Study of vortex tube cooling system on tool wear and surface roughness using conventional machine

Mahmud, Norazilah (2017) Study of vortex tube cooling system on tool wear and surface roughness using conventional machine. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Vortex Tube is one of device can be used as coolant to cool down the temperature of cutting zone. The solution of problem environmental, the vortex tube is use to prevent that problem occur again. Besides that, cost for usage of vortex tube is very economical. In addition, this device is easy to adjust and no moving part included. The objective of this experiment is to identify the independent and dependent parameters that affect the tool wear and surface roughness when using vortex tube as cooling system. In addition, to analyse statistically the correlation between the cutting speeds, feed rate, type of coolant against surface roughness and tool wear. The last objective is to obtain optimum parameters for the lowest rate of tool wears and surface roughness. The experiment is conducted by using milling operation and D2 steel as workpiece. The design expert is used for analyse the data of experiment. Generally, the result of this experiment is better using Vortex tube as a coolant. The type coolant and feed rate are affecting the response, which is surface roughness. The optimum parameter for surface roughness is 120 mm/min for cutting speed and 0.1 mm/tooth for feed rate. From the observation analysis, tool wear was existed at insert such as flank wear and build up edge. Besides that, the chip analysis show experiment using vortex tube coolant has better performance than dry coolant. In addition, the analysis for surface of workpiece show experiment using dry coolant have rougher surface than experiment using vortex tube.

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