2P1-B05 変形クラウンギヤを用いた低バックラッシュ減速機構の提案

概要

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In this paper, we propose a novel motion and power transmission using crown gears with elactic spokes. The crown gear pair is meshing in face to face, one acts as a stator and the other as a rotor. The stator gear has n teeth and be fixed on a housing. Number of teeth of rotor gear is n-1 (or n+1 teeth also be availed) and the hub is connected to the output shaft. The spokes of rotor gear are elastically deformed according to gears rolling. The feature of this transmission are low backlash, high reduction ratio (=1/n), and short length. These points will greatly contribute to design of small mechanisms such as a finger joint of a robot hand. The meshing of crown gear pair was simulated, and then gear parameters were designed . The prototype of reduction gear was driven successfully.
一般社団法人日本機械学会の論文
2009-05-25