角度伝達に関し組み立て誤差に鈍感な鼓形ウォームギヤの開発

概要

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The authors developed the new type hourglass worm gear with insensibility of assembling error for angular transmission because of involutes helical gear wheel. The theory,the calculation of the tooth contacts analysis for the prediction of the performance of the gear and the production method of the steel worm and the wheel are reported. A set of the hourglass worm gears was manufactured. The efficiency was tested by the power absorption type worm gear testing machine,designed and made by the authors. The efficiency and the ability for high load transmission of the hourglass worm gear were tested. The insensibility of assembling error for angular transmission is tested. The high performances of the worm gear were proved by the experiments.