WO2009000251A1 - Cage de roulement et bague de roulement à aimantation permanente, utilisées pour réduire le nombres de particules dans l'espace de roulement d'un palier à roulement - Google Patents

Cage de roulement et bague de roulement à aimantation permanente, utilisées pour réduire le nombres de particules dans l'espace de roulement d'un palier à roulement Download PDF

Info

Publication number
WO2009000251A1
WO2009000251A1 PCT/DE2008/001037 DE2008001037W WO2009000251A1 WO 2009000251 A1 WO2009000251 A1 WO 2009000251A1 DE 2008001037 W DE2008001037 W DE 2008001037W WO 2009000251 A1 WO2009000251 A1 WO 2009000251A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
cage
rolling
particles
ring
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.)
Ceased
Application number
PCT/DE2008/001037
Other languages
German (de)
English (en)
Inventor
Michael Pausch
Oliver Schmidt
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.)
IHO Holding GmbH and Co KG
Original Assignee
Schaeffler 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 Schaeffler KG filed Critical Schaeffler KG
Publication of WO2009000251A1 publication Critical patent/WO2009000251A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • F16C33/42—Ball cages made from wire or sheet metal strips
    • F16C33/422—Ball cages made from wire or sheet metal strips made from sheet metal
    • F16C33/427—Ball cages made from wire or sheet metal strips made from sheet metal from two parts, e.g. ribbon cages with two corrugated annular parts
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • 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
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances

Definitions

  • the invention relates to a use of a bearing cage or a bearing ring and a bearing cage and a rolling bearing.
  • DE 694 08 410 T2 describes a rolling bearing with an inner ring, an outer ring and rolling elements, which are held in a bearing cage in a storage space defined between the bearing rings, wherein in the storage space of the rolling bearing, a porous matrix is arranged, which in a rotation of the the matrix bearing bearing element releases oil.
  • the matrix may include ferromagnetic particles intended to trap and accommodate ferromagnetic particles in the storage space.
  • the disadvantage is that an additional space in the storage room is to be provided for the matrix, which runs counter to the requirement for a small construction of rolling bearings. Furthermore, there is a risk that not all particles can be absorbed into the matrix and further that parts of the matrix dissolve or that the ferromagnetic particles of the matrix emerge from this and in turn represent particles in the bearing space of the rolling bearing, which reduces its functionality. Zen.
  • bearing cages or bearing rings that have a permanent magnetization in sections When using bearing cages or bearing rings that have a permanent magnetization in sections, the particles in the storage space are attracted and held in the region of the permanent magnetization. The lubricating medium of the rolling bearing is thus cleaned of such particles having ferromagnetic properties.
  • the known magnetization of bearing rings or bearing cages can therefore be exploited in addition to the signal generation for magnetic sensors and to reduce the number of particles in the storage room, so that the functionality of the rolling bearing improves and in particular increases its life.
  • magnetization which has a race or a cage to serve as a signal generator for a magnetic ABS or speed sensor, sufficient to significantly reduce the number of particles in the storage room. It has also been shown that a lower magnetization is also sufficient to reduce the number of particles in the storage room, but not more to use the bearing cage or the bearing ring as a signal generator for the magnetic sensor can.
  • the use of magnetized bearing rings or magnetized race cages thus opens up a new application possibility for only slightly magnetized bearing rings or race cages.
  • magnetized bearing cages or magnetized bearing rings which have a substantially rotationally symmetrical magnetic field, are suitable for reducing the particles in the bearing space of the rolling bearing, but as a signal generator for ABS and rotary bearings. excrete sensors.
  • a new application is shown for such magnetic bearing rings or cages.
  • a bearing cage that a body of the bearing cage webs between receiving for the rolling elements, and wherein the webs forming pockets between the receptacles, so that the retained particles can be accumulated in the pockets and in particular spaced from one for the Function of the rolling bearing critical area, namely the running surface of the rolling elements on the bearing rings, can be maintained.
  • the bearing cage with webs provided that the permanent magnetization is formed substantially in the region of the webs, whereby the particles can be pulled away from the running surfaces of the bearing.
  • an inhomogeneous, selectively concentrated on the region of the webs magnetization forms, which has a high gradient to the webs and can very effectively draw particles from the entire storage room to the webs.
  • the permanent magnetization is formed by at least one magnetic element, which is fixed to the body of the bearing cage.
  • the at least one magnetic element represents a highly selectively concentrated magnetic field with a high gradient.
  • the permanent magnetization is preferably associated with the bearing cage to the relative movement of the bearing cage to the two bearing rings and the seal for a uniform as possible cleaning To be able to exploit lubricant.
  • the permanent magnetization of a bearing ring can be exploited.
  • the magnetic field passes directly over the running surface of the rolling elements on the bearing ring, so that the magnetic field in the region of the running surface of the rolling elements is inhomogeneous.
  • Such an arrangement may, for example, preferably provide that adjacent to the tread a pocket is provided in which the particles are deposited. It is particularly preferred if the permanent magnetization is formed as a magnetic element in the pocket.
  • Fig. 1 shows a plan view of an exemplary use of a
  • Fig. 2 shows a sectional view of the rolling bearing of FIG. 1 along the
  • FIG. 3 shows an enlargement of the section 'A' from FIG. 2. Detailed description of the drawing
  • Fig. 1, Fig. 2 and Fig. 3 show a rolling bearing 1, comprising as bearing rings an inner ring 2 and an outer ring 3 and substantially spherical rolling elements 4, which are mounted in a bearing cage 5, a body 6 for the bearing cage 5 with Receivers 7 for the rolling elements 4.
  • the body 6 of the bearing cage 5 webs 8, which are arranged between adjacent seats 7 and represent a substantially flat area.
  • the bearing cage 5 has an inhomogeneous, d. H. non-rotationally symmetric magnetization.
  • magnetic elements 9 are mounted on the flat webs 8 in the region of the webs 8, wherein only one magnetic element 9 is shown in the illustrations.
  • the magnetic element 9 is a plate-shaped permanent magnet of a neodymium-iron-boron (NdFeB) compound of only a few mm dimension, which is fixed by means of an adhesive on the web 8.
  • this points to a seal, not shown, of the rolling bearing 1 in the direction of the outer ring 3, such that a portion of the magnetic field of the magnetic element 9 lies on the inner surface 10 of the outer ring 3, pictorially not shown running surface of the rolling elements 4 sweeps.
  • the magnetic element 9 is mounted on an outwardly facing surface 11 of one of the webs 8 (FIG. 3).
  • the bearing cage 5 performs a relative movement relative to the inner ring 2 as well as to the outer ring 3.
  • the bearing cage 5 also performs a relative movement with respect to the
  • the lubricant which is initially evenly distributed in the interior of the roller bearing 1, is increasingly in the region of the seal, where it has a tough, almost solid consistency. This accumulated in the area of the seal, there almost immobile accumulated lubricant can only be cleaned consuming and unreliable of ferromagnetic particles, if only the area of the seal, the magnetization is carried out.
  • the magnetization formed in the region of the running cage 5 therefore offers the advantage of being constantly guided past the seal during operation of the rolling bearing 1 and of being able to collect there the ferromagnetic particles accumulated in the lubricant located there.
  • a region of the magnetic field of the magnetic element 9 located on the inwardly facing side 10 of the outer ring 3 substantially aligned with the running surfaces of the rolling elements 4 on the inwardly facing side of the outer ring 3, a region of the magnetic field of the magnetic element 9, so that there arises a gradient of the magnetic field, the on a force in the region of the gradient of the magnetic field ferromagnetic particles in the direction of the magnetic EIe- mentes 9 exerts.
  • a further magnetic element may be provided, which is arranged on an inwardly facing surface 12 of the web 8 and one pole of the running surface of the rolling elements 4 on an outwardly facing surface thirteenth (Fig. 3) of the inner ring 2 in sections sweeps. In this way, shielding effects by the metallic web 8, which could affect the effectiveness of only one surface of the web 8 attached metallic element 9, reduce.
  • magnetic element could be rod-shaped and can be accommodated in a bore of the web 8 such that one pole of the magnetic element faces the inner ring 2 and the other pole of the magnetic element faces the outer ring 3. It also goes without saying that magnetic elements 9 can be provided not only on one of the webs 8 but on several or all webs.
  • a magnetic element 9 which is initially structurally separated from the bearing cage 5 and later attached to the bearing cage 5, it may be provided to achieve a partial permanent magnetization of the bearing cage 5 by a corresponding material processing of the body 6 of the bearing cage 5, for example by a Material processing in which the structure of the body 6 changes locally and as a result, the bearing cage 5 is partially magnetic.
  • material processing could for example consist of a local melting of the body 6, followed by a defined cooling, for example in the presence of an external magnetic field, which is partially frozen in the molten area, or with the addition of magnetic particles, which in the previously fused area - be stored.
  • the magnetic element 9 was arranged on the bearing cage 5.
  • a magnetic element 9 can also be arranged on one of the bearing rings, the inner ring 2 and / or the outer ring 3.
  • a magnetic element should preferably be arranged on the inner ring 2 and the outer ring 3, since otherwise it may take a comparatively long time for the ferromagnetic particle to be conveyed from one ring to the other ring with the lubricant before it is applied to the magnetic Element is held.
  • a section of the respective ring 2, 3 can be given a section-wise magnetization by suitable material treatment.
  • the bearing cage 5 was designed as a steel sheet cage with webs 8. It is understood that the invention also relates to sheet steel cages without webs and snap cages, especially snap cages made of plastic.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne une cage de roulement (5) pour palier à roulement (1), ainsi qu'un palier à roulement (1). L'invention vise à mettre au point une solution simple pour supprimer le mieux possible l'effet indésirable de particules se trouvant dans l'espace de roulement d'un palier à roulement. A cet effet, il est prévu pour ladite cage de roulement et ledit palier à roulement (1), qu'un corpus (6) de la cage de roulement (5) comporte une aimantation permanente, se présentant au moins sous forme d'élément magnétique (9), fixé sur le corpus. L'invention concerne également une utilisation de la cage de roulement (5) et de la bague de roulement (1) pour réduire le nombre de particules présentes dans un espace de roulement de palier à roulement (1).
PCT/DE2008/001037 2007-06-26 2008-06-21 Cage de roulement et bague de roulement à aimantation permanente, utilisées pour réduire le nombres de particules dans l'espace de roulement d'un palier à roulement Ceased WO2009000251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007029511A DE102007029511A1 (de) 2007-06-26 2007-06-26 Verwendung eines Lagerkäfigs bzw. eines Lagerrings
DE102007029511.3 2007-06-26

Publications (1)

Publication Number Publication Date
WO2009000251A1 true WO2009000251A1 (fr) 2008-12-31

Family

ID=39744911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/001037 Ceased WO2009000251A1 (fr) 2007-06-26 2008-06-21 Cage de roulement et bague de roulement à aimantation permanente, utilisées pour réduire le nombres de particules dans l'espace de roulement d'un palier à roulement

Country Status (2)

Country Link
DE (1) DE102007029511A1 (fr)
WO (1) WO2009000251A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017174832A1 (fr) * 2016-04-06 2017-10-12 Laulagun Bearings, S,L Dispositif de décontamination pour l'élimination des particules ferromagnétiques dans les roulements et procédé de décontamination

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011016049B4 (de) * 2011-03-25 2021-12-30 Imo Holding Gmbh Drehverbindung(en)und Wälzlager mit magnetischen oder magnetisierten Beabstandungskomponenten
FR2988149B1 (fr) * 2012-03-15 2014-12-26 Ntn Snr Roulements Unite de roulement comprenant des moyens de filtration magnetique.
DE102014213879A1 (de) * 2014-07-16 2016-01-21 Aktiebolaget Skf Lager

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935359C (de) * 1953-09-27 1955-11-17 Wolfgang Roehrs Dr Ing Kugellaufkranz, insbesondere fuer Bagger, Absetzer, Abraumfoerderbruecken u. dgl.
EP0395783A1 (fr) * 1989-05-05 1990-11-07 Gmn Georg Müller Nürnberg Ag Palier à capteur pour mesurer la vitesse de rotation et/ou l'angle de rotation
EP0654613A1 (fr) * 1993-11-22 1995-05-24 SKF Industrial Trading & Development Company, B.V. Roulement à billes avec réservoir poreux à huile
JPH11173339A (ja) * 1997-12-09 1999-06-29 Toyota Autom Loom Works Ltd 軸受装置
DE19824668A1 (de) * 1998-06-03 1999-12-09 Fag Oem & Handel Ag Wälzlagerkäfig
EP1536239A2 (fr) * 2003-11-28 2005-06-01 Fuji Jukogyo Kabushiki Kaisha Structure de codeur de rotation
JP2005226794A (ja) * 2004-02-16 2005-08-25 Nsk Ltd 転がり軸受装置
EP1653079A2 (fr) * 2004-10-29 2006-05-03 Ab Skf Eolienne
GB2382142B (en) * 2001-11-16 2006-05-17 Nsk Europ Technology Co Ltd Wheel bearing assemblies incorporating sensing arrangements
JP2008075830A (ja) * 2006-09-25 2008-04-03 Jtekt Corp 樹脂製の転がり軸受用保持器

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935359C (de) * 1953-09-27 1955-11-17 Wolfgang Roehrs Dr Ing Kugellaufkranz, insbesondere fuer Bagger, Absetzer, Abraumfoerderbruecken u. dgl.
EP0395783A1 (fr) * 1989-05-05 1990-11-07 Gmn Georg Müller Nürnberg Ag Palier à capteur pour mesurer la vitesse de rotation et/ou l'angle de rotation
EP0654613A1 (fr) * 1993-11-22 1995-05-24 SKF Industrial Trading & Development Company, B.V. Roulement à billes avec réservoir poreux à huile
JPH11173339A (ja) * 1997-12-09 1999-06-29 Toyota Autom Loom Works Ltd 軸受装置
DE19824668A1 (de) * 1998-06-03 1999-12-09 Fag Oem & Handel Ag Wälzlagerkäfig
GB2382142B (en) * 2001-11-16 2006-05-17 Nsk Europ Technology Co Ltd Wheel bearing assemblies incorporating sensing arrangements
EP1536239A2 (fr) * 2003-11-28 2005-06-01 Fuji Jukogyo Kabushiki Kaisha Structure de codeur de rotation
JP2005226794A (ja) * 2004-02-16 2005-08-25 Nsk Ltd 転がり軸受装置
EP1653079A2 (fr) * 2004-10-29 2006-05-03 Ab Skf Eolienne
JP2008075830A (ja) * 2006-09-25 2008-04-03 Jtekt Corp 樹脂製の転がり軸受用保持器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017174832A1 (fr) * 2016-04-06 2017-10-12 Laulagun Bearings, S,L Dispositif de décontamination pour l'élimination des particules ferromagnétiques dans les roulements et procédé de décontamination
ES2705440R1 (es) * 2016-04-06 2019-04-11 Laulagun Bearings S L Dispositivo para limpieza de particulas ferromagneticas de rodamientos y procedimiento de limpieza

Also Published As

Publication number Publication date
DE102007029511A1 (de) 2009-01-02

Similar Documents

Publication Publication Date Title
EP2212572B1 (fr) Roulement radial-axial
WO2019138015A1 (fr) Dispositif de freinage magnétorhéologique et procédé
DE102011004706A1 (de) Kegelrollenlager mit Käfig
DE10335415B4 (de) Wälzlager
DE102004045588B4 (de) Walzkörper-Halter und Schrägkugellageranordnung, bei welcher derselbe verwendet wird
WO2009000251A1 (fr) Cage de roulement et bague de roulement à aimantation permanente, utilisées pour réduire le nombres de particules dans l'espace de roulement d'un palier à roulement
EP2999893B1 (fr) Palier de corps de roulement avec cage
DE102012006027A1 (de) Feststoffgeschmiertes Wälzlager
DE19681377C1 (de) Radialwälzlager
DE102010000809A1 (de) Kompakte Axial-Radial-Lagerung
DE102008063959A1 (de) Wälzkörperkäfig mit Abstandhalter
DE102015219706A1 (de) Großwälzlager
DE102018115766A1 (de) Wälzlagerkäfig
DE102014209235A1 (de) Wälzlager und Verfahren zum Betrieb eines Wälzlagers
DE102010046016A1 (de) Toroidal-Rollenlager
DE102015201251A1 (de) Gleitlageranordnung für eine mit einer umlaufenden Radialkraft belasteten Welle
DE3141073C2 (de) Wälzlagereinheit für angetriebene oder nichtangetriebene Räder von Fahrzeugen o.dgl.
DE102013213638A1 (de) Lageranordnung und Verfahren zur Montage einer Lageranordnung
DE1914395C3 (de) Magnetische Druckwalze als Oberwalze einer Streckwerkswalzenanordnung
DE102011016049B4 (de) Drehverbindung(en)und Wälzlager mit magnetischen oder magnetisierten Beabstandungskomponenten
DE202012005052U1 (de) Wälzlagerkäfig mit Einsätzen
DE102007040482A1 (de) Kranz für eine Lageranordnung
DE102010004801B4 (de) Dichtring
DE102013215839A1 (de) Wälzlager
DE102007003859A1 (de) Spannlager

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08784240

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 08784240

Country of ref document: EP

Kind code of ref document: A1