A study of meshing circumstance of bevel gears made from bamboo fibers extracted with a machining center based on tooth root strain monitoring under driving conditions

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  • マシニングセンタで抽出した竹繊維のみで成形したベベルギヤの歯元ひずみモニタによる駆動時のかみあい状態に関する考察
  • マシニング センタ デ チュウシュツ シタ タケセンイ ノミ デ セイケイ シタ ベベルギヤ ノ ハモト ヒズミ モニタ ニヨル クドウジ ノ カミアイ ジョウタイ ニカンスル コウサツ

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Abstract

There is a particular need to develop sustainable and reproducible natural materials to address environmental issues. In previous research, we devised a method to extract high-quality and high-precision bamboo fiber, namely fine bamboo fiber, using a machining center, and using hot press molding, we produced bevel bamboo gears, which are mechanical elements with complex shapes. This paper describes the meshing condition of bamboo fiber gears based on tooth root strain measurement. The relationship between tooth contact and meshing was examined by monitoring the tooth root strain and the meshing ratio was discussed. As a result, it was found that bamboo fiber bevel gears show an increasing trend in tooth contact area toward the outer end of the tooth contact in response to an increase in torque. In addition, due to the low stiffness of the bamboo material, the meshing of the adjacent teeth affects the tooth root stresses under driving conditions.

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