Optimization Of Drilling Parameters On Diameter Accuracy In Wet Drilling Process Of AISI D2 Tool Steel

Mohtar, Nursharina (2016) Optimization Of Drilling Parameters On Diameter Accuracy In Wet Drilling Process Of AISI D2 Tool Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text Optimization Of Drilling Parameters On Diameter Accuracy In Wet Drilling Process Of AISI D2 Tool Steel 24 Pages.pdf - Submitted Version Download (522kB)

Abstract

The aim of this project is utilize the Taguchi method as one of Design of Experiment (DOE) to investigate the diameter accuracy in the wet drilling process using of AISI D2 Tool steel. By using CNC machine of drilling operation with tool use High Speed Steel in different type of coating is reported. This research was carried out to describe about optimization of drilling parameters which are feed rate, spindle speed and type of drill bit to achieve optimal diameter accuracy. The value of hole diameter accuracy will be test by using Coordinate Measuring Machine. The types of drill bit with diameter of 11mm to be used such as High Speed Steel coated with Titanium Nitride (TiN), High Speed Steel coated with Titanium Carbon Nitride (TiCN) and High Speed Steel coated with Titanium Aluminium Nitride (TiAlN). A number of experiments layouts will be conducted using the L9 Orthogonal Array. Taguchi method is used for optimizing the cutting parameter for diameter accuracy in wet drilling operation can be determined. Analysis of variance (ANOVA) is used to determine the most significant control factors affecting the diameter accuracy. Confirmation test were done with the optimal levels of parameter are carried out in order to verify the effectiveness of the Taguchi optimization method.

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