Experimental estimation of friction force in lubricated cutting of steel

Pottirayil, Anirudhan; Kailas, Satish V.; Biswas, SK

doi:10.1016/j.wear.2010.05.012

Cited by 15 publications

(11 citation statements)

References 28 publications

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“…The same mechanism operates, but much less efficiently, when the rubbing happens on a nascent surface. Therefore, a true description of the friction generated by cutting can only be done when the tribofilm generated during cutting is tested for friction and not when it got altered by exposure to the environment [9,11]. Frictional force and roughness of GCF measured were found to be comparable with that of commercial cutting fluids.…”

Section: Resultsmentioning

confidence: 95%

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Study and Comparison of Lubricity of Green and Commercial Cutting Fluid Using Tool-Chip Tribometer

Parayantayyathu¹,

Vasu

2018

Tribology Online

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A lubricant is a substance introduced between surfaces in mutual contact to reduce friction, which ultimately reduces the heat generated when the surfaces move. Liquid lubricant, designed specifically for metalworking processes, such as turning, drilling, milling etc. is known as cutting fluids (CF). Cutting fluid is a blend or combination of oil, emulsifier and additives, mostly derived from chemicals or petroleum products. However, it has got many side effects as it is toxic and harmful to environment during its disposal. Hence, vegetable based cutting fluid or green cutting fluid (GCF) is being developed and gaining importance with time. Properties of these cutting fluids are dependent on the nature of the base-oil, nature of surfactants and the properties of water used to make the CF. These fluids act on the nascent surfaces generated during cutting to form a low friction boundary layer as they slide past the cutting tool. We propose a unique tool-chip tribometer (TCT) in which these boundary layers, formed by the action of lubricants on freshly cut surfaces, can be generated and their tribological properties alone studied in isolation. This equipment can be used to study the fundamental mechanisms of the lubrication using emulsions on nascent surfaces and can be used in optimizing the composition of such fluids. The scope of this work is to assess different cutting fluids in this tool-chip tribometer. The tribological performances of metal cutting on nascent surfaces are compared. Unlike in the conventional methods of assessing the lubricity of cutting fluids using cutting tests, here the friction has been evaluated separately from cutting forces.

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Section: Resultsmentioning

confidence: 95%

“…To make perfect choice of fluids, it is important to consider not only the performance characteristics of the fluids but also other factors such as waste treatment, disposal cost, fluid life, resistance to microbial attack, etc. [10,11]. Tool-chip tribometer is a promising machine for cutting fluid or emulsion related study.…”

Section: Resultsmentioning

confidence: 99%

Study and Comparison of Lubricity of Green and Commercial Cutting Fluid Using Tool-Chip Tribometer

Parayantayyathu¹,

Vasu

2018

Tribology Online

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“…Meanwhile, the freshly cut surface also decided the friction state. 67 The chemical mechanisms of cutting fluid included chemical interactions between various participating surfaces and the chemical state of the machined surface. 68 Adsorption or reaction layers were generated on the surface after machining, which could not be removed by a normal cleaning process.…”

Section: Research Status Of Cutting Fluidmentioning

confidence: 99%

The effect of cutting fluids applied in metal cutting process

Pei

Rong

Wang

2015

Proceedings of the Institution of Mechanical Engineers, Part B:

130

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Due to the development of new engineering materials and high-speed cutting, cutting fluid plays an important role in machining. Commonly, the use of cutting fluid can decrease cutting temperature, reduce the friction between tool and workpiece, extend tool life, and improve machining efficiency and surface quality. These effects of cutting fluid were mainly obtained from its basic functions including cooling, lubrication, corrosion protection, and cleaning. According to the review of the researches in cutting fluids applied in metal cutting process, the available researches mainly focused on the application strategies and penetration capability, processing performance, new types of environmentally friendly cutting fluids, and preliminary machined surface quality. This article also suggests that the effect of cutting fluid on machined surface quality and performance will become an important research direction. There is a matching problem between the cutting fluids and the workpiece materials. Further research on effect of cutting fluids on machined surface should include physical and chemical mechanism of the cutting fluid, action mechanism on fresh machined surface during machining process, action mechanism in the period of long-term service, stability of the composition and physical and chemical properties, and evaluation method of the effective use of cutting fluid.

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“…Acidity or alkalinity of a metal processing medium is a strong factor of metal corrosion. Maintaining the medium at a neutral pH protects the metal against corrosion (especially copper and aluminium) [66].…”

Section: Ph Valuesmentioning

confidence: 99%

Eco‐Friendly Vegetable Oil‐Based Metalworking Fluid (MWFs) from Modification of Glycolyzed Products of Polyurethane

Negm

El-Sukkary

Sayed

et al. 2016

J Surfact & Detergents

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In order to produce environmentally friendly and efficient metalworking fluids and also to reduce the impact of waste polyurethane polymer in the environment, polyurethane polymers were recycled in a novel process. Waste polyurethane foam was glycolyzed using polyethylene glycol 400 to give the glycolyzed product (GPU). The GPU was esterified using oleic acid, linoleic acid, and acids obtained from hydrolysis of rapeseeds oil, coconut oil, and castor oil to obtain GPUO, GPUL, GPUA, GPUB, and GPUC, respectively. The prepared additives were used as emulsifiers in the formulation for metalworking fluid application in the presence of rapeseed oil, coconut oil, and castor oil as environmentally friendly oils. The results showed good stability of the prepared water-vegetable oil emulsions. The pH, specific gravity, kinematic viscosity at 40 and 100°C, surface tension, and anticorrosion tests of the prepared formulation showed acceptable results compared with the published data for several metalworking fluid formulations.

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Experimental estimation of friction force in lubricated cutting of steel

Cited by 15 publications

References 28 publications

Study and Comparison of Lubricity of Green and Commercial Cutting Fluid Using Tool-Chip Tribometer

Study and Comparison of Lubricity of Green and Commercial Cutting Fluid Using Tool-Chip Tribometer

The effect of cutting fluids applied in metal cutting process

Eco‐Friendly Vegetable Oil‐Based Metalworking Fluid (MWFs) from Modification of Glycolyzed Products of Polyurethane

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