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Framtagning av primärkonstruktion till nytt cykellås
Halmstad University, School of Business and Engineering (SET).
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Cykelstölder är ett stort problem i dagens samhälle. I Sverige polisanmäldes 65 700 cykelstölder under 2011. De cykellås som finns på marknaden kan på ett eller annat sätt brytas upp och efter det är cykeln fullt brukbar. Examensarbetets uppdragsgivare hade idéer om ett nytt cykellås som förhindrade cykelns brukbarhet efter uppbrytning av låset. Idén ledde till ett samarbete med uppdragsgivaren, mig och teknikkonsultföretaget, Cross Design. Samarbetet vidareutvecklade idén och resulterade i detta examensarbete.

Syftet med examensarbetet har varit att ta fram en primärkonstruktion till ett nytt cykellås som inte finns på dagens marknad. Arbetets metod har utgått från Fredy Olssons konstruktionsprocess som avgränsats till princip- och primärkonstruktion.   

Arbetet har innefattat en grundlig produktundersökning, framtagning av kriterier utifrån uppdragsgivarens och standarderna EN 14764: 2005, City and trekking bicycles - Safety requirements and test methods och EN 15496: 2008, Cycles – Requirements and test methods for cycle locks, krav. Kriterieuppställningen följdes av idégenerering för att slutligen resultera i en primärlösning som konstruerades och beräknades i Catia V5.

Resultatet blev ett innovativt cykellås som förhindrar cykelns brukbarhet efter uppbrytandet av låset. Primärkonstruktionen har gett uppdragsgivaren underlag för vidareutveckling tillprototyp och tillverkningskonstruktion.

I denna version undanhålls delar på grund av sekretesskäl.

Abstract [en]

Bicycle thefts are a common problem in today’s society. In Sweden, 65 700 bicycle thefts were reported to the police during 2011. The market’s bicycle locks are in one or another way possible to break up. As soon as the lock is broken the bicycle is as useful as before. The client of the bachelor thesis had ideas about a new bicycle lock which prevents the usefulness of the bicycle after the lock has been broken. The idea resulted in cooperation between the client, me and the technical consulting company, Cross Design. The collaboration developed the idea and resulted in this bachelor thesis.

The thesis purpose has been to create a primary construction of a new bicycle lock which does not exist on today’s market. A construction process has been followed and delimited to principle and primary construction.

The study includes a product research, development of criteria from the client and the European standards EN 14764: 2005, City and trekking bicycles - Safety requirements and test methods and EN 15496: 2008, Cycles – Requirements and test methods for cycle locks, requirements. The criteria development was followed by creating ideas and result in a primary solution which was constructed and calculated in Catia V5.  

An innovative bicycle lock which prevents the bicycle’s usefulness after the lock is broken was the thesis result. The primary construction has given the client a base for further development of a prototype and manufacturing construction.

Some parts of this version are withheld because of confidentiality reasons.

Place, publisher, year, edition, pages
2012.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:hh:diva-17756OAI: oai:DiVA.org:hh-17756DiVA: diva2:529203
Subject / course
Design
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-06-21 Created: 2012-05-29 Last updated: 2012-06-21Bibliographically approved

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