Browsing by Author "I. Ishak"

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Influence of workpiece thickness and cutting speed to kerf shape and stria formation in laser cutting of acrylic resin plate

K. Saifullah; Mohd Sofian, Mohammad Rosbi; Md Tasyrif, Abdul Rahman; A.S., Fathinul-Syahir; I. Ishak (Universiti Malaysia Perlis, 2009-10-11)

In laser cutting process, the main factor to decide a maximum cutting speed and maximum thickness of a material is the laser power itself. Besides that, various factors such as process parameter, optical effect on a ...
A study of vibration analysis for gearbox casing using Finite Element analysis

Mohd Sofian, Mohammad Rosbi; Hazry, Desa; K. Saifullah; Md Tasyrif, Abdul Rahman; Khairul Salleh, Basaruddin; I. Ishak (Universiti Malaysia Perlis, 2009-10-11)

This paper contains the study about vibration analysis for gearbox casing using Finite Element Analysis (FEA). The aim of this paper is to apply ANSYS software to determine the natural vibration modes and forced harmonic ...