EP0000372B1 - Verfahren zur Herstellung eines Wälzlagerkäfigs - Google Patents

Verfahren zur Herstellung eines Wälzlagerkäfigs Download PDF

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Publication number
EP0000372B1
EP0000372B1 EP78100310A EP78100310A EP0000372B1 EP 0000372 B1 EP0000372 B1 EP 0000372B1 EP 78100310 A EP78100310 A EP 78100310A EP 78100310 A EP78100310 A EP 78100310A EP 0000372 B1 EP0000372 B1 EP 0000372B1
Authority
EP
European Patent Office
Prior art keywords
cage
pockets
locating
manufacturing
adjacent
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
Application number
EP78100310A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0000372A1 (de
Inventor
Heinrich Dr. Kunkel
Armin Olschewski
Manfred Brandenstein
Rainer Schürger
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.)
SKF GmbH
Original Assignee
SKF Kugellagerfabriken 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 SKF Kugellagerfabriken GmbH filed Critical SKF Kugellagerfabriken GmbH
Publication of EP0000372A1 publication Critical patent/EP0000372A1/de
Application granted granted Critical
Publication of EP0000372B1 publication Critical patent/EP0000372B1/de
Expired legal-status Critical Current

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or bearings
    • F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
    • F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
    • F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages

Definitions

  • the invention relates to a method for producing a rolling bearing cage with pockets for receiving the rolling elements, in which these are held by retaining projections which are integrally formed on the cage and which give in elastically when they are inserted.
  • a roller bearing cage with pockets for receiving the roller bodies is already known, in which the roller bodies are held by retaining projections molded onto the cage and elastically yielding when they are inserted.
  • projections are provided which are worked out of the cage material itself and which extend from the basic body of the cage between two adjacent holding projections.
  • DE-A 1952107 also describes a similar cage, in which an incision is formed in each case by the holding projections of two adjacent cage pockets.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, solves the problem of creating a method for producing a rolling bearing cage of the type described above, in which the rolling elements are easily inserted into the cage pockets, but can only be removed again with great difficulty.
  • the main disadvantage of this method of manufacture is that the rolling elements have to be held and aligned by special devices when the holding projections are formed.
  • the holding and alignment of the rolling elements is effected by the holding projections known per se, which yield elastically when the rolling elements are inserted, whereas the subsequently shaped projections have the purpose of preventing the resilient opening of the elastic holding projections.
  • the snap cage 1 shown in Fig. 1 is made of plastic and has hollow spherical pockets 2 for receiving the balls 3, which are provided with retaining projections 4 at the open ends.
  • the holding projections 4 are designed to be elastic, so that the cage 12 can be snapped onto the balls 3 without difficulty. So that the cage 1 does not jump out of the bearing even under unfavorable loads, molded projections 5 are provided between the holding projections 4 of two adjacent cage pockets 2, which are provided with an upset head part 6 after the cage 1 has been snapped onto the balls 3 with the edge 7 on the outside against the holding projections 4.
  • the holding projections 4 are fixed in their position and falling out of the cage 1 from the bearing is reliably avoided. It is expedient not to deform the head part 6 until it rests on the holding projections 4 so that the balls 3 cannot be clamped in the cage pockets 2 when the head part 6 is compressed.
  • each holding projection 9 is deformed by ultrasound after the insertion of the cylindrical rollers 11 into the cage pockets, so that they are with their Free ends up to close to the holding projections 9 or rest on the outside of the holding projections 9 and support them.
  • the snap cage 12 starting from the end faces at the web ends, is provided with axially extending incisions 13 which separate the holding projections 14 from one another.
  • the web ends become support projections 15 molded out and bent so that a game remains between their free ends or they abut with their free ends and support the retaining projections 14. So that the cage 12 becomes more elastic, it is also advantageous to provide recesses 16 starting from the cage back, which can also be closed again by suitable measures after the cage 12 has been installed.
  • the cage 17 according to FIG. 5 shows an embodiment which is particularly suitable for snap cages made of glass fiber reinforced plastic.
  • the cage webs are provided with particularly deep incisions 18, so that the holding projections 19 of the cage, which is made of a relatively hard plastic material, can spring out elastically when snapped onto the balls 3.
  • a supporting projection 20 is formed in each case, which, after the cage 17 has been installed, is bent by ultrasound into the corresponding incision 18 until there is only a slight play between the ends of two adjacent supporting projections 20 or until their ends 21 abut each other. In this way, the holding projections 19 are prevented from moving in the circumferential direction and the cage is held securely in the bearing.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
EP78100310A 1977-07-13 1978-07-06 Verfahren zur Herstellung eines Wälzlagerkäfigs Expired EP0000372B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2731584 1977-07-13
DE19772731584 DE2731584A1 (de) 1977-07-13 1977-07-13 Waelzlagerkaefig

Publications (2)

Publication Number Publication Date
EP0000372A1 EP0000372A1 (de) 1979-01-24
EP0000372B1 true EP0000372B1 (de) 1981-01-07

Family

ID=6013800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100310A Expired EP0000372B1 (de) 1977-07-13 1978-07-06 Verfahren zur Herstellung eines Wälzlagerkäfigs

Country Status (3)

Country Link
US (1) US4278307A (enrdf_load_stackoverflow)
EP (1) EP0000372B1 (enrdf_load_stackoverflow)
DE (1) DE2731584A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526626A1 (de) * 1985-07-25 1987-01-29 Skf Gmbh Kaefig fuer waelzlager

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324444A (en) * 1980-08-11 1982-04-13 Trw Inc. Snap-in bearing retainer and bearing
US4420195A (en) * 1981-09-18 1983-12-13 General Motors Corporation Ball bearing retainer
GB2156912B (en) * 1984-04-04 1987-09-03 Skf Svenska Kullagerfab Ab Cage for bearings
FR2589389B1 (fr) * 1985-10-31 1988-01-15 Slym Procede et outillage de fabrication par moulage de cages pour roulements a billes
AT387826B (de) * 1986-07-24 1989-03-28 Camillo Krejci Kugellagerkaefig
JPH0285013U (enrdf_load_stackoverflow) * 1988-12-20 1990-07-03
FR2645926B1 (fr) * 1989-04-18 1991-06-07 Roulements Soc Nouvelle Cage auto-ajustable pour roulement a billes
US4938613A (en) * 1989-07-24 1990-07-03 General Motors Corporation Moldable plastic bearing ball retainer
US5074679A (en) * 1990-12-20 1991-12-24 The Torrington Company Ball bearing retainer
US5352047A (en) * 1992-07-13 1994-10-04 Rexnord Corporation Snap-tab roller bearing case
NL9301602A (nl) * 1993-09-16 1995-04-18 Skf Ind Trading & Dev Werkwijze voor de vervaardiging van een kooi voor een wentellager, een werkwijze voor de vervaardiging van een wentellager met een dergelijke kooi, alsmede een van een dergelijke kooi voorzien wentellager.
DE19604681A1 (de) * 1996-02-09 1997-08-14 Skf Gmbh Kammkäfig für Wälzlager, insbesondere für Zylinderrollenlager
FR2818709B1 (fr) * 2000-12-27 2003-04-04 Sarma Cage de roulement, roulement a billes comportant une telle cage et procede d'assemblage d'un tel roulement
GB2400146B (en) * 2003-03-31 2005-03-02 Minebea Co Ltd A method of swaging a spherical bearing
DE102007003996A1 (de) * 2007-01-26 2008-07-31 Schaeffler Kg Radialwälzlager, insbesondere einreihiges Rillenwälzlager
DE112008000830T5 (de) * 2007-04-04 2010-02-18 Ntn Corporation Radlager und Radlagervorrichtung mit dem Radlager
DE102008025502A1 (de) * 2008-05-28 2009-12-03 Ab Skf Getriebelager-Montageeinheit und Getriebelager
FR3001510B1 (fr) * 2013-01-25 2016-07-01 Skf Ab Cage pour roulement, notamment pour le roulement de direction electrique de vehicule automobile
DE102014201442A1 (de) * 2014-01-28 2015-07-30 Schaeffler Technologies AG & Co. KG Kugelschnappkäfig
DE102014206240A1 (de) 2014-04-02 2015-10-08 Schaeffler Technologies AG & Co. KG Lagerkäfig
US10001169B2 (en) * 2016-10-25 2018-06-19 Schaeffler Technologies AG & Co. KG Prong type cage for a double row roller bearing assembly
KR101973943B1 (ko) 2017-05-23 2019-05-02 한국과학기술연구원 볼 베어링
CN111894987B (zh) * 2020-07-31 2022-06-24 中车大连机车研究所有限公司 一种改进兜孔结构的滚动轴承保持架及滚动轴承
JP2023037319A (ja) * 2021-09-03 2023-03-15 Ntn株式会社 軸受装置用保持器およびそれを備える車輪用軸受装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1318092A (en) * 1919-10-07 Cage with locking space-bars
GB386236A (en) * 1932-02-01 1933-01-12 Hoffmann Mfg Co Ltd Improvements in cages for ball bearings
US2146440A (en) * 1937-04-07 1939-02-07 Hoover Ball & Bearing Co Bearing retainer and method of making same
DE1001062B (de) * 1954-05-15 1957-01-17 Schaeffler Ohg Industriewerk Kaefig fuer Nadellager
DE1952107A1 (de) * 1969-10-16 1971-04-29 Star Kugelhalter Gmbh Dt Kunststoffkaefig fuer Radialkugellager
GB1370890A (en) * 1970-11-20 1974-10-16 Skf Uk Ltd Cages for ball-bearings
DE2337915A1 (de) * 1973-07-26 1975-02-13 Robert Kling Wetzlar Gmbh Waelzlagerkaefig
GB1556378A (en) * 1976-10-27 1979-11-21 Skf Uk Ltd Bearing cages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526626A1 (de) * 1985-07-25 1987-01-29 Skf Gmbh Kaefig fuer waelzlager

Also Published As

Publication number Publication date
DE2731584C2 (enrdf_load_stackoverflow) 1987-10-15
DE2731584A1 (de) 1979-01-25
US4278307A (en) 1981-07-14
EP0000372A1 (de) 1979-01-24

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