• 제목/요약/키워드: ELV

검색결과 60건 처리시간 0.019초

자동차 전장용 무연 솔더 기술 (Lead-free Solder Technology and Reliability for Automotive Electronics)

  • 이순재;정재필
    • 마이크로전자및패키징학회지
    • /
    • 제22권3호
    • /
    • pp.1-7
    • /
    • 2015
  • In this study, properties of Pb-free solders for automotive electronics parts were discussed. Lead-free solders for electronics became important after RoHS (Restriction of the use of certain Hazardous Substances) to avoid environmental pollution. Also the growing electronic rate in automotive parts and ELV (End-of Life Vehicles) make Pb-free solder for automotive electronics to be inevitable trend. Definitely, Pb-free solder for automotive electronics should have good wettability, basic strength, but need more reliability than other solders, since it has harsh condition like high temperature, humidity and engine vibration. Thus, shear strength test, thermal shock, drop test and many others are needed to ensure the high reliability. This study describes the properties and requirements of Pb-free solders for automotive electronics.

국내외(國內外) 자동차(自動車) 리싸이클 규제(規制) 현황(現況) (Current Status of Global ELV Recycling Regulation)

  • 유태욱
    • 자원리싸이클링
    • /
    • 제18권5호
    • /
    • pp.3-11
    • /
    • 2009
  • 최근 세계적으로 지구온난화와 더불어 자원의 유효한 재이용에 많은 관심이 고조되고 있다. 유럽을 기점으로 급속하게 확대되고 있는 각국의 자동차 리싸이클 규제 주요내용과 현황을 살펴보고 자원재활용, 환경부하 저감을 위한 법률의 순기능을 발현하기 위해 향후 개선해야 할 이슈에 대해 고찰해 보았다.

농업용 트랙터의 승차 진동 수준 평가 (Evaluation of Ride Vibrations of Agricultural Tractors)

  • 김호중;김경욱
    • Journal of Biosystems Engineering
    • /
    • 제33권3호
    • /
    • pp.151-156
    • /
    • 2008
  • This study was conducted to evaluate ride vibrations experienced by tractor operators during plowing, rotovating, and transporting operations in Korea. Field data of ride vibrations were taken at the operator-seat interface from 49 tractors and analyzed on the basis of ISO 2631-1 and EU Directive 2002/44. Of the measured ride vibrations 15.4% in the plowing and 12.5% in farm road transport exceeded the 8-hour fatigue decreased proficiency boundary in the fore and aft directions at frequencies from 1 to 5 Hz. 93.9% exceeded the 8-hour potential health risk of ISO 2631-1. The ride vibrations exceeding the 8-hour exposure limit were 38.5% in plowing, 31.6% in rotovating, 100% in farm road transport and 88.9% in concrete road transport. Although most tractor operators were not exposed to ride vibrations greater than the 8-hour exposure limit value (ELV) of EU Directive 2002/44, 7.7% of the operators in the plowing experienced greater vibrations than the ELV in the fore-aft direction. Farm road transport produced greater vibrations than any other operations. Concrete road transport, plowing and rotovating operations followed next. Limit criteria for ride vibration exposure differ depending upon the guidelines. Exposure limit of the health guidance caution zone of ISO 2631-1 is lowest among its kinds.

한국의 자동차 해체·재활용 제도 개선 연구 (A Study for Improving the Vehicle Dismantling and Recycling System of Korea)

  • 류병운
    • 자동차안전학회지
    • /
    • 제8권4호
    • /
    • pp.24-30
    • /
    • 2016
  • In Korea, the Vehicle Dismantler and Recycler industry is supervised by the Ministry of Land, Infrastructure and Transport under the Automobile Management Act. Also, Korean Automotive recycling businesses are supervised by the Minister of Environment under the Resource Recirculation Act. The main concern of the Minister of Environment is how the wastes from Dismantled vehicles will be environmentally removed, stored, treated, recycled or disposed. In 2000, the European Union (EU) adopted the End-of-Life Vehicles Directive (2000/53/EC) which required Members to ensure the collection, treatment and recovery of end-of-life vehicles (ELVs). The Directive, the most tightly regulated and precautionary legal systems, required that the last owner of a vehicle could drop off the ELV at an authorized treatment facility and that the producers of the ELV should pay the cost of the program. The adoption of the ELVs directive has led the development of Automotive Dismantler and Recycler networks to reuse, refurbish, remanufacture, recycle and recover parts and materials embedded in ELVs. Also, the ELVs directive which has had an insignificant impact on Korean manufacturers has strong presence in the European market and has been successfully externalized on them. The Korean manufacturers not only achieve the 85% recycling target set by the ELVs directive but also meet the Extended Producer Responsibility (EPR) which requires manufacturers to contribute dismantling process. In order to improve the Korean vehicle dismantling and recycling system, the Automobile Management Act and the Resource Recirculation Act should be harmonized. Particularly the roles of the Ministry of Land, Infrastructure and Transport and the Minister of Environment should be sharply divided. Like Japan, the ELV management needs to be highly centralized, regulated, and controlled by the ministry specialized in Vehicle, namely the Ministry of Land, Infrastructure and Transport and the sub organizations. Like EU Members, recovery, reuse, and recycling must be distinguished. Recovery is defined as the final productive use of the parts and materials embedded in ELVs, which includes reuse and remanufacture of parts and recycling of the other materials. Dismantling process and reuse and remanufacture of parts must be governed by the Ministry of Land, Infrastructure and Transport. For environmental recycling or disposal of waste materials, such as CFCs, glass and plastic material, and toxic substances, governmental financial support system should be in place.

재제조 코어 회수를 위한 폐자동차 등급 분류 (End-of-Life Vehicle Rating Classification for Remanufacturing Core Collection)

  • 손우현;;목학수
    • 자원리싸이클링
    • /
    • 제27권2호
    • /
    • pp.11-23
    • /
    • 2018
  • 자원고갈, 원자재 가격상승 그리고 환경규제 강화 등의 원인으로 자동차 부품의 재제조 필요성이 요구되고 있다. 재제조를 위해서는 코어의 안정적인 수급이 수반되어야 한다. 현재 재제조 기업은 다양한 경로를 통하여 코어를 회수하고 있지만, 폐자동차에서 발생하는 코어의 회수율은 저조한 편이다. 매년 수십만대가 발생하는 폐자동차에서의 코어를 체계적으로 회수할 수 있다면 재제조를 위한 코어의 회수율을 더욱 향상시킬 수 있을 것이다. 따라서 본 논문에서는 폐자동차에서 발생하는 코어를 회수하기 위한 방안으로 폐자동차에 대한 등급분류체계를 확립하고자 하였다. 우선 등급 분류에 영향을 주는 요소들을 선정하고 평가를 위한 범위를 결정하였다. 다음 영향요소들 간의 가중치를 산정하여 최종 등급 분류 체계를 구축하였다. 마지막으로 사례연구를 통해 실제 입고된 폐자동차의 해체 등급을 평가하여 2등급의 판정을 도출하였다.

자동차 리싸이클링의 현황과 과제 (Current Status and Future Prospects for The Car Recycling System in Korea)

  • 오재현
    • 자원리싸이클링
    • /
    • 제10권3호
    • /
    • pp.3-13
    • /
    • 2001
  • The Korean Auto industry has developed remarkably over the past 30 years. In 2000 alone, Korea produced 3.11 million vehicles, and the number of vehicles registered surpassed the ten million mark. As the number of vehicles registered in Korea has increased, yew after you, a rising number of cars have been scrapped. In 2000, a total of 455,592 automobiles were scrapped, up dramatically from only 101,158 in 1989. The system for handling of ELV(End-of-Life Vehicles) in Korea is governed by the "Motor Vehicle Control Act". The Act places the responsibility for vehicle scrapping directly on the vehicle owners. h vehicle owner can only can eel a vehicle registration after he gets a certificate from an authorized vehicle dismantler showing that his vehicle was properly scrapped according to the law. The take-back rate of ELV reaches nearly 100% in Korea. The vehicle scrapping process in Korea is very similar to those in other countries. fluids such as fuels and oils are first removed, and recyclable parts are collected and separated. Engines and transmissions are dismantled and recycled for use as raw material. Plastics, which are not easily reused, are generally treated as industrial wastes. The "Motor Vehicle Control Act" prohibits reuse of certain parts in order to guarantee the safety of the used auto parts. However, some restrictions on the reuse of auto parts have recently been eased to promote recycling. In this paper, additionally, car recycling policy of the foreign countries such as Japan, Germany and EU were reviewed.

  • PDF

가스화용융(熔融) 실증 시스템에서 HFC-134a 냉매분해(冷媒分解) 특성(特性) 연구(硏究) (Destruction of HFC-134a Refrigerant in Gasification-melting Demonstration System)

  • 정대성;홍병권;김우현;노선아
    • 자원리싸이클링
    • /
    • 제21권4호
    • /
    • pp.69-75
    • /
    • 2012
  • 본 연구는 가스화용융 시스템을 활용한 폐차 냉매의 친환경 파괴 기술개발을 목표로 하였다. 실증규모(생활폐기물 100톤/일) 가스화용융 시스템내 냉매를 주입할 수 있는 주입장치를 개발 및 제작하였으며, HFC-134a 주입량에 따른 냉매 분해효율 및 유해가스 특성을 고찰하였다. 분해효율은 3 kg/hr 냉매 주입시 99.995%이었고, 18시간 동안 유해가스 연속 측정 및 샘플링 측정결과, CO, SOx, NOx, HCl, HF 등의 유해가스는 환경법규를 만족하였고, 특히 냉매파괴 발생 HF는 0.1 ppm으로 법적 기준치 2ppm에 비해 미량으로 검출되었다.

한국(韓國)의 도시광산(都市鑛山)(사용후제품) 자원(資源)과 금속재자원화(金屬再資源化) (Urban Mine Resources and Metal Recycling in Korea)

  • 오재현;김준수;문석민;민지원
    • 자원리싸이클링
    • /
    • 제20권6호
    • /
    • pp.3-18
    • /
    • 2011
  • 우리나라의 도시광산 재자원화실태와 전망을 파악하기 위하여 금속소비량을 산출하였다. 년간 금속소비량으로부터 금속 축적량을 추정할 수 있고, 도시광산자원을 전망할 수 있다. 금속소비량을 산출함에 있어 다양한 자료 즉 비철협회, 철강협회, 관세청 HS 코드, 연구용역 보고서, 학술회의자료 및 생산회사 탐문자료 등을 인용하였다. 도시광산개발의 요건(key point)을 설명하기 위하여 T.E.Graedel에 의해서 작성된 표(Principle Uses and Recycling Potential of Metals in the Periodic Table)를 인용하였다.