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스틸-알루미늄 하이브리드 구조를 적용한 전륜 서브프레임 연구
김태진(Taejin Kim),윤석진(Sukjin Yoon),박정환(Junghwan Park),홍학표(Hakpyo Hong),김준형(Junhyung Kim),송권민(Gwonmin Song) 한국자동차공학회 2020 한국자동차공학회 학술대회 및 전시회 Vol.2020 No.11
The most important point in the future automotive industry is about managing the enhanced environmental regulation. To meet them, companies are trying to increase fuel efficiency and ligten weight. Subframe that is located under the body delivers the noise and vibration and endures fatigue. In this reason, normally steel is used in many subframes, but it has high weight. Substituting steel with aluminum is able to lighten weight at a high ratio. This study will introduce the method how to develop an aluminum die-casting bracket, which is able to lighten weight and cost reduction by substituting steel with aluminum. By developing this bracket, we achieved the result that is weight reduction by 8% and the decrease in the number of parts by 20%.