Abstract
In this paper, a theoretical research is made on the influence of the friction force, the profile shift coefficient and the radial component of the normal force in the Form Factor applicable to the stress on spur gears’ teeth. A Gear’s FEM model was establish with the best approach to the real physical models, for the validation of the New Form Factor Model elaborated and then, the stress calculation in gear tooth root. Finally Using FEA and Multiple Lineal Regression, a new expression for the calculation of the stress concentration coefficient in the feet of the tooth, in function of the number of teeth and of the correction coefficient, was found.
Published Version
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