Study on the optimal assembly misalignment of sugar-mill top shafts
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A study on the influence of misalignment in the fatigue life of sugar-mill top shafts is presented. The analysis of the behavior of the shaft loads, considering the flotation during the operation of the mill, allows determining the crack growth rate in the most critical section. It is possible to increase the fatigue life of the top shaft using this approach, which determines a good value of assembly misalignment. For the mill studied here, an optimal assembly misalignment of 1 mm, between the top shaft and the gear box reducer shaft, was obtained. For this position, the shaft fatigue life is 1,189 days of operation. A similar analysis of fatigue life can be carried out for the bottom shafts of the mill.
- Nelson Arzola, Andrés Tovar, Alexander Gómez, retrofit and optimization of a steel bar bending machine , Ingeniería y Competitividad: Vol. 9 No. 2 (2007)
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