To provide a bending apparatus 12 capable of simultaneously bending a plurality of points of a material W without generating pull-in and making the bending accuracy excellent.
A first jig 13 and a second jig 14 are turnably connected around a turning axis 15. A first turning and bending part 16 and a second turning and bending part 17 are turned around fulcrums P, Q respectively in synchronization with the turnings of the both jigs 13, 14. The fulcrums P, Q and a jig-side bending part 19, which is arranged in the first jig 13, are arranged in an offset state from the turning axis 15 so that the material W is not displaced to both jigs 13, 14 when bending the material W. Further, each of turning and bending parts 16, 17 is turned in synchronization with the turnings of the both jigs 13, 14, so that a plurality of points of the material W is simultaneously bent.
COPYRIGHT: (C)2010,JPO&INPIT
MIYATA HISAO
SUZUKI MASAKI
SAITO MASAKI
OKAZAKI YOSHIHIRO
| JP2007296536A | 2007-11-15 | |||
| JPS62275524A | 1987-11-30 | |||
| JPS6146034U | 1986-03-27 | |||
| JP2006288025A | 2006-10-19 |