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Redesigning a Locking System for a Rail Road Dumper
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences.
2018 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report describes a master thesis in Industrial Design Engineering performed at Kiruna Wagon towards Luleå University of Technology in the spring of 2018. The task of the project is to develop a new locking mechanism to the doors of one of Kiruna Wagons planned product releases, the Side Dumper. To find the ideal solution, an iterative and prototype focused design process is used, which is split up into four main phases. Initially, an immersion into the context of the project is performed, followed by a literature study upon which the theoretical fundament of the project is set. A design specification is stated, which functions as support for design and evaluation during the whole project.

 

In the ideate phase, existing forces of the unloading station was used as a base for ideation. A large bank of ideas was created, which continuously was diverged and converged by many iteration cycles of designing, evaluation and learning. When five concepts had been developed, their functions needed to be verified in the develop phase, where several challenges arose. These were coped with, mainly through calculations, prototyping and by resetting concepts into solution principles. At last, in the deliver phase two remaining solutions, solution B and solution C, were verified through calculations, CAD-modeling and by a scale-wise functional prototype in steel. The prototype was tested, evaluated and finally delivered to Kiruna Wagon. The report ends with discussion and conclusions about method, process and results, and describes necessary further work for an implementation of the solution.

Abstract [sv]

I denna rapport beskrivs ett examensarbete inom teknisk design som utförts på Kiruna Wagon mot Luleå Tekniska Universitet under våren 2018. Projektet gick ut på att utveckla en ny låsningsmekanism till dörrarna till en av Kiruna Wagons kommande produkter som kallas för Side Dumper. För att hitta den ideala lösningen användes en iterativ och prototypfokuserad designprocess, som delas upp i fyra huvudfaser. Initialt genomfördes en fördjupning i kontexten som rör projektet, följt av en litteraturstudie där den teoretiska grunden för projektet fastställs. En designspecifikation fastslås som fungerar som stöd för design och utvärdering under hela projektet. 

 

I ideate-fasen utnyttjades befintliga krafter på lossningsstationen som en bas för idéarbetet. En stor idébank skapades, som kontinuerligt divergerades och konvergerades genom många iterationscykler av design, utvärdering och lärande. När fem koncept hade utvecklats, behövde deras funktioner verifieras. Detta genomfördes i develop-fasen, där flera utmaningar uppstod. Utmaningarna hanterades huvudsakligen genom beräkningar, prototyper och genom att återställa koncept till lösningsprinciper. Slutligen verifierades två återstående lösningar, lösning B och lösning C, i deliver-fasen genom beräkningar, CAD-modellering och en genom att tillverka en skalenlig funktionell prototyp i stål. Prototypen testades och utvärderades för att slutligen kunna levereras till Kiruna Wagon. Rapporten avslutas med att diskutera och ge slutsatser kring metodval, process och resultat, och beskriver fortsatt arbete för att kunna implementera produkten i framtiden.

Place, publisher, year, edition, pages
2018. , p. 103
Keywords [en]
Industrial design engineering, locking mechanism, rail road dumper, logistics, product development, prototyping
Keywords [sv]
Teknisk design, låsmekanism, järnväg, dumper, logistik, produktutveckling, prototyp
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-69694OAI: oai:DiVA.org:ltu-69694DiVA, id: diva2:1221327
External cooperation
Kiruna Wagon
Educational program
Industrial Design Engineering, master's level
Supervisors
Examiners
Available from: 2018-06-27 Created: 2018-06-19 Last updated: 2018-06-27Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2021-06-19 22:18
Available from 2021-06-19 22:18

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