Sökning: "Roller bearings"

Visar resultat 1 - 5 av 18 uppsatser innehållade orden Roller bearings.

  1. 1. The OpenXO. 3D Printed Modular Exoskeleton Segment

    Master-uppsats, Luleå tekniska universitet/Rymdteknik

    Författare :Árni Þór Þorgerirsson; [2023]
    Nyckelord :Exoskeleton; Open-Source; Fused Filament Fabrication FFF ; Cycloidal Drive; OpenXO; precision fabrication;

    Sammanfattning : Exoskeletons are wearable devices that enhance or supplement the user’s natural abilities. They have been demonstrated to be efective in alleviating pain, reducing work related injuries, improving working conditions, and can play a pivotal role in improving recovery times and recovery outcomes. LÄS MER

  3. 2. Agile robotic arm for vertical applications - Evaluation, design and development

    Master-uppsats, Lunds universitet/Maskinelement

    Författare :Rasmus Gren; [2023]
    Nyckelord :Robotic arm development; HKM; Kinematics; Product development; Technology and Engineering;

    Sammanfattning : Existing pick and place robots are either heavy or have a limited workspace for vertical operations. Since there is no robot today that are both light and have a good vertical workspace, this leads to a gap in the market. LÄS MER

  4. 3. Design of a test rig for in situ hydrogen charging of rolling element bearings under load

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Maskinelement

    Författare :Oskar Moström; [2023]
    Nyckelord :tribology; hydrogen embrittlement; mechanical engineering; rolling element bearing; machine elements; design; mechanical design; CAD; mechanical construction; construction; material science; Tribologie; Wasserstoffversprödung; Maschinenbau; Wälzlager; Maschinenelemente; Design; Maschinenkonstruktion; CAD; mechanischer Bau; Konstruktion; Materialwissenschaft; tribologi; väteförsprödning; maskinteknik; rullningselementlager; maskinelement; design; mekanisk design; CAD; mekanisk konstruktion; konstruktion; materialvetenskap; lager;

    Sammanfattning : This Master's thesis is part of the Hydrogen Embrittlement in Rolling element bearings project (HERo) initiated at Luleå University of Technology (LTU), with the primary objective of determining critical hydrogen concentrations in bearing steel for rolling element bearings. The specific aim of this Master's thesis is to design a test rig that enables the investigation of the effects of hydrogen embrittlement on rolling element bearings under load. LÄS MER

  5. 4. Mätrigg för givarplacering på provfordon

    Kandidat-uppsats, KTH/Maskinkonstruktion

    Författare :Marcus Johan Haeggman; [2023]
    Nyckelord :measurement rig; design; truck; testing; product development; mätrigg; design; lastbil; provning; produktutveckling;

    Sammanfattning : Scania är en av världens största lastbils- och busstillverkare och leverantör av motorer för industri och marina applikationer. Detta examensarbete har undersökt olika tekniska lösningar för att öka precisionen och tillförlitligheten i placeringen av givare på Scanias provfordon. LÄS MER

  7. 5. Multibody modelling of the vibrations in an aircraft engine

    Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Författare :Charly Mollet; [2022]
    Nyckelord :Vibrations; Multibody Modelling; Rolling Bearings; Rotor Dynamics; Reduction Processes; Vibrationer; multikroppsmodellering; rullingslager; rotordynamik; reducktionsprocesser;

    Sammanfattning : During the assembly of aircraft engines, some clearance is left in the rolling bearings mainly to reduce friction. However this clearance might allow the rolling element to vibrate during flight. Indeed, unwanted vibrations called non-synchronous vibrations (NSV) appear on the data recorded by the sensors on some development engines. LÄS MER