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Fatigue Strength

Home » Topics » Design » Fatigue Strength
  • High cycle fatigue test rig
    June 27, 2022
    By Johannes Lövenich

    Design and Simulation of a Back-to-Back Test Rig for Ultra High Cycle Fatigue Testing of Gears Under Fully Reversed Load

    Aircraft engines can be made more efficient by integrating planetary gears. In such an application, the planetary gears experience very high load cycles under fully reversed bending loads. Pulsator test rigs, which nowadays offer the possibility to perform UHCF investigations, can only be used for purely pulsating loading of gears. Therefore, for the investigation of the UHCF tooth root load carrying capacity under fully reversed bending load, a back-to-back test rig is required. Back-to-back test rigs usually have speeds of n = 3,000 rpm, which makes investigations in the UHCF range take a very long time. Therefore, a high-speed back-to-back test rig was developed.

  • Article legacy id 11070 featured image
    February 22, 2021

    Klingelnberg Offers Fatigue Strength and Service Calculation of Gears

    Bevel gear design is well-established. Flank geometry optimization is used worldwide to ensure satisfactory low-noise emissions and speci...
  • September 1, 2018

    Influence of Different Manufacturing Processes on Properties of Surface-Densified PM Gears

    The properties of both shot-peened and cold rolled PM gears are analyzed and compared. To quantify the effect of both manufacturing processes, the tooth root bending fatigue strength will be evaluated and compared to wrought gears.
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  • May 1, 2014

    Industry News

  • March 1, 2008

    Methodology for Translating Single-Tooth Bending Fatigue Data to be Comparable to Running Gear Data

  • May 1, 2003

    Characterizaton of Retained Austenite in Case Carburized Gears and Its Influence on Fatigue Performance

  • March 1, 2001

    Austempered Gears and Shafts: Tough Solutions

Read More

Blog Posts

  • February 22, 2021
    By Matthew Jaster

    Fatigue Strength and Service Calculation of Gears

  • May 13, 2020
    By Charles D. Schultz

    Visiting Old Friends

Read More

Authors

  • Charles schultz
    Charles D. Schultz
  • Matthew jaster
    Matthew Jaster
  • Jens brimmers
    Jens Brimmers
  • Christian brecher
    Prof. D... Christian Brecher
  • Johannes lövenich
    Johannes Lövenich
  • Trippe, moritz
    Moritz Trippe
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