Title:
ローラヘミング装置及びローラヘミング方法
Document Type and Number:
Japanese Patent JP4939774
Kind Code:
B2
Abstract:
In an initial state of roller hemming processing, an erected flange 65 begins to be bent by a roller 48. At this time, a first plate 63 and a receiving face 15 are brought into tightly contact with each other at a contact point 70 between the roller 48 and the erected flange 65 by strongly pinching by the roller 48 and an auxiliary roller 51. On the other hand, in portions other than the contact point 70, the receiving face 15 tends to be separated from the first plate 63 by reaction. Since slider blocks 22 and 22 are movable along rails 21 and 21 on a side of the receiving die 10, the receiving die 10 rotates clockwise in the drawing about the contact point 70. A tight contact in the contact point 70 is guaranteed as the receiving die 10 rotates about the contact point 70. As a result, the hemming processing with a good shape can be achieved without wrinkling, ruffling, or deformation.
More Like This:
| WO/1986/003471 | DRUM OR PAIL CLOSURE |
| WO/1993/005902 | PRESS |
Inventors:
Hasegawa Eisaku
Yoshiyuki Kiuchi
Takeshi Nakamura
Uematsu Noriko
Yoshiyuki Kiuchi
Takeshi Nakamura
Uematsu Noriko
Application Number:
JP2005182525A
Publication Date:
May 30, 2012
Filing Date:
June 22, 2005
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
B21D39/02
Domestic Patent References:
| JP5023763A | ||||
| JP5050161A | ||||
| JP6344037A | ||||
| JP7290158A | ||||
| JP9234527A | ||||
| JP2006088217A | ||||
| JP61177724U |
Foreign References:
| EP1447155A1 |
Attorney, Agent or Firm:
Yoichiro Shimoda
Tamiya Hiroshi
Tamiya Hiroshi