| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a press cutting device capable of suppressing generation of a fracture surface, and having high surface accuracy and high cutting dimensional accuracy.SOLUTION: In a press cutting device including a die and a punch, the punch has a tip having a rake angle of 20-50° whose cut surface side is positioned on the lower side, and a clearance between the punch and the die is 0.1 mm or less.</p> |
