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Performance Evaluation of Cutting Fluids Developed from Fixed Oils

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Author(s): Sunday Albert LAWAL | Matthew Sunday ABOLARIN | Benjamin Iyenagbe UGHEOKE | Emmanuel Ogo ONCHE

Journal: Leonardo Electronic Journal of Practices and Technologies
ISSN 1583-1078

Volume: 6;
Issue: 10;
Start page: 137;
Date: 2007;
Original page

Keywords: Cutting fluids | Performance evaluation | Fixed oils | Viscosity | Acidic value

ABSTRACT
In this work, different cutting fluid emulsions of about 10% concentration were developed from fixed oils and the performance of each of the developed cutting fluid was evaluated by a direct comparison with as purchased conventional cutting fluid (control sample), using the ability of each sample to effectively perform as coolant and lubricant during machining operation as determinant. In the evaluation process, straight turning operation on lathe machine at various speeds, but equal time intervals of 10 minutes was used with a 2 mm/min feed rate. It was found that cutting fluid developed from groundnut oil (Sample B) performed best as coolant at all experimented speeds, with maximum temperature of 60.5° C at the working zone as against 71.39° C observed for the Control (Sample A). The viscosity 10.76 cSt of Sample B was however, higher than those of Samples A (4.79 cSt) and C (6.20 cSt). It was recommended that further work be done to synergize Samples B and C and the cooling effectiveness of the hybridized cutting fluid on the tool-chip interphase, as well as its lubricity be evaluated.