• Title/Summary/Keyword: Radial tire

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전세계의 타이어 산업 전망

  • Korea Tire Manufacturers Association
    • The tire
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    • s.85
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    • pp.13-16
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    • 1979
  • 본자료는 1979년 2월 EXXON CHEMICAL 에서 전세계타이어 산업에 대한 장기전망(1975~1985)을 추정한 것이다. 특히 본조사는 전세계를 7개지역(아세아 태평양, 미국, 중남미, 서구, 동구, 아프리카, 중동)으로 나누어, 각지역별 승용차 및 운송차량(승용차제외)의 보유대수와 Radial타이어의 비율을 추정하여 종합정리한 것이다. <편집자 주>

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세계 자동차 타이어산업 전망

  • Korea Tire Manufacturers Association
    • The tire
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    • s.119
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    • pp.40-51
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    • 1985
  • 본고는 84년 일본 Exxon Chemical 에서 조사, 발표한 전세계 지역별 타이어 수급실적 및 장기예측을 요약정리한 것이다. 특히 본자료에서는 타이어산업의 년간평균증가율의 장기전망과 타이어 수출입동향, 또 Radial 타이어와 Tubeless 타이어의 생산비율 등을 추정분석하였다.<편집자주>

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아시아 ㆍ태평양제국 타이어산업전망

  • Korea Tire Manufacturers Association
    • The tire
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    • s.113
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    • pp.46-50
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    • 1984
  • 본고는 최근 일본 Exxon Chemical에서 조사, 발표한 아시아ㆍ태평양지역국가들의 타이어ㆍ튜브 생산실적 및 장기예측을 요약정리한 것이다. 특히 본자료에서는 타이어산업과 밀접한 관계가 있는 자동차 생산ㆍ출하실적 및 보유대수를 장기추정하고 있으며 또한 Radial 타이어와 Tubeless타이어의 생산비율도 추정분석 하였다. <편집자주>

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세계 정상을 고수하기 위한 Goodyear의 전략

  • Lee, Gwang-Jae
    • The tire
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    • s.103
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    • pp.22-25
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    • 1982
  • Radial화의 지연으로 미국시장을 Michelin, Bridgestone등에 잠식당한 Goodyear는 이제 미국시장을 회복시키기 위한 반격태세를 취하고 있다고 "Business Week"지에서 보도하였다. 그리고 동 리포트에 의하면 Goodyear, Michelin, Bridgestone 의 삼파전은 앞으로도 점차 격화되어 각사의 이익은 오히려 저하될 것이라고 분석하고 있다.<편자주>

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천연고무의 역사

  • Lee, Gwang-Jae
    • The tire
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    • s.104
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    • pp.35-50
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    • 1983
  • 고무공업에서 중요한 위치를 차지하고 있는 천연고무는 고분자 중에서도 옛부터 실용화 되고 있는 것이다. 특히 석유파동 이후의 천연자원의 재평가와 Radial 타이어의 수요증대에 따라 불사조와 같이 부활된 저력에는 괄목할만 한 점이 있으므로, 다시 한번 그 가치를 재고해 보고자 한다.<편집자 주>

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승용차용 Radial 타이어의 배합

  • Baek, Bong-Gi
    • The tire
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    • s.43
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    • pp.5-6
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    • 1972
  • 역자 주 : 본문은 1971년 10월에 미국 Ohio주 Akron 시에서 개최되었든 Akron Rubber group 년차총회에서 Firestone 타이어 회사의 Terry T. Leyden씨에 의하여 발표 된 것으로서 필자가 지난 7월 AID 계획에 의해서 기술 연수차 도미시입수 한 것을 번역소개하는 것입니다.

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3-D Vibration Modes of the Tire in Ground Contact and Its Effects on Axle When Excited by a 3-D Impact at the Center of Contact Patch (접지면 중앙에서 3차원 방향의 충격 가진에 의한 타이어의 3차원 진동형이 축에 미치는 영향)

  • 김용우;남진영
    • Transactions of the Korean Society of Automotive Engineers
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    • v.11 no.6
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    • pp.171-182
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    • 2003
  • Tire vibration modes are known to play a key role in vehicle ride and comfort characteristics. Inputs to the tire such as impacts, rough road surface, tire nonuniformities, and tread patterns can potentially excite tire vibration. In this study, experimental modal analysis on the tire in ground contact are performed by a 3-D impact at the center of contact patch to investigate which modes of tire influence the vibration of wheel and axle. Through the experiment, the vibration transmission properties from tire to axle are examined. And we have compared the influential tire modes when the tire is excited by a vertical impact with those when excited by the 3-D impact. Additionally, the modes of ground contact tire are compared with those of the suspended tire.

Effect of Tire Contact Stresses on Tensile Strains in the Surface of Thin Asphalt Pavement (접지압력이 앎은 아스팔트포장 표층 인장 변형률에 미치는 영향 분석)

  • Park, Dae-Wook;Park, Joon-Kyu
    • International Journal of Highway Engineering
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    • v.10 no.2
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    • pp.47-55
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    • 2008
  • In this paper, comparisons are presented on the predicted tensile strains which can affect the fatigue life of a thin asphalt concrete (AC) pavement near the surface of pavement from three-dimensional (3D) finite element (FE) using 3D measured tire contact stresses of a radial tire and a bias ply tire and a layered linear elastic program (BISAR). The objective was to analyze the stress distributions for a 11R22.5 radial tire and a $10{\times}20$ bias ply tire, and to compare the predicted tensile strains at the top and bottom of AC surface using different analysis methods. The results show that the stress distributions of two tires are similar but the 11R22.5 radial tire has much higher vertical contact stress than that of the $10{\times}20$ bias ply tire. The predicted tensile strains at the bottom of AC layer under the center of tire showed higher value by BM (BISAR with the measured contact area) method, which the measured tire contact area is used in a layered elastic program, while the tensile strain at the top of AC surface of 3.5cm offset distance from tire edge by 3D FE analysis showed the highest values among three analysis methods.

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Coasting and Post-impact Motion of a Vehicle With Tire Blowout (타이어 펑크 차량의 주행 및 충돌후 거동)

  • Han, Inhwan;Lim, Sanghyun;Park, Jong-Chan;Choi, Jihun
    • Journal of Korean Society of Transportation
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    • v.32 no.5
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    • pp.503-512
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    • 2014
  • In this paper, various tire blow-out force experiment data were collected and analyzed to obtain approximate values of related coefficients such as rolling resistance, self-aligning torque, cornering stiffness, and radial stiffness for the analysis of the motion of vehicles with tire blow-outs. These coefficients related to tire blow-outs were input into a vehicle accident analysis program to simulate and examine the effects of tire blow-outs. Various configurations and velocities of vehicle collisions without tire blow-outs were also used as reference to establish collision events of vehicle collisions with tire blow-outs. For the events, the simulation analysis was performed and collision characteristics were obtained. Consideration of tire blow-outs or damages suggested in this study will greatly contribute to more reliable vehicle accident reconstructions.

3-D Vibration Modes of the Tire in Ground Contact and Its Effects on Wheel and Axle When Excited by a Vertical Impact at the Center of Contact Patch (접지면 중앙에서 수직방향 가진에 의한 타이어의 3차원 진동모드가 휠/축에 미치는 영향)

  • Kim, Yong-Woo;Nam, Jin-Young
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.28 no.4
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    • pp.325-332
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    • 2004
  • Tire vibration modes are known to play a key role in vehicle ride and comfort characteristics. Inputs to the tire such as impacts, rough road surface, tire nonuniformities, and tread patterns can potentially excite tire vibration. In this study, experimental modal analysis on the tire with ground contact are performed by impacting the tire in the radial direction at the center of contact patch. To investigate which modes of tire influence the vibration of wheel and axle when the tire is in contact with ground, the vibration characteristics such as frequency response functions, natural frequencies and their mode shapes from tire to wheel/axle are examined.