School of Manufacturing Engineering (Articles): Recent submissions
Now showing items 61-80 of 125
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A method for assessing productivity in unbuffered assembly processes
(Emerald Group Publishing Limited, 2013)Purpose – The purpose of this paper is to study and perform a system analysis of car assembly line processes, to show productivity losses and their causes, and to derive a mathematical model of the productivity rate of the ... -
Yttria stabilized zirconia formed by micro ceramic injection molding: Rheological properties and debinding effects on the sintered part
(Elsevier, 2013-04)Micro Ceramic Injection Molding (μCIM) is a near net-shape process to produce smaller and intricate parts at a competitive cost. The application of nano-sized ceramic powder in μCIM has the advantages of fine grain size ... -
Maintenance decision-making process for a multi-component production unit using output-based maintenance technique: A case study for non-repairable two serial components' unit
(RAMS Consultants, 2013-05)This paper presents the maintenance decision-making process for the case of a multi-component unit based on output-based maintenance (OBM) technique. OBM is an innovative maintenance technique that applies condition based ... -
Convergence of finite element model for crushing of a conical thin-walled tube
(Elsevier B.V., 2013)In this paper, a convergence of finite element model using different types and sizes of mesh modes has been conducted. A thin-walled conical tube was modeled using plane shell element in LS-DYNA software under dynamic axial ... -
Improvement of corrosion resistance of rare earth element (REE)-based anodic oxidation coating on AZ91D magnesium alloy
(Trans Tech Publications, 2012)Anodization is a useful technique for forming protective films on magnesium alloys and improves its corrosion resistance. Based on the rare earth metal (REE) salt solution, the optimum parameter was selected by comparing ... -
Mathematical models for productivity and availability of automated lines
(Springer-Verlag London Limited., 2013-04)The basic attributes of any industrial machine are productivity rate, quality of products, as well as the cost and flexibility of manufacturing systems. Attributes of productivity are related to the theory of reliability, ... -
Analyzing the jamming of parts on the shaft in assembly processes
(Emerald Group Publishing Limited., 2012)Purpose - The purpose of this paper is to investigate the process of jamming of the hollow parts on the shaft and to derive a mathematical model for jamming in an assembly process. Design/methodology/approach - The ... -
Productivity and optimization of section-based automated lines of parallel-serial structure with embedded buffers
(Springer-Verlag London Limited, 2013-03)Automated production lines of a parallel-serial structure are most productive in the manufacturing area. Designers of automated lines segment into sections with several stations place buffers between the series of sections ... -
New vane type wind turbine of high efficiency
(Universiti Putra Malaysia Press, 2012-01)Wind energy has often been touted as one of the most reliable sources of renewable energy that should be used for people. Today, wind energy (mainly by propeller type wind turbines) produces less than one percent of the ... -
Vibration analysis of blocked circular pipe flow
(Trans Tech Publications (TTP), 2012)Pipes are found in almost all buildings and constructions where they are used to convey fluid to a desired location. Liquid containing foreign objects and impurities will sometimes creates unintentional built up or clog ... -
Effect of NaVO3 concentration on corrosion resistance of conversion coating on AZ91D magnesium alloy
(Trans Tech Publications, 2012)Anticorrosive oxide films were successfully prepared on AZ91D magnesium alloy by chemical conversion coating in La (NO3)3 electrolytes with and without NaVO3. The morphologies and chemical composition were characterized ... -
Optimization on parameter settings in determining warpage factors of a side-gated thin shallow part injection molding for PP, ABS & PC+ABS materials
(Praise Worthy Prize S.r.l., 2012-05)The injection molding process of thin shallow part requires several concerns in order to produce a quality output. In part of determining the best parameter settings, among other considerations that need to be taken are ... -
The influence of different mold temperature on warpage in a thin shallow injection molding process
(Praise Worthy Prize S.r.l., 2012)Every injection molding parameter have its own influence towards the quality of an injection-molded part. Temperature, pressure and time are main parameters that typically highlighted in controlling the warpage defect of ... -
Warpage analyses on thin plate in three-plate mold by Taguchi method and analysis of variance (ANOVA) for PC, ABS and PC/ABS
(Praise Worthy Prize S.r.l., 2012)Warpage is a common issue in plastic injection molding process. It can get worse for thin parts and therefore it is more challenging for product design engineers, mold designers and manufacturing engineer to cope with ... -
Iterative algorithm for active vibration control of flexible beam
(Praise Worthy Prize S.r.l., 2012)This paper presents the development of dynamic model of a flexible beam structure using finite difference method. A Simple Proportional (P) control scheme is applied to suppress vibration at the tip of the flexible beam. ... -
Microwave sintering of pure iron with addition of stearic acid as binder
(Trans Tech Publications, 2012)The purpose of this study is to investigate the effect of the stearic acid as binder in sintering pure iron using a microwave furnace. The study was focused in mechanical properties such as porosity, density and micro-hardness ... -
Algorithm to improve process robustness in the assembly & test manufacturing industry a case study of the 1064nm wavelength laser mark equipment
(Trans Tech Publications, 2013-09)This document explains and demonstrates the generic improvement algorithm created to enhance the maintenance methodology in the semiconductor manufacturing environment. The use of this algorithm demonstrates how a process ... -
Warpage optimization on ultra thin plate in three plate mold for PP, ABS & ABS+PC materials by using Taguchi method
(Praise Worthy Prize S.r.l., 2012-03)The parameters setting of process conditions in injection molding process is very importance to ensure the quality of molded components is controlled by minimizing of any defects such as warpage. Various injection parameters ... -
Design and fabrication of a die for molding test press.
(Praise Worthy Prize S.r.l., 2012)This project aims to design and fabricate an die for molding test press. Mold Test Press Machine uses the concept of Compression Molding/Hot Press Molding. This project will be handled from the beginning of the design until ... -
Real-time control of automotive engine fuelled with Malaysian palm oil biodiesel
(Praise Worthy Prize S.r.l., 2012)With the rapid decline in energy resources, the increasing environmental concerns, and the high demand of energy consumption, many countries have been looking for alternative energy to substitute fossil fuel. One of the ...