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Efficient Cooling of FFF Injection Molding Tools with Conformal Cooling Channels,: An Introductory Analysis
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.ORCID iD: 0000-0001-5954-5898
Responsible organisation
2003 (English)In: Advanced research in virtual and rapid prototyping: proceedings of the 1st International Conference on Advanced Research in Virtual and Rapid Prototyping, Leiria, Portugal, 1 - 4 October, 2003, Leiria: Escola Superior de Tecnologia e Gestão , 2003, 433-437 p.Conference paper, (Other academic)
Abstract [en]

Typically, the conventional machining techniques for the design of cooling layouts, in injection molding tools, are drilled straight bores placed around the tool cavity. Ejector pins, parting planes, cores, etc., make it impossible to gain an optimal cooling effect and the methods to improve the cooling, such as baffles and bubblers, are rather time-consuming and expensive. A numerical comparison of the efficiency between conventional cooling channel layouts, using straight holes and a baffle, and a free-form fabricated (FFF) layout was carried out considering cooling time and dimensional stability. The analyses showed a considerable improvement in both cooling time and dimensional stability in favor of FFF cooling channels. A reduction of the cycle time up to 67% was achieved with preserved, and even better tolerances on the dimensional stability.

Place, publisher, year, edition, pages
Leiria: Escola Superior de Tecnologia e Gestão , 2003. 433-437 p.
Keyword [en]
Free-form fabrication, Rapid tooling, Injection molding, Simulation, Cooling
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-1053Scopus ID: 2-s2.0-79955501135Local ID: 714ISBN: 972-99023-0-5 (print)OAI: oai:DiVA.org:miun-1053DiVA: diva2:26085
Conference
1st International Conference on Advanced Research in Virtual and Rapid Prototyping, VRAP 2003; Leiria; Portugal; 1 October 2003 through 4 October 2003; Code 84673
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-09-22Bibliographically approved

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Rännar, Lars-Erik
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf