Sökning: "Bolt"

Visar resultat 1 - 5 av 119 uppsatser innehållade ordet Bolt.

  1. 1. Comparative analysis of contact and non-contact method for determining the natural frequencies of a bolted joint

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Malin Dyberg; Elvira Troillet; [2023]
    Nyckelord :;

    Sammanfattning : To ensure high assembly quality of components, a proper clamping force in bolted joints is essential. The existing tightening technology rely on torque and angle; however, this thesis proposes a method for obtaining the clamping force of a bolted joint based on measuring the natural frequencies. LÄS MER

  2. 2. Test Rig Development for Real Time Clamping Force Estimation in Threaded Tightenings with Implemented Extended Kalman Filtering

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Annie Farell; [2023]
    Nyckelord :Clamping force; Threaded Fastener; Extended Kalman Filtering; Test Rig Development; Real Time Estimation; Sensor Placement.; Klämkraft; gängad fästelement; utökad Kalman filtrering; testrigsutveckling; estimering i realtid; sensorplacering.;

    Sammanfattning : The clamping force between the components during bolt tightening is of great interest, and it has been the focus of developing new tightening techniques for a long time. Today there is no easy or practical method to directly measure the clamping force in a typical production situation. LÄS MER

  3. 3. Evaluating the quality of ultrasonic signals using machine learning : A comparative study on binary classification methods applied on ultrasonic chirp signals

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Fabian Revilla; [2023]
    Nyckelord :mechatronics; machine learning; ultrasonic; bolt-tightening; nutrunner; clamp force control; elongation control; pre-load control; cross-correlation; mekatronik; maskininlärning; ultraljud; skruvdragare; klämkraft; klämkraftsåtdragning; klämkraftsreglering; korskorrelation;

    Sammanfattning : Advanced bolt-tightening tools such as automatic nutrunners are commonly used in industrial factories to streamline the assembly process. In safety-critical systems, it is crucialto control the tightening process. LÄS MER

  4. 4. Soft Values are Game Changers for Manufacturing Companies : Identifying, Creating and Capturing Consumer Values

    Master-uppsats, Linköpings universitet/Projekt, innovationer och entreprenörskap

    Författare :Alexander Dawidson; Hillevi Arkel; [2023]
    Nyckelord :Value Creation; Value Capture; Soft Values; Management; Manufacturing; Value Identification;

    Sammanfattning : Business strategies for competitive succession have been captivating the attention of scientists and entrepreneurs from all over the world. As more competitive circumstances are reached within a market, the value perspective expressed by consumers becomes increasingly relevant. LÄS MER

  5. 5. Comparison of finite element modelling techniques applied on Gripen structure

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Mathias Goodhe; [2023]
    Nyckelord :Finite element method; FEM; Global FEM; Detailed FEM;

    Sammanfattning : The goal of the thesis was to investigate and compare internal loads and bolt loads from different modelling methods using finite element method, from global to detailed, applied to a topologically correct air brake of a JAS 39 Gripen. The finite element method is a common used method for analysing strength properties of different structures. LÄS MER