Grain transportation is critical for agricultural production since harvesting demands reliable equipment for the efficient execution. Although the robustness of the implement is fundamental, over-dimensioning may results in waste of inputs and fuels, increasing costs and may causing loss of commercial competitiveness. Agricultural chaser bins are the connecting elements during the harvest process. It is common practice to align the chaser bin with the harvester for storage and later transfer the grains to the truck that drains production to silos, ports, railway points and industries. To meet this activity, the development of the equipment requires a high level of reliability. Therefore, this work presents a durability evaluation of the chaser bin header. Through finite element analysis and field stress measurements, the level of stresses acting on the component is calculated. Subsequently, the component's fatigue life is evaluated with a focus on welded joints using dedicated software, based on the Volvo-Chalmers method. The calculation of damage and fatigue life is performed according to membrane and bending stresses criteria of the elements connected to the weld profile. The chaser bin header indicates a fatigue life of 687 hours for the test track signal and 27,444 hours for the signal measured on field. For 10,000 hours minimum service life it is recommended to physically test the component in 250.2 hours on the test track.
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