Browsing Shayfull Zamree Abd Rahim, Assoc. Prof. Ir. Dr. by Author "shayfull@unimap.edu.my"

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    • Analysis of shrinkage on thick plate part using genetic algorithm 

      S., N. Najihah; Shayful Zamree, Abd Rahim; S., M. Nasir; Mohd Sazli, Saad; M., M. Rashidi; Mohd Fathullah, Ghazli @ Ghazali; Nik Noriman, Zulkepli (EDP Sciences, 2016)
      Injection moulding is the most widely used processes in manufacturing plastic products. Since the quality of injection improves plastic parts are mostly influenced by process conditions, the method to determine the optimum ...

    • Analysis of Strength on Thick Plate Part using Genetic Algorithm Optimisation Method 

      S., M. Azlan; Shayful Zamree, Abd Rahim; Mohd Nasir, Mat Saad; Mohd Sazli, Saad; M., M. Rashidi; Mohd Fathullah, Ghazli @ Ghazali (EDP Sciences, 2016)
      This study focuses on the optimisation of the injection moulding parameters to maximise the strength ofmoulded parts using a simulation software. The moulded parts were injected with Acrylonitrile- Butadiene-Styrene (ABS) ...

    • Application of IDEF3 process description capture to mechanize manual tile installation 

      Mohamad Ezral, Baharudin; Mohd. Fathullah, Ghazli @ Ghazali; Norshah Afizi, Shuaib; Shayfull Zamree, Abd Rahim, Dr.; Zaidi, Mohd Ripin (Praise Worthy Prize, 2011-11)
      Integrated Definition for Function which is also known as IDEF is a well structured modeling method that corresponds to a manufacturing system. For IDEF3, it is a process description capturing method created to capture ...

    • Application of RSM to optimise moulding conditions for minimizing shrinkage in thermoplastic processing 

      Mohd Nasir, Mat Saad; Khairul Azwan, Ismail; Shayfull Zamree, Abd Rahim (Trans Tech Publications Ltd, 2016)
      This study focuses on the analysis of plastic injection moulding process simulation using Autodesk Moldflow Insight (AMI) software in order to minimize shrinkage by optimizing the process parameters. Two types of gates ...

    • An approach to mechanization and automation of manual construction activity 

      Mohamad Ezral, Baharudin; Shayfull Zamree, Abd Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Norshah Afizi, Shuaib; Zaidi, Mohd Ripin (Praise Worthy Prize S.r.l., 2011-11)
      Construction industry is very important to the developing country like Malaysia. Many challenges and difficulties must be faced by the developers of this particular field. Warszawski et. al [1] has reported that there are ...

    • Comparison between single and multi gates for minimization of warpage using taguchi method in injection molding process for ABS material 

      Mohd. Nasir, Mat Saad; Khairul Azwan, Ismail; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib (Trans Tech Publications, 2013-12)
      In this study, a mold is designed in single and dual type of gate in order to investigate the deflection of warpage for thick component in injection molding process. Autodesk Moldflow Insight software was used as a medium ...

    • Design of a portable paddy cleaning machine 

      Shayfull Zamree, Abd. Rahim; Mohd Fathullah, Ghazli@Ghazali; Mohd Azaman, Md Deros (2010-09-20)
      Portable Paddy Cleaning Machine is designed to remove foreign materials and impurities such as sand particles, stones, paddy straws and foreign seeds from paddy. This machine provides farmers an alternative replacement of ...

    • The effect of inoculation on properties of modified ductile Ni-resist alloy 

      Mohd Rashidi, Maarof; Mohd Hasbullah, Idris; Shayfull Zamree, Abd Rahim (Trans Tech Publications, 2014)
      In this study, ductile Ni-resist alloy with a minimum 18 wt. % nickel composition was modified. Up to 12 wt. % manganese was added together with 10 wt. % nickel before undergoing the inoculation process at various percentages ...

    • Improving the quality and productivity of molded parts with a new design of conformal cooling channels for the injection molding process 

      Shayfull Zamree, Abd Rahim; Safian, Sharif; Azlan, Mohd Zain; Mohd Nasir, Mat Saad; Rozaimi, Mohd Saad (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 

      Shayfull Zamree, Abd. Rahim; Muhammad Syahril, Bahari; Siti Aishah, Adam; Mohd. Nasir, Mat Saad; Nooraizedfiza, Zainon (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 

      Shayfull Zamree, Abd Rahim, Dr.; Safian, Sharif; Azlan Mohd, Zain; Mohd Nasir, Mat Saad; Rozaimi, Mohd Saad (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 

      Norshah Afizi, Shuaib; Muhamad Nasir, Murad; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Muhamad Saifuldin, Abdul Manan, Dr. (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 ...

    • Investigation on Nylon PA66 side arms using Taguchi and ANOVA analysis in reducing cost of producing urinary catheters 

      Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib; Mohd. Nasir, Mat Saad; Muhamad Saifuldin, Abdul Manan (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 

      Shayfull Zamree, Abd. Rahim; Safian bin Sharif, Prof. Dr.; Azlan, Mohd Zain, Dr.; Rozaimi, Mohd. Saad; Ahmad Fairuz, Mansor (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 

      Mohd Effendi, Muhammad Suandi; Shayfull Zamree, Abd Rahim; Mohd Sazli, Saad; Mohd Nasir, Mat Saad; Badrul Azmi, Abdul Holed (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 

      Mohd Fathullah, Ghazli@Ghazali; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib; Mohd Nasir, Mat Saad; Muhamad Saifuldin, Abdul Manan (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 

      Norshahira, Roslan; Shayfull Zamree, Abd Rahim; Abdellah El-hadj, Abdellah; Mohd Mustafa Al Bakri, Abdullah; Błoch, Katarzyna; Pietrusiewicz, Paweł; Nabiałek, Marcin; Szmidla, Janusz; Kwiatkowski, Dariusz; Correia Vasco, Joel Oliveira; Mohd Nasir, Mat Saad; Mohd Fathullah, Ghazali (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 on parameter settings in determining warpage factors of a side-gated thin shallow part injection molding for PP, ABS & PC+ABS materials 

      Norshah Afizi, Shuaib; Muhamad Nasir, Murad; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Muhammad Syahril, Bahari (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 ...

    • Potential of conformal cooling channels in rapid heat cycle molding: a review 

      Shayfull Zamree, Abd Rahim; Safian, Sharif; Azlan, Mohd Zain; Rozaimi, Mohd Saad; Mohd Fathullah, Ghazli@ Ghazali (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) 

      M. Isafiq; Shayful Zamree, Abd Rahim; ‪Mohd Nasir, Mat Saad; M., M. Rashidi; Mohd Fathullah, Ghazli @ Ghazali; Nik Noriman, Zulkepli (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 ...