EP1170760A1 - Verfahren zur Herstellung von Massivkernen aus Lamellen - Google Patents
Verfahren zur Herstellung von Massivkernen aus Lamellen Download PDFInfo
- Publication number
- EP1170760A1 EP1170760A1 EP01115529A EP01115529A EP1170760A1 EP 1170760 A1 EP1170760 A1 EP 1170760A1 EP 01115529 A EP01115529 A EP 01115529A EP 01115529 A EP01115529 A EP 01115529A EP 1170760 A1 EP1170760 A1 EP 1170760A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slats
- solid core
- lamellae
- sheet metal
- assembled
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000007787 solid Substances 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000005304 joining Methods 0.000 claims description 16
- 238000004080 punching Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 208000000260 Warts Diseases 0.000 claims description 3
- 201000010153 skin papilloma Diseases 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 241000446313 Lamella Species 0.000 description 13
- 238000003825 pressing Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
Images
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
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1067—Continuous longitudinal slitting
- Y10T156/1069—Bonding face to face of laminae cut from single sheet
-
- 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
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
- Y10T29/49012—Rotor
-
- 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
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
- Y10T29/49078—Laminated
-
- 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
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53143—Motor or generator
-
- 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
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/5317—Laminated device
Definitions
- the invention relates to a method for producing solid cores from slats according to the preamble of claim 1.
- the invention has for its object the generic method so that the sheet metal strip when removing the Slats for the solid core can be used optimally.
- the sheet metal strip is in its First separated in the longitudinal direction in at least two metal sheets. These sheet metal sheets are then successively transversely to the longitudinal direction the individual slats separated. With the invention The process is therefore 100 percent material utilization possible.
- a Sheet metal strip 1 (Fig. 1) slats 2 separated, from which a solid core 3 is produced in the form of a core package 3 (FIG. 5). He has approximately cylindrical shape. To reach them are the individual Slats 2 of different widths.
- the solid core 3 is, for example used as a magnetic core in ignition systems of motor vehicles.
- the sheet metal strip 1 is first in slotted in its longitudinal direction, whereby individual sheet metal webs 4th are formed (Fig. 1). They are used to manufacture the cylindrical Solid core 3 of different widths.
- the sheet metal strip 1 is only divided into three sheet metal sheets 4 to 6, for example.
- the sheet metal strip 1 can also be divided into two or more than three sheet metal sheets become.
- the sheet metal sheets do not have to be different either Have width, but can also be the same width.
- the slats 2 are not approximately circular in cross section, but square solid cores formed. In the illustrated and described However, the solid core is approximately cylindrical trained so that it corresponding circular cross-section Has.
- positive locking means 7 are provided, for example holes or wart-like elevations. After attaching the positive locking means 7, the sheet metal sheets 4 to 6 are vertical separated into their longitudinal direction in the individual slats 2.
- the sheet metal strip 1 is optimally used. There is almost no waste of material, so that almost 100 percent Utilization of the sheet metal strip 1 is achieved. Thereby the solid core 3 can be manufactured inexpensively.
- For longitudinal slitting of the sheet metal strip 1 and for separating the slats 2 no structurally complex devices and tools required.
- For slitting the sheet metal strip 1 in its longitudinal direction can, for example, rotating slitting knives, but also die and stamp.
- To separate the slats 2 from the strip-shaped sheet metal sheets 4 to 6 can be simple Stamps are used.
- the solid core 3 is assembled from the slats of different widths and advantageously of the same length 2, the solid core 3 is assembled.
- Fig. 2 shows a top view the different width slats 2.
- the cylindrical shape of the Solid core 3 is achieved the more the lower the gradation in the widths of the slats 2.
- About the positive locking means 7 the superimposed, rectangular slats in the exemplary embodiment 2 positively connected.
- Are the positive locking means 7 wart-like forms in the lamella 2 then engages the respective upper lamella 2 with their projections 7 in the corresponding Indentations on the back of the neighboring lamella 2 a.
- the lamellae 2 are in this way in the die-cutting process positively connected.
- 5a shows such a solid core produced by punching and packaging 3.
- any form-locking means on the slats 2 but instead put them on top of each other to form a solid core 3 Slats 2 to slide into a tube 8 (Fig. 5b).
- the inside diameter of the tube 8 corresponds to the outer diameter of the solid core 3.
- the tube 8 holds the fins 2 of the solid core 3 reliably together.
- the fins 2 can be glued, for example his. It is also possible to insert the solid core 3 to close the tube 8 at both ends.
- 5c shows the possibility of the individual slats 2 of the solid core 3 to connect with each other by rivets 9, which the slats 2 enforce.
- the superimposed lamellae 2 can also according to FIG. 5d be joined together by welding to form the solid core 3.
- To the Welding can be a laser welding device or a laser unit be used.
- the slats 2 can also be held together by a wrapping 10 (FIG. 5e) his.
- the lamellae 2 lying one on top of the other to glue.
- an adhesive device for Application of the adhesive to the slats 2 provided.
- a heating unit can be provided to complete the setting process to accelerate.
- a metal strip 1 to use, on which an adhesive is already applied, which at Room temperature is not adhesive.
- the lamellae 2 are advantageously used with a joining tool 11 Solid core 3 composed.
- the joining tool 11 has an advantage four tool parts 12 to 15, each radial with respect to the Solid core are adjustable (Fig. 2). They are in the joining position four tool parts 12 to 15 with bevelled end faces 16, 17 flat against each other.
- Each tool part 12 to 15 has approximately two End faces 16, 17 lying at right angles to one another, between which there is a concave, part-circular recess 18.
- the slats 2 of the solid core 3 lie with their in the axial direction of the solid core 3 running edges on the wall of the recording room 19.
- the joining tool 11 can also advantageously be used as a pressing or embossing tool be formed.
- Fig. 3 for such a joining tool 11 shows, the lamellae 2 of the solid core 3 lie axially extending longitudinal edges 20 in a starting position of the Tool parts 11 to 15 on the wall of the receiving space 19th on. Between the superimposed slats 2 and the wall 21 of the receiving space 19 remain approximately in cross section triangular spaces 22.
- the tool parts 12 to 15, the in the embodiment shown in Fig. 3 still distance from each other have to be moved radially inwards.
- the slats 2 in the edge region of the longitudinal edges 20 so plastic deformed (Fig.
- the solid core 3 has an optimal cylindrical shape, although it is formed from the rectangular sheet metal lamellae 2.
- Fig. 3 is the solid line, the inner wall 21 of the tool parts 12 to 15 in the starting position and with a dash-dotted line Line shown in the position after the pressing process.
- Burr formation Longitudinal edges 20
- the solid core 3 has excellent Electrical Properties.
- Fig. 6 shows an enlarged view of one of the slats 2. Die the edges of the lamella provided ridges 25 to 28, which are result from the separation process, are shown enlarged.
- the ridges 25, 27 and the existing on the two long sides a ridge 26 provided on one narrow side is in the same Direction from lamella 2.
- the one on the opposite On the other hand, the narrow side of the lamella 2 existing ridge 28 is opposite arranged to the other ridges 25 to 27.
- Fig. 7 shows in cross section the sheet metal strip 1 or one of its sheet webs 4 to 6.
- the lamella 2 becomes transverse to the longitudinal direction of the corresponding sheet metal sheet by means of a Stamp 30 separated. Because of this cutting process results the changing punch burr direction shown in Fig. 6.
- Fig. 8 shows the possibility of the slats 2 from the sheet metal strip 1 in cut out its longitudinal direction with stamps 30.
- the stamp 30 are between two matrices 29 in the sheet metal strip 1 immersed.
- the slats 2 are punched out, whose Ridges extend in the same direction.
- the slats 2 are supported resiliently during this separation process.
- Fig. 9 shows the position of die 29 and punch 30.
- the cutting edge 31 of the stamp runs straight and perpendicular to the longitudinal direction sheet metal sheet 4 to 6.
- the lamella separated from the sheet metal sheet 2 thus has straight narrow sides.
- the for the solid core 3 slats thus have a top view seen, rectangular shape. In particular, the corners of the slat 2 be without radii due to this manufacturing method.
- a corresponding tool can be used accordingly designed die 29 and punch 30 are used.
- 9 shows two punching tools 32 with dashed lines, with those on the longitudinal edges of the respective sheet webs 4 to 6 profiles 33 are spaced apart.
- the stamp 30 With the stamp 30, the sheet metal sheet 4 to 6 is transverse to it Longitudinal direction in the area of the profiles 33 to form the slats 2 separated.
- the slats 2 are at least one End, preferably at both ends, with the desired profile provided, which is a rounding in the embodiment.
- the lamella 2 shows one possibility, first in the respective sheet metal strip 4 to 6, for example, punch a rectangular opening 34, in the Then in the longitudinal direction with the stamp 30, the lamella 2 is separated. As a result, the slats 2 are on their narrow sides with cut-outs, which with assembled solid core 3 form a depression on its two end faces. In these recesses can in the embodiment of FIG. 5d the weld be accommodated. It therefore does not apply to the face, so that easily on the end faces of the solid core 3, for example Magnets can be attached.
- the slats 2 can be waste can be separated from the metal strip 1.
- the slats 2 are stacked to the solid core 3.
- the joining tool 11 is advantageously used.
- Joining, riveting, welding or bending are appropriate assembly tools intended.
- the slats 2 are advantageous in Manufacturer of the slats for the solid cores 3 in the described Assembled way and if necessary with the joining tool 11 deburred and / or compressed. But it is also possible that Deliver slats 2 to the customer, who in turn supplies the slats to form the solid core 3.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Motors, Generators (AREA)
- Punching Or Piercing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Glass Compositions (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Description
- Fig. 1
- in schematischer Darstellung ein Blechband während der Durchführung des erfindungsgemäßen Verfahrens,
- Fig. 2
- ein Fügewerkzeug zur Herstellung eines Massivkerns,
- Fig. 3
- in vergrößerter Darstellung einen Teil des Fügewerkzeuges gemäß Fig. 2 in einer Ausgangsstellung,
- Fig. 4
- einen Teil des Fügewerkzeuges in einer Endstellung,
- Fig. 5
- verschiedene Ausführungsformen der Verbindung der einzelnen Lamellen zum Massivkern,
- Fig. 6
- in vergrößerter Darstellung eine Lamelle zur Herstellung des Massivkerns,
- Fig. 7
- in vergrößerter Darstellung und im Schnitt einen Stempel, der aus dem Blechband die Lamelle gemäß Fig. 6 heraustrennt,
- Fig. 8
- eine zweite Ausführungsform einer Stanzeinrichtung beim Heraustrennen von Lamellen aus dem Blechband,
- Fig. 9
- in schematischer Darstellung und in Draufsicht die Matrize und den Stempel gemäß Fig. 7, mit denen eine Lamelle abgetrennt wird,
- Fig. 10
- in einer Darstellung entsprechend Fig. 9 eine weitere Möglichkeit, aus einem Blechband Lamellen abzutrennen.
Claims (17)
- Verfahren zur Herstellung von Massivkernen aus Lamellen, die aus einem Blechband herausgetrennt und zum Massivkern zusammengesetzt werden,
dadurch gekennzeichnet, daß das Blechband (1) in seiner Längsrichtung in wenigstens zwei Blechbahnen (4 bis 6) getrennt wird, aus denen die Lamellen (2) quer zur Längsrichtung der jeweiligen Blechbahn (4 bis 6) abgetrennt werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Blechbahnen (4 bis 6) unterschiedliche Breite haben. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Blechbahnen (4 bis 6) vor dem Abtrennen der Lamellen (2) mit Formschlußmitteln (7), vorzugsweise warzenartigen Erhöhungen, versehen werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) durch Stanzpaketieren zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) in einer rohrförmigen Aufnahme (8) zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) durch Nieten zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) durch Schweißen zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) durch Umwickeln zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Lamellen (2) durch Kleben zum Massivkern (3) zusammengesetzt werden. - Verfahren nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß die Lamellen (2) mittels eines Fügewerkzeuges (11) zum Massivkern (3) zusammengesetzt werden. - Verfahren nach Anspruch 10,
dadurch gekennzeichnet, daß das Fügewerkzeug (11) wenigstens zwei, vorteilhaft gegen die Lamellen (2) bewegbare, vorzugsweise unabhängig voneinander bewegbare Werkzeugteile (12 bis 15) aufweist, die einen Aufnahrneraum (19) für die Lamellen (2) begrenzen. - Verfahren, insbesondere nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß die Lamellen (2) nach dem Zusammensetzen zum Massivkern (3) entgratet werden. - Verfahren nach Anspruch 12,
dadurch gekennzeichnet, daß zum Entgraten die Werkzeugteile (12 bis 15) des Fügewerkzeuges (11) gegen die Lamellen (2) so weit bewegt werden, daß die Grate (25 bis 28) der Lamellen (2) durch plastsiche Verformung weggedrückt werden. - Verfahren, insbesondere nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, daß die Lamellen (2) nach dem Zusammensetzen zum Massivkern (3) im Bereich ihrer Längsränder (20) plastisch verformt werden. - Verfahren nach Anspruch 14,
dadurch gekennzeichnet, daß die Lamellen (2) so plastisch verformt werden, daß die Außenseiten (24) der verformten Bereiche in einer gemeinsamen Zylindermantelfläche liegen. - Verfahren nach Anspruch 14 oder 15,
dadurch gekennzeichnet, daß die Werkzeugteile (12 bis 15) des Fügewerkzeuges (11) zur Verformung gegen die Lamellen (2) bewegt werden. - Verfahren nach Anspruch einem der Ansprüche 14 bis 16,
dadurch gekennzeichnet, daß beim Verformen Bereiche (23) der Lamellen (2) in Zwischenräume (22) zwischen den Lamellen (2) und der Wandung des Aufnahmeraumes (19) des Fügewerkzeuges (11) verdrängt werden, und daß vorzugsweise die verdrängten Bereiche (23) die Zwischenräume (22) nahezu vollständig ausfüllen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10032506A DE10032506A1 (de) | 2000-07-05 | 2000-07-05 | Verfahren zur Herstellung von Massivkernen aus Lamellen |
DE10032506 | 2000-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1170760A1 true EP1170760A1 (de) | 2002-01-09 |
EP1170760B1 EP1170760B1 (de) | 2004-11-10 |
Family
ID=7647768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01115529A Expired - Lifetime EP1170760B1 (de) | 2000-07-05 | 2001-06-28 | Verfahren zur Herstellung von Massivkernen aus Lamellen |
Country Status (6)
Country | Link |
---|---|
US (1) | US7082675B2 (de) |
EP (1) | EP1170760B1 (de) |
AT (1) | ATE282243T1 (de) |
DE (2) | DE10032506A1 (de) |
HU (1) | HU224512B1 (de) |
PL (1) | PL199034B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10200775C1 (de) * | 2002-01-10 | 2003-08-14 | Karl Bausch Gmbh & Co Kg Dr | Verfahren zum Fertigen von aus Blechlamellen bestehenden Paketen für Magnetkerne |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018109008B3 (de) * | 2018-04-16 | 2019-09-05 | Muhr Und Bender Kg | Verfahren und Vorrichtung zur Herstellung von mehrlagigen Blechstreifenpaketen |
Citations (9)
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US4381209A (en) * | 1980-12-12 | 1983-04-26 | Westinghouse Electric Corp. | Method of curing a non-metallic band |
US4577174A (en) * | 1984-03-31 | 1986-03-18 | Square D Starkstrom Gmbh | Electromagnet for electric switching device |
JPS6158450A (ja) * | 1984-08-30 | 1986-03-25 | Toshiba Corp | 回転電機用非晶質金属コアの加工方法 |
JPH066960A (ja) * | 1992-06-16 | 1994-01-14 | Toshiba Corp | 積層鉄心の結束方法 |
JPH097869A (ja) * | 1995-06-20 | 1997-01-10 | Mitsubishi Materials Corp | ボンド磁石のバリ取り方法およびバリ取り用バレルボール |
DE19629930A1 (de) * | 1996-07-24 | 1998-02-05 | Siemens Ag | Kern eines Transformators mit geschichteten Blechen sowie eine Vorrichtung und ein Verfahren zur Herstellung der Bleche |
JPH1145815A (ja) * | 1997-05-30 | 1999-02-16 | Hirohata Denjikou Center Kk | 円筒コイル用鉄芯の製造方法 |
DE19741364A1 (de) * | 1997-09-19 | 1999-04-22 | Vacuumschmelze Gmbh | Verfahren und Vorrichtung zur Herstellung von aus Blechlamellen bestehenden Paketen für Magnetkerne |
JPH11260657A (ja) * | 1998-03-10 | 1999-09-24 | Aisan Ind Co Ltd | 点火コイル用コア及び該コアの製造方法 |
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US2898564A (en) * | 1955-03-25 | 1959-08-04 | Allis Chalmers Mfg Co | Core clamp and coil binding device |
US3568118A (en) * | 1968-02-16 | 1971-03-02 | Hitachi Ltd | Transformer |
US3875660A (en) * | 1973-04-13 | 1975-04-08 | Hitachi Ltd | Method of producing laminated magnetic cores for inductive electric apparatus |
US4025379A (en) * | 1973-05-03 | 1977-05-24 | Whetstone Clayton N | Method of making laminated magnetic material |
US4663604A (en) * | 1986-01-14 | 1987-05-05 | General Electric Company | Coil assembly and support system for a transformer and a transformer employing same |
DE3629722A1 (de) * | 1986-09-01 | 1988-03-03 | Hainbuch Wilh Gmbh Co | Spannfutter |
US5563463A (en) * | 1988-06-08 | 1996-10-08 | General Electric Company | Permanent magnet rotor |
JP2901413B2 (ja) * | 1992-04-22 | 1999-06-07 | 北村機電株式会社 | 巻鉄心用帯材の切り抜き装置 |
-
2000
- 2000-07-05 DE DE10032506A patent/DE10032506A1/de not_active Withdrawn
-
2001
- 2001-06-11 HU HU0102410A patent/HU224512B1/hu not_active IP Right Cessation
- 2001-06-28 AT AT01115529T patent/ATE282243T1/de not_active IP Right Cessation
- 2001-06-28 EP EP01115529A patent/EP1170760B1/de not_active Expired - Lifetime
- 2001-06-28 DE DE50104459T patent/DE50104459D1/de not_active Expired - Fee Related
- 2001-07-04 PL PL348449A patent/PL199034B1/pl not_active IP Right Cessation
- 2001-07-05 US US09/899,694 patent/US7082675B2/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381209A (en) * | 1980-12-12 | 1983-04-26 | Westinghouse Electric Corp. | Method of curing a non-metallic band |
US4577174A (en) * | 1984-03-31 | 1986-03-18 | Square D Starkstrom Gmbh | Electromagnet for electric switching device |
JPS6158450A (ja) * | 1984-08-30 | 1986-03-25 | Toshiba Corp | 回転電機用非晶質金属コアの加工方法 |
JPH066960A (ja) * | 1992-06-16 | 1994-01-14 | Toshiba Corp | 積層鉄心の結束方法 |
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Cited By (1)
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DE10200775C1 (de) * | 2002-01-10 | 2003-08-14 | Karl Bausch Gmbh & Co Kg Dr | Verfahren zum Fertigen von aus Blechlamellen bestehenden Paketen für Magnetkerne |
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DE50104459D1 (de) | 2004-12-16 |
US20020003025A1 (en) | 2002-01-10 |
DE10032506A1 (de) | 2002-01-17 |
HU224512B1 (hu) | 2005-10-28 |
PL348449A1 (en) | 2002-01-14 |
HUP0102410A3 (en) | 2002-06-28 |
EP1170760B1 (de) | 2004-11-10 |
PL199034B1 (pl) | 2008-08-29 |
ATE282243T1 (de) | 2004-11-15 |
US7082675B2 (en) | 2006-08-01 |
HUP0102410A2 (hu) | 2002-04-29 |
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