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논문 기본 정보

자료유형
학술대회자료
저자정보
안현석 (현대모비스) 김범렬 (현대모비스) 강구삼 (현대모비스) 조영봉 (현대모비스) 나기범 (현대모비스)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2024년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2024.11
수록면
1,508 - 1,511 (4page)

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초록· 키워드

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In recent years, the proportion of electronic components in the manufacturing cost of automobiles has been continuously increasing due to technological advances such as electrified powertrains and autonomous driving devices. In particular, electrification is inevitable for parts of electric vehicles, and in order to meet the conditions that must be mounted in a limited space of the vehicle and perform various detailed functions, the development of miniaturization/lightweight of the overall package and PCB integration technology is being actively carried out. As a result, the number of PCBs of electrified components is increasing due to their more subdivided functions than before, and the number of terminals that are responsible for mechanical and electrical connections between internal components is also increasing. Electric vehicle terminals that are soldered to PCBs are generally shaped by pressing copper (Cu) plates with high electrical conductivity, and an additional thread process for bolting is applied for mechanical and electrical connections between components. Threads in electric vehicle terminals are usually added by joining clinching nuts to the plate, which are called by various names such as PEM nuts and press nuts. The reason why the self-clinching method is mainly used in the manufacture of terminals for electrified vehicles is that it can make the threads in the right place at the right time, which is more advantageous in terms of process management convenience and cost than the spot welding method. However, the manufacturing cycle time is increased due to the increase in material cost for clinching nuts and the addition of various processes for clinching nuts in the manufacturing method, and it is vulnerable to torque-out quality problems due to the deviation of clinching nuts and the difference in material between plate and nut. In this paper, we compared and verified the mass production feasibility of burring processing, which forms threads by directly cutting plates, as an alternative to the nut indentation method in the manufacture of electric vehicle terminals, and evaluated the actual process application effectiveness through the production of the specimen.

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Abstract
1. 서론
2. 압입 너트 터미널
3. 버링 가공 터미널
4. 압입 너트 및 버링 가공 터미널 양산성 비교
5. 결론
References

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