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Tuggmaskin för test av dentala konstruktioner
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2019 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Chewing machine for testing of dental constructions (English)
Abstract [sv]

Syftet med detta projekt var att utveckla en testrigg för dentala implantat. Uppdraget kom från Institutionen för odontologi vid Umeå universitet. Beställare efterfrågade en testrigg som kunde testa hållfastheten i ett koncept där en tandbro installeras på två implantat istället för fyra. Inledningsvis var planen att utveckla ett pneumatiskt styrt system och automatisera detta med CODESYS. När det framgått att en elev på Tandläkarhögskolan var tänkt fortsätta med uppdraget under sitt kommande examensarbete så bytte fokus i projektet. Från detta tillfälle fortsatte arbetet med att utveckla sagda tandläkarelevs koncept. Detta baserades på att en DC-motor driver ett mekaniskt system, där en roterande kamnock ger upphov till kraftöverföring på testobjektet. Målet var att belasta testobjektet med en kraft på 177 N med ett varvtal på 89 rpm. För att få ett kvitto på överförd kraft inkorporerades en lastcell i systemet. Data från lastcellen skulle göras tillgänglig via en Raspberry Pi. Detta projekt resulterade i att delar till produkten undersöktes och införskaffades, men ingen färdig testrigg blev konstruerad. Arbetet med lastcellen resulterade inte i något färdigt program för att hantera data som önskat.

Abstract [en]

This project had the intention to develop a testing-machine for dental implants. The assignment came from the Department of Odontology at Umeå University. The sponsor asked for a testing-machine that could test the mechanical strength in a concept where a dental bridge was installed on two implants instead of four. Initially the plan was to develop a pneumatically powered system and automate this with CODESYS. When it turned out that a student at the dental program was thought to continue with the assignment as his upcoming degree project the focus of this project changed. From this moment the project instead continued by developing the concept that said dental student had started to develop. This concept was based on DC-engines to power a mechanical system, where a rotating camshaft gave cause to force loads on the test object. The goal was to introduce a force of 177 N with an rpm of 89. To make sure that the correct loads were applied, a load cell was incorporated into the concept. Data from the load cell was to be handled with a Raspberry Pi. This project resulted in parts necessary to construct the product researched and acquired. The work with the load cell did not result in a finished program to handle data as wished.

Place, publisher, year, edition, pages
2019. , p. 31
Keywords [en]
Chewing machine
Keywords [sv]
Tuggmaskin
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:umu:diva-160158OAI: oai:DiVA.org:umu-160158DiVA, id: diva2:1324586
Subject / course
Maskinteknik
Educational program
Bachelor of Science Engineering in Mechanical Engineering
Supervisors
Examiners
Available from: 2019-06-14 Created: 2019-06-13 Last updated: 2019-06-14Bibliographically approved

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Tuggmaskin för test av dentala konstruktioner(2102 kB)21 downloads
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