Title:
ROLL FORMING DEVICE, AND FORMING METHOD OF LONG MEMBER
Document Type and Number:
Japanese Patent JP2018034173
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a roll forming device and a forming method of a long member which can easily and rapidly form a long component having not only a curved shape but also a twisted shape.SOLUTION: A roll forming device 1 includes a plurality of roll parts having a pair of rolls and through which a long material 10 passes between the rolls. The plurality of roll parts include: a material support roll part 3 of which an installation position and an installation direction are fixed; a three-dimensional bending roll part 4 which is adjacently arranged to the material support roll part 3 and rotates an installation direction of the roll so as to tilt an advancing direction of the long material 10 passing through the material support roll part 3; and a twisting formation roll part 5 which is arranged adjacently to the three-dimensional bending roll 4, and rotates the installation direction of the roll so as to tilt the long material 10 around an axial line of the long member while rotating the installation direction of the roll in response to the advancing direction of the long material 10 passing through the three-dimensional bending roll part 4.SELECTED DRAWING: Figure 5
Inventors:
FUJII KAZUNORI
NAGANO KOICHI
TSUCHIYA YUICHI
HANAKI SATORU
NAGANO KOICHI
TSUCHIYA YUICHI
HANAKI SATORU
Application Number:
JP2016167886A
Publication Date:
March 08, 2018
Filing Date:
August 30, 2016
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
WADA SEISAKUSHO KK
CHUBU ENG KK
WADA SEISAKUSHO KK
CHUBU ENG KK
International Classes:
B21D7/08; B21D11/14
Attorney, Agent or Firm:
Noriharu Fujita
Miori Takao
Kawakami Miki
Takayuki Ishimoto
Daisuke Nagata
Miori Takao
Kawakami Miki
Takayuki Ishimoto
Daisuke Nagata