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Journal of Mechanical Engineering Science and Technology (JMEST)

Abstract

Vegetable oil-based cutting fluids are of great importance in supporting green and sustainable manufacturing. This research introduces a new groundbreaking vegetable lubricant formulated with canola oil as the base material, coupled with CaCO3 nanoparticles synthesized from scallop shell waste and used as a cutting fluid in the AISI 1045 CNC machining process steel sprayed with minimum quantity lubrication (MQL). This investigation delves into the thermophysical, rheological, and wear resistance of the developed bio-lubricant. The results of this analysis show density value increased in the canola + CaCO3 0.15% sample by 3.28% of the pure canola sample, as did the viscosity value, an increase occurred in the canola + CaCO3 0.20% sample, at a temperature of 40oC it increased by 31% and at a temperature of 100oC it increased 42% of the pure canola sample. Thermal conductivity testing also showed an increase in the canola + CaCO3 0.15% sample by 1.8% compared to the pure canola sample. Optimal performance in reducing cutting tool wear was observed in the canola + CaCO3 0.15% sample, resulting in a 30% reduction compared to pure canola samples. This reduction also led to the smoothest chip surface and a silver-colored chip. This advancement positions our canola oil-based cutting fluid as a high-performance and environmentally friendly substitute for traditional cutting fluids. The findings underscore its potential for widespread adoption by the industry, promising a transformative change towards sustainable and environmentally friendly machining.

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