DE102004046595B4 - impulse ring - Google Patents
impulse ring Download PDFInfo
- Publication number
- DE102004046595B4 DE102004046595B4 DE102004046595.9A DE102004046595A DE102004046595B4 DE 102004046595 B4 DE102004046595 B4 DE 102004046595B4 DE 102004046595 A DE102004046595 A DE 102004046595A DE 102004046595 B4 DE102004046595 B4 DE 102004046595B4
- Authority
- DE
- Germany
- Prior art keywords
- wall
- basic structure
- pulse ring
- ring according
- annular
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
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- 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
- F16C33/72—Sealings
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/185—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with two raceways provided integrally on a part other than a race ring, e.g. a shaft or housing
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
Abstract
Impulsring (1; 1'; 1''), der eine Drehachse (A) hat und einen Grundaufbau (4) aus Kunststoff, ein innerhalb des Grundaufbaues (4) eingelassenes ferromagnetisches Material (5) und einen mit dem Grundaufbau (4) einteilig verbundenen Trageinsatz (6) zur Montage des Impulsringes (1; 1'; 1'') aufweist, dadurch gekennzeichnet, dass der Grundaufbau (4) gleichzeitig mit der Magnetisierung des ferromagnetischen Materials (5) einteilig mit dem Trageinsatz (6) geformt wird.Pulse ring (1; 1 ', 1' ') having a rotation axis (A) and a basic structure (4) made of plastic, a ferromagnetic material (5) embedded within the basic structure (4) and one with the basic structure (4) in one piece connected support insert (6) for mounting the pulse ring (1, 1 ', 1' '), characterized in that the basic structure (4) is formed simultaneously with the magnetization of the ferromagnetic material (5) in one piece with the support insert (6).
Description
Die Erfindung betrifft einen Impulsring.The invention relates to a pulse ring.
Die bekannten Impulsringe weisen, wie im Oberbegriff des Anspruchs 1 angegeben, im Allgemeinen einen Grundaufbau, der aus einem gummiartigem Material besteht, ein innerhalb des Grundaufbaus eingelassenes, ferromagnetisches, vorzugsweise pulverförmiges Material und einen einteilig mit dem Grundaufbau verbundenen Trageinsatz zur Montage des Impulsringes an einem Laufring, zum Beispiel eines Wälzlagers auf.The known pulse rings, as indicated in the preamble of
Ein derartiger Impulsring ist aus der Druckschrift
Bei anderen bekannten Impulsringen der oben beschriebenen Art wird ein vorgefertigter Grundaufbau durch Vulkanisierung des gummielastischen Materials mit dem Trageinsatz einteilig verbunden. Gleichzeitig mit dem Anvulkanisieren des Grundaufbaus an den Trageinsatz wird der Impulsring magnetisiert, um dem Impulsring seine besonderen magnetischen Eigenschaften zu verleihen.In other known pulse rings of the type described above, a prefabricated basic structure is integrally connected by vulcanization of the rubber-elastic material with the support insert. Simultaneously with the vulcanization of the basic structure to the support insert, the pulse ring is magnetized to give the pulse ring its special magnetic properties.
Zur Magnetisierung des Impulsrings wird das ferromagnetische Material einem bestimmten Magnetfeld ausgesetzt, um das ferromagnetische Material nach den vorgegebenen Flusslinien zu orientieren. Es wurde jedoch festgestellt, dass die magnetischen Eigenschaften der Impulsringe dieser Art entschieden unterhalb des erreichbaren Niveaus liegen, da die gleichzeitige Vulkanisierung des Grundaufbaus und der hohe Widerstand, der innerhalb des gummielastischen Materials gegen das ferromagnetische Material geleistet wird, die richtige Orientierung des ganzen ferromagnetischen Materials verhindern.To magnetize the pulse ring, the ferromagnetic material is exposed to a specific magnetic field in order to orient the ferromagnetic material according to the predetermined flux lines. It has been found, however, that the magnetic properties of the pulse rings of this kind are decidedly below the achievable level, since the simultaneous vulcanization of the basic structure and the high resistance afforded within the elastomeric material against the ferromagnetic material, the correct orientation of the whole ferromagnetic material prevent.
Um die ferromagnetischen Eigenschaften der Impulsringe zu verbessern, sind Impulsringe aus Plastoferrit bekannt geworden, deren Grundaufbau aus Kunststoff besteht und bei welchen, wie es zum Beispiel in der
Es hat sich nämlich gezeigt, dass die Impulsringe aus Plastoferrit nicht nur eine hohe, durch die Anwesenheit des eingelassenen ferromagnetischen Materials gesteigerte Sprödigkeit, sondern auch Wärmeausdehnungskoeffizienten aufweisen, die sich von den Wärmekoeffizienten ihrer Trageinsätze sowie, vor allem, von denjenigen der Laufringe der Wälzlager sehr stark unterscheiden, mit denen diese Impulsringe in der Regel zur Anwendung kommen.It has been shown that the pulse rings of plastoferrite not only have a high, increased by the presence of the embedded ferromagnetic material brittleness, but also thermal expansion coefficients, which are very different from the heat coefficients of their wear inserts and, above all, of those of the races of rolling bearings differ greatly with which these pulse rings are usually used.
Wegen der Notwendigkeit besonderer Maßnahmen bei der Verankerung der Impulsringe aus Plastoferrit an ihren Trageinsätzen, sind diese Impulsringe vom Gesichtspunkt der Fertigung aus unwirtschaftlich geworden.Because of the need for special measures in the anchoring of the pulse rings of plastoferrite on their wearer inserts, these pulse rings have become uneconomical from the point of view of manufacturing.
Aus der
Die nach dem Zeitrang der vorliegenden Patents veröffentlichte Druckschrift
Ferner ist aus der ebenfalls nach dem Zeitrang des vorliegenden Patents veröffentlichten Druckschrift
Ergänzend wird auf weiteren einschlägigen Stand der Technik gemäß der Druckschriften
Der Erfindung liegt die Aufgabe zugrunde, einen Impulsring zu schaffen, der hohe magnetische Eigenschaften besitzt und sich einfach sowie kostenkünstig herstellen lässt.The invention has for its object to provide a pulse ring, which has high magnetic properties and can be easily and inexpensively manufactured.
Diese Aufgabe wird erfindungsgemäss durch einen Impulsring gelöst, der eine Drehachse hat und einen Grundaufbau aus Kunststoff, ein innerhalb des Grundaufbaues eingelassenes ferromagnetisches Material und einen mit dem Grundaufbau einteilig verbundenen Trageinsatz zur Montage des Impulsringes aufweist und dadurch gekennzeichnet ist, dass der Grundaufbau gleichzeitig mit der Magnetisierung des ferromagnetischen Materials einteilig mit dem Trageinsatz geformt wird.This object is achieved according to the invention by a pulse ring having a rotation axis and a basic structure made of plastic, embedded within the basic structure ferromagnetic material and integrally connected to the basic structure support insert for mounting the pulse ring and characterized in that the basic structure simultaneously with the Magnetization of the ferromagnetic material is integrally molded with the support insert.
Die Erfindung wird nachstehend an Hand der beiliegenden Zeichnungen beschrieben, die nicht beschränkende Ausführungsbeispiele darstellen. Es zeigen:The invention will be described below with reference to the accompanying drawings, which represent non-limiting embodiments. Show it:
In den
Der Impulsring
Der Grundaufbau
Der Trageinsatz
Der Montageabschnitt
Der in
Die Wandstärke des ringförmigen Abschnittes
Die in den
Als erste Folge dieses Unterschieds weist der Tragabschnitt
Der Montageabschnitt
Schliesslich weist der Tragabschnitt
Die in den
Im Fall des Impulsringes
Im Fall des Impulsringes
Aus der obigen Beschreibung geht deutlich hervor, dass sich der in den verschiedenen Ausführungsformen durch einteiliges Formen eines Grundaufbaues
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2003A/0868 | 2003-11-04 | ||
IT000868A ITTO20030868A1 (en) | 2003-11-04 | 2003-11-04 | SOUND WHEEL. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004046595A1 DE102004046595A1 (en) | 2005-06-16 |
DE102004046595B4 true DE102004046595B4 (en) | 2015-04-02 |
Family
ID=34587014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004046595.9A Active DE102004046595B4 (en) | 2003-11-04 | 2004-09-25 | impulse ring |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101117455B1 (en) |
CN (1) | CN100573052C (en) |
DE (1) | DE102004046595B4 (en) |
IT (1) | ITTO20030868A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700083818A1 (en) | 2017-07-24 | 2019-01-24 | Skf Ab | SOUND WHEEL FOR HUB-WHEEL GROUP |
KR102636950B1 (en) * | 2019-06-26 | 2024-02-15 | 주식회사 일진글로벌 | Encoder ring and wheel bearing provided therewith |
DE102019213805A1 (en) * | 2019-09-11 | 2021-03-11 | Aktiebolaget Skf | Method for assembling a sensor bearing unit and sensor bearing unit implemented for such a method |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081225A1 (en) * | 1981-12-09 | 1983-06-15 | Dai-Ichi Seiko Co. Ltd. | A formed permanent magnet |
EP0724160A2 (en) * | 1995-01-26 | 1996-07-31 | Firma Carl Freudenberg | Annular sensor |
DE29609178U1 (en) * | 1996-05-22 | 1996-08-22 | Donner Michael | Magnetic pole rotor for speed measurement |
US5575568A (en) * | 1995-02-09 | 1996-11-19 | S.K.F. France | Encoder device for a rotational speed sensor and rolling-contact bearing equipped with such a device |
JPH10115628A (en) * | 1996-10-11 | 1998-05-06 | Nippon Seiko Kk | Magnetizing device of encoder for rotary speed detector and rolling bearing unit with rotary speed detector containing encoder |
EP1008855A2 (en) * | 1998-12-08 | 2000-06-14 | Carl Freudenberg | Sensor ring |
EP1262780A2 (en) * | 2001-06-01 | 2002-12-04 | Koyo Seiko Co., Ltd. | Magnetizing apparatus and magnetizing method for magnetized pulser ring, and magnetized pulser ring |
US20030059139A1 (en) * | 2001-09-25 | 2003-03-27 | Ntn Corporation | Magnetic encoder and wheel bearing assembly using the same |
DE10333486A1 (en) * | 2002-07-19 | 2004-04-22 | Uchiyama Manufacturing Corp. | Magnetic encoder |
EP1457719A1 (en) * | 2003-03-11 | 2004-09-15 | Ntn Corporation | Wheel support bearing assembly with magnetic encoder |
DE102004023313A1 (en) * | 2003-05-16 | 2004-12-09 | Ntn Corp. | Magnetic pulse generator made of rubber |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1233900B (en) * | 1989-09-28 | 1992-04-21 | Riv Officine Di Villar Perosa | PHONIC WHEEL FOR DETECTION OF THE SPEED OF A ROTATING BODY, COATED WITH ELASTOMERIC MATERIAL |
FR2661226B1 (en) * | 1990-04-23 | 1992-07-17 | Skf France | BEARING HUB EQUIPPED WITH A ROTATION SPEED DETECTION DEVICE. |
FR2700588B1 (en) * | 1993-01-19 | 1995-02-17 | Roulements Soc Nouvelle | Mounting device with integrated encoder seal. |
JPH08122349A (en) * | 1994-10-20 | 1996-05-17 | Nippon Seiko Kk | Roller bearing unit with rotational speed detector |
IT1295465B1 (en) * | 1997-10-03 | 1999-05-12 | Skf Ind Spa | DEVICE FOR DETECTION OF THE RELATIVE ROTATIONAL SPEED BETWEEN THE RINGS OF A ROLLING BEARING. |
JP2001272250A (en) | 2000-03-24 | 2001-10-05 | Seiko Precision Inc | Object to be detected having magnetization pattern and magnetic encoder |
-
2003
- 2003-11-04 IT IT000868A patent/ITTO20030868A1/en unknown
-
2004
- 2004-09-24 KR KR1020040076825A patent/KR101117455B1/en active IP Right Grant
- 2004-09-25 DE DE102004046595.9A patent/DE102004046595B4/en active Active
- 2004-09-28 CN CNB2004100951022A patent/CN100573052C/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081225A1 (en) * | 1981-12-09 | 1983-06-15 | Dai-Ichi Seiko Co. Ltd. | A formed permanent magnet |
EP0724160A2 (en) * | 1995-01-26 | 1996-07-31 | Firma Carl Freudenberg | Annular sensor |
US5575568A (en) * | 1995-02-09 | 1996-11-19 | S.K.F. France | Encoder device for a rotational speed sensor and rolling-contact bearing equipped with such a device |
DE29609178U1 (en) * | 1996-05-22 | 1996-08-22 | Donner Michael | Magnetic pole rotor for speed measurement |
JPH10115628A (en) * | 1996-10-11 | 1998-05-06 | Nippon Seiko Kk | Magnetizing device of encoder for rotary speed detector and rolling bearing unit with rotary speed detector containing encoder |
EP1008855A2 (en) * | 1998-12-08 | 2000-06-14 | Carl Freudenberg | Sensor ring |
EP1262780A2 (en) * | 2001-06-01 | 2002-12-04 | Koyo Seiko Co., Ltd. | Magnetizing apparatus and magnetizing method for magnetized pulser ring, and magnetized pulser ring |
US20030059139A1 (en) * | 2001-09-25 | 2003-03-27 | Ntn Corporation | Magnetic encoder and wheel bearing assembly using the same |
DE10333486A1 (en) * | 2002-07-19 | 2004-04-22 | Uchiyama Manufacturing Corp. | Magnetic encoder |
EP1457719A1 (en) * | 2003-03-11 | 2004-09-15 | Ntn Corporation | Wheel support bearing assembly with magnetic encoder |
DE102004023313A1 (en) * | 2003-05-16 | 2004-12-09 | Ntn Corp. | Magnetic pulse generator made of rubber |
Also Published As
Publication number | Publication date |
---|---|
KR101117455B1 (en) | 2012-02-29 |
DE102004046595A1 (en) | 2005-06-16 |
CN100573052C (en) | 2009-12-23 |
ITTO20030868A1 (en) | 2005-05-05 |
KR20050043613A (en) | 2005-05-11 |
CN1645058A (en) | 2005-07-27 |
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OP8 | Request for examination as to paragraph 44 patent law | ||
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final |