EP0040163A1 - Method for manufacturing end commutators in electric motors - Google Patents

Method for manufacturing end commutators in electric motors Download PDF

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Publication number
EP0040163A1
EP0040163A1 EP81420069A EP81420069A EP0040163A1 EP 0040163 A1 EP0040163 A1 EP 0040163A1 EP 81420069 A EP81420069 A EP 81420069A EP 81420069 A EP81420069 A EP 81420069A EP 0040163 A1 EP0040163 A1 EP 0040163A1
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EP
European Patent Office
Prior art keywords
collector
tool
grooves
diameter
bore
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
EP81420069A
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German (de)
French (fr)
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EP0040163B1 (en
Inventor
Michel Coquillart
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Mavilor Systemes SA
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Mavilor Systemes SA
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Publication date
Application filed by Mavilor Systemes SA filed Critical Mavilor Systemes SA
Publication of EP0040163A1 publication Critical patent/EP0040163A1/en
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Publication of EP0040163B1 publication Critical patent/EP0040163B1/en
Expired legal-status Critical Current

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    • 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
    • H01R43/08—Manufacture of commutators in which segments are not separated until after assembly
    • 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
    • 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
    • Y10T29/49799—Providing transitory integral holding or handling portion

Definitions

  • the invention relates to a method and means for manufacturing front collectors of electric motors, applicable in particular to collectors comprising insulation between the blades.
  • Cylindrical collectors of electric motors are known with mica insulation disposed in peripheral grooves.
  • the invention as characterized in the claims solves the problem of producing in a rational and economical manner, front collectors with inter-lamella insulation in mica, with good precision and simplified tools.
  • the collector is cut off by cutting off, the various diameters required are machined, a plurality of radial grooves are executed on one face of the crown obtained in which insulating sheets of profile corresponding to the sectional profile of the collector, but of slight dimensions
  • the collector is force-fitted into the bore with a low taper, of a tool, to firmly hold the sheets in the grooves by diametrical constriction of the collector, in a second tool, the thin parts of collector located between the radial grooves and the face of the collector opposite to the grooves, the collector thus prepared is placed, between the two parts of a mold into which the coating resin is poured from the collector equipped with its windings and the inner sleeve .
  • the collectors are cut from a bar or a copper tube, by sawing with a saw or otherwise, so as to obtain discs which are respectively machined to constitute a blank (1) of sectional profile corresponding to its definition or its characteristics of use.
  • the manifold has a sectional shape comprising two annular bearing surfaces (1a - 1b) of different diameters, with in the bore, a groove (1c) of rectangular section, and externally, a groove (1d) of liaison.
  • Radial grooves (1e), the depth (a) of which is slightly less than the thickness (b) of the collector, as illustrated in FIG. 4, are executed with a saw mill or otherwise. that the strips (1f) formed between the grooves are held together.
  • Sheets of mica or other insulating material (2) are cut according to a profile similar to that of the section of the collector, but of height (e) slightly less than or equal at the depth (a) of said grooves.
  • the faces (2a - 2b - 2c) project beyond the cross-section of the collector when the sheets are arranged in the grooves, while on the contrary, the faces (2d - 2e) are arranged in withdrawal.
  • the collector equipped with its mica sheets is placed at the entrance of: a bore (3a) of low conicity, formed in a tool (3), the upper diameter (d1) of which corresponds substantially to the diameter of the manifold, while the lower diameter (d2) / is smaller, as illustrated in FIG. 5
  • the collector (1) is forced to descend to the level of the reduced reduced diameter (d2) of the bore (3a), to allow by reduction, the reduction of its diameter, and consequently, the tightening of the lamellae (1f) thus coming to strongly tighten the sheets of mica (2).
  • the latter are also compressed at their upper part, by the mandrel (4), while the thin parts (1g) of the collector situated under the grooves (1e), deform under the force which they undergo, as illustrated in FIG. 5 .
  • a second tool (5), placed under the tool (3), has a bore (5a) whose diameter (d3) is equal to the diameter (d2) of the bore (3a).
  • the collector is completely and firmly engaged in the tool (5).
  • the tool (5) provided with its collector is then machined on a lathe, in order to produce for example, a groove (1h) on the bearing surface (1b) of the collector, and to erect the opposite face of the collector until the 'removal of the deformed parts (1g).
  • the tool (5) provided with its collector is then centered above the bore (7a) of a third tool (7) which is in fact, the lower part of the mold in which the collector is to be coated with resin, and which comprises for this purpose, a blind bore (7a) intended to receive the collector (1) ejected from the tool (5) by pushing the mandrel (4) or a similar member, as illustrated in FIG. 7.
  • the groove (1h) can be produced before the execution of the grooves (1e), for example, after cutting, or else be of different shape, or the collector may not have this groove (1h).
  • the reinforcing ring (6) can be removed or placed in the groove (1h), or put in place before or after positioning the collector in the lower part (7) of the mold.

Abstract

Ce collecteur (1) est débité par tronçonnage et usiné suivant les différents diamètres nécessaires ; on exécute sur une face de la couronne obtenue, une pluralité de rainures radiales (1e) dans lesquelles on introduit des feuilles isolantes (2) de profil correspondant au profil en section du collecteur, mais de dimensions légèrement différentes, on fait traverser en force le collecteur dans l'alésage (3a), de faible conicité, d'un outillage (3), pour maintenir fortement les feuilles (2) dans les rainures (1e), par rétreinte diamétrale du collecteur, dans un deuxième outillage (5), on enlève par usinage, les parties minces (1g) du collecteur situées entre les rainures radiales et la face du collecteur opposée aux rainures, on place le collecteur ainsi préparé, entre les deux parties (7 - 8) d'un moule dans lequel on coule la résine (10) d'enrobage du collecteur équipé de ses enroulements et de la douille intérieure (9).This collector (1) is cut by cutting and machined according to the different diameters necessary; on a face of the crown obtained, a plurality of radial grooves (1e) are introduced into which insulating sheets (2) are introduced with a profile corresponding to the sectional profile of the collector, but of slightly different dimensions, the force is passed through collector in the bore (3a), of low taper, of a tool (3), for strongly holding the sheets (2) in the grooves (1e), by diametrical constriction of the collector, in a second tool (5), the thin parts (1g) of the collector located between the radial grooves and the face of the collector opposite the grooves are removed by machining, the collector thus prepared is placed between the two parts (7 - 8) of a mold in which the resin (10) for coating the collector equipped with its windings and the inner sleeve (9) flows.

Description

L'invention concerne un procédé et des moyens de fabrication de collecteurs frontaux de moteurs électriques,applicables notamment aux collecteurs comportant une isolation entre les lames.The invention relates to a method and means for manufacturing front collectors of electric motors, applicable in particular to collectors comprising insulation between the blades.

On connait des collecteurs cylindriques de moteurs électriques avec une isolation en mica disposée dans des rainures périphériques.Cylindrical collectors of electric motors are known with mica insulation disposed in peripheral grooves.

Dans le cas de collecteurs frontaux, ou en forme de disques, l'isolation inter-lamelles en mica n'a pas encore été résolue de manière satisfaisante.In the case of front collectors, or in the form of discs, the inter-lamella mica insulation has not yet been satisfactorily resolved.

L'invention telle qu'elle est caractérisée dans les revendications résout le problème consistant à réaliser d'une manière rationnelle et économique, des collecteurs frontaux à isolation inter-lamelles en mica, avec une bonne précision et des outillages simplifiés.The invention as characterized in the claims solves the problem of producing in a rational and economical manner, front collectors with inter-lamella insulation in mica, with good precision and simplified tools.

Selon une caractéristique de procédé selon l'invention, on débite le collecteur par tronçonnage, on usine les différents diamètres nécessaires, on exécute sur une face de la couronne obtenue, une pluralité de rainures radiales dans lesquelles on introduit des feuilles isolantes de profil correspondant au profil en section du collecteur, mais de dimensions légèrement différentes, on fait traverser en force le collecteur dans l'alésage de faible conicité, d'un outillage, pour maintenir fortement les feuilles dans les rainures par rétreinte diamétrale du collecteur, dans un deuxième outillage, on enlève par usinage les parties minces de collecteur situées entre les rainures radiales et la face du collecteur opposée aux rainures, on place le collecteur ainsi préparé, entre les deux parties d'un moule dans lequel on coule la résine d'enrobage du collecteur équipé de ses enroulements et de la douille intérieure.According to a characteristic of the process according to the invention, the collector is cut off by cutting off, the various diameters required are machined, a plurality of radial grooves are executed on one face of the crown obtained in which insulating sheets of profile corresponding to the sectional profile of the collector, but of slight dimensions In a completely different way, the collector is force-fitted into the bore with a low taper, of a tool, to firmly hold the sheets in the grooves by diametrical constriction of the collector, in a second tool, the thin parts of collector located between the radial grooves and the face of the collector opposite to the grooves, the collector thus prepared is placed, between the two parts of a mold into which the coating resin is poured from the collector equipped with its windings and the inner sleeve .

. Ces caractéristiques et d'autres ressortiront de la description qui suit.. These and other features will become apparent from the description which follows.

Pour fixer l'objet de l'invention, sans toutefois le limiter, aux figures des dessins annexés :

  • La figure 1 est une vue en perspective d'un collecteur ébauché.
  • La figure 2 est une vue en perspective d'une lamelle de mica de section correspondant sensiblement à la section du collecteur représenté selon la figure 1.
  • La figure 3 est une vue partielle, en perspective, du collecteur après exécution des rainures radiales.
  • La figure 4 est une vue en coupe illustrant une lamelle de mica mise en place dans une rainure du collecteur.
  • Les figures 5, 6, 7 et 8 sont des vues à caractère schématique illustrant les autres phases du procédé selon l'invention.
To fix the subject of the invention, without however limiting it, to the figures of the appended drawings:
  • Figure 1 is a perspective view of a rough collector.
  • FIG. 2 is a perspective view of a mica strip of cross section corresponding substantially to the cross section of the collector shown according to FIG. 1.
  • Figure 3 is a partial perspective view of the manifold after execution of the radial grooves.
  • Figure 4 is a sectional view illustrating a mica strip placed in a groove of the collector.
  • Figures 5, 6, 7 and 8 are schematic views illustrating the other phases of the method according to the invention.

Selon la présente invention et dans l'exemple nullement limitatif illustré aux dessins, les collecteurs sont débités à partir d'un barreau ou d'un tube de cuivre, par tronçonnage à la scie ou autrement, de manière à obtenir des disques qui sont respectivement usinés pour constituer une ébauche (1) de profil en section correspondant à sa définition ou ses caractéristiques d'emploi.According to the present invention and in the nonlimiting example illustrated in the drawings, the collectors are cut from a bar or a copper tube, by sawing with a saw or otherwise, so as to obtain discs which are respectively machined to constitute a blank (1) of sectional profile corresponding to its definition or its characteristics of use.

Dans l'exemple illustré, le collecteur présente une forme en section comprenant deux portées annulaires (1a - 1b) de diamètres différents, avec dans l'alésage, une gorge (1c) de section rectangulaire, et extérieurement, une gorge (1d) de liaison.In the example illustrated, the manifold has a sectional shape comprising two annular bearing surfaces (1a - 1b) of different diameters, with in the bore, a groove (1c) of rectangular section, and externally, a groove (1d) of liaison.

Avec une fraise-scie ou autrement, on exécute à partir de la portée (1b), des rainures radiales (1e) dont la profondeur (a) est légèrement inférieure à l'épaisseur (b) du collecteur comme illustré figure 4, de manière à ce que les lamelles (1f) formées entre les rainures, soient maintenues entre elles.Radial grooves (1e), the depth (a) of which is slightly less than the thickness (b) of the collector, as illustrated in FIG. 4, are executed with a saw mill or otherwise. that the strips (1f) formed between the grooves are held together.

Des feuilles de mica ou autre matière isolante (2), d'épaisseur sensiblement égale à la largeur des rainures (1e), sont découpées suivant un profil semblable à celui de la section du collecteur, mais de hauteur (e ) légèrement inférieure ou égale à la profondeur (a) desdites rainures. Les faces (2a - 2b - 2c) débordent par rapport à la section du collecteur lorsque les feuilles sont disposées dans les rainures, tandis qu'au contraire, les faces (2d - 2e) sont disposées en retrait.Sheets of mica or other insulating material (2), of thickness substantially equal to the width of the grooves (1e), are cut according to a profile similar to that of the section of the collector, but of height (e) slightly less than or equal at the depth (a) of said grooves. The faces (2a - 2b - 2c) project beyond the cross-section of the collector when the sheets are arranged in the grooves, while on the contrary, the faces (2d - 2e) are arranged in withdrawal.

Les feuilles de mica (2) engagées et positionnées dans les rainures (1e), sont fermement maintenues en resserrant les lamelles (1f)• A cet effet, le collecteur équipé de ses feuilles de mica, est placé à l'entrée d:'un alésage (3a) de faible conicité, formé dans un outillage (3),dont le diamètre supérieur (d1) correspond sensiblement au diamètre du collec- lui teur, tandis que le diamètre inférieur (d2)/est inférieur, comme illustré figure 5. A l'aide d'un mandrin mobile (4) ou organe équivalent, on force le collecteur (1) à descendre au niveau du diamètre inférieur réduit (d2) de l'alésage (3a), pour permettre par rétreinte, la diminution de son diamètre, et par suite, le resserrement des lamelles (1f) venant ainsi serrer fortement les feuilles de mica (2). Ces dernières sont également comprimées à leur partie supérieure, par le mandrin (4), tandis que les parties minces (1g) du collecteur situées sous les rainures (1e), se déforment sous l'effort qu'elles subissent, comme illustré figure 5.The mica sheets (2) engaged and positioned in the grooves (1e), are firmly held by tightening the strips (1f) • For this purpose, the collector equipped with its mica sheets, is placed at the entrance of: a bore (3a) of low conicity, formed in a tool (3), the upper diameter (d1) of which corresponds substantially to the diameter of the manifold, while the lower diameter (d2) / is smaller, as illustrated in FIG. 5 Using a movable mandrel (4) or equivalent member, the collector (1) is forced to descend to the level of the reduced reduced diameter (d2) of the bore (3a), to allow by reduction, the reduction of its diameter, and consequently, the tightening of the lamellae (1f) thus coming to strongly tighten the sheets of mica (2). The latter are also compressed at their upper part, by the mandrel (4), while the thin parts (1g) of the collector situated under the grooves (1e), deform under the force which they undergo, as illustrated in FIG. 5 .

Un deuxième outillage (5), placé sous l'outillage (3), présente un alésage (5a) dont le diamètre (d3) est égale au diamètre (d2) de l'alésage (3a). En fin de course du mandrin (4), le collecteur est complètement et fermement engagé dans l'outillage (5).A second tool (5), placed under the tool (3), has a bore (5a) whose diameter (d3) is equal to the diameter (d2) of the bore (3a). At the end of the mandrel stroke (4), the collector is completely and firmly engaged in the tool (5).

L'outillage (5) muni de son collecteur, est ensuite usiné sur un tour, afin de réaliser par exemple, une gorge (1h) sur la portée (1b) du collecteur, et de dresser la face opposée du collecteur jusqu'à l'enlèvement des parties (1g) déformées.The tool (5) provided with its collector, is then machined on a lathe, in order to produce for example, a groove (1h) on the bearing surface (1b) of the collector, and to erect the opposite face of the collector until the 'removal of the deformed parts (1g).

Cette opération d'usinage terminée, un anneau métallique (6) de renforcement du collecteur, est par exemple, mis en place dans la gorge extérieure (1d) où il repose sur la face débordante (2a) des feuilles de mica, sans aucun contact avec le collecteur, donc sans liaison électrique, comme illustré figure 7.This machining operation completed, a metal ring (6) for reinforcing the collector, for example, is placed in the outer groove (1d) where it rests on the projecting face (2a) of the mica sheets, without any contact with the collector, therefore without electrical connection, as illustrated in FIG. 7.

L'outillage (5) muni de son collecteur, est ensuite centré au-dessus de l'alésage (7a) d'un troisième outillage (7) qui est en fait, la partie inférieure du moule dans lequel le collecteur doit être enrobé de résine, et qui comprend à cet effet, un alésage borgne (7a) destiné à recevoir le collecteur (1) éjecté de l'outillage (5) par poussée du mandrin (4) ou d'un organe similaire, comme illustré figure 7.The tool (5) provided with its collector, is then centered above the bore (7a) of a third tool (7) which is in fact, the lower part of the mold in which the collector is to be coated with resin, and which comprises for this purpose, a blind bore (7a) intended to receive the collector (1) ejected from the tool (5) by pushing the mandrel (4) or a similar member, as illustrated in FIG. 7.

Il ne reste alors plus qu'à positionner la partie supérieure (8) du moule avec la douille intérieure (9) du collecteur, et à couler la résine (10) destinée à former le centre du rotor (figure 8), dont la périphérie équipée de façon connue, de ses enroulements reliés aux lamelles du collecteur, est ensuite formée également par enrobage de résine, dans un autre moule.It then only remains to position the upper part (8) of the mold with the inner sleeve (9) of the collector, and to pour the resin (10) intended to form the center of the rotor (FIG. 8), the periphery of which equipped in a known manner, with its windings connected to the collector lamellae, is then also formed by coating with resin, in another mold.

Bien entendu, de nombreuses variantes peuvent être introduites dans le cadre de l'invention. Par exemple, la gorge (1h) peut être réalisée avant l'exécution des rainures (1e), par exemple, après le tronçonnage, ou bien être de forme différente, ou encore le collecteur peut ne pas présenter cette gorge (1h). De même, l'anneau de renforcement (6) peut être supprimé ou disposé dans la gorge (1h), ou mis en place avant ou après positionnement du collecteur dans la partie inférieure (7) du moule.Of course, many variants can be introduced within the scope of the invention. For example, the groove (1h) can be produced before the execution of the grooves (1e), for example, after cutting, or else be of different shape, or the collector may not have this groove (1h). Likewise, the reinforcing ring (6) can be removed or placed in the groove (1h), or put in place before or after positioning the collector in the lower part (7) of the mold.

Claims (7)

1. Procédé et moyens de fabrication de collecteurs frontaux de moteurs électriques, notamment du type comportant une isolation entre les lames, caractérisés en ce que l'on débite le collecteur (1) par tronçonnage, on usine les différents diamètres nécessaires, on exécute sur une face de la couronne obtenue, une pluralité de rainures radiales (1e) dans lesquelles on introduit des feuilles isolantes (2) de profil correspondant au profil en section du collecteur, mais de dimensions légèrement différentes, on fait traverser en force le collecteur dans l'alésage (3a),de faible conicité, d'un outillage (3), pour maintenir fortement les feuilles (2) dans les rainures (1e), par rétreinte diamétrale du collecteur, dans un deuxième outillage (5), on enlève par usinage, les parties minces (1g) de collecteur situées entre les rainures radiales et la face du collecteur opposée aux rainures, on place le collecteur ainsi préparé, entre les deux parties (7 - 8) d'un moule dans lequel on coule la résine (10) d'enrobage du collecteur équipé de ses enroulements et de la douille intérieure (9).1. Method and means for manufacturing front collectors of electric motors, in particular of the type comprising insulation between the blades, characterized in that the collector (1) is cut off by cutting, the different diameters required are machined, one face of the crown obtained, a plurality of radial grooves (1e) into which insulating sheets (2) are introduced with a profile corresponding to the sectional profile of the collector, but of slightly different dimensions, the collector is forced through the '' bore (3a), of low taper, of a tool (3), to strongly maintain the sheets (2) in the grooves (1e), by diametrical constriction of the collector, in a second tool (5), we remove by machining, the thin parts (1g) of the collector located between the radial grooves and the face of the collector opposite to the grooves, the collector thus prepared is placed, between the two parts (7 - 8) of a mold into which the resin is poured e (10) for coating the collector equipped with its windings and the inner sleeve (9). 2. Procédé et moyens selon 1, caractérisés en ce que l'on exécute les rainures radiales (1e) à l'aide d'une fraise-scie ou organe similaire, et à une profondeur légèrement inférieure à l'épaisseur du collecteur (1), pour maintenir entre elles les lamelles (1f) constituées par les zones entre les rainures.2. Method and means according to 1, characterized in that the radial grooves (1e) are executed using a saw mill or the like, and at a depth slightly less than the thickness of the collector (1 ), to hold between them the strips (1f) formed by the zones between the grooves. 3. Procédé et moyens selon 1, caractérisés en ce que les feuilles isolantes (2), en mica par exemple, sont découpées suivant un profil tel que les faces latérales (2a - 2b - 2c) soient en débordement du profil en section du collecteur, tandis que la face supérieure et les faces latérales (2d - 2e) sont en retrait, cela lorsque lesdites feuilles (2) sont placées dans les rainures (1e).3. Method and means according to 1, characterized in that the insulating sheets (2), in mica for example, are cut according to a profile such that the lateral faces (2a - 2b - 2c) are in overflow of the profile in section of the collector , while the upper face and the lateral faces (2d - 2e) are set back, this when said sheets (2) are placed in the grooves (1e). 4. Procédé et moyens selon 1, caractérisés en ce que le collecteur (1) équipé de ses feuilles isolantes (2), est placé à l'entrée de l'alésage (3a) de l'outillage (3) dont le diamètre supérieur (d1) correspond sensiblement au diamètre du collecteur, lequel est poussé par un mandrin (4) ou organe équivalent en direction du diamètre inférieur (d2) de l'alésage qui est de plus petit diamètre que le diamètre (d1), de manière à resserrer les lamelles (1f) du collecteur contre les feuilles isolantes (2), par rétreinte diamétrale.4. Method and means according to 1, characterized in that the collector (1) equipped with its insulating sheets (2), is placed at the entrance to the bore (3a) of the tool (3), the upper diameter (d1) corresponds substantially to the diameter of the collector, which is pushed by a mandrel (4) or equivalent member towards the lower diameter (d2) of the bore which is smaller in diameter than the diameter (d1), so as to tighten the strips (1f) of the collector against the insulating sheets (2), by diametrical constriction. 5. Procédé et moyens selon 1, caractérisés en ce qu'en fin de course du mandrin (4), le collecteur est entièrement engagé et maintenu dans le deuxième outillage (5) placé sous l'outillage (3) et dont l'alésage a un diamètre (d3) égal au diamètre (d2) de l'outillage (3), l'outillage (5) et le collecteur (1) étant alors positionnés sur un tour d'usinage, afin de dresser la face du collecteur (1) située sous les rainures (1e), jusqu'à enlèvement des parties minces (1g), et éventuellement pour effectuer d'autres usinages tels qu'une gorge (1h), du côté des rainures (1e).5. Method and means according to 1, characterized in that at the end of the mandrel (4) stroke, the collector is fully engaged and maintained in the second tool (5) placed under the tool (3) and whose bore has a diameter (d3) equal to the diameter (d2) of the tool (3), the tool (5) and the collector (1) then being positioned on a machining lathe, in order to draw up the face of the collector ( 1) located under the grooves (1e), until the thin parts (1g) are removed, and possibly to carry out other machining operations such as a groove (1h), on the side of the grooves (1e). 6. Procédé et moyens selon 1, caractérisés en ce que l'outillage (5) et le collecteur (1) ainsi exécutés, sont centrés au-dessus de l'alésage (7a) d'un outillage (7) constituant la partie inférieure d'un moule, le collecteur étant éjecté de l'outillage (5) par le mandrin (4) ou organe similaire.6. Method and means according to 1, characterized in that the tool (5) and the collector (1) thus executed, are centered above the bore (7a) of a tool (7) constituting the lower part of a mold, the collector being ejected from the tool (5) by the mandrel (4) or the like. 7. Procédé et moyens selon 1, caractérisés en ce que le collecteur (1) reçoit avant ou après sa mise en place dans l'outillage (7), un anneau de renforcement (6) disposé en appui sur la face débordante (2a) des feuilles isolantes (2), sans aucun contact ou liaison électrique avec le collecteur.7. Method and means according to 1, characterized in that the collector (1) receives before or after its installation in the tool (7), a reinforcement ring (6) placed in abutment on the projecting face (2a) insulating sheets (2), without any contact or electrical connection with the collector.
EP81420069A 1980-05-09 1981-05-07 Method for manufacturing end commutators in electric motors Expired EP0040163B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8011151 1980-05-09
FR8011151A FR2482375A1 (en) 1980-05-09 1980-05-09 METHOD AND MEANS FOR MANUFACTURING FRONT COLLECTORS OF ELECTRIC MOTORS

Publications (2)

Publication Number Publication Date
EP0040163A1 true EP0040163A1 (en) 1981-11-18
EP0040163B1 EP0040163B1 (en) 1985-02-13

Family

ID=9242118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81420069A Expired EP0040163B1 (en) 1980-05-09 1981-05-07 Method for manufacturing end commutators in electric motors

Country Status (8)

Country Link
US (1) US4439913A (en)
EP (1) EP0040163B1 (en)
JP (1) JPS573556A (en)
CA (1) CA1171254A (en)
DE (2) DE40163T1 (en)
ES (1) ES502070A0 (en)
FR (1) FR2482375A1 (en)
SU (1) SU1168105A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU594022B2 (en) * 1984-07-24 1990-03-01 Rudolf Hanselmann Commutator reinforcement system

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
US4663834A (en) * 1982-12-29 1987-05-12 General Electric Company Method for making inverted molded commutators
IT1169133B (en) * 1983-11-23 1987-05-27 Honeywell Inf Systems ARMATURE GROUP FOR MOSAIC PRINTER HEAD AND RELATED PRODUCTION METHOD
US5491373A (en) * 1994-09-07 1996-02-13 The Morgan Crucible Company Plc Commutators
US6652360B2 (en) * 2001-05-24 2003-11-25 Cutsforth Products, Inc. Method and apparatus for creating a groove in a collector ring of an electrical device
US8424187B2 (en) 2005-04-22 2013-04-23 Infranor Holding Sa Method of terminating the stator winding of an electric motor
DE102005028791A1 (en) * 2005-06-16 2006-12-28 Kautt & Bux Gmbh Plan commutator and method for producing a flat commutator
CN101488636B (en) * 2009-02-19 2010-09-29 宁波华瑞电器有限公司 Commutator production process
CN101488635B (en) * 2009-02-19 2010-10-20 宁波华瑞电器有限公司 Commutator production process
US10537863B2 (en) 2015-12-31 2020-01-21 United States Gypsum Company Constrictor valve with webbing, cementitious slurry mixing and dispensing assembly, and method for making cementitious product
CN113783065A (en) * 2021-09-01 2021-12-10 梁瑜 Automatic insert machine of commutator
CN117013337B (en) * 2023-05-22 2024-03-22 中核检修有限公司 Motor commutator detects equipment

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FR458088A (en) * 1912-05-21 1913-10-02 The United States Light & Heating Company Improvements to switches
DE381719C (en) * 1920-04-24 1923-09-24 Toledo Standard Commutator Com Commuter with metallic carrying case for electrical machines
US2202820A (en) * 1933-08-22 1940-06-04 Owens Corning Fiberglass Corp Commutator
GB693914A (en) * 1949-04-15 1953-07-08 Mach Electrostatiques Sa Des Improvements in or relating to commutators for electrical machines
FR2171540A6 (en) * 1972-02-04 1973-09-21 Sitem

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US3293694A (en) * 1962-03-05 1966-12-27 Dayton Prec Corp Mold apparatus for making subflush commutators
GB1446595A (en) * 1973-01-25 1976-08-18 Lucas Electrical Ltd Method of manufacturing face commutators for dynamo electric machines

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Publication number Priority date Publication date Assignee Title
FR458088A (en) * 1912-05-21 1913-10-02 The United States Light & Heating Company Improvements to switches
DE381719C (en) * 1920-04-24 1923-09-24 Toledo Standard Commutator Com Commuter with metallic carrying case for electrical machines
US2202820A (en) * 1933-08-22 1940-06-04 Owens Corning Fiberglass Corp Commutator
GB693914A (en) * 1949-04-15 1953-07-08 Mach Electrostatiques Sa Des Improvements in or relating to commutators for electrical machines
FR2171540A6 (en) * 1972-02-04 1973-09-21 Sitem

Cited By (1)

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Publication number Priority date Publication date Assignee Title
AU594022B2 (en) * 1984-07-24 1990-03-01 Rudolf Hanselmann Commutator reinforcement system

Also Published As

Publication number Publication date
DE40163T1 (en) 1983-03-17
JPS573556A (en) 1982-01-09
SU1168105A3 (en) 1985-07-15
DE3168867D1 (en) 1985-03-28
US4439913A (en) 1984-04-03
JPH0350498B2 (en) 1991-08-01
ES8203168A1 (en) 1982-02-16
CA1171254A (en) 1984-07-24
FR2482375A1 (en) 1981-11-13
FR2482375B1 (en) 1983-04-29
EP0040163B1 (en) 1985-02-13
ES502070A0 (en) 1982-02-16

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