| 摘要 |
PROBLEM TO BE SOLVED: To provide a die holder in which a die can be inserted into a die fitting part like a die fitting hole etc. easily and the position of the fitted die can be reproduced with high accuracy even in a simple structure.SOLUTION: A die holder 1 includes three contact parts 11, 12, 13 which come in contact with the outer peripheral surface of a die 30 and perform positioning of the die 30, on the periphery of a die placing surface for placing the die 30 the outer peripheral surface of which has a cylindrical shape in the die holder body 1a. Two contact parts 11, 12 of the three contact parts 11, 12, 13 come in contact with the die 30 at a curved surface along the outer peripheral surface of the die 30. In the remaining one contact part 13, at least a contact surface 13a with the die 30 is movable in the die radial direction. A contact part movement structure 14 is provided for moving the contact surface 13a of the remaining one contact part 13 in the die radial direction and blocking movement to the die outer diameter side. |
