To provide a punching device that can appreciably reduce a fraction defective in blanking of a stripped sheet material.
The punching device comprises a blanking device 1 in which a punching edge is arranged for positioning in a horizontal plane to form a cut line shaped in correspondence with a shape of punched portions formed on a stripped sheet material 3 at given longitudinal pitches. The punching device further comprises mark detecting means 2 for detecting a position of mark portions formed on the stripped sheet material 3 at given longitudinal pitches and in correspondence with the punched portions, and a computing means 41 for computing a movement correction level of the punching edge according to detection data on the position of the mark portions.
JP6887559 | Manufacturing method of excipient sheet |
JP2006278546 | MANUFACTURING METHOD OF GREEN CHIP |
Next Patent: MANUFACTURING METHOD OF AND MANUFACTURING DEVICE FOR PERFORATED FLEXIBLE TAPE