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다구찌기법을 이용한 공압피팅용 원형 판스프링의 설계변수 최적화
권태하(T. H. Kwon),서창희(C. H. Suh),이락규(R. G. Lee),오상균(S. K. Oh),정윤철(Y-C. Jung),임환빈(H. B. Lim) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.5
Pneumatic fitting is one of the important parts for pneumatic system. Flexible tube which supplies operating fluid to valve or actuator can be easily connected to the one-touch type pneumatic fitting. Pneumatic fitting is composed of sleeve, collar, lock-claws and packing. Recently, the fatigue fracture of lock-claws has been reported due to the repetitive usage. Therefore, in this study, in order to predict the behavior of lock-claws, finite element simulation was carried out. As a result, the local plastic deformation at the notch of lock-claws was appeared. In order to disperse stress concentration, design modification of lock-claws was conducted and the stress concentration decreased. In addition, Main design variables were selected for the shape optimization of lock-claws, and the optimum condition was resulted using Taguchi method.
권태하(T. H. Kwon),이락규(R. G. Lee),오상균(S. K. Oh),정윤철(Y-C. Jung),서창희(C. H. Suh),임환빈(H. B. Lim) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.10
Pneumatic fitting is one of the important parts for pneumatic system. Flexible tube which supplies operating fluid to valve or actuator can be easily connected to the one-touch type pneumatic fitting. Pneumatic fitting is composed of sleeve, collar, lock-claws and packing. Recently, the fatigue fracture of lock-claws has been reported due to the repetitive usage. Therefore, in this study, in order to predict the behavior of lock-claws, finite element simulation was carried out. As a result, the local plastic deformation at the notch of lock-claws was appeared. In order to disperse stress concentration, design modification of lock-claws was conducted and the stress concentration decreased.