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Development of a new rotational angle selector attachment for tightening tools
KTH, School of Industrial Engineering and Management (ITM).
KTH, School of Industrial Engineering and Management (ITM).
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Utveckling av ett nytt rotationsvinkelfäste för åtdragningsverktyg (Swedish)
Abstract [en]

The design solution for angle selector attachment is developed and carry forward based on initial case study done by KTH Södertäjle students. This project is carried out to find the answers for few questions viz. potential concept design solution, considering the requirements given by Scania that needs to be fulfilled. The work is divided into sub-categories; Concept generation, Concept evaluation, Manufacturing of prototype and Testing. The existing tool solution data is used to compare results with new design while testing and analysing the results.

The results show that with the help of new design, it is possible to achieve seamless rotation, locking with I/O signal, can hold torque up to 200 Nm and safety measures are also taken into account. So based on this, new proposition to change the way of tightening with angle selector is given in truck assembly line.

Abstract [sv]

Konstruktionslösningen för ett rotationsvinkelfäste har tagits fram för ett koncept som tidigare har utvecklats i ett studentprojekt vid KTH Södertäjle. Detta projekt har undersökt potentialen hos det föreslagna konceptet och vidareutvecklat det i enlighet med Scanias krav. Arbetet har utförts enligt en vida accepterad systematisk konstruktionsprocess, bestående av följande arbetssekvens; Formulering av systemkrav, Konceptgenerering, Konceptutvärdering och –val, Dimensionering av valt koncept, Prototyptillverkning och Provning (verifiering).

Den konstruktionslösning som utvecklats jämförs sedan med den lösning som används på dagens monteringslina. Resultatanalysen visar att den nya lösning, som tagits fram i detta project, möjliggör steglös rotation, och genom låsning med I/O-signal är det möjligt att hantera ett vridmoment på 200 Nm, med bibehållen säkerhet för operatören. Det framtagna rotationsvinkelfästet föreslås att införas på monteringslinan för lastbilar.

Place, publisher, year, edition, pages
2019. , p. 57
Series
TRITA-ITM-EX ; 2019:593
Keywords [en]
Product development, angle selector, torque, nut-runner, optimisation
Keywords [sv]
Produktutveckling, vinkelväljare, vridmoment, mutterdragare, optimering
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-263913OAI: oai:DiVA.org:kth-263913DiVA, id: diva2:1371111
External cooperation
Scania CV AB
Supervisors
Examiners
Available from: 2019-11-21 Created: 2019-11-19 Last updated: 2019-11-21Bibliographically approved

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