Master thesis is focusing on possibility of recycling waste from 3D prints. Goal was to degin a make lament extruder and winder. Design is based on research of avaible comercial and OpenSource solutions. The result is working machine with compact oor prejction, which is able to produce 110 grams of lament per hour. Deviation from diameter was ±0, 07. Conclusion place great emphasis on further improving and testing, beacuse it has not been reached limits of machine.

This project is in collaboration with Linnaeus University and Combitech AB, and part of the research arena WARA-PS, focuses on enhancing autonomous vehicles and their societal integration. By incorporating advanced autonomous systems, sensors, and communication tools across land, air, and sea, the aim is to reduce human intervention in hazardous environments. Current watercrafts are technically equipped but suffer from low availability and high manufacturing costs. The project proposes a modular and adaptable design, allowing 3D-printing of watercraft parts to customize for specific needs. The goal is to develop a 3D-printed watercraft applicable in research, rescue missions, and societal uses. The resulting nearly full-scale watercraft features a functioning drivetrain and detailed manufacturing documentation, highlighting waterproofing and customizable technical components. Extensive testing ensured its functionality and performance under various conditions.

Projektet gick ut på att utveckla ett antal koncept för att automatisera limningen av ett kullager som monteras i underdelen med hjälp av en kollaborativ robot. De ser detta som vägen framåt mot en mer effektiv produktion. Målet var att ta fram tre koncept för hur detta kan ske samtidigt som kraven upprätthålls. Projektet handlade endast om limningen av lagret och inte andra delar av sammanställningen av underdelen. Robotens gripdon som används vid sammanställningen fick dock inte modifieras på ett sätt som påverkar andra steg i processen. Underdelen är den komponent som fäster mätinstrumentet vid ett stativ. Den består av två huvuddelar som monteras vid varandra via ett lagerpar för att minimera oönskat spel. Utrymmet som finns tillgängligt begränsas huvudsakligen av robotens räckvidd och de andra stationerna i produktionslinan som roboten arbetar i. Tester av robotens förmåga att utföra de nödvändiga stegen genomfördes genom att stegvis testa dess egenskaper. Resultatet av dessa tester visade att roboten kunde utföra de nödvändiga stegen. De tre koncepten som togs fram byggde på varandras styrkor och svagheter med olika filosofier som grund. När dessa koncept var färdigställda utvärderades de och ställdes mot varandra i en beslutsmatris där det vinnande konceptet vidareutvecklades i CAD. Denna CAD-sammanställning omvandlades sedan med hjälp av 3D-utskrifter i PETG till en 1:1-skalig modell. Det koncept som valdes för vidareutveckling var det som bygger på att använda robotens rotationsförmåga och på så vis inte behöva några extra motorer. Resultatet blev då en station som uppfyller målen och går att använda för utveckling av produktionslinan. / The project aimed to develop several concepts for automating the bonding of a ball bearing that is mounted in the adapter housing with the help of a collaborative robot. They see this as the way forward to a more efficient production. The goal was to develop three concepts for how this can be done while maintaining the requirements. The project only dealt with the bonding of the ball bearing and not other parts of the assembly of the lower part. However, the robot's tongs used in the assembly could not be modified in a way that affects other steps in the process. The adapter housing is the component that attaches the measuring instrument to a tripod. It consists of two main parts that are mounted together through a pair of ball bearings to minimize unwanted play in the construction. The space available is mainly limited by the robot's reach and the other stations in the production line where the robot acts. Tests of the robot's ability to perform the necessary steps were carried out by systematically testing its features. The results of these tests showed that the robot could perform the necessary steps. Three concepts were developed that built on each other's strengths and weaknesses with different philosophies as a basis. When these concepts were completed, they were evaluated and compared in a decision matrix, where the winning concept was further developed in CAD. This CAD assembly was then converted using 3D printing in PETG to a 1:1 scale model. The concept chosen for further development was the one based on utilizing the robot's rotational capability, thus eliminating the need for any additional motors. The result was a station that meets the objectives and can be used for the development of the production line.