EP0114420A1 - Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen - Google Patents

Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen Download PDF

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Publication number
EP0114420A1
EP0114420A1 EP83200097A EP83200097A EP0114420A1 EP 0114420 A1 EP0114420 A1 EP 0114420A1 EP 83200097 A EP83200097 A EP 83200097A EP 83200097 A EP83200097 A EP 83200097A EP 0114420 A1 EP0114420 A1 EP 0114420A1
Authority
EP
European Patent Office
Prior art keywords
collector
inductor
blades
manufacturing
crown
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
Application number
EP83200097A
Other languages
English (en)
French (fr)
Other versions
EP0114420B1 (de
Inventor
Jean Dewinck
Lucien Hancart
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.)
Umicore NV SA
Original Assignee
Ateliers de Constructions Electriques de Charleroi SA
ACEC SA
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 Ateliers de Constructions Electriques de Charleroi SA, ACEC SA filed Critical Ateliers de Constructions Electriques de Charleroi SA
Priority to DE8383200097T priority Critical patent/DE3365369D1/de
Priority to AT83200097T priority patent/ATE21590T1/de
Priority to EP83200097A priority patent/EP0114420B1/de
Priority to US06/573,393 priority patent/US4598464A/en
Priority to JP59010928A priority patent/JPS59175356A/ja
Publication of EP0114420A1 publication Critical patent/EP0114420A1/de
Application granted granted Critical
Publication of EP0114420B1 publication Critical patent/EP0114420B1/de
Expired 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
    • 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
    • Y10T29/49011—Commutator or slip ring assembly

Definitions

  • the collector of an electric machine is a part that is highly stressed in service. Its development requires careful care since the collector, made up of copper strips and micaceous insulators arranged in a ring, must behave like a compact unit, despite the centrifugal forces, vibrations and overheating imposed by the operation.
  • the conventional method consists in subjecting it to artificial aging by a succession of radial loads, made alternately at room temperature and at a temperature of the order of 200 ° C., using appropriate tools.
  • each heating or cooling operation is spread over several hours.
  • the complete aging cycle of the collector is of the order of a week for large sizes.
  • the classic process immobilizes tools, ovens and cooling areas for several days and requires significant energy consumption.
  • Figure 1 shows a sole 1 supported by a foot 2 and provided on its upper face, with radial notches 3 used for positioning the components of the collector to be manufactured.
  • a cross 4 center on the sole using a shoulder 5 carries studs 6, used for positioning the cross 4 on the sole 1 and studs 7 used for positioning an upper plate 8 also provided on its underside with notches radial 9 arranged opposite the radial notches 3 of the sole 1.
  • the upper plate 8 is centered on the cross-member 4 using a shoulder 10 and is made integral with the sole using a threaded central rod 11 and a nut 12. Between the sole 1 and the upper plate 8 alternately slide manifold plates 13 and micaceous insulating plates 14 using the radial grooves 3 and 9 to serve as guides to the micaceous insulating plates 14 intended for the insulation of the manifold blades 13.
  • a support 15 provided with a tightening ring 16 pierced on its periphery with a number of holes 17.
  • the support 15 receives several segments 18 regularly distributed over the entire periphery and shaped to present between them oblique joints so as to act on all the blades 13 of the collector.
  • each segment 18 is shaped according to a cylinder 19 of diameter adapted to that of the collector to be produced and whose outer surface is a truncated cone adapted to the conicity of a hoop 21.
  • the hoop 21 has holes 22 coinciding with the holes 17 of the crown 16 of the support 15 for sliding therein threaded rods 23 whose nuts 24 serve to bring the hoop 21 closer to the tightening crown 16.
  • This approximation which is in fact a depression of the hoop 21 corresponds to a radial displacement of the segments 18 resulting in a reduction in the diameter of the collector ring made up of the blades 13.
  • the mounting tool consisting of the sole 1, the cross member 4 and the upper plate 8 is used.
  • the assembly consists in sliding the blades 13 and the micaceous insulating plates 14 in the radial grooves 3 and 9 belonging respectively to the sole 1 and to the upper plate 7.
  • the support 15 is put in place to receive the segments 18 distributed regularly around the periphery of the collector ring.
  • the hoop 21 is then slid around the segments 18 and then partially pressed in using the threaded rods 23 and their nuts 24 and 25.
  • FIG. 2 represents, the collector ring formed by the collector blades 13 and micaceous insulating plates 14, a loading tool 25 consisting of the segments 18, the hoop 21, the support 15 secured to the crown 16, threaded rods 23 and their nuts 24.
  • An inductor 26 is placed in the central part of the collector crown.
  • the inductor is in the form of a solenoid whose hollow turns 27 are spread over the entire length of the collector ring. The turns 27 are traversed by a refrigeration fluid and terminate in connection lugs 28.
  • a device for measuring the temperature of the blades 13, not shown, can modulate the heating power throughout the duration of the operation.
  • the inductor 26 By choosing a supply frequency, of the order of a few hundred KHz, adapted to the dimensions of the collector to be produced, the inductor 26 induces in the blades 13 superficial eddy currents which heat them as well as the wafers d micaceous insulator 14 with which they are in intimate contact. By constantly keeping the hoop 21 under load, it exerts, using the segments 18, a radial pressure on the blades 13 and the micaceous insulators 14, which contributes to a reduction in the diameter of the collecting crown. This reduction in diameter corresponds to a real loss of weight in the collector. At the start of the heating operation under pressure, this weight loss is first important, gradually reduces over time to tend asymptotically towards zero weight loss.
  • the inductor can be used in the shape of the inductor, either for example, an inductor of which one or more end turns are of larger diameter to better match the contour of the blades 13, or that the inductor is made of two half-coils inserted one from the top, the other from the bottom, each of these half-coils then having a profile very suitable for the blade 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • General Induction Heating (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP83200097A 1983-01-24 1983-01-24 Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen Expired EP0114420B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE8383200097T DE3365369D1 (en) 1983-01-24 1983-01-24 Method of manufacturing a commutator for a d.c. electric machine
AT83200097T ATE21590T1 (de) 1983-01-24 1983-01-24 Verfahren zur herstellung eines kollektors fuer elektrische gleichstrommaschinen.
EP83200097A EP0114420B1 (de) 1983-01-24 1983-01-24 Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen
US06/573,393 US4598464A (en) 1983-01-24 1984-01-24 Process for the manufacture of collectors of direct current electric machines
JP59010928A JPS59175356A (ja) 1983-01-24 1984-01-24 直流電気機械用の集電子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83200097A EP0114420B1 (de) 1983-01-24 1983-01-24 Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen

Publications (2)

Publication Number Publication Date
EP0114420A1 true EP0114420A1 (de) 1984-08-01
EP0114420B1 EP0114420B1 (de) 1986-08-20

Family

ID=8190923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200097A Expired EP0114420B1 (de) 1983-01-24 1983-01-24 Verfahren zur Herstellung eines Kollektors für elektrische Gleichstrommaschinen

Country Status (5)

Country Link
US (1) US4598464A (de)
EP (1) EP0114420B1 (de)
JP (1) JPS59175356A (de)
AT (1) ATE21590T1 (de)
DE (1) DE3365369D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2174731C1 (ru) * 2000-05-12 2001-10-10 Зорин Виктор Федорович Способ изготовления коллекторного узла электрической машины

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1329277A (en) * 1919-02-12 1920-01-27 Toledo Standard Commutator Com Commutator and process of producing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US593282A (en) * 1897-11-09 Apparatus for assembling commutator-bars
US855134A (en) * 1905-12-01 1907-05-28 Eureka Tempered Copper Works Commutator assembling and finishing device.
SE381138B (sv) * 1974-04-11 1975-11-24 Asea Ab Vermebehandlingsforfarande for astadkommande av forcerad aldring hos en for en roterande elektrisk maskin avsedd kommutator
US4032740A (en) * 1975-04-07 1977-06-28 Illinois Tool Works Inc. Two-level temperature control for induction heating
JPS55109523A (en) * 1979-02-15 1980-08-23 Inoue Japax Res Inc Electromagnetic forming apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1329277A (en) * 1919-02-12 1920-01-27 Toledo Standard Commutator Com Commutator and process of producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2174731C1 (ru) * 2000-05-12 2001-10-10 Зорин Виктор Федорович Способ изготовления коллекторного узла электрической машины

Also Published As

Publication number Publication date
ATE21590T1 (de) 1986-09-15
EP0114420B1 (de) 1986-08-20
DE3365369D1 (en) 1986-09-25
JPS59175356A (ja) 1984-10-04
US4598464A (en) 1986-07-08

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