Essays about: "vibration in gears"

Showing result 1 - 5 of 9 essays containing the words vibration in gears.

  1. 1. Development of method for early fault detection in small planetary gear sets in nutrunners

    University essay from Luleå tekniska universitet/Maskinelement

    Author : Joakim Stenudd; [2021]
    Keywords : Condition monitoring; predictive maintenance; planetary gear; signal analysis; product development; fault detection; circular economy;

    Abstract : The objective of this thesis work was to develop a method to detect early damage on small planetary gear sets that are installed in Atlas Copco nutrunners. The project has gone through several stages of product development, from idea to working product and signal analysis. READ MORE

  2. 2. Analysis of design requirements for early failure detection in a gear test rig

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : José Agustín Spaccesi; [2020]
    Keywords : Design requirements; Failure detection; FZG test rig; Gear; Konstruktionskrav; Skadedetektering; FZG-rigg; Kuggväxlar; Engranajes; Detección de fallo; Requisitos de diseño; Equipo de prueba FZG;

    Abstract : Gears are the heart of many machines, being its function transform and transmit torque. This work is a study of adequate design requirements, in particular, the best methodology to early detect gear fatigue failure using a gear test rig, an FZG test machine. READ MORE

  3. 3. Early Gear Failure Detection in Fatigue Testing of Driveline Components

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Govindraj Sannellappanavar; [2020]
    Keywords : Autoregressive modelling; Condition monitoring; Gear fault detection; Vibration analysis; Autoreggressiv modell; Feldetektering i växel; Tillståndsövervakning; Vibrationsanalys;

    Abstract : Early failure detection has been an integral part of condition monitoring of critical systems, such as wind turbines and helicopter rotor drivetrains. An unexplored application of early failure detection is fatigue testing of driveline components. READ MORE

  4. 4. Analytical Investigation of Planetary Gears Instabilities and the Impact of Micro-Macro Geometry Modifications

    University essay from KTH/Farkostteknik och Solidmekanik

    Author : Hamza Oudich; [2020]
    Keywords : Planetary gears; Instabilities; Resonance; Vibration; dynamic response; Spectral Iterative Method; Modal analysis; Static and dynamic transmission error; Gear mesh stiffness; Macro and micro-geometry; Phasing;

    Abstract : Due to their large torque-speed ratio and transmission efficiency, planetary gears are widely used in the automotive industry. However, high amplitude vibrations remain their critical weakness, which limits their usage especially when new strict noise legislations come into action. READ MORE

  5. 5. Fault detection of planetary gearboxes in BLDC-motors using vibration and acoustic noise analysis

    University essay from Uppsala universitet/Institutionen för elektroteknik

    Author : Henrik Ahnesjö; [2020]
    Keywords : Planetary gearbox; Fault detection; Condition Monitoring; Support Vector Machine SVM ; Machine Learning; Supervised Machine Learning; Defect Pinion; Defect Planet Gear; MATLAB; LabVIEW; Soundproof-box; Noise Vibration Harshness NVH ; Gearmesh Frequency GMF ; Power Spectrum; BLDC-motor;

    Abstract : This thesis aims to use vibration and acoustic noise analysis to help a production line of a certain motor type to ensure good quality. Noise from the gearbox is sometimes present and the way it is detected is with a human listening to it. This type of error detection is subjective, and it is possible for human error to be present. READ MORE