DE10313060A1 - Rolling contact bearing e.g. for machine control and motor vehicle wheel bearings force measurement, has tribological layer designed for force- and/or temperature measurement - Google Patents
Rolling contact bearing e.g. for machine control and motor vehicle wheel bearings force measurement, has tribological layer designed for force- and/or temperature measurement Download PDFInfo
- Publication number
- DE10313060A1 DE10313060A1 DE10313060A DE10313060A DE10313060A1 DE 10313060 A1 DE10313060 A1 DE 10313060A1 DE 10313060 A DE10313060 A DE 10313060A DE 10313060 A DE10313060 A DE 10313060A DE 10313060 A1 DE10313060 A1 DE 10313060A1
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- Prior art keywords
- rolling
- plain bearing
- force
- bearing according
- temperature
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- Ceased
Links
- 238000005096 rolling process Methods 0.000 title claims description 35
- 238000009529 body temperature measurement Methods 0.000 title claims description 4
- 238000005259 measurement Methods 0.000 title abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 48
- 239000010409 thin film Substances 0.000 claims description 8
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 239000002346 layers by function Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
- G01L5/0019—Force sensors associated with a bearing by using strain gages, piezoelectric, piezo-resistive or other ohmic-resistance based sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
-
- 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
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C19/525—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/16—Sliding surface consisting mainly of graphite
-
- 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
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/80—Diagnostics
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Die Erfindung betrifft Wälz- oder Gleitlager mit einem Sensor zur Bestimmung der Beanspruchung des Lagers und einer tribologischen Beschichtung zwischen sich gegeneinander oder aufeinander bewegenden Flächen.The Invention relates to rolling or plain bearing with a sensor to determine the load of the bearing and a tribological coating between each other or moving surfaces.
Aus
der
Zur
Bestimmung der Beanspruchung eines Gleit- oder Wälzlagers sind diskret aufgebaute
Sensoren, wie z.B. Dehnungsmesssensoren (DMS) gebräuchlich.
Aus der
Die
oben genannten Nachteile lassen sich durch eine direkt in das Lager
integrierte Dünnschichtsensorik
verhindern. Die
Die Aufgabe der vorliegenden Erfindung besteht demnach darin, ein Lager mit guten tribologischen Eigenschaften bereit zu stellen, welches eine einfache und verschleißfeste Sensorik mit direkter Messung der einwirkenden Kräfte und Temperaturen in der Wälzbahn aufweist.The The object of the present invention is therefore a bearing with good tribological properties to provide which a simple and wear-resistant Sensor technology with direct measurement of the forces and Temperatures in the roller track having.
Die Aufgabe wird erfindungsgemäß gelöst durch ein Wälz- oder Gleitlager mit einem Sensor zur Bestimmung der Beanspruchung des Lagers und einer tribologischen Beschichtung zwischen sich gegeneinander oder aufeinander bewegenden Flächen, bei welchem die tribologische Beschichtung als kraft- und/oder temperatursensitive Messschicht ausgebildet ist. Weiterhin besteht die Lösung in einem Verfahren, bei welchem die tribologische Beschichtung eines Wälz- oder Gleitlagers als Sensor zur Bestimmung der Temperatur oder der einwirkenden Kraft verwendet wird.The The object is achieved by a rolling or plain bearing with a sensor to determine the load of the bearing and a tribological coating between each other or moving surfaces, at which the tribological coating as force and / or temperature sensitive Measuring layer is formed. Furthermore, the solution is in a method in which the tribological coating of a Rolling or Plain bearing as a sensor for determining the temperature or the acting Force is used.
Ein Wälz- oder Gleitlager im Sinne dieser Erfindung ist ein Lager für geschmierte oder trockene Verwendung, welches mindestens zwei Lagerschalen aufweist. Fallweise können dazwischen mehrere Wälzkörper angeordnet sein.On Rolling or Slide bearing in the sense of this invention is a bearing for lubricated or dry use, which has at least two bearing shells. Occasionally you can arranged between several rolling elements his.
Die zu bestimmende Beanspruchung des Lagers besteht zum einen in der Messung der Temperatur in der Laufbahn. Weiterhin sollen die auf das Lager einwirkenden Kräfte und die dadurch hervorgerufenen mechanischen Spannungen bestimmt werden.The the load to be determined on the bearing consists in the Measurement of the temperature in the career. Furthermore, the on forces acting on the bearing and the mechanical stresses caused thereby are determined.
Bei der anzubringenden Beschichtung handelt es sich um eine verschleißfeste sensorische Einzelschicht, welche mit oder ohne zusätzliche Isolationsschichten direkt auf die Wälz- oder Gleitflächen aufgebracht werden kann. Dabei kann die Beschichtung auf den Innenring, dem Außenring oder beidseitig ausgeführt werden.at the coating to be applied is a wear-resistant sensory Single layer, with or without additional insulation layers applied directly to the rolling or sliding surfaces can be. The coating on the inner ring, the outer ring or executed on both sides become.
Besonders
bevorzugt ist die Beschichtung der Außenseite des Innenrings. Dazu
kann eine Vorrichtung nach
Die
verwendete Schicht ist im Detail in der
Bei der bekannten Schicht handelt es sich um eine Schicht aus diamantartigem Kohlenstoff. Bevorzugt sind hierbei amorphe Kohlenwasserstoffschichten (a-C:H-Schichten), Wasserstofffreie amorphe Kohlenstoffschichten (a-C-Schichten), Kohlenwasserstoffschichten mit einem Element X der dritten oder vierten Hauptgruppe des Periodensystems der Elemente (X-C:H-Schichten), oder metallhaltige Kohlenwasserstoffschichten (Me-C:H-Schichten). Weiterhin können die Schichten auch Anteile von Sauerstoff, Stickstoff oder Fluor enthalten.The known layer is a layer of diamond-like carbon. Amorphous hydrocarbon layers (aC: H layers), hydrogen-free amorphous carbon layers (aC layers), hydrocarbon layers with an element X of the third are preferred or fourth main group of the Periodic Table of the Elements (XC: H layers), or metal-containing hydrocarbon layers (Me-C: H layers). Furthermore, the layers can also contain proportions of oxygen, nitrogen or fluorine.
In
der
Auf Grund der bekannt guten Reibeigenschaften und der hohen Härte der dargestellten Schichten eignen sich diese direkt zur Verwendung auf den Wälz- oder Gleitflächen, ohne dass :weitere tribologische Beschichtungen notwendig sind. Die Beschichtung kann sehr dünn ausgeführt werden, mit Schichtdicken zwischen 0,1 μm und 100 μm, bevorzugt 0,5 μm bis 10 μm. Besonders bevorzugt sind Schichtdicken zwischen 1 μm und 5 μm. Dabei versteht es sich von selbst, dass die Schichtdicke an die jeweilige Verwendung des Lagers angepasst werden kann. Da die Beschichtung die Maßhaltigkeit der Lagerkomponenten nicht verändert, kann diese auch auf andere Teile der Lagerkomponenten aufgebracht werden, ohne dass eine Abdeckung oder Maskierung erfolgen muss.On Because of the well-known good friction properties and the high hardness of the illustrated layers, these are directly suitable for use the rolling or sliding surfaces, without: further tribological coatings are necessary. The coating can be very thin accomplished with layer thicknesses between 0.1 μm and 100 μm, preferably 0.5 μm to 10 μm. Especially layer thicknesses between 1 μm and 5 μm are preferred. It goes without saying itself that the layer thickness depends on the particular use of the bearing can be customized. Because the coating is true to size the bearing components have not changed, it can also be applied to other parts of the bearing components, without covering or masking.
Die Haftfähigkeit der Beschichtung lässt sich durch Anbringen einer dünnen Haft- und Gradientenschicht weiter erhöhen.The adhesiveness the coating leaves yourself by attaching a thin Increase the adhesive and gradient layers further.
Zu diesem Zweck wird Cr, W oder Ti-Schicht von 1 – 2 μm auf die Bauteiloberfläche aufgesputtert. Danach erfolgt unverzüglich das Wachstum der oben genannten amorphen Kohlenstoffschicht.To For this purpose, Cr, W or Ti layers of 1 - 2 μm are sputtered onto the component surface. After that takes place immediately the growth of the above amorphous carbon layer.
Eine
besonders einfache Auswertung des Widerstandswertes R der Messschicht
(
Eine
bevorzugte Messanordnung zur Bestimmung des Widerstandes zwischen
Innen- (
Besonders
bevorzugt ist die Beschichtung des Außenrings (
Wenn eine potentialfreie Messung des elektrischen Widerstandes der kraftsensorischen Schicht benötigt wird, kann eine Telemetrieeinrichtung zur kontaktfreien Übertragung der Signale und der Versorgungsspannung verwendet werden. Eine Telemetrieeinrichtung im Sinne dieser Erfindung ist dabei jede Form drahtloser Übertragung, wobei die Übertragung der Versorgungsspannung und der Signale auch mit unterschiedlichen Verfahren, z.B. kapazitiv für die Signale und induktiv für die Versorgungsspannung, erfolgen kann. Zur Übertragung der Nutzsignale kann auch eine Transpondertechnik vorgesehen werden. Dabei erfolgt die Datenübertragung über einen Schwingkreis, wobei die kraftsensorische Schicht als Widerstand Bestandteil dieses Schwingkreises ist.If a potential-free measurement of the electrical resistance of the force sensor Layer needed is a telemetry device for contactless transmission the signals and the supply voltage are used. A telemetry facility For the purposes of this invention, any form of wireless transmission is being the transfer the supply voltage and the signals with different Methods, e.g. capacitive for the signals and inductive for the supply voltage can take place. For transmission of the useful signals a transponder technology can also be provided. This is done the data transmission over a Resonant circuit, the force-sensory layer acting as a resistor Is part of this resonant circuit.
Bei
den größten dargestellten
Widerstandswerten wurde das Lager mit 0.5 N belastet. Eine Verdoppelung
der Last auf 1.0 N bewirkt eine Verringerung des mittleren Widerstands
der kraftsensorischen Beschichtung um 50 MΩ. Eine weitere Verdoppelung
des aufgeprägten
Kraft auf 2.0 N bewirkt eine nochmalige Verringerung des mittleren
Widerstands um 50 MΩ.
Wie aus
In
Wie
oben bereits ausgeführt
wurde, hängt der
Widerstand der kraftsensorischen Schicht sowohl von der Temperatur
als auch von der eingeleiteten Kraft ab. Demnach muss immer eine
von beiden Größen bekannt
sein, um die Andere zu bestimmen. Daher wird in einer Weiterentwicklung
der Erfindung eine Dünnschichtelektrode
(
Eine
nochmals höhere
Messgenauigkeit ergibt sich, wenn mehrere Dünnschichtelektroden (
Besonders einfach kann eine Entfaltung der Messwerte für Temperatur und Kraft erreicht werden, wenn Temperatur und Kraft nicht zeitgleich gemessen werden. Zur Temperaturmessung bietet sich insbesondere der Zeitpunkt an, in dem das Lager von einer bekannten Kraftkomponente entlastet ist. Dies ist beispielsweise bei Spindellagern in Werkzeugmaschinen der Fall. Wird z.B. bei der Zerspanung das Werkzeug vom Werkstück entfernt, so ist das Lager in diesem Moment von den Schnittkräften befreit und eine ungestörte Temperaturmessung möglich. Wird die Zerspanung im unterbrochenen Schnitt ausgeführt, tritt diese Entlastung zyklisch auf. Somit kann auch die Temperatur zyklisch gemessen werden.Especially The measured values for temperature and force can easily be developed if temperature and force are not measured at the same time. The time is particularly useful for temperature measurement, in which the bearing is relieved of a known force component. This is the case with spindle bearings in machine tools, for example Case. E.g. the tool is removed from the workpiece during machining, so the bearing is released from the cutting forces at this moment and an undisturbed Temperature measurement possible. If the machining is carried out in an interrupted cut, occurs this relief cyclically. This means that the temperature can also be cyclical be measured.
Die erfindungsgemäße Lehre umfasst weiterhin die Verwendung eines beschriebenen Wälz- oder Gleitlagers, wobei die Temperatur- und Kraftsignale zur Steuerung einer Maschine verwendet werden.The teaching according to the invention also includes the use of a rolling or Plain bearing, the temperature and force signals for control machine.
Dies können die bereits beschriebenen Werkzeugmaschinen sein, bei welchen das erfindungsgemäße Lager die Bestimmung der Schnittkräfte erlaubt. Ein weiteres Beispiel ist die Verwendung des Erfindungsgemäßen Lagers in Kraftfahrzeugen, wo die Messung der auftretenden Kräfte in den Radlagerungen die Bestimmung des Fahrzustands ermöglicht.This can the machine tools already described, in which the bearing according to the invention the determination of the cutting forces allowed. Another example is the use of the bearing according to the invention in motor vehicles, where the measurement of the forces occurring in the Wheel bearings enables the determination of the driving condition.
In einer weiteren Verwendung können die Signale der Sensorschicht dazu verwendet werden, die Schmierung des Lagers zu optimieren. Hierbei wird ein unerwünschter Trockenlauf durch einen starken Anstieg der Temperatur an der Laufbahn und der auftretenden Kräfte angezeigt. Dieser Betriebszustand kann nun als Warnung an den Benutzer ausgegeben werden, so dass dieser erforderliche Maßnahmen einleiten kann. Alternativ kann über ein Magnetventil automatisch Schmierstoff in den Lagerspalten zugeführt werden.In another use the signals from the sensor layer are used to lubricate to optimize the warehouse. Here, an undesirable dry run by a sharp rise in temperature at the career and the occurring personnel displayed. This operating state can now be a warning to the user be issued so that it can take the necessary measures can. Alternatively, over a solenoid valve will automatically feed lubricant into the bearing gaps.
Auch ein veschlissenes Lager wird durch einen Anstieg der auftretenden Kräfte und der Temperatur bemerkt. Bei weiterer Schmierstoffzugabe wird jedoch lediglich die Temperatur gesenkt. Die durch die abweichende Geometrie des Lagers verursachte Krafterhöhung bleibt bestehen. Somit kann eine Warnung an den Benutzer ausgegeben oder die Maschine in einen sicheren Betriebszustand gebracht werden.Also a worn-out bearing is caused by an increase in the personnel and noticed the temperature. However, with further addition of lubricant just lowered the temperature. Because of the different geometry increased force caused by the bearing remains. Thus, a warning can be issued to the user or the machine is brought into a safe operating state.
Anwendungsbeispiele für eine solche Überwachung einer Lagerung sind z.B. Windkraftanlagen. Die Wellenlager dieser Maschinen sind stark beansprucht. Die große Höhe des Turmes und der oft entlegene Aufstellungsort dieser Anlagen, z.B. im offenen Meer vor der Küste, machen die Fernüberwachung der Lagerungen notwendig, um Schäden frühzeitig zu erkennen und Folgeschäden und Betriebsausfälle zu verhindern.applications for one such surveillance storage are e.g. Wind turbines. The shaft bearings of this Machines are stressed. The great height of the tower and the often remote one Location of these systems, e.g. in the open sea off the coast remote monitoring the bearings necessary to prevent damage early detect and consequential damage and breakdowns to prevent.
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10313060A DE10313060A1 (en) | 2003-03-24 | 2003-03-24 | Rolling contact bearing e.g. for machine control and motor vehicle wheel bearings force measurement, has tribological layer designed for force- and/or temperature measurement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10313060A DE10313060A1 (en) | 2003-03-24 | 2003-03-24 | Rolling contact bearing e.g. for machine control and motor vehicle wheel bearings force measurement, has tribological layer designed for force- and/or temperature measurement |
Publications (1)
Publication Number | Publication Date |
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DE10313060A1 true DE10313060A1 (en) | 2004-10-21 |
Family
ID=33015947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE10313060A Ceased DE10313060A1 (en) | 2003-03-24 | 2003-03-24 | Rolling contact bearing e.g. for machine control and motor vehicle wheel bearings force measurement, has tribological layer designed for force- and/or temperature measurement |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004051186A1 (en) * | 2004-10-21 | 2006-04-27 | Fag Kugelfischer Ag & Co. Ohg | Device for measuring current passing through roller bearing in machine, has measuring device arranged within substitute bearing to electrically connect inner and outer races |
DE102004054201A1 (en) * | 2004-11-10 | 2006-05-11 | Fag Kugelfischer Ag & Co. Ohg | Ball bearing has peripheral grooves in outer faces of outer ring, in which sensors, e.g. temperature or rpm sensors, are mounted |
WO2007068570A1 (en) * | 2005-12-12 | 2007-06-21 | Robert Bosch Gmbh | Method for the detection of wear on a shaft-bearing combination, especially in a fuel pump |
WO2007128877A1 (en) * | 2006-05-09 | 2007-11-15 | Metso Paper, Inc. | Arrangement, system and method for measuring operating conditions of an element rotating in a web forming machine or a finishing machine |
WO2009097867A1 (en) | 2008-02-04 | 2009-08-13 | Ab Skf | Sensor element |
DE102009057765A1 (en) | 2009-12-10 | 2011-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal guiding device for manufacturing electrical contact with sensor in deformation tool, has pins extending from front side of body to rear side of body, where device is arranged between shaping area of tool and outer side of tool |
DE102010024850A1 (en) | 2010-06-23 | 2011-12-29 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for determining rotation speed of e.g. rotatable shaft that is rotated opposite to e.g. outer ring in tachogenerator, involves determining rotation speed based on detected signal patterns of output signal at piezoresistive transducer |
DE102010045912A1 (en) * | 2010-09-21 | 2012-03-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Rotatable rolling bearing |
EP2551578A1 (en) * | 2011-07-27 | 2013-01-30 | Siemens Aktiengesellschaft | Method for lubricating at least one bearing of a wind turbine |
US20150114280A1 (en) * | 2013-10-25 | 2015-04-30 | Rolls-Royce Plc | Temperature indicator |
DE102016106112A1 (en) * | 2016-04-04 | 2017-10-05 | Federal-Mogul Deva Gmbh | Plain bearing with wear monitoring and associated method |
CN110146188A (en) * | 2019-04-02 | 2019-08-20 | 中国北方发动机研究所(天津) | A kind of floating-ring bearing ectonexine oil film thermometry |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102004051186A1 (en) * | 2004-10-21 | 2006-04-27 | Fag Kugelfischer Ag & Co. Ohg | Device for measuring current passing through roller bearing in machine, has measuring device arranged within substitute bearing to electrically connect inner and outer races |
DE102004054201A1 (en) * | 2004-11-10 | 2006-05-11 | Fag Kugelfischer Ag & Co. Ohg | Ball bearing has peripheral grooves in outer faces of outer ring, in which sensors, e.g. temperature or rpm sensors, are mounted |
WO2007068570A1 (en) * | 2005-12-12 | 2007-06-21 | Robert Bosch Gmbh | Method for the detection of wear on a shaft-bearing combination, especially in a fuel pump |
WO2007128877A1 (en) * | 2006-05-09 | 2007-11-15 | Metso Paper, Inc. | Arrangement, system and method for measuring operating conditions of an element rotating in a web forming machine or a finishing machine |
WO2009097867A1 (en) | 2008-02-04 | 2009-08-13 | Ab Skf | Sensor element |
DE102009057765A1 (en) | 2009-12-10 | 2011-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal guiding device for manufacturing electrical contact with sensor in deformation tool, has pins extending from front side of body to rear side of body, where device is arranged between shaping area of tool and outer side of tool |
DE102010024850A1 (en) | 2010-06-23 | 2011-12-29 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for determining rotation speed of e.g. rotatable shaft that is rotated opposite to e.g. outer ring in tachogenerator, involves determining rotation speed based on detected signal patterns of output signal at piezoresistive transducer |
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DE102010045912B4 (en) * | 2010-09-21 | 2014-05-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Rotatable rolling bearing |
EP2551578A1 (en) * | 2011-07-27 | 2013-01-30 | Siemens Aktiengesellschaft | Method for lubricating at least one bearing of a wind turbine |
US20150114280A1 (en) * | 2013-10-25 | 2015-04-30 | Rolls-Royce Plc | Temperature indicator |
US9506812B2 (en) * | 2013-10-25 | 2016-11-29 | Rolls-Royce Plc | Temperature indicator |
DE102016106112A1 (en) * | 2016-04-04 | 2017-10-05 | Federal-Mogul Deva Gmbh | Plain bearing with wear monitoring and associated method |
CN110146188A (en) * | 2019-04-02 | 2019-08-20 | 中国北方发动机研究所(天津) | A kind of floating-ring bearing ectonexine oil film thermometry |
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