Title:
長尺材の曲げ加工装置
Document Type and Number:
Japanese Patent JP4081593
Kind Code:
B2
Abstract:
In a long member bending apparatus having a bending head (2) and a material supply unit, the bending head (2) is composed of a base plate having a guide pipe (6), which includes a guide hole for passing a long member, at the center thereof, a movable plate having a die (8), which applies a bending force to the long member supplied from the guide pipe forward, disposed at the center thereof, and six extendable units (12) including hydraulic cylinders (10) interposed between the base plate and the movable plate and universal joints disposed to both the ends of each hydraulic cylinder, thereby a parallel link mechanism is arranged that executes a motion of a total of six degrees of freedom including three degrees of freedom of translational movement and three degrees of freedom of rotation by expanding and contracting the hydraulic cylinders to set the position (distance, offset), inclination, and the like of the movable plate with respect to the base plate.
Inventors:
Ken Ichiyanagi
Yuji Terauchi
Katsuhiro Fujita
Yuji Terauchi
Katsuhiro Fujita
Application Number:
JP2001187310A
Publication Date:
April 30, 2008
Filing Date:
May 18, 2001
Export Citation:
Assignee:
Ken Ichiyanagi
Kikuchi Manufacturing Co., Ltd.
Kikuchi Manufacturing Co., Ltd.
International Classes:
B21D7/08; B21D11/14; B21D7/025
Domestic Patent References:
| JP2001087814A | ||||
| JP2000126954A |
Attorney, Agent or Firm:
Hirotsugu Yoshioka