Effects of Inclination of Contact Line on Friction and Wear of Worm Gears

概要

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The performance of worm gears is affected by the inclination of the contact line. In case of worm gears, the problem is that the contact lines of worm gears are nearly parallel to the sliding directions of the worm and the contact conditions are severe. But it has not been clear how much the inclination of the contact line affects the characteristics of friction. The authors, therefore, investigated quantitatively the relation between the performance and the contact line, and studied a method of designing and manufacturing worm gears with higher performance. First, the authors analyzed the relative motion of tooth surfaces of worm and wheel and made a test apparatus on which the contact conditions could be simulated considerably well. Next, experiments were conducted by using the apparatus which indicated pure effects of this factor. Further, the authors investigated into the performance of side worm gears, and tried to clarify the relation between the performance and the contact line.
一般社団法人日本機械学会の論文