SE8500427L - PROCEDURE AND PRESSURE FOR BUILDING PROFILED TUNNER PLATE - Google Patents

PROCEDURE AND PRESSURE FOR BUILDING PROFILED TUNNER PLATE

Info

Publication number
SE8500427L
SE8500427L SE8500427A SE8500427A SE8500427L SE 8500427 L SE8500427 L SE 8500427L SE 8500427 A SE8500427 A SE 8500427A SE 8500427 A SE8500427 A SE 8500427A SE 8500427 L SE8500427 L SE 8500427L
Authority
SE
Sweden
Prior art keywords
sheet
bending
respect
tunner
procedure
Prior art date
Application number
SE8500427A
Other languages
Swedish (sv)
Other versions
SE452267B (en
SE8500427D0 (en
Inventor
J Sari
Original Assignee
Simon Aaltokate Lahti & Co
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 Simon Aaltokate Lahti & Co filed Critical Simon Aaltokate Lahti & Co
Publication of SE8500427D0 publication Critical patent/SE8500427D0/en
Publication of SE8500427L publication Critical patent/SE8500427L/en
Publication of SE452267B publication Critical patent/SE452267B/en

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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0263—Die with two oscillating halves
    • 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
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The sheet metal is bent transversely to its grooves without any wrinkle formation in deep profiles. The sheet is positioned between two pressing assemblies displaceable with respect to each other and each groove on each side of the sheet is filled over the whole cross-section thereof with an incompressible bending core (18, 19) formed by at least two longitudinal, superposed strips (24) longitudinally slidable with respect to each other. The sheet is bent around a bending line into a desired angle or arch between forming surfaces (11, 16) which are formed by the assemblies and which are smooth in the direction of the bending line. The press comprises separate bending cores (18, 19), similar to a leaf spring stack, formed by the superposed strips (24). The cross-section of each strip stack corresponds to that of the profile groove of the sheet up to the height of the adjacent ridges. The lower assembly has two tiltable devices (14-17). <IMAGE>
SE8500427A 1984-02-03 1985-01-31 PROCEDURE AND PRESSURE FOR BUILDING PROFILED TUNNER PLATE SE452267B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI840442A FI75747C (en) 1984-02-03 1984-02-03 FOERFARANDE OCH PRESS FOER BOEJNING AV EN OEPPET PROFILERAD TUNNPLAOT.

Publications (3)

Publication Number Publication Date
SE8500427D0 SE8500427D0 (en) 1985-01-31
SE8500427L true SE8500427L (en) 1985-08-04
SE452267B SE452267B (en) 1987-11-23

Family

ID=8518483

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8500427A SE452267B (en) 1984-02-03 1985-01-31 PROCEDURE AND PRESSURE FOR BUILDING PROFILED TUNNER PLATE

Country Status (6)

Country Link
CY (1) CY1537A (en)
FI (1) FI75747C (en)
GB (1) GB2153721B (en)
HK (1) HK33390A (en)
SE (1) SE452267B (en)
SG (1) SG24690G (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278795B (en) * 1993-06-12 1996-10-02 Douglas Roger Hawkey Apparatus and method for working materials
GB2344546A (en) * 1998-12-10 2000-06-14 Belsize Engineering Company Li Bend forming apparatus
JP2002028731A (en) * 2000-07-13 2002-01-29 Komatsu Ltd Method and apparatus for bending long size member
JP6460695B2 (en) * 2014-03-31 2019-01-30 東京精密発條株式会社 Metal plate bending machine

Also Published As

Publication number Publication date
FI75747C (en) 1988-08-08
HK33390A (en) 1990-05-11
FI75747B (en) 1988-04-29
SE452267B (en) 1987-11-23
GB2153721B (en) 1987-04-01
SE8500427D0 (en) 1985-01-31
CY1537A (en) 1990-11-16
GB8502278D0 (en) 1985-02-27
FI840442A0 (en) 1984-02-03
SG24690G (en) 1990-07-13
FI840442A (en) 1985-08-04
GB2153721A (en) 1985-08-29

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