WO2010094403A1 - Bague coulissante frettée présentant une surface de coulissement diamantifère - Google Patents

Bague coulissante frettée présentant une surface de coulissement diamantifère Download PDF

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Publication number
WO2010094403A1
WO2010094403A1 PCT/EP2010/000704 EP2010000704W WO2010094403A1 WO 2010094403 A1 WO2010094403 A1 WO 2010094403A1 EP 2010000704 W EP2010000704 W EP 2010000704W WO 2010094403 A1 WO2010094403 A1 WO 2010094403A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
sliding
diamond
sliding surface
shrunken
Prior art date
Application number
PCT/EP2010/000704
Other languages
German (de)
English (en)
Inventor
Joachim Otschik
Rudolf Schicktanz
Jörg THELKE
Original Assignee
Eagleburgmann Germany Gmbh & Co. Kg
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 Eagleburgmann Germany Gmbh & Co. Kg filed Critical Eagleburgmann Germany Gmbh & Co. Kg
Publication of WO2010094403A1 publication Critical patent/WO2010094403A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3464—Mounting of the seal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials

Definitions

  • the present invention relates to a shrunken seal ring with a diamond-containing sliding surface.
  • Shrunken slip rings are known in the art. Such slip rings usually comprise a carrier ring (shrink ring) and a sliding ring element, on which a sliding surface is formed.
  • shrink ring carrier ring
  • sliding ring element sliding ring element
  • the shrinking pressure on the sliding ring element which arises during the shrinking operation results in distortions on the sliding surface which adversely affect the flatness of the sliding surface.
  • the sliding ring according to the invention makes it possible for the first time that the sliding ring is designed as a shrunken sliding ring with a diamond-containing sliding surface, wherein the diamond-containing sliding surface the necessary flatness for use in a Has mechanical seal.
  • the present invention has surprisingly provided a solution to the problem described above by performing a mechanical post-processing of a diamond-containing sliding surface on a sliding ring element after a shrinking operation, without adversely affecting the shrinkage connection between the carrier ring and the sliding ring element.
  • a shrunken sliding ring with a diamond-containing sliding surface with sufficient evenness can be provided.
  • the diamond-containing sliding surface is applied to the sliding ring element before the shrinking step by means of a coating method, in particular a CVD method.
  • a coating method in particular a CVD method.
  • the diamond-containing sliding surface can be applied in a particularly simple and cost-effective manner.
  • the carrier ring is made of a metallic material. This simplifies in particular the shrinking process. Further preferred is a
  • Basic body of the sliding ring element made of a ceramic material, in particular with a rectangular cross-section.
  • the ceramic material is on the one hand good for the shrinking process and on the other hand can on the ceramic
  • An inventive sliding ring is particularly preferably used in a mechanical seal assembly as a rotating and / or static seal ring.
  • Fig. 1 is a schematic sectional view of a mechanical seal assembly with a sliding ring according to the invention.
  • Fig. 2 is a schematic sectional view of a sliding ring shown in Fig. 1.
  • a Gleithngdichtungsan angel 1 is described below, which has sliding rings according to the invention.
  • the mechanical seal assembly 1 comprises a rotating seal ring 2 and a stationary seal ring 3.
  • the rotating seal ring 2 is fixed on a shaft 4 and by means of a biasing means which a
  • Spring 14 and arranged on a shaft shoulder support ring 15 comprises biased in the axial direction against the stationary seal ring 3.
  • Slide ring 3 is fixed to a housing component 5. Between the stationary seal ring 3 and the housing component 5, a first secondary seal 13 is arranged.
  • Secondary seal 12 is arranged.
  • Both the rotating seal ring 2 and the stationary seal ring 3 are provided in this embodiment as shrunken seal rings.
  • Sliding ring 3 comprises, as shown in Fig. 2 it can be seen, a support ring 9 made of a metallic material, and a sliding ring member 10, on which a radially directed, diamond-containing sliding surface 11 is arranged.
  • the sliding ring member 10 is made of a ceramic material, and the diamond-containing sliding surface 11 is applied by a CVD diamond coating method.
  • the rotating seal ring 2 also comprises a support ring 6, a
  • a shrink connection 17 is provided between the carrier ring 9 and the sliding ring element 10.
  • a shrink connection 16 is likewise formed between the carrier ring 6 and the sliding ring element 7.
  • the sliding rings according to the invention are contrary to the previous view of the prior art, the first shrunken slip rings with diamond-containing Sliding surface.
  • the sliding rings 2, 3 according to the invention are produced as follows.
  • the sliding ring elements 7, 10 are each coated with a diamond-containing coating to form the diamond-containing sliding surface 8, 11.
  • the shrinking step is then carried out, wherein the support ring 6, 9 is first heated strongly, in which the diamond-coated sliding ring element 7, 10 inserted into the support ring and formed by cooling the support ring, the shrink connection 16, 17 between the support ring and the sliding ring member becomes.
  • finishing of the diamond-containing sliding surface by means of grinding, polishing and / or lapping is carried out in a subsequent step.
  • This slip surface finish is preferably also performed with diamond-containing abrasive material.
  • the finishing of the diamond-containing sliding surface does not affect the properties of the shrink joint 16, 17 between the support ring 6, 9 and the sliding ring element 7, 10, since no high temperatures occur during the finishing in the region of the shrink joint.
  • a shrunken sliding ring with a diamond-containing sliding surface can be produced.
  • the manufacturing method according to the invention provides sufficient planarity of the diamond-containing sliding surface 8, 11.
  • the present invention thus overcomes the hitherto prevailing in the prior art prejudice that the production of shrunken slip rings with diamond-containing sliding surface is not possible.
  • the idea according to the invention of the mechanical post-processing of the diamond-containing sliding surfaces removes any distortions which may have occurred on the sliding surface during the shrinking operation, so that a diamond-containing sliding surface with sufficient evenness and thus sufficient sealing property is achieved.
  • the invention makes possible a mass production with constant quality of the diamond-containing sliding surfaces 8, 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)

Abstract

L'invention concerne une bague coulissante pour un dispositif d'étanchéité à bague coulissante, comprenant une bague de support (6, 9), un élément de bague coulissante (7, 10) présentant une surface de coulissement diamantifère (8, 11), agencée dans la direction radiale sur l'élément de bague coulissante, ainsi qu'une liaison par frettage (16, 17), formée entre la bague de support (6, 9) et l'élément de bague coulissante (7, 10) et fixant solidement la bague de support (6, 9) à l'élément de bague coulissante (7, 10).
PCT/EP2010/000704 2009-02-18 2010-02-04 Bague coulissante frettée présentant une surface de coulissement diamantifère WO2010094403A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009002290.0 2009-02-18
DE200920002290 DE202009002290U1 (de) 2009-02-18 2009-02-18 Geschrumpfter Gleitring mit diamanthaltiger Gleitfläche

Publications (1)

Publication Number Publication Date
WO2010094403A1 true WO2010094403A1 (fr) 2010-08-26

Family

ID=40577615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/000704 WO2010094403A1 (fr) 2009-02-18 2010-02-04 Bague coulissante frettée présentant une surface de coulissement diamantifère

Country Status (2)

Country Link
DE (1) DE202009002290U1 (fr)
WO (1) WO2010094403A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010054586A1 (de) * 2010-12-15 2012-06-21 Eagleburgmann Germany Gmbh & Co. Kg Gleitringdichtung mit kohlenstoffhaltiger Gleitfläche

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410094A1 (de) * 1994-03-24 1995-09-28 Guenter Schipper Gleitringdichtung mit auswechselbarem Einsatz
EP0675303A1 (fr) * 1994-03-30 1995-10-04 Cummins Engine Company, Inc. Garniture mécanique d'étanchéité pour pompe de liquide de refroidissement d'un moteur à combustion interne
US20040046322A1 (en) * 2002-08-13 2004-03-11 Berard Gerald M. Face seal assembly
WO2007001233A1 (fr) * 2005-06-27 2007-01-04 G A Gold Seal Development Ltd C/C Kpmg Peat Marwick Ensemble d’étanchéité
US20070267820A1 (en) * 2006-05-16 2007-11-22 Skf Usa Inc. Mechanical end face seal with ultrahard face material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410094A1 (de) * 1994-03-24 1995-09-28 Guenter Schipper Gleitringdichtung mit auswechselbarem Einsatz
EP0675303A1 (fr) * 1994-03-30 1995-10-04 Cummins Engine Company, Inc. Garniture mécanique d'étanchéité pour pompe de liquide de refroidissement d'un moteur à combustion interne
US20040046322A1 (en) * 2002-08-13 2004-03-11 Berard Gerald M. Face seal assembly
WO2007001233A1 (fr) * 2005-06-27 2007-01-04 G A Gold Seal Development Ltd C/C Kpmg Peat Marwick Ensemble d’étanchéité
US20070267820A1 (en) * 2006-05-16 2007-11-22 Skf Usa Inc. Mechanical end face seal with ultrahard face material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EAGLEBURGMANN: "Application Mechanical Seals 62E - DiamondFacesR - The new dimension in mechanical seal technology", September 2007 (2007-09-01), XP002586620, Retrieved from the Internet <URL:http://www.tiivistetekniikka.fi/uploads/esitteet/diamond%2062%20e.pdf> [retrieved on 20100610] *

Also Published As

Publication number Publication date
DE202009002290U1 (de) 2009-04-23

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