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권용남(Young-Nam Kwon),김상현(S. H. Kim),김상우(S. W. Kim),구본규(Bo Kyu Gu) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.5
A cold forging process for hollow shaft shape was designed by using finite element method in the present study. Hollow shaft products have been widely used for auto transmission parts and other applications. Hollow shaft has been usually fabricated with gun drill machining to lower the weight of final product. However, more cost efficient ways to manufacture hollow type product has been sought since conventional machining usually costs quite much. There have been several ways to make hollow type forgings such as rotary swaging and rotary forging, which cost a lot of initial machine cost. In the present study, a conventional cold forging process was designed to make hollow shaft product using several step forgings.
권용남(Yong-Nam Kwon),김다영(Da Young Kim),구본규(Bo Kyu Gu) 한국소성가공학회 2011 한국소성가공학회 학술대회 논문집 Vol.2011 No.5
A cold forging process for hollow shaft shape was designed by using finite element method in the present study. Hollow shaft products have been widely used for auto transmission parts and other applications. Hollow shaft has been usually fabricated with gun drill machining to lower the weight of final product. However, more cost efficient ways to manufacture hollow type product has been sought since conventional machining usually costs quite much. There have been several ways to make hollow type forgings such as rotary swaging and rotary forging, which cost a lot of initial machine cost. In the present study, a conventional cold forging process was designed to make hollow shaft product using several step forgings.