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Kilhus i plast: Omläggning av stålprodukt till produkt i plast
Halmstad University, School of Business and Engineering (SET).
Halmstad University, School of Business and Engineering (SET).
2010 (Swedish)Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
Abstract [en]

Abstract

Our bachelor degree thesis was carried out in collaboration with Ivar Petterssons Järnmanufaktur AB in Smålandsstenar. We were asked to replace their wedge housing, used to fasten the wires to the power lines, with a similar structure in a plastic material. The idea for this project started with Ivar Petterssons Järnmanufaktur AB having problems with the casting quality that forced them to perform expensive tests on each of the wedge houses to ensure the quality. They are currently produced in China which is also a major drawback because it requires expensive long delivery times.

The method we used is Fredy Olsson's Princip- and Primärkonstuktion (1995). We have consistently been in the project on so-called "broad front", which means that you create several sketches, ideas and changes in parallel, and then evaluates all. With this method we were able to largely concentrate on the current part of the project, rather than using the more time-consuming "trail and error" method, which is basically doing one idea at a time, and evaluate them one by one.

At first we were very optimistic and thought we would be able to order form for the injection moulding process, but as the project progressed we found we were not certain that the product would hold and we were forced to present the solution as a concept that will require testing before it’s finished, and not a finished solution.The results we presented for Ivar Pettersssons Järnmanufaktur is a complete drawing on our primary solution, including the release angles. This is because when they decide to go forth with the project, it will be possible to produce a tool without having to make changes to the drawings. Temporary financial calculation shows that the savings may be realized around 1 300 000 SEK by switching to a plastic construction. However we have not been able to verify hours and therefore no cost estimates for the testing done in Sweden, so the actual amount of money saved is larger.

Place, publisher, year, edition, pages
2010. , 58 p.
Keyword [sv]
plast, examensarbete, Andersson, Olsén, konstruktion, stål till plast, konstruktionsprojekt, kilhus, vajerlås, maskiningenjör, ingenjör, maskin, magnus, plastinject, ivar petterssons
National Category
Reliability and Maintenance Materials Engineering
Identifiers
URN: urn:nbn:se:hh:diva-4490OAI: oai:DiVA.org:hh-4490DiVA: diva2:321325
Presentation
2010-05-27, O104, Halmstad, 08:16 (Swedish)
Uppsok
Technology
Supervisors
Examiners
Available from: 2010-10-26 Created: 2010-05-31 Last updated: 2010-10-26Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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