| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated die device with which caulking lamination by which blanked pieces are adhered closely each other even when they are comparatively large sized thin blanked pieces or they are easily bendable pieces having small rigidity. SOLUTION: In a laminated die device 10 with which blanked pieces 28 on which caulking part 34 is formed from sheets 27 to be blanked are blanked into a die 13 and clamped with a squeeze ring 14 provided under the die 13, the blanked pieces 28 blanked successively are caulked and laminated into a clamped blanked pieces 28 by pressing with a punch 19 paired with the die 13, in this device, magnets 15 - 18 with which the squeeze ring 14 is surrounded are arranged on the outside of the squeeze ring 14 and the blanked pieces 28 are held by imparting magnetic force to the blanked pieces 28. COPYRIGHT: (C)2005,JPO&NCIPI
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