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Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold

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Main Authors: Mohd. Rizwan, Hamsin, Azuddin, Mamat, Aznijar, Ahmad-Yazid
Other Authors: aznijar@um.edu.my
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Ellis Model
Flow analysis
Plastic injection mold
Runner design
Simulation
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13747
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spelling my.unimap-137472011-09-14T09:21:13Z Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold Mohd. Rizwan, Hamsin Azuddin, Mamat Aznijar, Ahmad-Yazid aznijar@um.edu.my Ellis Model Flow analysis Plastic injection mold Runner design Simulation Link to publisher's homepage at http://www.myiem.org.my/ This paper describes the design and analysis of plastic injection mold balancing runner. The runners were designed based on Ellis Model, a viscosity model of flow network consisting of elements and nodes. 4-coefficients viscosity model and temperature dependence Ellis Model were used in order to reduce the amount of computational analysis by FEA software. A Cross WLF viscosity model was used in the FEA analysis. FEA simulation of injection molding was conducted for 8 and 16 cavity runners. Runner layout was assumed as pressure at the end of each element acting as an initial and final boundary condition. The length and size of the runner can be adjusted to fit the boundary condition that had been chosen. Flow rates at each element leading to gates were set to simulate the desired pressure drop. The final boundary condition for the first element was set as the initial boundary condition for the next element. By employing Ellis model, it was shown that the calculated results are similar to the result obtained through simulation. The model employed has successfully shown an equal filling time for each cavity, an equal pressure at each gate as well as uniform part filling. A predictive FEA performed prior to actual manufacturing is helpful in order to produce good molds. 2011-09-14T09:21:13Z 2011-09-14T09:21:13Z 2009-06 Article The Journal of the Institution of Engineers, Malaysia, vol. 71(2), 2009, pages 22-35 0126-513X http://www.myiem.org.my/content/iem_journal_2009-180.aspx http://hdl.handle.net/123456789/13747 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Ellis Model
Flow analysis
Plastic injection mold
Runner design
Simulation
spellingShingle Ellis Model
Flow analysis
Plastic injection mold
Runner design
Simulation
Mohd. Rizwan, Hamsin
Azuddin, Mamat
Aznijar, Ahmad-Yazid
Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
description Link to publisher's homepage at http://www.myiem.org.my/
author2 aznijar@um.edu.my
author_facet aznijar@um.edu.my
Mohd. Rizwan, Hamsin
Azuddin, Mamat
Aznijar, Ahmad-Yazid
format Article
author Mohd. Rizwan, Hamsin
Azuddin, Mamat
Aznijar, Ahmad-Yazid
author_sort Mohd. Rizwan, Hamsin
title Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
title_short Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
title_full Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
title_fullStr Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
title_full_unstemmed Design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
title_sort design and analysis of multi-cavity traditional and h-branching runners for plastic injection mold
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13747
_version_ 1643790956024037376
score 13.214268

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