| 摘要 |
PURPOSE: A press machine for punching is provided to remove a punching failure due to scrap raised in a punching operation by press-inserting the scrap in a punching hole of a lower die. CONSTITUTION: A press machine for punching comprises a lower die(3) which supports a work piece(10) to be aligned with a punching hole(11), an upper die(5) which is connected to a press arm and moved up and down along a guide post, and a punch(7) which is installed at the bottom of the upper die and moved downward to be inserted in the punching hole after punching the work piece. |
