature that develops in the area concerned. The study from this paper proposes an analysis and a simulation of flow through the convergent-divergent nozzle type to optimize them and to use a minimum quantity of coolant or lubricant. This study is focus on the analysis of cooling systems for cutting processes on machine tools.

show abstract

Air-liquid lubricant and coolant aerosols in machining

Cited by 7 publications

References 0 publications

Silesian University of Technology, Gliwice, Poland

Silesian University of Technology, Gliwice, Poland

An Optimization Study of Fluid Jet Flow in a Convergent Divergent Nozzle Geometry Used for the Cooling Systems of Machine Tools

A study of fluid flow simulation in convergent-divergent nozzles

Contact Info

Product

Resources

About