The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine
The optimization of processing parameters on warpage of polypropylene (PP) in the application of injection moulding machine was studied. The appropriate parameters were adjusted to reduce the warpage defect on the tensile test specimen of dumbbell. The type of injection moulding machine used in this...
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my.utem.eprints.138372015-05-28T04:34:30Z http://eprints.utem.edu.my/id/eprint/13837/ The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine Md Ali, Mohd Amran Salmah, Siti Zaki, Mohd RAJA ABDULLAH, RAJA IZAMSHAH Abu Bakar, Mohd Hadzley Sivarao, Subramaniam Kasim, Mohd Shahir Sulaiman, Mohd Amri TS Manufactures TJ Mechanical engineering and machinery The optimization of processing parameters on warpage of polypropylene (PP) in the application of injection moulding machine was studied. The appropriate parameters were adjusted to reduce the warpage defect on the tensile test specimen of dumbbell. The type of injection moulding machine used in this research is Arburg 420C 800-250C. Four parameters that have been investigated; injection pressure, clamping pressure, back pressure and holding pressure. A concept of design of experiment (DOE) has been applied using Taguchi method to determine the suitable parameters. To measure the warpage of the dumbbell, digital height gauge was used to measure the flatness of the part surface. According the analysis of variance (ANOVA), the most significant factor that effect the warpage was holding pressure by 57.82%, followed with back pressure by 25.75%, clamping pressure by 16.27% and injection pressure by 0.16%. It is found that the optimum parameters setting that have been obtained were injection pressure at 950 bar, clamping pressure at 600 kN, holding pressure at 700 bar and back pressure at 75 bar. The depreciation value of warpage minimum index in this experiment was decreased by 4.6% after confirmation run. 2014-02-27 Article PeerReviewed application/pdf en http://eprints.utem.edu.my/id/eprint/13837/1/The_Effect_of_Pressure_on_Warpage_of_Dumbbell_Plastic_Part_in_Injection_-_Copy.pdf Md Ali, Mohd Amran and Salmah, Siti and Zaki, Mohd and RAJA ABDULLAH, RAJA IZAMSHAH and Abu Bakar, Mohd Hadzley and Sivarao, Subramaniam and Kasim, Mohd Shahir and Sulaiman, Mohd Amri (2014) The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine. Advanced Materials Research, 903. pp. 61-66. ISSN 1662-8985 http://dx.doi.org/10.4028/www.scientific.net/AMR.903.61 doi:10.4028/www.scientific.net/AMR.903.61 |
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TS Manufactures TJ Mechanical engineering and machinery Md Ali, Mohd Amran Salmah, Siti Zaki, Mohd RAJA ABDULLAH, RAJA IZAMSHAH Abu Bakar, Mohd Hadzley Sivarao, Subramaniam Kasim, Mohd Shahir Sulaiman, Mohd Amri The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
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The optimization of processing parameters on warpage of polypropylene (PP) in the application of injection moulding machine was studied. The appropriate parameters were adjusted to reduce the warpage defect on the tensile test specimen of dumbbell. The type of injection moulding machine used in this research is Arburg 420C 800-250C. Four parameters that have been investigated; injection pressure, clamping pressure, back pressure and holding pressure. A concept of design of experiment (DOE) has been applied using Taguchi method to determine the suitable parameters. To measure the warpage of the dumbbell, digital height gauge was used to measure the flatness of the part surface. According the analysis of variance (ANOVA), the most significant factor that effect the warpage was holding pressure by 57.82%, followed with back pressure by 25.75%, clamping pressure by 16.27% and injection pressure by 0.16%. It is found that the optimum parameters setting that have been obtained were injection pressure at 950 bar, clamping pressure at 600 kN, holding pressure at 700 bar and back pressure at 75 bar. The depreciation value of warpage minimum index in this experiment was decreased by 4.6% after confirmation run. |
format |
Article |
author |
Md Ali, Mohd Amran Salmah, Siti Zaki, Mohd RAJA ABDULLAH, RAJA IZAMSHAH Abu Bakar, Mohd Hadzley Sivarao, Subramaniam Kasim, Mohd Shahir Sulaiman, Mohd Amri |
author_facet |
Md Ali, Mohd Amran Salmah, Siti Zaki, Mohd RAJA ABDULLAH, RAJA IZAMSHAH Abu Bakar, Mohd Hadzley Sivarao, Subramaniam Kasim, Mohd Shahir Sulaiman, Mohd Amri |
author_sort |
Md Ali, Mohd Amran |
title |
The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
title_short |
The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
title_full |
The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
title_fullStr |
The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
title_full_unstemmed |
The Effect of Pressure on Warpage of Dumbbell Plastic Part in Injection Moulding Machine |
title_sort |
effect of pressure on warpage of dumbbell plastic part in injection moulding machine |
publishDate |
2014 |
url |
http://eprints.utem.edu.my/id/eprint/13837/1/The_Effect_of_Pressure_on_Warpage_of_Dumbbell_Plastic_Part_in_Injection_-_Copy.pdf http://eprints.utem.edu.my/id/eprint/13837/ http://dx.doi.org/10.4028/www.scientific.net/AMR.903.61 |
_version_ |
1665905564284092416 |
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13.154949 |