EP1222730A1 - Verfahren zur herstellung eines bandes - Google Patents
Verfahren zur herstellung eines bandesInfo
- Publication number
- EP1222730A1 EP1222730A1 EP00979500A EP00979500A EP1222730A1 EP 1222730 A1 EP1222730 A1 EP 1222730A1 EP 00979500 A EP00979500 A EP 00979500A EP 00979500 A EP00979500 A EP 00979500A EP 1222730 A1 EP1222730 A1 EP 1222730A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- sections
- strips
- bands
- band
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
-
- 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
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49789—Obtaining plural product pieces from unitary workpiece
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49833—Punching, piercing or reaming part by surface of second part
Definitions
- Such annular magnetic cores are used, for example, for producing stators of rotating electrical machines which have an internal rotor and an external stator.
- the stator is assembled from an outer stator ring and an inner stator ring.
- German patent application 19 34 858.8 discloses a rotating electrical machine in which the outer stator ring and the inner stator ring are held together by a shrink connection. Each of the two rings is wound from a specially shaped ribbon.
- the invention has for its object to provide a method with which a tape can be produced easily and inexpensively, which is suitable for winding an annular magnetic core.
- 1 is a strip of metal with parallel longitudinal edges
- FIG. 4 shows two tapes which are produced from the strip according to FIG. 2,
- Fig. 1 shows a flat strip 1, which has two parallel longitudinal edges 1A and 1B.
- the strip 1 is made of a metallic material that conducts the magnetic flux very well.
- the dimensions of the strip 1 are chosen so that two strips 2, 3 can be produced from it.
- One of these tapes is shown in FIG. 9 as it is wound on a dome 60.
- the length of each band 2, 3 is dimensioned such that an annular magnetic core 40, hereinafter also referred to simply as the core, can be completely wound therefrom, as shown in FIG. 10.
- the strip 1 can initially also be processed with a laser in such a way that its first longitudinal edge 1A has sections 2C that are concavely curved, while the second longitudinal edge 1B has sections 3C that are convexly curved are. All sections 2C and 3C are of the same size.
- the strip 1 is then severed 1 M along its center line. Two bands 2 and 3 of the same width are formed.
- a strip 1 is shown, the width of which is dimensioned so large that it corresponds to the width of two bands 2 and 3, as a total of four bands.
- Two bands 2 and 3 are formed on both sides of the center line 1 M of the strip 1 in accordance with the method as shown in FIGS. 2 and 3 and explained in the associated description.
- the production of tapes 2, 3 can, however also take place according to the method as shown in FIG. 5 and explained in the associated description (not shown here). Material can also be saved in the production of tapes 2 and 3 using this method. Only one strip 1 must be used, the width of which is smaller than the width of two strips 2 and 3.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19951180 | 1999-10-23 | ||
DE19951180A DE19951180A1 (de) | 1999-10-23 | 1999-10-23 | Verfahren zur Herstellung eines Bandes |
PCT/EP2000/010184 WO2001031765A1 (de) | 1999-10-23 | 2000-10-17 | Verfahren zur herstellung eines bandes |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1222730A1 true EP1222730A1 (de) | 2002-07-17 |
Family
ID=7926696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00979500A Withdrawn EP1222730A1 (de) | 1999-10-23 | 2000-10-17 | Verfahren zur herstellung eines bandes |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020194723A1 (de) |
EP (1) | EP1222730A1 (de) |
JP (1) | JP2003513598A (de) |
DE (1) | DE19951180A1 (de) |
WO (1) | WO2001031765A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5237988B2 (ja) * | 2006-02-28 | 2013-07-17 | 株式会社三井ハイテック | 積層鉄心及びその製造方法 |
EP2395522B1 (de) * | 2010-06-08 | 2017-08-09 | ABB Schweiz AG | Verfahren zur Herstellung von Transformatorkernen, Verfahren zur Herstellung eines Transformators mit einem solchen Kern |
DE102010049428A1 (de) * | 2010-10-23 | 2012-04-26 | Volkswagen Ag | Laserschneiden eines Elektrobandmaterials |
US8941274B2 (en) | 2012-03-23 | 2015-01-27 | Whirlpool Corporation | Stator for an electric motor of a washing machine and method of manufacturing the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2109301A5 (de) * | 1970-10-09 | 1972-05-26 | Unelec | |
US4365180A (en) * | 1981-06-25 | 1982-12-21 | General Motors Corporation | Strip wound dynamoelectric machine core |
US4709471A (en) * | 1986-08-15 | 1987-12-01 | Westinghouse Electric Corp. | Method of making a magnetic core |
JPS63188916A (ja) * | 1987-01-31 | 1988-08-04 | Kitamura Kiden Kk | 帯材走行位置制御装置 |
US4812696A (en) * | 1987-02-17 | 1989-03-14 | Louis Stanley | Motor core with winding slots having reduced air gaps |
JPH0289304A (ja) * | 1988-09-27 | 1990-03-29 | Kitamura Kiden Kk | 巻鉄心用帯材の切抜方法 |
TW411653B (en) * | 1997-04-11 | 2000-11-11 | Toshiba Corp | Stator for dynamoelectric machine and method of making the same |
-
1999
- 1999-10-23 DE DE19951180A patent/DE19951180A1/de not_active Withdrawn
-
2000
- 2000-10-17 JP JP2001533610A patent/JP2003513598A/ja active Pending
- 2000-10-17 WO PCT/EP2000/010184 patent/WO2001031765A1/de not_active Application Discontinuation
- 2000-10-17 EP EP00979500A patent/EP1222730A1/de not_active Withdrawn
-
2002
- 2002-04-23 US US10/128,116 patent/US20020194723A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0131765A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2001031765A1 (de) | 2001-05-03 |
US20020194723A1 (en) | 2002-12-26 |
DE19951180A1 (de) | 2001-04-26 |
JP2003513598A (ja) | 2003-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020405 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: PORTEOUS, TOM Inventor name: IKONEN, ILKKA Inventor name: JACOBSEN, MOGENS, F. Inventor name: SHEN, JINXING Inventor name: VEDSTED, FLEMMING Inventor name: OESTERLEIN, ROLAND |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20040503 |