Tool life of high speed steel hardfaced with tool steel deposited by GMAW

Mohd Noh, Muhammad Izzuddin (2015) Tool life of high speed steel hardfaced with tool steel deposited by GMAW. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The main goal of this project is to ‘Study the Tool Life on Hardfaced High Speed Steel cutting tool’ and also the parameters optimization in producing a better tool life using cutting speed and feed rate as manipulated variables and depth of cut, material of cutting tool, type of coolant and coolant direction as constant variables. Aiming to achieve this goal, several turning experiments were carried out with different cutting speed and feed rate. When the tool reaches its wear in between 0.3 to 0.35mm, the experiment was stopped. The wear was determined by using microscope. The present study tested the hypothesis that tool wear of hardfaced cutting tool are better when compare with as received cutting tool. The proposed method uses an Optical Microscope to measure the wear of the high speed steel cutting tool employed in single-point turning operation. The results of this project was the hardfaced cutting tool did gives better tool life compared with as received cutting tool.

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