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Fatigue behavior of agricultural rims under rotating bending load

Wöllner, Uli ; Szlosarek, Robert ; Kröger, Matthias

Fatigue & fracture of engineering materials & structures, 2022-08, Vol.45 (8), p.2143-2158 [Periódico revisado por pares]

Oxford: Wiley Subscription Services, Inc

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  • Título:
    Fatigue behavior of agricultural rims under rotating bending load
  • Autor: Wöllner, Uli ; Szlosarek, Robert ; Kröger, Matthias
  • Assuntos: Actuators ; agricultural rims ; Bending fatigue ; Cornering ; Crack initiation ; Crack propagation ; Damage prevention ; fatigue ; Fatigue cracks ; Fatigue failure ; Fatigue tests ; finite element analysis ; Finite element method ; Hydraulic equipment ; non‐proportional loading ; Numerical methods ; Rims ; rotating bending ; Rotation ; test rig ; Tractors
  • É parte de: Fatigue & fracture of engineering materials & structures, 2022-08, Vol.45 (8), p.2143-2158
  • Descrição: Agricultural rims are highly loaded components which affect the functionality and safety of tractors significantly. For this reason, it is essential to prevent a damage of the rims. However, fatigue‐initiated cracks along the bolt circle arise at any time during application. Until now, the determining load for the crack initiation is unclear. The paper investigates this fatigue problem by experimental, analytical, and numerical methods. Therefore, a test rig using hydraulic actuators is designed to load the rim by rotating bending in combination with a lateral force. The loads are deduced by an analytical model of the tractor under different driving situations like cornering. The finite element model shows the critical locations by performing a fatigue analysis of the driving situation. The experimental and numerical results verify the assumption that the rotating bending in combination with a lateral force leads to the fatigue cracks also found by tractors in reality. Highlights The paper shows the fatigue testing of 42″ tractor rims under rotating bending An analytical model for forces at the wheels for various driving situations is presented A finite element analysis of this non‐proportional load situation is presented Comparison of experimental and numerical fatigue investigation is shown
  • Editor: Oxford: Wiley Subscription Services, Inc
  • Idioma: Inglês
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