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Analysis And Optimization Of Process Parameters Involved In Laser Beam Machining Of Stainless Steel (6MM And 8MM Thickness)

Siti Lydia, Rahim (2007) Analysis And Optimization Of Process Parameters Involved In Laser Beam Machining Of Stainless Steel (6MM And 8MM Thickness). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Stainless steel is an important engineering material that is difficult to be cut by oxy-fuel methods because of the high melting point and low viscosity of the formed oxides. However, it is suitable to be cut by laser. This work aims to evaluate the optimum laser cutting parameters for 6 mm and 8 mm thickness of stainless steel sheets by using laser beam and nitrogen as assistant gases. It was shown that the laser cutting quality depends on the cutting speed, gas pressure and focal distance. The optimum cutting was achieved during the gas pressure of 190 bar is applied for both sample thickness. Increasing the cutting speed and gas pressure decreased the burr height and the smoother surface cutting is obtained. However, regarding to those parameters, material is usable to cut because off high speed and low gas pressure. It is due to in sufficient time for heating diffusion and melting wider groove. This process occurs periodically and leads to development of the surface roughness and also on strias around the kerf edge.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Electric metal-cutting, Laser beam cutting, Electron beam cutting
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Library > Projek Sarjana Muda > FKP
Depositing User: Jefridzain Jaafar
Date Deposited: 03 Jun 2013 04:33
Last Modified: 28 May 2015 03:52
URI: http://eprints.utem.edu.my/id/eprint/7814

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