| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bend straightening device for a sheet metal, capable of straightening a local bend of the sheet metal and mass-producible efficiently. <P>SOLUTION: The bend straightening device 1 for the sheet metal, which straightens the R-shaped protruded bend formed to the sheet metal, includes: a punch 5 provided with a first bend forming part 3 that has three first projection parts 3a-3c arranged side by side at a prescribed interval; a die 11 provided with a second bend forming part 9 that has two second projection parts 9a and 9b disposed oppositely to two recessed forming spaces 3d and 3e formed on the first bend forming part 3; and a stopper 13 compulsorily restricting the relative movement amount of the die 11 and the punch 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
