SE9602004L - Process for manufacturing magnetic cores - Google Patents

Process for manufacturing magnetic cores

Info

Publication number
SE9602004L
SE9602004L SE9602004A SE9602004A SE9602004L SE 9602004 L SE9602004 L SE 9602004L SE 9602004 A SE9602004 A SE 9602004A SE 9602004 A SE9602004 A SE 9602004A SE 9602004 L SE9602004 L SE 9602004L
Authority
SE
Sweden
Prior art keywords
band
mandrel
plane
edge
magnetic cores
Prior art date
Application number
SE9602004A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9602004D0 (en
SE511066C2 (en
Inventor
Sven Noren
Arne Lindqvist
Lena Granberg
Inga Andsjoe
Wenche Jensen
Ladislav Prosek
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9602004A priority Critical patent/SE511066C2/en
Publication of SE9602004D0 publication Critical patent/SE9602004D0/en
Priority to PCT/SE1997/000843 priority patent/WO1997045849A1/en
Priority to AU29865/97A priority patent/AU2986597A/en
Publication of SE9602004L publication Critical patent/SE9602004L/en
Publication of SE511066C2 publication Critical patent/SE511066C2/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

The invention relates to a method of manufacturing a magnetic core, which comprises folding at least one band (6) to and fro such as to form a plurality of band layers. According to the invention the following steps are performed: placing a mandrel (1) so that a first concave edge (4) is formed between the mandrel (1) and a first plane (2), and so that a second concave edge (5) is formed between the mandrel (1) and a second plane (3); pressing one band end (12) against the mandrel (1) at the first edge (4) with the aid of a band holder (21); folding the band (6) to and fro to form several band layers across the mandrel (1) and against the edge (4, 5) with the aid of at least one band guider (21, 22, 23, 24), such as to form pleated core ends on the planes (2, 3), while at least one holder (21, 22, 23, 24) presses the at that moment outermost band layer against the mandrel (1) and towards the plane (2, 3) at each end of the magnetic core.
SE9602004A 1996-05-24 1996-05-24 Process for manufacturing a magnetic core SE511066C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9602004A SE511066C2 (en) 1996-05-24 1996-05-24 Process for manufacturing a magnetic core
PCT/SE1997/000843 WO1997045849A1 (en) 1996-05-24 1997-05-22 A method of manufacturing magnetic cores
AU29865/97A AU2986597A (en) 1996-05-24 1997-05-22 A method of manufacturing magnetic cores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602004A SE511066C2 (en) 1996-05-24 1996-05-24 Process for manufacturing a magnetic core

Publications (3)

Publication Number Publication Date
SE9602004D0 SE9602004D0 (en) 1996-05-24
SE9602004L true SE9602004L (en) 1997-11-25
SE511066C2 SE511066C2 (en) 1999-07-26

Family

ID=20402701

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602004A SE511066C2 (en) 1996-05-24 1996-05-24 Process for manufacturing a magnetic core

Country Status (3)

Country Link
AU (1) AU2986597A (en)
SE (1) SE511066C2 (en)
WO (1) WO1997045849A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052052A2 (en) * 1997-05-13 1998-11-19 Vacuumschmelze Gmbh Magnet core
DE19851871C2 (en) * 1998-11-10 2001-06-07 Vacuumschmelze Gmbh Process for producing a self-contained magnetic core

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8402737D0 (en) * 1984-02-02 1984-03-07 Hawker Siddeley Power Transfor Electrical induction apparatus
US4953286A (en) * 1988-12-12 1990-09-04 Cooper Industries, Inc. Method of making a transformer core

Also Published As

Publication number Publication date
AU2986597A (en) 1998-01-05
WO1997045849A1 (en) 1997-12-04
SE9602004D0 (en) 1996-05-24
SE511066C2 (en) 1999-07-26

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