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전자식 파킹 브레이크용 세레이션 기어의 냉간다단단조 공정 설계 및 후방 압출특성에 관한 평가
서주한(Ju-Han Seo),최종원(Jong-Won Choi),정의은(Eu-Enn Jung),강명창(Myungchang Kang) 한국기계가공학회 2022 한국기계가공학회지 Vol.21 No.2
Reducing production costs through net-shaped cold forging is an important aspect in the automobile industry. In this study, we intend to produce a net-shaped electronic parking brake (EPB) serration gear for automobiles, using multi-stage cold forging. These serrations are then assembled to the reduction gear of an EPB actuator. The forging process of the serrations and the cold forging design were verified through finite element analysis (FEA) in order to evaluate metal flow. The forging machine was selected by checking the load using FEA. Based on the FEA results, molds were designed, and parts were made using multi-stage cold forging to produce a net-shaped serration gear.