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Studying the lubricity of new eco-friendly cutting oil formulation in metal working fluid

Noor El-Din, MR and Mishrif, Marwa R and Kailas, Satish V and Suvin, PS and Mannekote, Jagadeesh K (2018) Studying the lubricity of new eco-friendly cutting oil formulation in metal working fluid. In: INDUSTRIAL LUBRICATION AND TRIBOLOGY, 70 (9). pp. 1569-1579.

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Official URL: http://dx.doi.org/10.1108/ILT-11-2017-0330

Abstract

Purpose This paper aims to formulate a new metal working fluid (MWF) composition including some eco-friendly emulsifiers, corrosion inhibitor, biocide, and non- edible vegetable oil (castor oil) as the base oil. To achieve this aim, five MWFs with different hydrophilic-lipophilic balance (HLB) value as 10, 9.5, 9, 8.5 and 8 were prepared to identify the optimum HLB value that gives a highly stable oil-in-water emulsion. The performance of castor oil based MWF was evaluated using tool chip tribometer and drill dynamometer. The surface morphology of steel disc and friction pin was performed using scanning electron microscope (SEM) and 3D profilometer. The results revealed that the use of the prepared cutting fluid (E1) caused the cutting force to decrease from 500 N for dry high-speed steel sample to 280N, while the same value for a commercial cutting fluid (COM) was recorded as 340 N at drilling speed and cutting feed force as 1120 rpm and 4 mm/min., respectively. Design/methodology/approach A castor oil-based metalworking fluid was prepared using nonionic surfactants. The composition of the metalworking fluid was further optimized by adding performance-enhancing additives. The performance of castor oil based MWF was analyzed using Tool chip tribometer and Drill dynamometer. The surface morphology of steel ball and a disc was done using 3D profilometer and SEM. Findings Studies revealed that castor oil-based MWF having Monoethanolamine (MEA) as corrosion inhibitor was found to be highly stable. The drilling dynamometer and tool chip tribometer studies showed that castor oil-based MWF performance was comparable to that of commercial MWF. Research limitations/implications This study aims to explore the performance of the castor oil based metalworking fluid (MWF) using tool chip tribometer and drill dynamometer. Practical implications The conventional MWFs are petroleum derives and are unsustainable. Use of non-edible plant-based oils for preparing the MWF will not only be conserved environment but also add value addition to agricultural crops. Social implications The social Implications is aiming to decrease the environmental impact that results from the using of mineral cutting fluids. Originality/value The originality of this work is to replace the mineral oil and synthetic oil based cutting fluids with more eco-friendly alternatives one. In addition, the investigation will focus on developing functional additives required for cutting fluids which are environmentally benign.

Item Type: Journal Article
Additional Information: Copyright of this article belong to EMERALD GROUP PUBLISHING LTD
Keywords: Metalworking fluids; Castor oil; Cutting oils; Emulsifier
Department/Centre: Division of Mechanical Sciences > Centre for Product Design & Manufacturing
Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 20 Dec 2018 05:06
Last Modified: 20 Dec 2018 05:06
URI: http://eprints.iisc.ac.in/id/eprint/61228

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