Acknowledgement
Supported by : 공주대학교
References
- Chun kyu Lee Three other than, "Press Die Design Manual that is easy to know", Kijeon Media, pp. 166-168, 2012.
- Sea hwan Kim, "Study on the Punch and die for each copy, drawing each design radius of the hole" Korea Die & Mold Engineers, pp. 16-23, 2008.
- Kim Sei-Hwan, "Defective and Countermeasure of the press die", pp. 143-228, Daekwang seorim, 2013.
- Kim Sei-Hwan, "Press die Design Engineering", pp. 192-281, Daekwang seorim, 2012.