Optimization Of Drilling Parameter On Surface Roughness In Wet Drilling Process AISI D2 Tool Steel

Sidek, Siti Nurfarhana (2016) Optimization Of Drilling Parameter On Surface Roughness In Wet Drilling Process AISI D2 Tool Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text Optimization Of Drilling Parameter On Surface Roughness In Wet Drilling Process AISI D2 Tool Steel 24 Pages.pdf - Submitted Version Download (290kB)

Abstract

This project was carried out to determine the significant factor of surface roughness on AISI D2 Tool Steel in wet drilling process. The machining process were performed on the CNC Milling Machine DMC 635 V Ecoline. This project is run under wet drilling condition so the drilling process have use a coolant. The aim of this project is to optimize the parameter for the drilling process of AISI D2 Tool Steel on surface roughness utilizing the Taguchi Method. The parameter for the feed rate are 136 mm/min, 206 mm/min and 291 mm/min. The selected of spindle speed parameter for the wet drilling process are 723 rpm, 825 rpm and 940 rpm. And the last parameter that will be considered in this project is types of drilling tool which is High Speed Steel (HSS) coated with Titanium Nitride (TiN), High Speed Steel (HSS) coated with Titanium Carbon Nitride (TiCN) and High Speed Steel (HSS) coated with Titanium Aluminium Nitride (TiAlN). There are L9 of orthogonal array choosen which is include the 3 level and 3 factor. The surface roughness will be test by using Surface Roughness Tester Mitutoyo SJ-410. The value of S/N ratio and the value of mean surface roughness will be obtained from the Taguchi method in Minitab software. Lastly, the conformation test will be conducted to illustrate the validity of the result.

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