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Mild wear in gears is in most cases a smooth process giving initially improved contact conditions followed by a very slow and mild wear process. In some cases the mild wear may cause unfavorable changes of the surface topography, giving non-uniform gear rate, increasing dynamic effects and perhaps more severe forms of tooth failures. The knowledge about the interactions between mild wear, dynamic...
A simplified model for wear simulation of helical gears is developed. A helical wheel is treated in the model as several thin independent spur gear teeth with a common central axis and gradually turned relative each other a small angle corresponding to the helix angle. The load distribution along a tooth flank varies depending on the stiffness of a tooth. The tooth stiffness is determined with an...
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