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논문 기본 정보

자료유형
학술대회자료
저자정보
Minami Kimura (Tamagawa University)
저널정보
한국소성·가공학회 플라스틱가공 심포지엄(한일 공동 세미나) The Korea-Japan Polymer Processing Joint Symposium 2018
발행연도
2018.8
수록면
50 - 53 (4page)

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초록· 키워드

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It was tried for light weighting by a board made of CFRP that I made a gear with cutting, but an addendum has been damaged without a carbon fiber being able to tolerate shear stress. The authors developed a method to prevent the damage of the addendum part by orienting a carbon short fibers bunch in a fan type along the shape of the addendum. Using the carbon short fibers bunch of 6mm - 10mm in length, CFRP Chan sprocket was produced experimentally using a silicone gum mold at 22 ℃±1 ℃ in the draft chamber in 24h. The Chan sprocket made of provided CFRP was light weighted, and, as for the weight, it was to half of 110g in weight of the product made in A7075 extra super duralumin Chan sprocket with 54 g. CFRP Chan sprocket (the outside) and Chan sprocket (the inside) made of A7075 extra super duralumin were attached to a bicycle, and the output was measured by a pedal type power meter. A run examination of 3000km and 5000km was conducted about perfect circle CFRP chain sprocket and oval CFRP chain sprocket each. As many teeth bore the Chan tension with the CFRP Chan sprocket for the bicycle, the run with the low power was enabled by the gear ratio that there were very few bottom dead center sections and was high.

목차

Abstract
1. Preface
2. Experimental procedure
3. Experimental result
4. Concideration
5. Conclusion
References

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