A multiple-gate runner system for gravity casting

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dc.contributor.author Hsu, Fu-Yuan -
dc.contributor.author Jolly, Mark R. -
dc.contributor.author Campbell, John -
dc.date.accessioned 2012-10-30T23:01:38Z
dc.date.available 2012-10-30T23:01:38Z
dc.date.issued 2009-08-19T00:00:00Z -
dc.identifier.citation Fu-Yuan Hsu, Mark R. Jolly, John Campbell, A multiple-gate runner system for gravity casting, Journal of Materials Processing Technology, Volume 209, Issue 17, 19 August 2009, Pages 5736–5750
dc.identifier.issn 0924-0136 -
dc.identifier.uri http://dx.doi.org/10.1016/j.jmatprotec.2009.06.003 -
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/7633
dc.description.abstract The L-shaped junctions in running and gating systems used in aluminum gravity casting have been investigated. Using computational modeling, a guideline for constructing two geometries of L-junctions was developed. The sequential filling profile of liquid metal along L-junction was confirmed by real-time X-ray video of an aluminum alloy sand casting. The change of flow direction through L-junctions can yield a high coefficient of discharge Cd, without entrapping detrimental oxide film defects because of the smooth flow, minimizing surface turbulence. A short "clear-up" time, the duration of filling a component, of L-shaped junction is also achieved. For the necessary of future application of this junction, its dimensionless equivalent lengths ( was to eliminate the trial and error approach as designing a multiple-gate system. From the guideline of L-junction, the two junctions can be assembled into a complex multiple-gate runner system. In this novel design of multiple-gate system, uniform distribution of flow through each gate into a mould cavity has been demonstrated. A high Cd value was also predicted.LE/D) and loss coefficient K were estimated. The m en_UK
dc.publisher Elsevier Science B.V., Amsterdam. en_UK
dc.rights NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Materials Processing Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PJournal of Materials Processing Technology, VOL 209, ISSUE 17, (2009) DOI: 10.1016/j.jmatprotec.2009.06.003
dc.subject Aluminum gravity casting en_UK
dc.subject Multiple gates en_UK
dc.subject Runner system en_UK
dc.subject Coefficient of discharge en_UK
dc.subject Clean-up time en_UK
dc.title A multiple-gate runner system for gravity casting en_UK
dc.type Article -

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