GB1138860A - Improvements in the bending of structural members - Google Patents

Improvements in the bending of structural members

Info

Publication number
GB1138860A
GB1138860A GB1677566A GB1677566A GB1138860A GB 1138860 A GB1138860 A GB 1138860A GB 1677566 A GB1677566 A GB 1677566A GB 1677566 A GB1677566 A GB 1677566A GB 1138860 A GB1138860 A GB 1138860A
Authority
GB
United Kingdom
Prior art keywords
rolls
assembly
pair
idler
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1677566A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RALPH GORDON SMITH
Original Assignee
RALPH GORDON SMITH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RALPH GORDON SMITH filed Critical RALPH GORDON SMITH
Priority to GB1677566A priority Critical patent/GB1138860A/en
Publication of GB1138860A publication Critical patent/GB1138860A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

1,138,860. Curving. R. G. SMITH. 16 April, 1966, No. 16775/66. Heading B3E. Apparatus for bending a length of structural member to a predetermined curvature without the use of heat and in a single pass comprises a base, two pairs of drive rolls between which said length may be passed, each pair of drive rolls being supported on said base for movement relative to one another such that the angle between the planes containing the axes of each pair of rolls can be adjusted and at least three angularly adjustable pairs of idler rolls positioned between said pairs of drive rolls. A structural member, e.g. of H, I or channel-section, to be curved passes through a driven pair of rolls of an assembly 12, through three pairs of idler rolls, then through a driven pair of rolls of an assembly 11, being bent to a parabolic shape between the assembly 12 and the first roller assembly and to the desired curvature between the last idler assembly and the assembly 11. The rollers of the assemblies 11, 12 are all driven at the same speed by a tensioned chain and intergearing, have serrated surfaces and may be grooved to accommodate flanges of the workpiece. One roller of each pair is adjustable towards the other and each assembly is angularly adjustable about the axis of one roll of its pair. The idler roll assemblies are additionally adjustable radially between guides 51. For use in bending H sections each idler assembly may carry guide rolls perpendicular to the idler rolls to engage the web of the section. To facilitate the insertion of an H section a triangular piece is cut out of the web and the flange bent against the free edge of the web to provide a tapered end, Figs. 11, 12 (not shown). A photo-electric cell may stop the drive to the machine when the bent end of the section interrupts the light beam. A saw is energized to cut off a predetermined length and the curving operation is restarted. Successive lengths of section may be welded together prior to curving.
GB1677566A 1966-04-16 1966-04-16 Improvements in the bending of structural members Expired GB1138860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1677566A GB1138860A (en) 1966-04-16 1966-04-16 Improvements in the bending of structural members

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1677566A GB1138860A (en) 1966-04-16 1966-04-16 Improvements in the bending of structural members

Publications (1)

Publication Number Publication Date
GB1138860A true GB1138860A (en) 1969-01-01

Family

ID=10083450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1677566A Expired GB1138860A (en) 1966-04-16 1966-04-16 Improvements in the bending of structural members

Country Status (1)

Country Link
GB (1) GB1138860A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157537A2 (en) * 1984-03-24 1985-10-09 Ae Plc The manufacture of piston rings
EP1361004A2 (en) * 2002-03-13 2003-11-12 Alberto Martini Apparatus for shaping angle section bars
EP2252793A1 (en) * 2008-02-14 2010-11-24 Rautaruukki OYJ Method and blank for manufacturing product, and product
CN110586710A (en) * 2019-10-12 2019-12-20 程玟豪 Symmetric type road side baffle bending device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157537A2 (en) * 1984-03-24 1985-10-09 Ae Plc The manufacture of piston rings
EP0157537A3 (en) * 1984-03-24 1986-10-29 Ae Plc The manufacture of piston rings
EP1361004A2 (en) * 2002-03-13 2003-11-12 Alberto Martini Apparatus for shaping angle section bars
EP1361004A3 (en) * 2002-03-13 2004-10-27 Alberto Martini Apparatus for shaping angle section bars
EP2252793A1 (en) * 2008-02-14 2010-11-24 Rautaruukki OYJ Method and blank for manufacturing product, and product
EP2252793A4 (en) * 2008-02-14 2014-02-12 Rautaruukki Oyj Method and blank for manufacturing product, and product
CN110586710A (en) * 2019-10-12 2019-12-20 程玟豪 Symmetric type road side baffle bending device
CN110586710B (en) * 2019-10-12 2022-11-29 程玟豪 Symmetric type road side baffle bending device

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