In recent years, engineers have searched for low power loss alternatives in many applications where rolling bearings with high frictional losses were used, e.g. tapered roller bearing. New types of bearings with lower frictional losses have been designed to cover this need. As an example, the commonly used tapered roller bearing in axle-gearboxes of passenger cars has been replaced by a new design of a double rowed ball bearing. However, there are still some applications where no ideal alternative has been found yet. One example are axlegearboxes for heavy-duty trucks, where double rowed ball bearing cannot be used due to insufficient load carrying capabilities. A possible concept for reducing the friction in such systems is the tapered barrel roller bearing can be named. Based on its geometry, a simulation-based optimization will be performed in order to develop a new kind of bearing leading to reduced friction losses in heavy-duty applications. The results of these simulations will be presented in this paper. As a further investigation, the final design will be tested experimentally to validate the results.
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- Development of new rolling bearing for heavy-duty truck applications
Neuer Inhalt, AVL List GmbH/© AVL List GmbH, dSpace, BorgWarner, Smalley, Valeo Logo/© Valeo, FEV