Examensarbeten på grundnivå // Basic Level Theses

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https://odr.chalmers.se/handle/20.500.12380/40

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Augmented reality - A tool for improvement in the manufacturing industry
(2016) Danielsson, Tobias; Eriksson, Daniel; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Automatiseringsanalys av tillverkningsprocess hos Vehtec AB
(2017) Östberg, David; Myhrman, Felix; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Construction of a temperature-controlled chamber
(2023) Kassem, Mohammad; Hjalmarsson, Samuel; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science; Persson, Christer; Radovanovic, Mirko
This degree project aims to construct a temperature-controlled chamber for evaluating the strength and elongation of conveyor system components at temperatures spanning from room temperature to 100 °C. The objective is to improve the quality of the company’s products by testing their conveyors’ mechanical properties, including tensile strength, yield strength, and ductility, at various temperatures. This report describes the construction of a temperature-controlled chamber with a temperature range of ambient to 100 °C, including its heating element, temperature sensor, control system, insulation, air circulation ventilation, and safety features. Also discussed are the materials used to construct the chamber, such as ceramic insulation and aluminum box. In its conclusion, the report highlights the project’s limitations, namely the insufficient budget for the chamber’s construction, potentially leading to inaccurate temperature regulation, and the fact that the chamber will be partially open, resulting in temperature fluctuations
Design and Development of an Electri cally Actuated Gear Shifting Sys
(2023) Nielsen, Cornelia; Slobo, Amelie; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science; Melkersson, Kjell; Melkersson, Kjell
This bachelor thesis examines a potential implementation of an electrical actuator in a gear shifting system. The EPT gearbox has been provided by Volvo Group Trucks Technology whereupon selected components requires a potential reconstruction. The final result has been achieved using research methodology, concept generation and construction of components. The study shows that an implementation of the electric actuator is possible with a orientation similar to today’s pneumatic one.
Design av portabelt sprinklersystem - För ett personligt brandskydd
(2017) Phu, Manli; Gabrielsson, Angélika; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Förstudie av anläggning för pallhantering på SKF
(2018) Classon, Sara; Eriksson, Jakob; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Förstudie av en automatiserad materialflödeslösning - Webers iso-Lecablockstillverkning
(2014) Andersson, Emma; Myrestam, Patrik; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Framtagning samt utvärdering av vridbordskoncept
(2017) Berglund, Erik; Rohlén, Fredrik; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Intensivvårdsventilation i tryckkammare
(2013) Barth, Stefan; Rasmusson, Torbjörn; Chalmers tekniska högskola / Institutionen för material- och tillverkningsteknik; Chalmers University of Technology / Department of Materials and Manufacturing Technology
Kombinerad 3D-scanning
(2014) Berggren, Alexander; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Kundcentrerad produktionsutveckling av lyftvagn
(2019) Helgegren, Carl; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Syftet med detta arbetet är att på ett konkret sätt påvisa vikten av att följa en grundlig och strukturerad produktutvecklingsstrategi. Det vill säga vikten av att göra rätt från början och inte slösa på resurser för att nå ett så bra resultat som möjligt till kund. Quality Function Deployment (QFD) heter den metoden använts för att bevisa just detta. QFD konkretiseras i detta arbetet genom att appliceras efter en önskad kravbild för framtagning av en lyftvagn. Först bryts problemet på ett metodiskt tillvägagångssätt ner, varpå detta sedan analyseras vidare och studeras mer noggrant genom bl.a. Kano metoden för att i större utsträckning förstå kundens behov. En mycket viktig del i QFD sker därefter när dessa krav som till en början kan verka abstrakta och svåra att definiera översätts till fysiskt mätbara parametrar, s.k. tekniska krav. Tillsammans med kundkraven jämförs därefter de tekniska kraven korsvis med varandra för att tydligt kartlägga deras direkta beroende av varandra i matrisen House Of Quality (HOQ). Matrisen HOQ kan ses som kärnan i QFD och används sedan som hjälp till att ta fram en preliminär produktspecifikation varpå sedan konceptgenereringen kan ta avstamp från.
Passagerarbehov i självkörande bilar: Ett arbete inom produktutveckling på Volvo Personvagnar AB
(2019) Blom, Philip; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Abstract The aim of this study is to obtain insight as to how the development of a foldable table in autonomous cars can be designed and constructed. Moreover, it includes the aspects of product development based on the underlying flaws of existing product or change in customer needs. In order to collect suggestions a customer survey was sent out to over hundred of product developers and the data was collected and put together accordingly in a matrix. Based on the customer survey a requirement specification was made. A representation of the product divided in functions was concluded in a function tree. With the use of an analysis of the current competitors and their similar products in the area together with brainstorming, all the solutions to the functions was collected in a morphological matrix. The morphological matrix was used to create twelve different, mostly innovative concepts. The concepts was made with various suggestions as to where they could be attached in the cars interior. An evaluation matrix was constructed based on aspects such as stability, flexibility, simplicity to use amongst others. All the twelve concepts were given a final score in which the most fitting concepts was picked out in discussion together with the company. A design of the part that would attach to the table in order to obtain desired requirements and needs was made. It has not yet been decided exactly how the interior in the future of autonomous car should look. Therefore it was concluded that since the difference in total points of most of the concepts were just by a few points, that different concepts could be chosen depending on the aim of the development in the future and also in which part i the interior the aim is to put the table. Also, the concepts could with easily be used in regular cars if the safety regulations would allow it.
Processutveckling för ett samverkande robotsystem
(2015) Gustavsson, Jonas; Olsson, Anton; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Produktutveckling av bett till ridhästar
(2015) Nöjd, Ulrika; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Reglering av materialnivå i stenkross
(2016) Vikman, Kalle; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Robot Assembly of Switches
(2018) Abrahamsson, Isak; Johansson, Simon; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Säker förflyttning av ömtåliga glasflaskor
(2015) Hagström, Albin; Johansson, Jonatan; Chalmers tekniska högskola / Institutionen för produkt- och produktionsutveckling; Chalmers University of Technology / Department of Product and Production Development
Sammansatt system för automatiskt byte, gradning och matning av punktsvetsspetsar
(2018) Friman, Henrik; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science
Simulering – FEM (Finita Elementmetoden)
(2014) Silva, Louise da; Chalmers tekniska högskola / Institutionen för material- och tillverkningsteknik; Chalmers University of Technology / Department of Materials and Manufacturing Technology
Utvärdering av olika torkmetoder för torkning av filament till 3D skrivare för hemmabruk
(2023) Lund, Anton; Chalmers tekniska högskola / Institutionen för industri- och materialvetenskap; Chalmers University of Technology / Department of Industrial and Materials Science; Ylipää, Torbjörn; Bengtsson, Eric
This work was conducted on behalf of add:north, which is a Swedish company that manufactures filament for 3D printers. Filaments are small plastic balls that have been extruded to a specific diameter with very high tolerances for use in 3D printers. As there are filaments that are very hygroscopic (good at absorbing moisture from the air), some filaments must be dried so that they do not have significantly worse printing properties than their dry counter parts. Examples of such artifacts caused by moisture are bubbles on the prints surface or small plastic strings in-between the different printed parts. The purpose of the report is to investigate which components for home-use that will result in the driest filament in six hours in a chamber heated to 70 °C, and to investigate if it is possible to design a filament dryer that is more efficient than what is available on the market today. To determine this, a moisture meter is used to measure the moisture in the plastic by heating it to 120 °C for four hours and meanwhile measuring the change in weight of the plastic. This then gives a number for how much moisture has been removed from the plastic. The filaments used for these tests is a filament, which according to add:north should be extra hygroscopic. The different solutions that are designed during this report will be compared with two dryers commonly used for drying filament, according to the same principles. The result of the work shows that it is entirely possible to develop a dryer that is better than those that exist on the market today. The drying solution that was found to work the best was better than the best commercial solution tested. It contained two 150x50mm silicone heating elements and a fan. It resulted in a 43 % drier filament than the best tested commercial solution

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