The Correlation Between Machinibility And Surface Roughness In CNC Lathe Machining

Amran, Nur Hazira (2018) The Correlation Between Machinibility And Surface Roughness In CNC Lathe Machining. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Surface finish is the predominant characteristic for machined component to evaluate their quality. Surface finish gives great effect on the performance or functioning of mechanical parts and production costs. The present studies investigate about the surface quality in turning operation of Aluminum Alloy 6061 and Mild Steel AISI 1060 on CNC OKUMA LB-R Lathe machine. Three parameters namely spindle speed, feed rate, and depth of cut are varied to study their effects of machining parameters on the surface finish of the machined materials. Two machining condition was conducted which are machining under dry and coolant condition to determine the optimal surface roughness on the surface finish of Aluminum Alloy 6061 and Mild Steel 1060. An experiment on 1 inch diameter and 150mm long of both 32 Aluminum Alloy 6061 and Mild Steel AISI 1060 have been carried out. Surface Roughness of the machined materials was measured by using 3D Non-Contact Profilometer. Results showed that quality of materials depends on the certain value of cutting speed, feed rate and depth of cut. Besides, optimal surface roughness effective machining under coolant condition.

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