Geometric Analysis and Maintenance of a Sprocket

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dc.contributor.advisorBodzás, Sándor
dc.contributor.authorYousef, Fares
dc.contributor.departmentDE--Műszaki Kar
dc.date.accessioned2026-06-02T12:21:36Z
dc.date.available2026-06-02T12:21:36Z
dc.date.created2026-05-05
dc.description.abstractThis thesis investigates the geometric deterioration of a three-gear bicycle sprocket assembly with 28, 38, and 48 teeth. It uses reverse engineering and 3D laser scanning to capture the worn sprockets, then reconstructs their CAD models using Geomagic Design and Siemens NX. Restored reference models were created by adding 0.1 mm to the tooth profiles, allowing comparison between the worn and estimated unworn geometries. The analysis showed that the greatest wear occurred around the tooth perimeter, with the large gear showing heavy continuous wear and the medium gear showing the most irregular deformation. The main wear mechanisms identified were abrasive and fatigue wear, with possible adhesive and corrosive effects depending on lubrication and operating conditions. Based on these findings, the thesis proposes preventive, condition-based, and predictive maintenance actions such as cleaning, lubrication, tightening checks, visual inspection, and diagnostic measurements.
dc.description.courseMechanical Engineeringen
dc.description.degreeBSc/BA
dc.format.extent52
dc.identifier.urihttps://hdl.handle.net/2437/407699
dc.language.isoen
dc.rights.infoHozzáférhető a 2022 decemberi felsőoktatási törvénymódosítás értelmében.
dc.subjectMaintenance
dc.subjectSprocket
dc.subject3D Scanning
dc.subjectCAD
dc.subject.dspaceEngineering Sciences
dc.subject.dspaceEngineering Sciences::Engineering
dc.titleGeometric Analysis and Maintenance of a Sprocket
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Theses (Department of Mechanical Engineering)