DE2101262A1 - Combination friction bearing - with ptfe film friction coating layer on sintered metal substrate - Google Patents
Combination friction bearing - with ptfe film friction coating layer on sintered metal substrateInfo
- Publication number
- DE2101262A1 DE2101262A1 DE19712101262 DE2101262A DE2101262A1 DE 2101262 A1 DE2101262 A1 DE 2101262A1 DE 19712101262 DE19712101262 DE 19712101262 DE 2101262 A DE2101262 A DE 2101262A DE 2101262 A1 DE2101262 A1 DE 2101262A1
- Authority
- DE
- Germany
- Prior art keywords
- support body
- composite
- plastic film
- sintered metal
- bearing according
- 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.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 title claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 6
- 239000011247 coating layer Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 title 1
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 5
- 239000000314 lubricant Substances 0.000 claims abstract description 4
- 239000012815 thermoplastic material Substances 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims description 16
- 239000002985 plastic film Substances 0.000 claims description 16
- 229920006255 plastic film Polymers 0.000 claims description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000012791 sliding layer Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
-
- 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
-
- 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
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/203—Multilayer structures, e.g. sleeves comprising a plastic lining
- F16C33/205—Multilayer structures, e.g. sleeves comprising a plastic lining with two layers
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
- F16C2208/04—Glass fibres
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/66—Acetals, e.g. polyoxymethylene [POM]
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/76—Polyolefins, e.g. polyproylene [PP]
- F16C2208/78—Polyethylene [PE], e.g. ultra-high molecular weight polyethylene [UHMWPE]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Verbundgleitlager Gegenstand der Erfindung ist ein aus einem Stützkörper und einer Gleitschicht aus Kunststoff-Folie bestehendes Verbundgleitlager.Composite plain bearing The subject matter of the invention is a support body consisting of a support body and a sliding layer made of plastic film consisting of a composite sliding bearing.
Es ist bekannt, durch das Aufbringen von Kunststoff-Schichten die Reibung von Gleitlagern, deren Stützkörper aus kompakten Metallen, Sintermetallen, Kohlenstoff oder Graphit bestehen, zu verkleinern. Zur Vermeidung der bei Verbund lagern in der Regel notwendigen Nachbearbeitung ist es bekannt, den Kunststpff in Form einer Folie in einen Stützkörper aus kompakten Metallen, der eine entsprechende Ausnehmung aufweist, einzulegen. Die Tiefe der Ausnehmung ist dabei kleiner als die Stärke der Folie.It is known by the application of plastic layers the Friction of plain bearings whose supporting bodies are made of compact metals, sintered metals, Carbon or graphite are made to shrink. To avoid the at Verbund It is known to store the plastic in usually necessary post-processing Form a foil in a support body made of compact metals, which has a corresponding Has recess to insert. The depth of the recess is smaller than the thickness of the foil.
Zur Kompensation der unterschiedlichen Wärmeausdehnung von Stützkörper und Kunststoff-Folie ist es weiterhin bekannt, die Kunststoff-Folie zu schlitzen, wobei die Schlitzbreite durch das Verhältnis der thermischen Ausdehnungskoeffizienten, durch die Betriebstemperatur des Lagers und durch die Fließeigenschaften des Kunststoffs bestimmt ist.To compensate for the different thermal expansion of the support body and plastic film, it is also known to slit the plastic film, where the slot width is given by the ratio of the thermal expansion coefficients, by the operating temperature of the bearing and by the flow properties of the plastic is determined.
Bei der Anwendung von Verbundgleitlagern mit eingelegten Kunststoff-Folien wurde gefunden, daß ein kleiner und gleichmäßiger Verschleiß der Kunststoff-Folie nur dann erreicht wird, wenn die Folie gegenüber dem Stützkörper gleiten kann. Da eine Relativbewegung offensichtlich nur bei hoher Oberflächengüte des Stützkörpers möglich ist, muß die tragende Fläche des Stützkörpers sorgfältig bearbeitet werden.When using composite plain bearings with inlaid plastic foils it was found that a small and even wear of the plastic film is only achieved when the film can slide against the support body. There a relative movement obviously only with a high surface quality of the support body is possible, the bearing surface of the support body must be carefully to be edited.
Der Erfindung liegt die Aufgabe zugrunde, den für Verbundgleitlager mit eingelegten Kunststoff-Folien und kompakten Stützkörpern erforderlichen großen Bearbeitungsaufwand zu vermeiden und darüberhinaus den Verschleiß der eingelegten Kunststoff-Folien zu verkleinern.The invention is based on the object for composite plain bearings with inlaid plastic films and compact support bodies required large To avoid processing effort and, moreover, the wear and tear of the inserted Shrink plastic foils.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Stützkörper aus einem porösen Sintermetall besteht. Das Porenvolumen von Stützkörpern beträgt vorteilhaft ao bis 30 % und nach einer Ausgestaltung der Erfindung ist wenigstens ein Teil des Stützkörper-Porenvolumens mit einem Schmierstoff gefüllt.The object is achieved according to the invention in that the support body consists of a porous sintered metal. The pore volume of support bodies is advantageous ao to 30% and according to one embodiment of the invention is at least part of the supporting body pore volume is filled with a lubricant.
Die Gleitschicht aus Kunststoff-Folie ist in Verbundgleitlagern nach der Erfindung vorteilhaft geschlitzt und besteht aus thermoplastischen Kunststoffen, insbesondere aus Polytetrafluoräthylen. Nach einer vorteilhaften Ausgestaltung der Erfindung enthalten die Kunststoff-Folien einen Füllstoff. Verbundgleitlaqer nach der Erfindung sind als Zylinder-, Bund- oder Kalottenlager ausgebildet.The sliding layer made of plastic film is according to composite sliding bearings the invention is advantageously slotted and consists of thermoplastics, especially made of polytetrafluoroethylene. According to an advantageous embodiment of the According to the invention, the plastic films contain a filler. Composite sliding bearings according to of the invention are designed as cylinder, flange or spherical bearings.
Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß die aufwendige Bearbeitung der Innenbohrung von aus kompakten Metallen bestehenden Stützkörpern vermieden wird. Durch Verpressen von Metallpulvern, Sintern und Kalibrieren der Preßlinge hergestellte Stützkörper von Verbundgleitlagern nach der Erfindung weisen bei hoher Formgenauigkeit eine solche Oberflächengüte auf, daß die in den Stützkörper eingelegte Kunststoff-Folie ohne spanabhebende Nachbearbeitung gegenüber dem Stützkörper leicht beweglich ist und ein gleichmäßiger, geringer Verschleiß der Kunststoff-Folie erzielt wird. Durch vollständige oder teilweise Füllung der Poren des porösen Stützkörpers mit einem flüssigen Schmierstoff, z.B. einem natürlichen oder synthetischen Öl, oder einem festen Schmierstoff, wie Molybdän-Disulfid oder Graphit, werden die Reibungskräfte zwischen Stützkörper und Kunststoff-Folie in einem Verbundgleitlager nach der Erfindung darüberhinaus vermindert und der Verschleiß der Kunststoff-Folie weiter verkleinert.The advantages achieved with the invention are in particular: that the complex machining of the inner bore of existing compact metals Support bodies is avoided. By pressing metal powders, sintering and calibrating the Have compacts produced support bodies of composite sliding bearings according to the invention with high dimensional accuracy such a surface quality that the in the support body inlaid plastic film without machining post-processing compared to the support body is easy to move and a uniform, low wear of the plastic film is achieved. By completely or partially filling the pores of the porous support body with a liquid lubricant, e.g. a natural or synthetic oil, or a solid lubricant such as molybdenum disulfide or graphite, the frictional forces between the support body and plastic film in a composite sliding bearing according to the invention it is also reduced and the wear and tear on the plastic film is further reduced.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and is described in more detail below.
Der aus Sinterkupfer mit einem Porenvolumen von 18 % bestehende bundförmige Stützkörper 1 weist eine Ausnehmung 2 auf, in die eine schräg zur Achse des Wellenstumpfes 4 geschlitzte Folie aus Polytetrafluoräthylen 3 eingelegt ist. Die Tiefe der Ausnehmung 2 beträgt 40 % der Foliendicke. Zur axialen Exierung der Folie 3 ist an der Stirnseite des Stützkörpers 1 eine ebenfalls aus Sintermetall bestehende Abdeckscheibe 5 angeordnet. Der Stützkörper enthält in seinen Poren etwa 3 % eines synthetischen Öls, das bei Erwärmung des Lagers zum Teil in die Grenzfläche zwischen Stützkörper und Folie fließt.The collar-shaped one made of sintered copper with a pore volume of 18% Support body 1 has a recess 2 into which one is inclined to the axis of the stub shaft 4 slotted film made of polytetrafluoroethylene 3 is inserted. The depth of the recess 2 is 40% of the film thickness. For the axial exation of the film 3 is on the front side of the support body 1, a cover plate 5 also made of sintered metal is arranged. The support body contains about 3% synthetic in its pores Oil that, when the bearing is heated, partially enters the interface between the support body and slide flows.
Die Erfindung ist nicht auf das beschriebene Beispiel beschränkt. Insbesondere kann der Stützkörper aus anderen Metallen, wie z.B. Eisen oder Aluminium oder aus Metallegierungen bestehen.The invention is not restricted to the example described. In particular, the support body can be made of other metals, such as iron or aluminum or made of metal alloys.
Thermoplastische Folien sind nach der Erfindung z.B. Folien aus Polytetrafluoräthylen, Polyamiden, Polyimiden, Polyacetalen und Polyathylen, denen anorganische Füllstoffe,wie z.B. Glasfasern, Molybdän-Disulfid, Graphit oder Metallpulver zugesetzt sein können.According to the invention, thermoplastic films are e.g. films made of polytetrafluoroethylene, Polyamides, polyimides, polyacetals and polyethylenes, which inorganic fillers such as e.g. glass fibers, molybdenum disulfide, graphite or metal powder can be added.
8 Patentansprüche 1 Figur8 claims 1 figure
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712101262 DE2101262A1 (en) | 1971-01-13 | 1971-01-13 | Combination friction bearing - with ptfe film friction coating layer on sintered metal substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712101262 DE2101262A1 (en) | 1971-01-13 | 1971-01-13 | Combination friction bearing - with ptfe film friction coating layer on sintered metal substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2101262A1 true DE2101262A1 (en) | 1972-07-27 |
Family
ID=5795687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712101262 Pending DE2101262A1 (en) | 1971-01-13 | 1971-01-13 | Combination friction bearing - with ptfe film friction coating layer on sintered metal substrate |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2101262A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0622556A1 (en) * | 1992-08-20 | 1994-11-02 | Beaver Precision Products Inc. | Close fitting low friction assembly of a metal member and a polymer composite member |
| DE19543474A1 (en) * | 1995-11-22 | 1997-05-28 | Ibg Monforts Gmbh & Co | Slide bearing for use in conditions of high temperature and pressure |
| US6942388B2 (en) * | 2002-05-24 | 2005-09-13 | Hon Hai Precision Ind. Co., Ltd. | Bearing structure |
-
1971
- 1971-01-13 DE DE19712101262 patent/DE2101262A1/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0622556A1 (en) * | 1992-08-20 | 1994-11-02 | Beaver Precision Products Inc. | Close fitting low friction assembly of a metal member and a polymer composite member |
| DE19543474A1 (en) * | 1995-11-22 | 1997-05-28 | Ibg Monforts Gmbh & Co | Slide bearing for use in conditions of high temperature and pressure |
| US6942388B2 (en) * | 2002-05-24 | 2005-09-13 | Hon Hai Precision Ind. Co., Ltd. | Bearing structure |
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