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Thesis (Master's)

University of Iceland > Verkfræði- og náttúruvísindasvið > Meistaraprófsritgerðir - Verkfræði- og náttúruvísindasvið >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1946/18493

Title: 
  • Redesign of Cross Frame with Recognized Design Methods
Degree: 
  • Master's
Abstract: 
  • The aim of this research is to study and compare different design methods, choose a method for redesign and use a case study to evaluate the outcome. This thesis will help Marel on its journey to implement better design processes.
    A literature review of five design methods was conducted and their tools and techniques explained. These methods are Six Sigma, Stage-Gate, Lean (Lean Product Development), Design Structure Matrix and Model Based Design.
    This case study is a cross frame from StreamLine weldment, manufactured by Marel. The LPD and Model Based Design were evaluated to be the best-suited methods for this case study. The redesign was carried out by finding, identifying and closing Knowledge Gaps. In Model Based Design method a Finite Element Model and a Cost model were built to verify the results of the redesign.
    The findings from this study show that appropriate design method can improve the quality of design work. The redesign is better qualified for cleaning and has less manufacturing cost.

  • Abstract is in Icelandic

    Markmið þessarar rannsóknar er að rannsaka og bera saman mismunandi hönnunaraðferðir, velja aðferð til endurhönnunar á þvergrind og meta hönnunina. Ritgerð þessi mun vonandi hjálpa Marel hf. í leit sinni að bættri hönnun.
    Heimildavinna um fimm hönnunaraðferðir var unnin, tækni og verkfæri þeirra skoðuð og skýrð. Þessar hönnunaraðferðir voru Six Sigma, Stage-Gate, Lean (Lean Product Development), Design Structure Matrix og Model Based Design.
    Viðfangsefnið var þvergrind úr StreamLine suðusamsetningu, framleitt af Marel hf . LPD og Model Based Design voru metnar hæfastar fyrir þetta viðfangsefni. Endurhönnunin var gerð með því að finna þekkingarbil, skilgreina þau og svo loka þeim. Í Model Based Design voru búin til Finite Element líkan og kostnaðarlíkan til að staðfesta niðurstöðuna.
    Niðurstöður þessarar rannsóknar benda til að með viðurkenndum hönnunar aðferðum megi bæta gæði hönnunar. Endurhönnunin er betri með tilliti til þrifanleika og er jafnframt ódýrari í framleiðslu.

Accepted: 
  • May 28, 2014
URI: 
  • http://hdl.handle.net/1946/18493


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