About SASADA MASAHIRO
About 同志社大 理工
About blanking
About drilling (cutting)
About forming and molding
About burr
About deburring
About chip (cutting)
About chip treatment
About factor analysis
About gap
About tool edge
About quality control
About product quality
About operation performance
About improvement of efficiency
About productivity enhancement
About press die
About press forming
About Slug adhesion to the end of punch
About mold maintenance
About die life
About modification
About die
About Press working
About メカニズム
About 理解
About バリ
About かす上がり
About 対策
About 発生メカニズム