| 摘要 |
PROBLEM TO BE SOLVED: To remove a burr from a sheet metal product. ! SOLUTION: A press die structure is arranged on a press working machine including relatively-movable first holder and second holder, and cuts scrap from an outer circumference part of a workpiece W. The press die structure includes a punch member arranged on the first holder. A first die member is arranged on the second holder, and includes a first inner edge 27 opposite to an outside edge of the punch member, and a first cutting edge connected to a tip end of the first inner edge 27. A second die member is arranged on the second holder and includes a second inner edge 28 opposite to the outside edge of the punch member. A scrap cutting member is arranged on the first holder and includes a second cutting edge opposite to the first cutting edge of the first die member. An end part 27a of the first inner edge 27 and an end part 28a of the second inner edge 28 are overlapped to a relative movement direction of the second holder and the first |
