Development of Cutting Fluid and Optimization of its Cutting Speed from Thevetia Peruviana Seeds Oil
Keywords:
Yellow oleander, cutting speed, seeds oil, viscosity index, optimizationAbstract
A cutting fluid was developed from Thevetia Pruviana Seeds Fluid (TPSF) also known as yellow oleander and its physiochemical properties and performance evaluation of the fluid were determined. The physiochemical properties showed a lower specific gravity, viscosity index, pH value, flash point and pour point as compared to a conventional castor oil. The flashpoint of TPSF (98ËšC) shows that it is of very low hazard to the operator and the environment, however, the pour point of TPSF (-1ËšC) is high compared with -43ËšC for the castor oil, which makes TPSF only suitable for tropical countries like Nigeria. Performance evaluation of the developed cutting fluid was compared with a conventional castor oil in machining operation on a lathe machine. It was found that both samples have similar cooling properties. The optimized cutting speed in terms of chip thickness, chip thickness ratio and cooling temperature was found to be 127.3 rpm.References
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