MPT-08 CALCULATION AND MEASUREMENT OF DEFORMATIONS IN A PLANETARY ROLLER REDUCER(MECHANICAL MOTION AND POWER TRANSMISSION SYSTEMS)

概要

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The quest for smoother, more accurate and quieter operation has led to many different designs of reducers in power transfer machines. Between them, the roller type reducers are very smooth and accurate. For this type of reducers to work, it is very important to calculate the preload in between the rollers and the outer ring, so as to eliminate their slip and be able to transfer the requested amount of torque. To this end, this paper includes the derivation of the analytical equations that give the deformations of the outer ring under internal radial loads. The theoretical model is validated against experimental results. The measuring technique used, the problems encountered and the measures taken to overcome them are also presented. The final agreement between the theoretical and experimental results is very good and thus the final validated equations are used during the initial design studies of a roller reducer.
2009-05-13