EP0924816A1 - Objet fait de matériau de carbone et procédure pour son imprégnation - Google Patents

Objet fait de matériau de carbone et procédure pour son imprégnation Download PDF

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Publication number
EP0924816A1
EP0924816A1 EP98123691A EP98123691A EP0924816A1 EP 0924816 A1 EP0924816 A1 EP 0924816A1 EP 98123691 A EP98123691 A EP 98123691A EP 98123691 A EP98123691 A EP 98123691A EP 0924816 A1 EP0924816 A1 EP 0924816A1
Authority
EP
European Patent Office
Prior art keywords
impregnated
carbon brush
area
sliding surface
carbon
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
EP98123691A
Other languages
German (de)
English (en)
Other versions
EP0924816B1 (fr
Inventor
Michael Dipl.-Ing. Weik
Roland Anwander
Gerhard Dipl.-Ing. Mietz
Reiner Dipl.-Ing. Koch
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.)
Schunk Kohlenstofftechnik GmbH
Original Assignee
Schunk Kohlenstofftechnik GmbH
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 Schunk Kohlenstofftechnik GmbH filed Critical Schunk Kohlenstofftechnik GmbH
Publication of EP0924816A1 publication Critical patent/EP0924816A1/fr
Application granted granted Critical
Publication of EP0924816B1 publication Critical patent/EP0924816B1/fr
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
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/20—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof
    • H01R39/22—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof incorporating lubricating or polishing ingredient
    • 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
    • H01R43/12—Manufacture of brushes

Definitions

  • the invention relates to an article made of carbon material with a Sliding surface, especially carbon brush, the object with an impregnating agent is impregnated.
  • the invention relates to a method for impregnating a Article made of carbon material with a sliding surface, in particular carbon brush.
  • Sliders and contact pieces can be made of carbon, e.g. As coke or carbon black, natural or artificial graphite, mixtures of these substances, binders, if necessary, also with metallic additives and solid lubricants, such as. B. MoS 2 and alkaline earth compounds manufactured Verden.
  • Contact pieces or carbon brushes are used in particular for dynamoelectric machines.
  • brushes are provided with an impregnating agent, which reduces wear and friction values and improves the commutation capability.
  • impregnating agent are fats, waxes, stearates, paraffins, natural and artificial resins (US 949,988).
  • Modified siloxanes such as these, have also proven themselves as impregnating agents can be seen from DE 43 30 547 A1.
  • a wire mesh carbon brush can be found in US Pat. No. 1,568,774 a corner is impregnated with a solder. According to GB 556,465, a carbon brush is used built up in layers so that the sliding surface has a lower electrical Has more resistance than the rest of the carbon brush.
  • From DE-AS 1 284 017 is a carbon brush made of graphite with a side surface known, on which a layer is applied with a lubricant. This layer runs parallel to the longitudinal axis of the carbon brush and only comes into peripheral contact with one, collector. Alternatively, there is the option of brushing throughout Distribute particles of a lubricating compound.
  • the present invention is based on the object of type mentioned above or a method for impregnating such a further that optimal running-in behavior as well as noise and radio interference suppression behavior are guaranteed, while at the same time there should be the possibility of the objects to apply on an adhesive carrier.
  • the problem is caused by an article made of carbon material with a sliding surface solved by impregnating the object in a first area and in a second area is impregnated.
  • the subject is within its scope Impregnated sliding surface as the first area.
  • the second unpregnated area should run away from the first area so that the object is easy can be applied to a carrier having an adhesive, such as a belt, so that simple and safe feeding to fully automatic processing or Assembly lines is possible.
  • the invention is characterized in that the object is in shape a carbon brush is impregnated from its tread.
  • the Tread be impregnated in particular by tamponing.
  • the method for impregnating an object that characterizes the invention This distinguishes carbon with a sliding surface, in particular a carbon brush that the object is only impregnated in certain areas. It is provided that the object is impregnated from the contact surface, the area of the object remote from the contact surface remains impregnated.
  • the article is padded for partial impregnation.
  • an absorbent element such as a tampon is inserted into a predetermined one Submersed amount of impregnating agent, then out the template is removed and then pressed onto the sliding surface.
  • Partial impregnation by spraying, dipping, rolling, brushing, laminating, Evaporation is also possible.
  • the contact surface of the object in particular highly viscous impregnating agent such as wax applied and then the object is heated to penetrate the impregnating agent.
  • the invention is distinguished from the method of partial impregnation through an on-line procedure to the extent that the object during or immediately after processing such.
  • Partial impregnation should be carried out in such a way that the object is at least 1 %, maximum 95%, preferably in the range of 30%, in particular maximum 10% is impregnated, the partial impregnation of the contact surface such as the tread should run out.
  • the teaching according to the invention does not entire carbon brush largely evenly distributed, for example 0.1 to 25 % By weight impregnating agent (GB 15 91 349), but only a part by volume Carbon brush, preferably in the area in which the carbon brush is located slidably supported.
  • a device 10 for tamponing a carbon brush 12 is purely in principle shown.
  • the device 10 comprises a stamp which is axially displaceable 14 outgoing tampon 16, which is immersed in a template 18.
  • template 18 there is a portioned amount of impregnating agent that is removed from the tampon 16 when immersed in the template 18 is included.
  • the stamp 14 with the tampon 16 extends from a slide 20 to a horizontal one Move (double arrow 22) so that the tampon 16 after Removal from the template 18 onto the carbon brush 12 or its contact running surface 24 can be aligned and then pressed onto it (movement according to double arrow 26). During the retraction of the tampon 16 and immersion in the template 18 will then another carbon brush in the position of the carbon brush 12 shown moved to be padded and thus partially impregnated.
  • the carbon brush 12 is from their tread 24 partially impregnated starting.
  • the carbon brush is preferably 12 in Impregnated with respect to their height H 1/10 to approximately H 1/20, as the hatching in Fig. 2 should clarify.
  • the carbon brush 12 is accordingly located in its area 30 remote from the contact surface 24 not impregnated, so easy application to an adhesive having belt is possible to a desired number of carbon brushes transport and take to an installation site. There the carbon brushes can be installed fully automatically.
EP98123691A 1997-12-17 1998-12-12 Objet fait de matériau de carbone et procédure pour son imprégnation Expired - Lifetime EP0924816B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19756136A DE19756136A1 (de) 1997-12-17 1997-12-17 Gegenstand aus Kohlenstoffmaterial sowie ein Verfahren zum Imprägnieren eines solchen
DE19756136 1997-12-17

Publications (2)

Publication Number Publication Date
EP0924816A1 true EP0924816A1 (fr) 1999-06-23
EP0924816B1 EP0924816B1 (fr) 2006-03-08

Family

ID=7852274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123691A Expired - Lifetime EP0924816B1 (fr) 1997-12-17 1998-12-12 Objet fait de matériau de carbone et procédure pour son imprégnation

Country Status (4)

Country Link
EP (1) EP0924816B1 (fr)
AT (1) ATE320096T1 (fr)
DE (2) DE19756136A1 (fr)
ES (1) ES2257792T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1398854A1 (fr) * 2002-09-06 2004-03-17 Deutsche Carbone Ag Balai de charbon pour une machine électrique et procédé de fabrication de balais de charbon

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2066176A (en) * 1935-09-27 1936-12-29 Gen Electric Commutating brush
GB601377A (en) * 1943-02-08 1948-05-05 Westinghouse Electric Int Co Improved method of treating carbon or graphitised carbon bodies
FR2093513A5 (fr) * 1970-05-23 1972-01-28 Carbone Ag
US4557195A (en) * 1983-09-29 1985-12-10 Philipp Wilfried Pad-type printing machine and plate inking assembly therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US556465A (en) * 1896-03-17 Gas-governor
US949988A (en) * 1904-12-02 1910-02-22 Gen Electric Treated carbon and the method of producing it.
US1568774A (en) * 1923-05-17 1926-01-05 Sparks Withington Co Brush
US3300667A (en) * 1963-11-04 1967-01-24 Westinghouse Electric Corp Electrically conductive solid lubricant members and process and apparatus employing them

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2066176A (en) * 1935-09-27 1936-12-29 Gen Electric Commutating brush
GB601377A (en) * 1943-02-08 1948-05-05 Westinghouse Electric Int Co Improved method of treating carbon or graphitised carbon bodies
FR2093513A5 (fr) * 1970-05-23 1972-01-28 Carbone Ag
US4557195A (en) * 1983-09-29 1985-12-10 Philipp Wilfried Pad-type printing machine and plate inking assembly therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1398854A1 (fr) * 2002-09-06 2004-03-17 Deutsche Carbone Ag Balai de charbon pour une machine électrique et procédé de fabrication de balais de charbon

Also Published As

Publication number Publication date
ES2257792T3 (es) 2006-08-01
DE19756136A1 (de) 1999-07-01
EP0924816B1 (fr) 2006-03-08
DE59813427D1 (de) 2006-05-04
ATE320096T1 (de) 2006-03-15

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