Essays about: "under-head torque"

Found 2 essays containing the words under-head torque.

  1. 1. Design and validation of the control systemfor a Pin-on-Disc Machine

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

    Author : SIMON CALMINDER; JONAS XU; [2021]
    Keywords : Pin-on-Disc; Tribometer; Model; PID; Control; Pinne-skiva; Tribometer; Modell; PID; Reglersystem;

    Abstract : The friction between the under-head of a bolt and the mounting surface affects the necessary torque from a tightening tool. To study the friction behaviour during a highly dynamic tightening process, a Pin-on-Disc testrig has been developed. READ MORE

  3. 2. Modular friction test rig for measuring torque and tension in threaded fasteners

    University essay from KTH/Maskinkonstruktion (Avd.)

    Author : Reza Afsharian; Antonios Theodoropoulos; [2018]
    Keywords : friction test rig; tightening; shank torque; under-head torque; clamp force; friktionstest; åtdragning; axelmoment; undermoment; spännkraft;

    Abstract : This report describes the development of a modular friction test rig for threaded fasteners. This device can measure the shank torque and the clamp force during the tightening of threaded bolts, with a size of M3-M14 and clamp length of 30-160mm. READ MORE