EP1181748B1 - Verfahren zur herstellung eines plankommutators sowie ein nach diesem verfahren hergestellter plankommutator - Google Patents

Verfahren zur herstellung eines plankommutators sowie ein nach diesem verfahren hergestellter plankommutator Download PDF

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Publication number
EP1181748B1
EP1181748B1 EP00945694A EP00945694A EP1181748B1 EP 1181748 B1 EP1181748 B1 EP 1181748B1 EP 00945694 A EP00945694 A EP 00945694A EP 00945694 A EP00945694 A EP 00945694A EP 1181748 B1 EP1181748 B1 EP 1181748B1
Authority
EP
European Patent Office
Prior art keywords
conductor
segments
carbon
blank
process according
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 - Lifetime
Application number
EP00945694A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1181748A1 (de
Inventor
Jose Potocnik
Marjan Drmota
Ludvik Kumar
Gerhard Bachauer
Herbert Scheutz
Johann Höll
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.)
Bachauer Gerhard
HOELL, JOHANN
SCHEUTZ, HERBERT
Kolektor doo
Original Assignee
Bachauer Gerhard
Scheutz Herbert
Kolektor doo
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 Bachauer Gerhard, Scheutz Herbert, Kolektor doo filed Critical Bachauer Gerhard
Priority to SI200030156T priority Critical patent/SI1181748T1/xx
Publication of EP1181748A1 publication Critical patent/EP1181748A1/de
Application granted granted Critical
Publication of EP1181748B1 publication Critical patent/EP1181748B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators
    • H01R39/06—Commutators other than with external cylindrical contact surface, e.g. flat commutators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/06—Manufacture of commutators
    • 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
    • Y10T29/49011—Commutator or slip ring assembly
    • 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

Definitions

  • the present invention relates to a Plan commutator manufactured by this method.
  • Face commutators are known in various designs and in use.
  • a typical flat commutator shows for example DE-OS 4140475.
  • a typical application for face commutators are Electric motors of fuel pumps (see e.g. DE-OS 19652840 and DE-OS 197526326).
  • To prevent the Running surface of the commutator through ethanol or methanol-containing Fuel attack is common here
  • Flat commutators with a carbon tread are used.
  • the carbon segments are made up of conductor segments Copper worn to the winding ends of the rotor winding without Contact difficulties with the carbon segments too can.
  • DE 4137816 C1 discloses the production of a Flat commutators with carbon tread by on a metallic conductor blank, which in the area of the later Carbon segments has breakthroughs, a perforated Graphite disc fixed with an SMD conductive silver adhesive becomes. Subsequently, the composite part thus formed is in an injection press inserted where the made of insulating material existing carrier body is injected. In the field of Openings in the conductor blank result in direct, gap-free, permanent connections between the support body and the Graphite disc by inserting the material of the carrier body into the Penetrates the upper structure of the graphite material. Subsequently the graphite disc and the conductor blank are e.g. by means of Cut-offs in the individual carbon segments and Subdivided conductor segments.
  • a method of the type mentioned is the one above mentioned WO97 / 03486 removable. That from this document known method for producing a flat commutator is characterized in that those separating cuts with which the carbon ring disc in carbon segments is divided into the molding compound of the hub body extend into it without cutting through the blank. This is achieved by opening the back of the conductor blank provided, wider than the separating cuts, radial grooves filled with molding compound before the carbon ring disc on the composite part from the blank and Hub body is applied. The result is in the range of the opened radial grooves the carbon ring disc immediately to the molding mass of the hub body.
  • this object is achieved solved that the manufacture of the annular inner Fixing web takes place such that its outer diameter in Machining direction decreases and that the carbon ring disc on the machined face of the blank and hub body existing composite part is glued.
  • the characteristic of the present invention Adhesive connection of the carbon ring disc and the Conductor blank and hub body existing composite part with each other in different ways increased life of the invention Flat commutators, compared with those of the prior art Technology down.
  • the adhesive connection provided according to the invention not just like this from the prior art used solder joint is known between the Blank conductor, in particular its end face, and the corresponding areas of the carbon ring disc acts; rather, the adhesive connection also extends those areas where the carbon ring washer is on the molding compound of the hub body is applied.
  • the cross-sectional shape of the bag in particular can be wedge-shaped, also favors the Adhesion of the carbon segments of the finished commutator in a way that promotes its lifespan. Also affects the hardened one collected in the adhesive pockets Adhesive positive in that he has access from aggressive substances in between the carbon segments and the contact area formed radially from the conductor segments prevented inside.
  • the present invention also proves to the extent that it is advantageous if the choice of the Adhesive the danger existing in the prior art that when welding the winding wires to the conductor segments whose temperature exceeds the softening point of the solder and thereby slipping the carbon segments leaves.
  • the maximum outside diameter of the fixing web is preferred larger than the inner diameter of the bore of the carbon ring disc before they are applied to the composite part, the excess for average sized commutators is about 0.1 mm. It is particularly preferred the outer end edge of the fixing web at an angle chamfered between 10 ° and 45 °.
  • the one specified above Fixing bar affects both the manufacture of the flat commutator as well as in terms of its lifespan further advantageous. As part of the manufacturing process the fixing bar fixes the due to its dimensioning carbon ring disc placed on the composite part. The between the opposing end faces of the Carbon ring disc on the one hand and the composite part on the other hand, the adhesive introduced will be in place even then held in place and prevented from escaping when it was is a dry powdery material.
  • the fixing web also takes over a centering or adjustment function for the carbon ring washer, so that the carbon ring washer before the Connection with the composite part in the outer dimensions to final dimension can be manufactured.
  • the excess of the fixation bar opposite the diameter of the bore in the carbon ring disc also prevents the adhesive from escaping in the area the bore of the carbon ring disc when it is pressed on on the composite part.
  • the proposed according to the invention acts on the entire machined face of the blank and Press body existing composite part extending Adhesive connection also between the carbon ring disc and the molding material filling the opened radial grooves.
  • Adhesive connection also between the carbon ring disc and the molding material filling the opened radial grooves.
  • thermoplastic Plastic powder with a melting point above 290 ° C is used (see below), can be used within the scope of the present Invention as an adhesive of various substances use.
  • a thermoplastic Plastic in particular hard coal and petroleum tars and -cheche, natural resins, synthetic resins and thermosetting plastics, through polymerisation, poly addition or poly condensation produced and possibly by natural substances, e.g. B. vegetable or animal oils or natural resins were modified, as well as all artificial resins, which by Modification (e.g. esterification, saponification) more natural Resins were made.
  • Blends of the above substances are also suitable.
  • the adhesive is particularly cheap based on a mixture of powder at least one thermoplastic and at least one thermosetting plastic manufactured. This proves to be very advantageous in the manufacture of the flat commutator because a Melting of the adhesive and thus slipping of the Coal scoff segments effective when welding the connections is prevented.
  • the adhesive with a electrically conductive metallic or non-metallic Filler filled in the form of powders, chips or fibers.
  • a corrosion-resistant metal powder is particularly preferred used, preferably silver or silver-coated Copper powder with a grain size range of 40 up to 90 ⁇ m.
  • the proportion of filler on the filled adhesive between 5 and 95, preferred be between 25 and 50 percent by mass.
  • the composite part from the blank and Hub body an outer ring jacket surrounding the conductor blank made of molding compound, which also at the front Machining the composite part before applying the Carbon ring disc is processed with.
  • a firm connection of the molding compound with the Carbon washer made on its outer circumference become.
  • This is particularly advantageous in terms of mechanical strength and thus the life of the commutator.
  • It also has an impact that such Connection of the carbon ring disc on its outer circumference with the molding compound of the hub body in the finished commutator penetration of aggressive substances in the area of between the carbon segments and the conductor segments existing contact surfaces prevented radially from the outside.
  • radially inner connection of the carbon segments with a Fixing web results in a hermetic seal that is closed on all sides Encapsulation of the contact areas.
  • the conductor blank particularly preferably assigns to his machining end face an inner ring web, an outer ring web and radial webs, the webs being opposite the protrude the remaining end face so that between the webs pocket-shaped depressions are formed.
  • the number of Radial webs correspond to the number on the opposite one Side arranged radial grooves, which in turn with the number of carbon segments and the conductor segments is identical.
  • the groove bases of the radial grooves can be in the run essentially in the same plane as the end face between the webs.
  • the conductor blank shows with a comparatively low use of materials a particularly high torsional rigidity, whereby at the same time when machining the composite part on the face required material removal is comparatively low. So is a particularly cheap conductor blank producible, when molding the hub body into one to encapsulate particularly precise composite part with molding compound and in the context of the composite part particularly economically on the front to edit. So if the reasons for the need Radial grooves run essentially in the same plane as the end face between the webs, at the front Machining the composite part essentially only Inner ring web, the outer ring web and the radial webs removed, for example, to be turned off; because that Radial grooves open at the specified dimensions with the complete removal of the mentioned webs.
  • the present invention in a special way Framework of a process for the production of flat commutators can be used in which the composite part from the blank and Hub body on the face side until it opens with molding compound filled grooves are machined to the conductor blank It is by no means to be subdivided into the conductor segments limited to this procedure.
  • covered manufacturing process is the composite part machined on the end face, but without the molding compound filled grooves are opened; rather are at this procedure, the conductor segments also after front processing of the composite part with each other connected, via thin connecting webs in the area the reasons for use.
  • These connecting bars are only severed after the carbon washer on the composite part has been stuck on, preferably in one Working step together with dividing the Carbon ring disc in carbon segments.
  • the conductor blank 1 illustrated in FIGS. 1 and 2 is essentially pot-shaped. It thus corresponds with regard to its basic structure, the state of the Technology as can be seen, for example, from WO97 / 03486.
  • the Conductor blank according to FIGS. 1 and 2 from an inner ring web 2, an outer ring web 3 and eight radial webs 4 the face on which the carbon ring washer later should be glued on. Between each two adjacent radial webs 4 and these with each other connecting sections of the inner ring web 2 and the outer ring web 3, a pocket-shaped depression 5 is formed.
  • the through the bottoms 6 of the pocket-shaped recesses 5th formed end face between the webs lies in one axis normal level.
  • the one on the opposite side of the Conductor blanks 1 shaped radial grooves 7 have a trapezoidal cross-section. They run parallel to the Radial webs 4 and have a depth that their groove base 8th is essentially in the same plane as the floors 6 of the pocket-shaped depressions 5.
  • FIG. 3 and 4 illustrate this from the conductor blank 1 and 2 and the molded on this, the Composite part 10 forming the hub body 9, after this end, namely on the in Fig. 1st shown end face has been edited. That before molded on the hub body made of molding compound corresponds to the prior art, such as the WO97 / 03486 can be removed, so that there is none at this point Explanation is needed.
  • the frontal processing of the Composite part 10 comprises its end-side twisting for Removing the inner ring web 2, the outer ring web 3 and the Radial bars 4. After removing the bars, the conductor blank has a closed, annular, flat face in through the bottoms 6 of the pocket-shaped depressions 5 educated level.
  • This ring area will be expanded in the following turned off, until the grooves 7 in the area of their Groove base 8 are fully open.
  • the location of this Processing plane 11 is illustrated in FIG. 2. Obviously, a minimal material removal of the closed, annular, flat end face of the conductor blank, to open the grooves 8 filled with molding material. At still deeper formation of the grooves 7 than shown in Fig. 2 would even be possible to open the radial grooves while still the inner ring web 2, the outer ring web 3 and the radial webs 4 be removed.
  • FIGS. 1 and 2 illustrated conductor blank in eight separate conductor segments 12 have been divided. Between each two conductor segments 12 each is made of a press material shaped rib 13 of the hub body 9.
  • Fig. 5 serves only to illustrate that for Manufacture of the later carbon segments an inexpensive and carbon ring disk that can be produced with little effort 19 is used.
  • the outer circumference 20 of the Carbon ring disk 19 is exactly on the outer circumference 21 of the composite part 10 machined on the end face such that the outer diameter of the carbon rina 19 with the outer diameter of the composite part 10 in the area of the processing plane 11 coincides.
  • the Diameter of the bore 22 of the carbon ring disc 19 is about 0.1 mm smaller than the outside diameter of the fixing web 14 of the composite part 10. This favors that the carbon ring 14 even before carrying out the bonding with the composite part 10 in a secure position during the manufacturing process is positioned and between those to be glued together Parts of existing adhesive cannot escape.
  • FIG. 14 Two special details of the fixing web 14 are shown in FIG the composite body 10 and glued-on carbon ring disk 19 formed commutator blank 23, clearly visible.
  • the outer surface 24 tapers of the fixing web 14 from the range of the maximum diameter in Direction towards the working plane 11; with others Words, the outer diameter of the fixing web 14 increases Range of a maximum diameter towards the Processing level 11 down.
  • On Outer periphery of the fixing web 14 has a circumferential annular groove-like Indentation that occurs when the carbon ring disk 19 is glued is filled with the composite part 10 with adhesive.
  • the on this way formed adhesive bag 25 with approximately wedge-shaped Cross section favors the mechanically firm and tight connection of the carbon washer 19 and the your emerging carbon segments with the composite part 10.
  • the chamfer 26 of the fixing web 14 recognizable with regard to the excess of the fixing web opposite the bore 22 of the carbon washer 19 from Importance is to damage the carbon ring disc excluded during assembly.
  • the carbon ring disk 19 is glued to the composite part 10, as was explained in detail above.
  • a mixture of thermoplastic powder (PPS) and thermosetting plastic powder is used as the adhesive.
  • PPS is characterized by its high temperature resistance and its high resistance in fuels.
  • One of the two adhesive surfaces is dusted with the adhesive powder waste as well as with metal powder.
  • a copper powder with a grain size range of 40 to 90 ⁇ m, silver-plated for corrosion reasons, is used as the metal powder, the task of which is to ensure sufficient conductivity.
  • the proportion of metal powder in the adhesive filled with it is between 25% and 50%. Just enough plastic powder is sprinkled on the adhesive surface that the surface is evenly and densely covered. Then the composite part 10 and the carbon ring disk 19 are joined together and heated to approximately 300 ° C.
  • the adhesive melts and penetrates into the pores of the carbon ring disk 19. After a short holding time of approx. 5 seconds, the mixture is cooled. The adhesive that has penetrated into the pores solidifies, thus creating a mechanical positive connection. This achieves optimal adhesion that is superior to that of soldering.
  • the metal powder forms the contact bridges between the conductor segments 12 and the carbon ring disk 19, which causes a very low contact resistance.
  • the thickness of the adhesive layer 27 is a maximum of 500 ⁇ m, whereby, as explained above, the adhesive has partially penetrated into the pores of the carbon ring disc 19 and has hardened there.
  • Removing adhesive residue 28 is done as shown in FIG. 7 is illustrated, after curing of the adhesive in the area a circumferential groove 29 is screwed into the adhesive layer 27. So that is the commutator blank 23 prepared so far that only still the carbon ring washer 19 by cutting cuts 30 in Carbon segments 31 are to be subdivided. In the left Half of Fig. 7 is shown that the separation cut 30 extends into the molding rib 13. It will also the fixing web 14 divided by the separating cuts 30, so that in particular a current flow between the individual conductor segments over the adhesive filled with metal particles is excluded.
  • 9 to 13 illustrate an alternative to that Manufacturing process explained above. You accordingly in considerable amounts of Figures 2, 3, 4, 7 and 8. to the extent of Correspondence to those figures is indicated on the above Executions referenced. The description below is therefore limited to the significant differences of the in 9 to 13 illustrated manufacturing process compared in the manufacturing process according to FIGS. 1 to 8.
  • FIGS. 9 and 2 show that the radial grooves 7 ' in the case of the variant described here, a smaller depth have than the radial grooves 7 of the above Manufacturing process. It follows that the front Machining of the conductor blank and the hub body existing composite part 10 'to the processing level 11 the Grooves 7 'cannot be opened. Rather, the later remain Conductor segments of the conductor blank via connecting webs 32 connected with each other. A preferred measure of the thickness of the Connecting webs 32 is in a face commutator typical dimensioning about 0.3 mm.
  • the carbon ring disc is thus on the by Machined end face 33 of the conductor blank 1 'glued on. Dividing the conductor blank 1 'into the conductor segments 12' takes place in one Operation with dividing the carbon ring disc into Carbon segments 31 'by separating cuts 30', which are up into the molding compound of the hub body in the grooves 7 ' extend.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Contacts (AREA)
  • Dc Machiner (AREA)
EP00945694A 1999-06-02 2000-05-31 Verfahren zur herstellung eines plankommutators sowie ein nach diesem verfahren hergestellter plankommutator Expired - Lifetime EP1181748B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030156T SI1181748T1 (en) 1999-06-02 2000-05-31 Method of producing a flat commutator and a flat commutator produced according to said method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19925286 1999-06-02
DE19925286A DE19925286A1 (de) 1999-06-02 1999-06-02 Verfahren zur Herstellung eines Plankommutators sowie ein nach diesem Verfahren hergestellter Plankommutator
PCT/EP2000/004971 WO2000074181A1 (de) 1999-06-02 2000-05-31 Verfahren zur herstellung eines plankommutators sowie ein nach diesem verfahren hergestellter plankommutator

Publications (2)

Publication Number Publication Date
EP1181748A1 EP1181748A1 (de) 2002-02-27
EP1181748B1 true EP1181748B1 (de) 2003-05-14

Family

ID=7910022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00945694A Expired - Lifetime EP1181748B1 (de) 1999-06-02 2000-05-31 Verfahren zur herstellung eines plankommutators sowie ein nach diesem verfahren hergestellter plankommutator

Country Status (11)

Country Link
US (1) US6684485B1 (ko)
EP (1) EP1181748B1 (ko)
JP (1) JP2003501989A (ko)
KR (1) KR100659960B1 (ko)
CN (1) CN1182633C (ko)
AT (1) ATE240600T1 (ko)
BR (1) BR0011563A (ko)
DE (2) DE19925286A1 (ko)
DK (1) DK1181748T3 (ko)
ES (1) ES2198326T3 (ko)
WO (1) WO2000074181A1 (ko)

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MXPA05006707A (es) * 2000-05-31 2005-09-08 Kolektor Group Doo Conmutador plano.
GB2371261B (en) * 2001-01-22 2004-04-07 Itt Mfg Enterprises Inc Electrical component with conductive tracks
DE60131741T2 (de) * 2001-02-28 2008-11-06 Mitsubishi Denki K.K. Erregungssubstrat von sich drehenden elektrischen maschinen
DE10115601C1 (de) * 2001-03-29 2002-09-05 Kolektor D O O Trommelkommutator sowie Verfahren zu seiner Herstellung
DE102004009047A1 (de) * 2004-02-23 2005-09-22 Schunk Motorensysteme Gmbh Läufermotor
DE102005028791A1 (de) * 2005-06-16 2006-12-28 Kautt & Bux Gmbh Plankommutator und Verfahren zur Herstellung eines Plankommutators
WO2007122767A1 (ja) * 2006-04-13 2007-11-01 Mitsubishi Electric Corporation 直流モータ
DE102006046666A1 (de) * 2006-09-29 2008-04-03 Robert Bosch Gmbh Plankommutator
GB0800464D0 (en) * 2008-01-11 2008-02-20 Johnson Electric Sa Improvement in or relating to a commutator
CN101924315B (zh) * 2009-06-16 2014-09-03 德昌电机(深圳)有限公司 换向器及其制造方法
DE102009057063A1 (de) * 2009-12-04 2011-06-09 Kolektor Group D.O.O. Verfahren zur Herstellung eines Plankommutators sowie Plankommutator
RU2461106C1 (ru) * 2011-06-23 2012-09-10 Открытое Акционерное Общество "Российские Железные Дороги" Устройство для обработки коллектора электродвигателя
CN104064936A (zh) * 2013-03-20 2014-09-24 德昌电机(深圳)有限公司 换向器及其制作方法
CN103531989B (zh) * 2013-10-25 2015-08-19 中电电机股份有限公司 高速紧圈式换向器绝缘环的制造装置及制造方法
EP3139455B1 (de) * 2015-09-02 2019-08-21 Schunk Carbon Technology GmbH Scheibenrohling zur herstellung von kommutatorlamellen
CN106911232B (zh) * 2017-04-01 2024-04-16 宁波韵升电驱动技术有限公司 电枢换向器的压制装置及压制方法
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods
CN114871705B (zh) * 2022-06-06 2023-09-15 中船九江精达科技股份有限公司 一种自稳定高精度导电薄壁圆环制备方法及其加工夹具

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GB1188533A (en) * 1966-07-20 1970-04-15 Lucas Industries Ltd Manufacture of Face Commutators
US5189329A (en) 1988-09-26 1993-02-23 Johnson Electric S.A. Assembled commutator
DE4028420A1 (de) * 1990-09-07 1992-03-12 Kautt & Bux Kg Plankommutator und verfahren zu seiner herstellung
DE4137816C1 (en) * 1991-11-16 1992-12-03 Tech-In Gmbh I.G., O-1530 Teltow, De Flat commutator for universal motors and generators - includes running surface made of graphite carbon@ with metal additive and copper@ alloy
DE4140475C2 (de) 1991-12-09 1995-01-19 Kolektor D O O Verfahren zur Herstellung eines Preßstoff-Plankommutators
JP3313509B2 (ja) * 1994-04-25 2002-08-12 株式会社ミツバ コミテータ
DE19525584A1 (de) 1995-07-13 1997-01-16 Kautt & Bux Commutator Gmbh Verfahren zur Herstellung eines Plankommutators
US5793140A (en) 1995-12-19 1998-08-11 Walbro Corporation Electric motor flat commutator

Also Published As

Publication number Publication date
CN1182633C (zh) 2004-12-29
KR20020022685A (ko) 2002-03-27
DK1181748T3 (da) 2003-06-10
DE50002190D1 (de) 2003-06-18
WO2000074181A1 (de) 2000-12-07
BR0011563A (pt) 2002-02-26
DE19925286A1 (de) 2000-12-07
ATE240600T1 (de) 2003-05-15
CN1351771A (zh) 2002-05-29
ES2198326T3 (es) 2004-02-01
JP2003501989A (ja) 2003-01-14
EP1181748A1 (de) 2002-02-27
KR100659960B1 (ko) 2006-12-22
US6684485B1 (en) 2004-02-03

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