Sökning: "Frictional moment measurements"

Hittade 2 uppsatser innehållade orden Frictional moment measurements.

  1. 1. The Influence of Electric Currents on Performance of Grease Lubricated Rolling Element Bearings

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Bharath Chanamolu; [2022]
    Nyckelord :Angular contact bearings; Bearing currents; Shaft voltages; Film thickness estimation; Electrical-capacitance method; Frictional moment measurements; Lubricant starvation; Vinkelkontaktlager; Lagerströmmar; Axelspänningar; Filmtjockleksuppskattning; Elektrisk-kapacitansmetod; Friktionsmomentmätningar; Smörjmedelsvält..;

    Sammanfattning : The technological advancement in electrical machinery represents the need to understand the lubricant behaviour in the electrical environment. As shaft voltages are unavoidable in electrical machinery, developing new grease formulations and studying their performance against electric loads is required. LÄS MER

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

    Master-uppsats, KTH/Maskinkonstruktion (Avd.)

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

    Sammanfattning : 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. LÄS MER