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QCM Sensor Chip: – Construction of plastic parts for injection molding
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
2009 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
QCM sensorchip : - Konstruktion av plastdelar för formsprutning (Swedish)
Abstract [sv]

I augusti 2007 tillfrågades författaren av Attana AB om han kunde konstruera dennes QCM-sensorchip för formsprutning som en del av hans examensarbete inom industriell design. Examensarbetet innefattade de två plastdelarna som utgör hölget av sensorchipet. Ytterliggare skulle en ny konstruktionslösning som underlättar montering av sensorchipet föreslås, en given plats för identifikationsmärkning av sensorchipet skulle implementeras och den estetiska aspekten av designen skulle slutföras inom ramarna av arbetet. Arbetsprocessen innebar ett tvärdisciplinärt uppdrag som ingenjör, designer och projektledare i nära samarbete med andra utvecklings- och tillverkningsingenjörer, materialspecialister och biokemister. Arbetet fortskred iterativt genom fyra faser, nämligen: förstudie, analys, syntes och utvärdering. Arbetet resulterade i en förenklad monteringskonstruktion och en integrerad plats för identifikationsmärkning av chipet. Designen och konstruktionen var också till en viss gräns verifierade med hänsyn till generiska riktlinjer för formsprutning och av specialister som undersökte konstruktionslösningen.

En konstruktionslösning där ett snäppfäste integrerades för att underlätta montering av delarna presenterades av författaren. Dessutom presenterades ett urval av lämpliga material. I framtida arbete måste formsprutningsverktygsmakaren slutföra nödvändiga beräkningar för att tillåta eftersökta toleranser i det formsprutade sensorchipet.

Abstract [en]

In August 2007 the author was asked by Attana AB to construct its QCM sensor chip for injection molding as part of his Master Thesis in Industrial Design Engineering. The thesis work concerned the plastic housing of the sensor chip which consists of two plastic parts. In addition, a new construction solution that simplified assembly was to be proposed, a designated area for identification tagging was to be integrated into the design, and the aesthetic aspect of the design was to be finalized. The process implied working cross-disciplinary as an engineer, designer and a project manager in close collaboration with other development engineers, manufacturing engineers, material specialists and biochemists. The work iteratively progressed through the four phases: research, analysis, synthesis and evaluation. The work resulted in simplified assembly construction and the integration of a designated feature for identification-tagging. The design and construction were also verified, to a certain extent, respective of generic guidelines for injection molding and from specialists who reviewed the construction. A construction solution was proposed with an integrated snap fit design to allow simplified assembly. A selection of materials was also presented. Further investigation has to be done on behalf of the mold tool manufacturer in order to finalize the construction and with respect to tolerances.

Place, publisher, year, edition, pages
2009.
Series
MMK 2008:73 IDE 013
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-100017OAI: oai:DiVA.org:kth-100017DiVA: diva2:542696
External cooperation
Attana AB,David Rönnholm
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-08-02 Created: 2012-08-02 Last updated: 2012-08-02Bibliographically approved

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