Development of a Feeding Chute for Lapping of Silicon Nitride Balls In Collaboration with AB SKF

dc.contributor.authorOldeaus, Olov
dc.contributor.authorKhona, Pranay
dc.contributor.departmentChalmers tekniska högskola / Institutionen för industri- och materialvetenskapsv
dc.contributor.departmentChalmers University of Technology / Department of Industrial and Materials Scienceen
dc.contributor.examinerAsbjörnsson, Gauti
dc.contributor.supervisorPradas Gomez, Alejandro
dc.date.accessioned2023-09-22T10:23:46Z
dc.date.available2023-09-22T10:23:46Z
dc.date.issued2023
dc.date.submitted2023
dc.description.abstractDriven by the increasing demand for electric vehicles and sustainable energy pro duction, the manufacturing industry anticipates significant growth in the market for hybrid bearings using silicon nitride bearing balls. This material is sought after for its durability, low density, and resistance to corrosion. However, the high production cost represents a major obstacle to widespread adoption. Consequently, this mas ter’s thesis focused on addressing the challenges encountered in the production of silicon nitride balls for hybrid bearings, specifically in the realm of surface machining. This thesis addresses the limitations of the current lapping machine used by AB SKF, to improve its performance. By focusing on the importance of uniform ball feeding for productivity and efficiency, the objective is to analyze the capabilities and constraints of the machine. Additionally, innovative concepts for a feeding chute capable of handling large volumes of silicon nitride balls and ensuring their even distribution within the lapping grooves will be developed and evaluated through prototype production and testing. Feeding solutions for the lapping process was developed, following the process of establishing requirements, generation of concepts and evaluating them through var ious methods. As the solutions converged on a feeding chute, an agile product devel opment approach was used for rapid prototyping, testing and refinement. Through multiple short iterations, chute designs were tested and refined on a simulated setup. Based on this testing, final designs were then created. These involved two propos als for a chute design to be evaluated by future tests in the real lapping machine. Finally, recommendations on further development was included regarding further testing, manufacturing and material selection. Overall, this thesis project provides valuable insights into the design and develop ment of the feeding chute, emphasizing the significance of future research and testing in a realistic manufacturing environment to validate the proposed solutions.
dc.identifier.coursecodeIMSX30
dc.identifier.urihttp://hdl.handle.net/20.500.12380/307073
dc.language.isoeng
dc.setspec.uppsokTechnology
dc.subjectFeeding, Lapping, Silicon Nitride, Chute, Ceramic Ball, Hybrid Bearings
dc.titleDevelopment of a Feeding Chute for Lapping of Silicon Nitride Balls In Collaboration with AB SKF
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster's Thesisen
dc.type.uppsokH
local.programmeProduct development (MPPDE), MSc
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