Now showing items 5-24 of 24

    • 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 ...
    • Fire alarm system, portable fire extinguisher and hose real system maintenances for safety purpose and requirements 

      Azmi, Harun; Norshah Afizi, Shuaib; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; M.Z.M., Zain (Universiti Malaysia Perlis (UniMAP), 2009-12-01)
      Fire Fighting system or equipments are important elements in building safety measures in order to ensure people’s safety when fire occurs. The Fire Alarm Systems deserves the highest level of care and maintenance achievable. ...
    • 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 ...
    • Optimization of tile laying process parameters using taguchi's method 

      Norshah Afizi, Shuaib; Shayfull, Zamree Abd Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Mohamad Ezral, Baharudin; Zaidi, Mohd Ripin (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 

      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 ...
    • Strength of the weld line and warpage defects on the molded parts in injection molding process 

      S. M., Nasir; Khairul Azwan, Ismail, Dr.; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib (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 ...
    • A study on two plate and three plate mold of ultra thin plates in minimizing warpage issue 

      Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd. Rahim; Sharif, S.,; Norshah Afizi, Shuaib; Mohd. Nasir, Mat Saad (Praise Worthy Prize, 2011-11)
      The demand of ultra thin plastic parts in global industries is increasing today. Ultra thin plastic parts are widely produced using injection molding processes and it is understood that warpage issue is regularly found in ...
    • Warpage analyses on thin plate in three-plate mold by Taguchi method and analysis of variance (ANOVA) for PC, ABS and PC/ABS 

      Shayfull Zamree, Abd Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Mohd. Nasir, Mat Saad; Norshah Afizi, Shuaib; Muhamad Saifuldin, Abdul Manan, Dr. (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 ...
    • Warpage analysis between straight and conformal cooling channels on thin shallow shell 

      Norshah Afizi, Shuaib; Mohd Fathullah, Ghazli@Ghazali; Shayfull Zamree, Abd. Rahim; Mohd Nasir, Mat Saad; Mohd Fidzwan, Md Amin Hamzas (Trans Tech Publications, 2014)
      Warpage is a type mold defect due to non-uniform temperature variation which causes differential shrinkage rate on the moulded parts. An accurate warpage prediction is so important in helping mould designers to achieve ...
    • Warpage analysis with straight drilled and conformal cooling channels on front panel housing by using taguchi method 

      Shayfull Zamree, Abd Rahim; Safian, Sharif, Prof. Dr.; Azlan, Mohd Zain, Dr.; Rozaimi, Mohd Saad; Ahmad Fairuz, Mansor (Trans Tech Publications, 2014)
      The challenging in injection molding process is to get the uniform thermal distribution on the molded parts during the cooling stage which is mainly depend on the design of the cooling channels in injection mold. Poor ...
    • Warpage optimization on ultra thin plate in three plate mold for PP, ABS & ABS+PC materials by using Taguchi method 

      Mohd. Nasir, Mat Saad; Norshah Afizi, Shuaib; Shayfull Zamree, Abd. Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Nooraizedfiza, Zainon (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 ...