Browsing Shayfull Zamree Abd Rahim, Assoc. Prof. Ir. Dr. by Title
Now showing items 14-33 of 42
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Hybrid mold: comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC)
(MDPI AG, 2021-02)The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise ... -
Improving the quality and productivity of molded parts with a new design of conformal cooling channels for the injection molding process
(John Wiley and Sons Inc., 2015)In materials processing, quality and productivity are notably important and must be controlled for each product type produced. In the injection molding process, quality is measured as the extent of warpage of molded parts ... -
Improving warpage on thin shallow parts in two-plate moulds with conformal cooling channels
(Praise Worthy Prize S.r.l., 2013-03)Nowadays, the trend of consumer products designed is getting smaller and most of cover is made from plastic which was produced by using injection molding process. Thus, the demand of thin shallow plastic parts in global ... -
Improving warpage with milled groove square shape conformal cooling channels
(Trans Tech Publications Ltd, 2016)Warpage is a common issue in an injection moulding process due to non-uniform temperature variation causing differential shrinkage on the moulded parts. In designing moulds for injection molding process, it is very difficult ... -
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 ... -
The influence of Rice Husk Fiber on The Properties of Epoxidized Natural Rubber/Rice Husk Compounds
(EDP Sciences, 2016)In this work, curing characteristics, tensile and physical properties of epoxidized natural rubber/ rice husk (ENR-50/RH) compounds were investigated. Different RH loading (10, 20, 30, 40 and 50 Phr) and size (fine size ... -
The Influence of Selective Laser Melting Parameters on Density and Mechanical Properties of AlSi10Mg
(EDP Sciences, 2016)Selective Laser Melting (SLM) is one of the most effective powder bed technique in the additive Manufacturing (AM) which able to fabricate functional metal parts directly from 3D Computer Aided Design (CAD) file data. In ... -
Investigation on microstructure of heat treated high manganese austenitic cast iron
(EDP Sciences, 2016)The effect of manganese addition and annealing heat treatment on microstructure of austenitic cast irons with high manganese content (Mn-Ni-resist) were investigated. The complex relationship between the development of the ... -
Investigation on Microstructure of Heat Treated High Manganese Austenitic Cast Iron
(EDP Sciences, 2016)The effect of manganese addition and annealing heat treatment on microstructure of austenitic cast irons with high manganese content (Mn-Ni-resist) were investigated. The complex relationship between the development of the ... -
Investigation on Nylon PA66 side arms using Taguchi and ANOVA analysis in reducing cost of producing urinary catheters
(Praise Worthy Prize, 2011-11)This article discusses on a research experience and finding based on a collaboration with a medical equipment manufacturer in producing urinary catheters. The manufacturer had been spending high cost yearly to replace more ... -
Milled groove square shape conformal cooling channels in injection molding process
(Taylor and Francis Group, LLC., 2013-08)In designing molds for injection molding process, it is very difficult to achieve efficient cooling with uniform thermal distribution. To overcome these issues, the uses of conformal cooling channels with the uniform ... -
A new invention of alarm reminder locking (ARL) security system
(Engg Journals Publications, 2016-02-01)Alarm Reminder Locking (ARL) Security System mainly focuses on a door security system, which can install in the door area to increase the security level for home, office room, hostel or other places. This system used Arduino ... -
Optimal process conditions of warpage with thin-shallow features molded with pin-point gating system
(Praise Worthy Prize, 2011-11)Thin shallow plastic parts are widely produced using injection molding processes in producing varieties of components and applications. Warpage issue always happens in manufacturing thin shallow parts due to its uneven ... -
Optimisation of Shrinkage and Strength on Thick Plate Part Using Recycled LDPE Materials
(MDPI AG, 2021-04-05)Achieving good quality of products from plastic injection moulding processes is very challenging, since the process comprises many affecting parameters. Common defects such as warpage are hard to avoid, and the defective ... -
Optimization of tile laying process parameters using taguchi's method
(Praise Worthy Prize, 2011-11)This paper discusses the use of the Taguchi method of experimental design in optimizing process parameters of adhesion strength between tile and mortar bed. The effects of four process parameters of force, thinset mortar ... -
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 ... -
Performance of Sn-3.0Ag-0.5Cu composite solder with kaolin geopolymer ceramic reinforcement on microstructure and mechanical properties under isothermal ageing
(MDPI AG, 2021-02)This paper elucidates the effect of isothermal ageing at temperature of 85 °C, 125 °C and 150 °C for 100, 500 and 1000 h on Sn-3.0Ag-0.5Cu (SAC305) lead-free solder with the addition of 1 wt% kaolin geopolymer ceramic (KGC) ... -
Potential of conformal cooling channels in rapid heat cycle molding: a review
(Wiley Periodicals, Inc., 2014)Rapid heat cycle molding (RHCM) can eliminate the weld line, increase flow length, and improve surface quality of the molded parts. However, the cycle time is much longer as compared to the conventional injection-molding ... -
Shrinkage analysis on thick plate part using Response Surface Methodology (RSM)
(EDP Sciences, 2016)The work reported herein is about an analysis on the quality (shrinkage) on a thick plate part using Response Surface Methodology (RSM). Previous researches showed that the most influential factor affecting the shrinkage ... -
Strength of the weld line and warpage defects on the molded parts in injection molding process
(Praise Worthy Prize S.r.l., 2013)Strength at weld the line location and warpage problem in injection molding plastic component were not new problems in injection molding industries. Many researchers had emerged with several improvement techniques to reduce ...