Development of Miniature Triangular Wave Gear

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Other Title
  • 三角波を用いた小型歯車の開発

Abstract

<p>Triangular wave gear is proposed aiming at durability of tooth and simplicity of tooth profile design in comparison to involute gear. Tooth profile is easily obtained by winding a pair of a triangular wave and its antiphase around the pitch circle without any consideration of module. Wound triangular wave outside and inside of the pitch circle form the top tooth gear and the bottom tooth gear respectively of 2-layer structure of triangular wave gear. Tooth width of this gear thus obtained has sufficient thickness and consequently long-life regardless of gear size. 1 tooth gear is possible by this gear design method that is unrealizable by involute gear.</p>

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