WO2021259414A1 - Angular contact plain bearing - Google Patents

Angular contact plain bearing Download PDF

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Publication number
WO2021259414A1
WO2021259414A1 PCT/DE2021/100475 DE2021100475W WO2021259414A1 WO 2021259414 A1 WO2021259414 A1 WO 2021259414A1 DE 2021100475 W DE2021100475 W DE 2021100475W WO 2021259414 A1 WO2021259414 A1 WO 2021259414A1
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WO
WIPO (PCT)
Prior art keywords
bearing
angular contact
contact sliding
sliding bearing
rings
Prior art date
Application number
PCT/DE2021/100475
Other languages
German (de)
French (fr)
Inventor
Dion TILBORG
Olaf Wilhelm
Dirk NIENHUESER
Original Assignee
Schaeffler Technologies AG & Co. 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 Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2021259414A1 publication Critical patent/WO2021259414A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • 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
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • 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
    • F16C33/201—Composition of the plastic
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
    • 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
    • F16C2208/30—Fluoropolymers
    • F16C2208/32—Polytetrafluorethylene [PTFE]
    • 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
    • F16C2310/00—Agricultural machines

Definitions

  • the invention relates to an angular contact sliding bearing designed to absorb radial and axial forces according to the preamble of claim 1.
  • Such an angular contact sliding bearing is known, for example, from DE 10 2006 013275 B4. This is a slide bearing intended for use in watercraft.
  • an angular contact sliding bearing is combined with a radial sliding bearing, the radial sliding bearing being a bearing with a larger bearing clearance.
  • the radial plain bearing should act as a thrust bearing and be completely relieved in the course of operation by the angular contact bearing.
  • An angular contact sliding bearing intended for use in a wind power plant is disclosed, for example, in AT 513516 B1.
  • a conical Gleitla gerbuchse is arranged between an axis and a gear.
  • the gear wheel and the plain bearing bush are connected to one another by a conical press fit.
  • Multi-row bearing arrangements designed as angular contact sliding bearings, which can be loaded in the radial direction and in both axial directions, are known, for example, from the documents DE 102017 222 901 A1, DE 10 2017 223 370 A1, WO 2018/071941 A1 and WO 2017/162679 A1.
  • the invention is based on the object of providing a further developed, radially and at least one-sided axially loadable angular contact sliding bearing, which is characterized by a particularly favorable relationship between the manufacturing effort and resilience and is particularly suitable for applications in which the to each other mounted parts only execute swivel movements with small swivel angles.
  • This object is achieved according to the invention by an angular contact sliding bearing with the features of claim 1.
  • the angular contact sliding bearing has several bearing rings, namely at least one inner ring and at least one outer ring, each bearing ring having a conical sliding surface via which radial and axial forces can be carried . At least one of the bearing rings is made from a rolling bearing steel.
  • Rolling bearing steels are standardized in the DIN EN ISO 683-17: 2014 standard and, as their name suggests, are intended for use in rolling bearings.
  • roller bearing steels the steels, alloyed steels and automatic steels intended for heat treatment are included.
  • through-hardening roller bearing steels case-hardening roller bearing steels, unalloyed or alloyed induction-hardening roller bearing steels, rustproof roller bearing steels and hot-hard roller bearing steels.
  • roller bearing steels For the production of a bearing ring or several bearing rings of the angular contact sliding bearing, in particular all bearing rings of the angular contact sliding bearing, the following roller bearing steels can be considered:
  • Induction hardening rolling bearing steels C56E2, 56Mn4, 70Mn4, 43CrMo4
  • Rolling bearing steels that are suitable for the production of bearing rings for angular contact bearings are steels M50 (material number 1.3551) and M50NiL (material number 1.3590) and X30CrMoN15-1 (material number 1.4108).
  • a single bearing ring of the angular contact sliding bearing or a plurality of bearing rings, in particular the entirety of the bearing rings forming the angular contact sliding bearing, can be hard chrome-plated.
  • a solid shaft which has at least one conical sliding surface, can also be provided instead of an inner bearing ring of the angular contact sliding bearing.
  • At least one bearing ring can be provided with a sliding coating.
  • a sliding coating comprises a fabric made of PTFE (polytetrafluoroethylene) which is embedded in a resin matrix.
  • PTFE polytetrafluoroethylene
  • the angular contact sliding bearing can be designed as a maintenance-free sliding bearing.
  • the angular contact sliding bearing can either be a bearing that has to be lubricated repeatedly over the course of its operating life or a maintenance-free bearing.
  • a lifetime lubrication is possible in a basically known manner, for example with the aid of a solid lubricant which is applied in the course of the manufacture of the angular contact sliding bearing.
  • the angular contact sliding bearing comprises at least one seal effective between two bearing rings.
  • a seal is provided in particular in cases in which there is a steel-steel contact as the sliding contact of the angular contact sliding bearing.
  • the angular contact sliding bearing can be sealed either on a single axial side or on both axial sides.
  • the contact angle of the angular contact sliding bearing is at least 18 ° and at most 33 °, for example at least 24 ° and at most 27 °, in particular 25 °.
  • the angular contact sliding bearing is therefore mainly designed to absorb radial loads.
  • the angular contact sliding bearing is designed as a bearing that is effective in both axial directions. This can either be a multi-row bearing in an X-arrangement or a multi-row bearing in an O-arrangement.
  • the angular contact sliding bearing is intended for use in a Landma machine, for example.
  • 1 shows a first embodiment of an angular contact sliding bearing
  • 2 and 3 different embodiments of double-row angular contact sliding bearings
  • An angular contact sliding bearing identified as a whole by the reference number 1, comprises at least one inner ring 2 and at least one outer ring 3 as bearing rings 2, 3.
  • the bearing rings 2, 3 form conical sliding surfaces 7, 8.
  • the oblique sliding bearing 1 is thus designed to absorb radial loads and axial loads, at least in one axial direction.
  • the designated pressure angle of the angular contact sliding bearing 1 is 25 ° in the exemplary embodiments.
  • the pressure angle is to be measured according to the usual definition between a pressure line DL and a radial plane RE.
  • the center axis, labeled MA, of the angular contact sliding bearing 1 represents a surface normal to the radial plane RE.
  • the inner ring 2 has an inner diameter d2 and an outer diameter D2, the outer ring 3 an inner diameter d3 and an outer diameter D3.
  • the width of the bearing rings 2, 3 is given with B2, B3.
  • the bearing width indicated by BL of the entire angular contact sliding bearing 1 corresponds to the width B2 of the inner ring 2.
  • the bearing width BL is more than twice the inner ring width B2.
  • all bearing rings 2, 3, apart from any coatings or coverings which will be discussed below, are made of hardened roller bearing steel.
  • the angular contact plain bearings 1 can absorb significantly higher forces.
  • the angular contact sliding bearing 1 can replace an angular contact ball bearing or a cone roller bearing.
  • the angular contact sliding bearing 1 is suitable in all of the illustrated variants antennas also for applications in which only slight pivoting movements between tween the bearing rings 2, 3 occur.
  • either the inner ring 2 or the outer ring 3 can be the rotating bearing ring 2, 3. Rotation of the two bearing rings 2, 3 is also possible in principle.
  • the sliding surface 7 of the inner ring 2 is hard chrome-plated in all exemplary embodiments. As far as hard chrome plating in bearing arrangements is concerned, reference is made to DE 10 2008 029 449 A1 as an example of the prior art.
  • the sliding coating 4 that can be seen in FIG. 1 has a PTFE fabric which is embedded in a resin matrix. Such sliding linings are marketed by the applicant under the name ELGOGLIDE.
  • the thickness of the sliding coating 4 glued onto the outer ring 3 is approximately 0.5 mm. Due to the conical shape of the sliding surface 7 of the inner ring 2 and the sliding surface 8 of the outer ring 3 formed by the sliding coating 4, the angular contact sliding bearing 1 is intended exclusively for operation without tilting between the bearing rings 2, 3.
  • the angular contact sliding bearing 1 according to FIG. 2 can be axially loaded on both sides.
  • the angular contact sliding bearing 1 represents a multi-row bearing in an O arrangement.
  • the two bearing ring rows of the angular contact sliding bearing 1 according to FIG. 2, formed by a total of four bearing rings 2, 3, are denoted by 5, 6.
  • the pressure lines DL of the two rows of bearing rings 5, 6 intersect the central axis MA, as can be seen from FIG.
  • a spacer ring (not shown) can be arranged between the two outer rings 3.
  • a one-piece connection of the two outer rings 3 is possible.
  • the outer rings 3 can be part of a housing.
  • the angular contact sliding bearing 1 according to FIG. 3 differs from the exemplary embodiment according to FIG. 2 in that, instead of an O-arrangement, there is an X-arrangement.
  • the point of intersection between the pressure lines DL and the central axis MA lies between the two rows of bearing rings 5, 6.
  • axial forces can also be absorbed in both directions in the exemplary embodiment according to FIG.
  • both the angular contact sliding bearing 1 according to FIG. 2 and the angular contact sliding bearing 1 according to FIG. 3 are able to absorb tilting loads.
  • the two inner rings 2 can be connected to one another in one piece or formed directly by a shaft.
  • the angular contact sliding bearing 1 according to FIG. 4 differs from the exemplary embodiments according to FIGS. 1 to 3 in that no non-metallic sliding coating 4 is provided, but rather both sliding surfaces 7, 8 are formed by metallic surfaces to be lubricated. Both sliding surfaces 7, 8 are hard chrome-plated. Seals 9, 10, which are inserted into recesses in the outer ring 3, are provided for sealing. Like the exemplary embodiment according to FIG. 1, the angular contact sliding bearing 1 according to FIG. 4 is also designed to absorb axial loads on one side. In a manner not shown, the angular contact sliding bearing 1 according to FIG. 4 can be combined with a further, similar angular contact sliding bearing 1, so that a multi-row bearing arrangement, as sketched in FIGS. 2 and 3, results. The same applies to the angular contact sliding bearing 1 according to FIG. 1. In all cases, there is an extremely favorable ratio between the outer dimensions, that is, the bearing width BL and the bearing outer diameter Ü3, and the radial and axial forces that can be absorbed.

Abstract

The invention relates to an angular contact plain bearing, comprising an inner ring (2) and an outer ring (3) as bearing rings (2, 3), which each have a conical sliding surface (7, 8). At least one of the bearing rings (2, 3) is manufactured from a rolling bearing steel.

Description

Schräggleitlager Angular contact sliding bearing
Die Erfindung betrifft ein zur Aufnahme von Radial- und Axialkräften ausgebildetes Schräggleitlager nach dem Oberbegriff des Anspruchs 1 . The invention relates to an angular contact sliding bearing designed to absorb radial and axial forces according to the preamble of claim 1.
Ein derartiges Schräggleitlager ist beispielsweise aus der DE 10 2006 013275 B4 be kannt. Es handelt sich hierbei um ein für die Anwendung in Wasserfahrzeugen vorge sehenes Gleitlager. Ein Schräggleitlager ist in diesem Fall mit einem Radialgleitlager kombiniert, wobei es sich bei dem Radialgleitlager um ein Lager größeren Lagerspiels handelt. Das Radialgleitlager soll als Anlauflager fungieren und im Laufe des Betriebs durch das Schräglager komplett entlastet werden. Such an angular contact sliding bearing is known, for example, from DE 10 2006 013275 B4. This is a slide bearing intended for use in watercraft. In this case, an angular contact sliding bearing is combined with a radial sliding bearing, the radial sliding bearing being a bearing with a larger bearing clearance. The radial plain bearing should act as a thrust bearing and be completely relieved in the course of operation by the angular contact bearing.
Ein für die Anwendung in einer Windkraftanlage vorgesehenes Schräggleitlager ist beispielsweise in der AT 513516 B1 offenbart. In diesem Fall ist eine konische Gleitla gerbuchse zwischen einer Achse und einem Zahnrad angeordnet. Das Zahnrad und die Gleitlagerbuchse sind durch einen konischen Presssitz miteinander verbunden. An angular contact sliding bearing intended for use in a wind power plant is disclosed, for example, in AT 513516 B1. In this case, a conical Gleitla gerbuchse is arranged between an axis and a gear. The gear wheel and the plain bearing bush are connected to one another by a conical press fit.
Mehrreihige, als Schräggleitlager ausgebildete Lageranordnungen, welche in radialer Richtung sowie in beiden Axialrichtungen belastbar sind, sind beispielsweise aus den Dokumenten DE 102017 222 901 A1 , DE 10 2017 223 370 A1 , WO 2018/071941 A1 und WO 2017/162679 A1 bekannt. Multi-row bearing arrangements designed as angular contact sliding bearings, which can be loaded in the radial direction and in both axial directions, are known, for example, from the documents DE 102017 222 901 A1, DE 10 2017 223 370 A1, WO 2018/071941 A1 and WO 2017/162679 A1.
Der Erfindung liegt die Aufgabe zugrunde, ein gegenüber dem genannten Stand der Technik weiterentwickeltes, radial und zumindest einseitig axial belastbares Schräg gleitlager anzugeben, welches sich durch ein besonders günstiges Verhältnis zwi schen Fertigungsaufwand und Belastbarkeit auszeichnet und insbesondere für An wendungen geeignet ist, in denen die zueinander gelagerten Teile lediglich Schwenk bewegungen mit geringen Schwenkwinkeln ausführen. Diese Aufgabe wird erfindungsgemäß gelöst durch ein Schräggleitlager mit den Merkmalen des Anspruchs 1. Das Schräggleitlager weist mehrere Lagerringe, nämlich mindestens einen Innenring und mindestens einen Außenring, auf, wobei jeder Lager ring eine konische Gleitfläche aufweist, über welche Radial- sowie Axialkräfte über tragbar sind. Mindestens einer der Lagerringe ist aus einem Wälzlagerstahl gefertigt. The invention is based on the object of providing a further developed, radially and at least one-sided axially loadable angular contact sliding bearing, which is characterized by a particularly favorable relationship between the manufacturing effort and resilience and is particularly suitable for applications in which the to each other mounted parts only execute swivel movements with small swivel angles. This object is achieved according to the invention by an angular contact sliding bearing with the features of claim 1. The angular contact sliding bearing has several bearing rings, namely at least one inner ring and at least one outer ring, each bearing ring having a conical sliding surface via which radial and axial forces can be carried . At least one of the bearing rings is made from a rolling bearing steel.
Wälzlagerstähle sind in der Norm DIN EN ISO 683-17:2014 genormt und wie ihr Name schon sagt zur Verwendung in Wälzlagern vorgesehen. Bei Wälzlagerstählen sind den für eine Wärmebehandlung bestimmten Stählen, legierten Stählen und Au tomatenstählen zuzurechnen. Unterschieden wird zwischen durchhärtenden Wälzla gerstählen, einsatzhärtenden Wälzlagerstählen, unlegierten oder legierten induktions härtenden Wälzlagerstählen, nichtrostenden Wälzlagerstählen und warmharten Wälz lagerstählen. Rolling bearing steels are standardized in the DIN EN ISO 683-17: 2014 standard and, as their name suggests, are intended for use in rolling bearings. In the case of roller bearing steels, the steels, alloyed steels and automatic steels intended for heat treatment are included. A distinction is made between through-hardening roller bearing steels, case-hardening roller bearing steels, unalloyed or alloyed induction-hardening roller bearing steels, rustproof roller bearing steels and hot-hard roller bearing steels.
Die in Wälzlagern auftretenden mechanischen Belastungen, nämlich Wälzbelastun gen, unterscheiden sich grundlegend von den in Gleitlagern auftretenden Belastungs zuständen. Es hat sich gezeigt, dass dennoch gerade für Schräggleitlager, die insbe sondere als Ersatz für Schrägwälzlager in Betracht kommen, die Verwendung eines Wälzlagerstahls als Werkstoff eines Lagerrings oder aller Lagerringe Vorteile sowohl in fertigungstechnischer Hinsicht als auch beim Betrieb des Lagers bietet. Dies gilt be sonders für Anwendungen, in denen keine oder nur vernachlässigbare Fluchtungsfeh ler zwischen den relativ zueinander gelagerten Teilen auftreten. The mechanical loads that occur in roller bearings, namely Wälzlastun conditions, differ fundamentally from the load conditions that occur in plain bearings. It has been shown that the use of a bearing steel as the material of a bearing ring or all bearing rings offers advantages both in terms of production engineering and in the operation of the bearing, especially for angular contact sliding bearings, which are particularly suitable as a replacement for angular contact rolling bearings. This is especially true for applications in which no or only negligible misalignments occur between the parts that are mounted relative to one another.
Zur Herstellung eines Lagerrings oder mehrerer Lagerringe des Schräggleitlagers, insbesondere aller Lagerringe des Schräggleitlagers, kommen unter anderem folgen de Wälzlagerstähle in Betracht: For the production of a bearing ring or several bearing rings of the angular contact sliding bearing, in particular all bearing rings of the angular contact sliding bearing, the following roller bearing steels can be considered:
Durchhärtende Wälzlagerstähle: Through hardening rolling bearing steels:
100Cr6, 100CrMnSi4-4, 100CrMnSi6-4, 100CrMnSi6-6, 100CrMo7, 100CrMo7-3, 100CrMo7-4, 100CrMnMoSi8-4-6 Einsatzstähle: 100Cr6, 100CrMnSi4-4, 100CrMnSi6-4, 100CrMnSi6-6, 100CrMo7, 100CrMo7-3, 100CrMo7-4, 100CrMnMoSi8-4-6 Case hardening steels:
20Cr3, 2004, 20MnO4-2, 17MnCr5, 19MnCr5, 15CrMo4, 20CrMo4, 20MnCrMo4-2, 20MnNiCrMo3-2, 20NiCrMo7, 18CrNiMo7-6, 18NiCrMo14-6, 16NiCrMo16-5 20Cr3, 2004, 20MnO4-2, 17MnCr5, 19MnCr5, 15CrMo4, 20CrMo4, 20MnCrMo4-2, 20MnNiCrMo3-2, 20NiCrMo7, 18CrNiMo7-6, 18NiCrMo14-6, 16NiCrMo14-6
Induktionshärtende Wälzlagerstähle: C56E2, 56Mn4, 70Mn4, 43CrMo4 Induction hardening rolling bearing steels: C56E2, 56Mn4, 70Mn4, 43CrMo4
Nichtrostende Wälzlagerstähle: Stainless rolling bearing steels:
X47Cr14, X65014, X108CrMo17, X40CrMoVN16-2, X89CrMoV18-1 X47Cr14, X65014, X108CrMo17, X40CrMoVN16-2, X89CrMoV18-1
Warmharte Wälzlagerstähle: Hot-hard rolling bearing steels:
33CrMoV12-9, 80MoCrV42-16, 19MoCrNi42-16-14, X82WMoCrV6-5-4, X75W V18- 4-1 33CrMoV12-9, 80MoCrV42-16, 19MoCrNi42-16-14, X82WMoCrV6-5-4, X75W V18- 4-1
Weiter sind als Wälzlagerstähle, die zur Herstellung von Lagerringen des Schrägwälz lagers geeignet sind, die Stähle M50 (Werkstoffnummer 1.3551 ) und M50NiL (Werk stoffnummer 1 .3590) sowie X30CrMoN15-1 (Werkstoffn ummer 1 .4108) zu nennen. Rolling bearing steels that are suitable for the production of bearing rings for angular contact bearings are steels M50 (material number 1.3551) and M50NiL (material number 1.3590) and X30CrMoN15-1 (material number 1.4108).
Ein einzelner Lagerring des Schräggleitlagers oder eine Mehrzahl an Lagerringen, insbesondere die Gesamtheit der das Schräggleitlager bildenden Lagerringe, kann hartverchromt sein. Unabhängig von einer Oberflächenbehandlung oder Beschichtung von Lagerringen kann anstelle eines inneren Lagerrings des Schräggleitlagers auch eine massive Welle, welche mindestens eine konische Gleitfläche aufweist, vorgese hen sein. A single bearing ring of the angular contact sliding bearing or a plurality of bearing rings, in particular the entirety of the bearing rings forming the angular contact sliding bearing, can be hard chrome-plated. Regardless of a surface treatment or coating of bearing rings, a solid shaft, which has at least one conical sliding surface, can also be provided instead of an inner bearing ring of the angular contact sliding bearing.
Unabhängig von der Geometrie der Lagerringe kann mindestens ein Lagerring mit ei nem Gleitbelag versehen sein. Gemäß einer möglichen Ausgestaltung umfasst ein solcher Gleitbelag ein Gewebe aus PTFE (Polytetrafluorethylen), welches in eine Harzmatrix eingebettet ist. Was Verfahren zur Herstellung von Gleitbelägen betrifft, wird beispielhaft auf die DE 102013223 679 A1 hingewiesen. Mit einem PTFE ent haltenden Gleitbelag ist das Schräggleitlager als wartungsfreies Gleitlager auslegbar. Regardless of the geometry of the bearing rings, at least one bearing ring can be provided with a sliding coating. According to a possible embodiment, such a sliding coating comprises a fabric made of PTFE (polytetrafluoroethylene) which is embedded in a resin matrix. As regards processes for the production of sliding linings, reference is made to DE 102013223 679 A1 as an example. With a sliding coating containing PTFE, the angular contact sliding bearing can be designed as a maintenance-free sliding bearing.
Grundsätzlich kann es sich bei dem Schräggleitlager entweder um ein im Laufe der Betriebsdauer wiederkehrend zu schmierendes oder um ein wartungsfreies Lager handeln. Eine Schmierung auf Lebensdauer ist in grundsätzlich bekannter Weise bei spielsweise mit Hilfe eines Festschmierstoffs, welcher im Zuge der Herstellung des Schräggleitlagers appliziert wird, möglich. In principle, the angular contact sliding bearing can either be a bearing that has to be lubricated repeatedly over the course of its operating life or a maintenance-free bearing. A lifetime lubrication is possible in a basically known manner, for example with the aid of a solid lubricant which is applied in the course of the manufacture of the angular contact sliding bearing.
Optional umfasst das Schräggleitlager mindestens eine zwischen zwei Lagerringen wirksame Dichtung. Eine Abdichtung ist insbesondere in Fällen vorgesehen, in denen als Gleitkontakt des Schräggleitlagers ein Stahl-Stahl-Kontakt existiert. Grundsätzlich kann das Schräggleitlager entweder zu einer einzigen Axialseite hin oder zu beiden Axialseiten hin abgedichtet sein. Optionally, the angular contact sliding bearing comprises at least one seal effective between two bearing rings. A seal is provided in particular in cases in which there is a steel-steel contact as the sliding contact of the angular contact sliding bearing. In principle, the angular contact sliding bearing can be sealed either on a single axial side or on both axial sides.
Der Druckwinkel des Schräggleitlager beträgt gemäß verschiedener möglicher Ausge staltungen mindestens 18° und höchstens 33°, beispielsweise mindestens 24° und höchstens 27°, insbesondere 25°. Das Schräggleitlager ist damit überwiegend zur Aufnahme radialer Belastungen ausgelegt. According to various possible configurations, the contact angle of the angular contact sliding bearing is at least 18 ° and at most 33 °, for example at least 24 ° and at most 27 °, in particular 25 °. The angular contact sliding bearing is therefore mainly designed to absorb radial loads.
Gemäß einer vorteilhaften Weiterbildung ist das Schräggleitlager als in beiden axialen Richtungen wirksames Lager ausgebildet. Hierbei kann es sich entweder um ein mehrreihiges Lager in X-Anordnung oder um ein mehrreihiges Lager in O-Anordnung handeln. Das Schräggleitlager ist beispielsweise zur Verwendung in einer Landma schine vorgesehen. According to an advantageous development, the angular contact sliding bearing is designed as a bearing that is effective in both axial directions. This can either be a multi-row bearing in an X-arrangement or a multi-row bearing in an O-arrangement. The angular contact sliding bearing is intended for use in a Landma machine, for example.
Nachfolgend werden mehrere Ausführungsbeispiele der Erfindung anhand einer Zeichnung näher erläutert. Hierin zeigen: Several exemplary embodiments of the invention are explained in more detail below with reference to a drawing. Show here:
Fig. 1 ein erstes Ausführungsbeispiel eines Schräggleitlagers, Fig. 2 und 3 verschiedene Ausführungsbeispiele zweireihiger Schräggleitlager, 1 shows a first embodiment of an angular contact sliding bearing, 2 and 3 different embodiments of double-row angular contact sliding bearings,
Fig. 4 ein weiteres Ausführungsbeispiel eines Schräggleitlagers. 4 shows a further exemplary embodiment of an inclined sliding bearing.
Die folgenden Erläuterungen beziehen sich, soweit nicht anders angegeben, auf sämt liche Ausführungsbeispiele. Einander entsprechende oder prinzipiell gleichwirkende Teile sind in allen Figuren mit den gleichen Bezugszeichen gekennzeichnet. Unless otherwise stated, the following explanations relate to all of the exemplary embodiments. Parts which correspond to one another or have the same effect in principle are identified in all figures with the same reference symbols.
Ein insgesamt mit dem Bezugszeichen 1 gekennzeichnetes Schräggleitlager umfasst mindestens einen Innenring 2 und mindestens einen Außenring 3 als Lagerringe 2, 3. Durch die Lagerringe 2, 3 sind konische Gleitflächen 7, 8 gebildet. Das Schräggleitla ger 1 ist damit zur Aufnahme radialer Lasten sowie axialer Lasten, zumindest in einer Axialrichtung, ausgebildet. Der mit bezeichnete Druckwinkel des Schräggleitlagers 1 beträgt in den Ausführungsbeispielen 25°. Der Druckwinkel ist entsprechend der gängigen Definition zwischen einer Drucklinie DL und einer Radialebene RE zu mes sen. Die mit MA bezeichnete Mittelachse des Schräggleitlagers 1 stellt eine Flächen normale der Radialebene RE dar. Der Innenring 2 weist einen Innendurchmesser d2 und einen Außendurchmesser D2 auf, der Außenring 3 einen Innendurchmesser d3 und einen Außendurchmesser D3. Die Breite der Lagerringe 2, 3 ist mit B2, B3 ange geben. In den Ausführungsbeispielen nach den Figuren 1 und 4 entspricht die mit BL angegebene Lagerbreite des gesamten Schräggleitlagers 1 der Breite B2 des Innen rings 2. Dagegen beträgt in den Ausführungsbeispielen nach den Figuren 2 und 3 die Lagerbreite BL mehr als das Doppelte der Innenringbreite B2. An angular contact sliding bearing, identified as a whole by the reference number 1, comprises at least one inner ring 2 and at least one outer ring 3 as bearing rings 2, 3. The bearing rings 2, 3 form conical sliding surfaces 7, 8. The oblique sliding bearing 1 is thus designed to absorb radial loads and axial loads, at least in one axial direction. The designated pressure angle of the angular contact sliding bearing 1 is 25 ° in the exemplary embodiments. The pressure angle is to be measured according to the usual definition between a pressure line DL and a radial plane RE. The center axis, labeled MA, of the angular contact sliding bearing 1 represents a surface normal to the radial plane RE. The inner ring 2 has an inner diameter d2 and an outer diameter D2, the outer ring 3 an inner diameter d3 and an outer diameter D3. The width of the bearing rings 2, 3 is given with B2, B3. In the exemplary embodiments according to FIGS. 1 and 4, the bearing width indicated by BL of the entire angular contact sliding bearing 1 corresponds to the width B2 of the inner ring 2. In contrast, in the exemplary embodiments according to FIGS. 2 and 3, the bearing width BL is more than twice the inner ring width B2.
In allen Ausführungsbeispielen sind sämtliche Lagerringe 2, 3, abgesehen von even tuellen Beschichtungen oder Belägen, auf welche im Folgenden noch eingegangen wird, aus gehärtetem Wälzlagerstahl gefertigt. Im Vergleich zu entsprechend dimensi onierten Wälzlagern können die Schräggleitlager 1 wesentlich höhere Kräfte aufneh men. Beispielsweise kann das Schräggleitlager 1 ein Schrägkugellager oder ein Ke gelrollenlager ersetzen. Das Schräggleitlager 1 eignet sich in allen dargestellten Vari- anten auch für Anwendungen, in denen lediglich geringe Schwenkbewegungen zwi schen den Lagerringen 2, 3 auftreten. Ein Risiko von Stillstandsmarkierungen (false brinelling) ist, anders als bei Wälzlagern, prinzipbedingt nicht gegeben. Je nach An wendung kann es sich entweder beim Innenring 2 oder beim Außenring 3 um den drehenden Lagerring 2, 3 handeln. Auch eine Rotation beider Lagerringe 2, 3 ist prin zipiell möglich. In all the exemplary embodiments, all bearing rings 2, 3, apart from any coatings or coverings which will be discussed below, are made of hardened roller bearing steel. Compared to correspondingly dimensioned rolling bearings, the angular contact plain bearings 1 can absorb significantly higher forces. For example, the angular contact sliding bearing 1 can replace an angular contact ball bearing or a cone roller bearing. The angular contact sliding bearing 1 is suitable in all of the illustrated variants antennas also for applications in which only slight pivoting movements between tween the bearing rings 2, 3 occur. In contrast to rolling bearings, there is no risk of standstill markings (false brinelling) due to the principle involved. Depending on the application, either the inner ring 2 or the outer ring 3 can be the rotating bearing ring 2, 3. Rotation of the two bearing rings 2, 3 is also possible in principle.
Die Gleitfläche 7 des Innenrings 2 ist in allen Ausführungsbeispielen hartverchromt. Was Hartverchromungen in Lageranordnungen betrifft, wird zum Stand der Technik beispielhaft auf die DE 10 2008 029 449 A1 hingewiesen. Der in Figur 1 erkennbare Gleitbelag 4 weist ein PTFE-Gewebe auf, welches in eine Harzmatrix eingebettet ist. Derartige Gleitbeläge werden von der Anmelderin unter der Bezeichnung ELGOGLI- DE vermarktet. Im Fall des Schräggleitlagers 1 nach Figur 1 beträgt die Dicke des auf den Außenring 3 aufgeklebten Gleitbelags 4 ca. 0,5 mm. Aufgrund der konischen Form der Gleitfläche 7 des Innenrings 2 sowie der durch den Gleitbelag 4 gebildeten Gleitfläche 8 des Außenrings 3 ist das Schräggleitlager 1 ausschließlich zum Betrieb ohne Verkippungen zwischen den Lagerringen 2, 3 vorgesehen. The sliding surface 7 of the inner ring 2 is hard chrome-plated in all exemplary embodiments. As far as hard chrome plating in bearing arrangements is concerned, reference is made to DE 10 2008 029 449 A1 as an example of the prior art. The sliding coating 4 that can be seen in FIG. 1 has a PTFE fabric which is embedded in a resin matrix. Such sliding linings are marketed by the applicant under the name ELGOGLIDE. In the case of the inclined sliding bearing 1 according to FIG. 1, the thickness of the sliding coating 4 glued onto the outer ring 3 is approximately 0.5 mm. Due to the conical shape of the sliding surface 7 of the inner ring 2 and the sliding surface 8 of the outer ring 3 formed by the sliding coating 4, the angular contact sliding bearing 1 is intended exclusively for operation without tilting between the bearing rings 2, 3.
Im Unterschied zum Schräggleitlager 1 nach Figur 1 ist das Schräggleitlager 1 nach Figur 2 beidseitig axial belastbar. In diesem Fall stellt das Schräggleitlager 1 ein mehr reihiges Lager in O-Anordnung dar. Die zwei durch insgesamt vier Lagerringe 2, 3 ge bildeten Lagerringreihen des Schräggleitlagers 1 nach Figur 2 sind mit 5, 6 bezeich net. Die Drucklinien DL der beiden Lagerringreihen 5, 6 schneiden die Mittelachse MA, wie aus Figur 2 hervorgeht, jeweils in einer Radialebene RE, welche sich vor ei ner der Stirnseiten des Schräggleitlagers 1 befindet. In nicht dargestellter Weise be findet sich auch beim Schräggleitlager 1 nach Figur 2 ein Gleitbelag 4 auf jedem Au ßenring 3. Zwischen den beiden Außenringen 3 kann ein nicht dargestellter Distanz ring angeordnet sein. Alternativ ist eine einstückige Verbindung beider Außenringe 3 möglich. Insbesondere können die Außenringe 3 Teil eines Gehäuses sein. In contrast to the angular contact sliding bearing 1 according to FIG. 1, the angular contact sliding bearing 1 according to FIG. 2 can be axially loaded on both sides. In this case, the angular contact sliding bearing 1 represents a multi-row bearing in an O arrangement. The two bearing ring rows of the angular contact sliding bearing 1 according to FIG. 2, formed by a total of four bearing rings 2, 3, are denoted by 5, 6. The pressure lines DL of the two rows of bearing rings 5, 6 intersect the central axis MA, as can be seen from FIG. In a manner not shown, there is also a sliding coating 4 on each outer ring 3 in the angular contact sliding bearing 1 according to FIG. 2. A spacer ring (not shown) can be arranged between the two outer rings 3. Alternatively, a one-piece connection of the two outer rings 3 is possible. In particular, the outer rings 3 can be part of a housing.
Das Schräggleitlager 1 nach Figur 3 unterscheidet sich vom Ausführungsbeispiel nach Figur 2 dadurch, dass statt einer O-Anordnung eine X-Anordnung gegeben ist. In die- sem Fall liegt der Schnittpunkt zwischen den Drucklinien DL und der Mittelachse MA zwischen den beiden Lagerringreihen 5, 6. Ebenso wie in der Bauform nach Figur 2 können auch im Ausführungsbeispiel nach Figur 3 Axialkräfte in beiden Richtungen aufgenommen werden. Des Weiteren ist sowohl das Schräggleitlager 1 nach Figur 2 als auch das Schräggleitlager 1 nach Figur 3 in der Lage, Kippbelastungen aufzu nehmen. Im Fall von Figur 3 können die beiden Innenringe 2 einstückig miteinander verbunden oder unmittelbar durch eine Welle gebildet sein. The angular contact sliding bearing 1 according to FIG. 3 differs from the exemplary embodiment according to FIG. 2 in that, instead of an O-arrangement, there is an X-arrangement. In the- In this case, the point of intersection between the pressure lines DL and the central axis MA lies between the two rows of bearing rings 5, 6. As in the design according to FIG. 2, axial forces can also be absorbed in both directions in the exemplary embodiment according to FIG. Furthermore, both the angular contact sliding bearing 1 according to FIG. 2 and the angular contact sliding bearing 1 according to FIG. 3 are able to absorb tilting loads. In the case of FIG. 3, the two inner rings 2 can be connected to one another in one piece or formed directly by a shaft.
Das Schräggleitlager 1 nach Figur 4 unterscheidet sich von den Ausführungsbeispie- len nach den Figuren 1 bis 3 dadurch, dass kein nichtmetallischer Gleitbelag 4 vorge sehen ist, sondern beide Gleitflächen 7, 8 durch metallische, zu schmierende Oberflä chen gebildet sind. Beide Gleitfläche 7, 8 sind hartverchromt. Zur Abdichtung sind Dichtungen 9, 10 vorgesehen, welche in Ausnehmungen des Außenrings 3 eingesetzt sind. Ebenso wie das Ausführungsbeispiel nach Figur 1 ist auch Schräggleitlager 1 nach Figur 4 zur einseitigen Aufnahme von Axialbelastungen ausgebildet. In nicht dargestellter Weise kann das Schräggleitlager 1 nach Figur 4 mit einem weiteren, gleichartigen Schräggleitlager 1 kombiniert werden, so dass sich eine mehrreihige La geranordnung, wie in den Figuren 2 und 3 skizziert, ergibt. Entsprechendes gilt für das Schräggleitlager 1 nach Figur 1. In allen Fällen ist ein äußerst günstiges Verhältnis zwischen den Außenabmessungen, das heißt der Lagerbreite BL und dem Lagerau ßendurchmesser Ü3, und den aufnehmbaren Radial- und Axialkräften gegeben. The angular contact sliding bearing 1 according to FIG. 4 differs from the exemplary embodiments according to FIGS. 1 to 3 in that no non-metallic sliding coating 4 is provided, but rather both sliding surfaces 7, 8 are formed by metallic surfaces to be lubricated. Both sliding surfaces 7, 8 are hard chrome-plated. Seals 9, 10, which are inserted into recesses in the outer ring 3, are provided for sealing. Like the exemplary embodiment according to FIG. 1, the angular contact sliding bearing 1 according to FIG. 4 is also designed to absorb axial loads on one side. In a manner not shown, the angular contact sliding bearing 1 according to FIG. 4 can be combined with a further, similar angular contact sliding bearing 1, so that a multi-row bearing arrangement, as sketched in FIGS. 2 and 3, results. The same applies to the angular contact sliding bearing 1 according to FIG. 1. In all cases, there is an extremely favorable ratio between the outer dimensions, that is, the bearing width BL and the bearing outer diameter Ü3, and the radial and axial forces that can be absorbed.
Bezuqszeichenliste Reference list
1 Schräggleitlager 1 angular contact sliding bearing
2 Innenring 2 inner ring
3 Außenring 3 outer ring
4 Gleitbelag 4 sliding surface
5 Lagerringreihe 5 row of bearing rings
6 Lagerringreihe 6 row of bearing rings
7 Gleitfläche des Innenrings 7 Sliding surface of the inner ring
8 Gleitfläche des Außenrings 8 Outer ring sliding surface
9 Dichtung 9 seal
10 Dichtung 10 seal
Druckwinkel Pressure angle
B2 Breite des Innenrings B2 width of the inner ring
B3 Breite des Außenrings B3 Width of the outer ring
BL Lagerbreite BL bearing width
DL Drucklinie d2 Innendurchmesser des Innenrings d3 Innendurchmesser des Außenrings DL pressure line d2 inner diameter of the inner ring d3 inner diameter of the outer ring
D2 Außendurchmesser des Innenrings D2 outer diameter of the inner ring
Ü3 Außendurchmesser des Außenrings Ü3 outer diameter of the outer ring
MA Mittelachse MA central axis
RE Radialebene RE radial plane

Claims

Patentansprüche Claims
1. Schräggleitlager, mit einem Innenring (2) und einem Außenring (3) als Lager ringen (2, 3), welche jeweils eine konische Gleitfläche (7, 8) aufweisen, dadurch gekennzeichnet, dass zumindest einer der Lagerringe aus einem Wälzlagerstahl gefertigt ist. 1. Angular contact sliding bearing, with an inner ring (2) and an outer ring (3) as a bearing rings (2, 3), each of which has a conical sliding surface (7, 8), characterized in that at least one of the bearing rings is made of a rolling bearing steel .
2. Schräggleitlager nach Anspruch 1 , dadurch gekennzeichnet, dass der Wälz lagerstahl aus einer Gruppe an Wälzlagerstählen ausgewählt ist, welche fol genden Stähle umfasst: 2. Angular contact sliding bearing according to claim 1, characterized in that the rolling bearing steel is selected from a group of rolling bearing steels which includes the following steels:
10006, 100CrMnSi4-4, 100CrMnSi6-4, 100CrMnSi6-6, 100CrMo7, 100CrMo7-3, 100CrMo7-4, 100CrMnMoSi8-4-6, 10006, 100CrMnSi4-4, 100CrMnSi6-4, 100CrMnSi6-6, 100CrMo7, 100CrMo7-3, 100CrMo7-4, 100CrMnMoSi8-4-6,
2003, 2004, 20MnO4-2, 17Mn05, 19Mn05, 150Mo4, 200Mo4, 20MnCrMo4-2, 20MnNiCrMo3-2, 20NiOMo7, 18CrNiMo7-6, 18NiCrMo14-6, 16NiCrMo16-5, 2003, 2004, 20MnO4-2, 17Mn05, 19Mn05, 150Mo4, 200Mo4, 20MnCrMo4-2, 20MnNiCrMo3-2, 20NiOMo7, 18CrNiMo7-6, 18NiCrMo14-6, 16NiCrMo16-5,
C56E2, 56Mn4, 70Mn4, 43CrMo4, C56E2, 56Mn4, 70Mn4, 43CrMo4,
X47CM4, X65Cr14, X108CrMo17, X40CrMoVN16-2, X89CrMoV18-1 ,X47CM4, X65Cr14, X108CrMo17, X40CrMoVN16-2, X89CrMoV18-1,
33CrMoV12-9, 80MoCrV42-16, 19MoONi42-16-14, X82WMoCrV6-5-4, X75WCrV1 8-4-1, 33CrMoV12-9, 80MoCrV42-16, 19MoONi42-16-14, X82WMoCrV6-5-4, X75WCrV1 8-4-1,
M50, M50NiL, X300MoN15-1 M50, M50NiL, X300MoN15-1
3. Schräggleitlager nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zumindest einer der Lagerringe (2, 3) hartverchromt ist. 3. Angular contact sliding bearing according to claim 1 or 2, characterized in that at least one of the bearing rings (2, 3) is hard chrome-plated.
4. Schräggleitlager nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass einer der Lagerringe (2, 3) mit einem Gleitbelag (4) versehen ist. 4. Angular contact sliding bearing according to one of claims 1 to 3, characterized in that one of the bearing rings (2, 3) is provided with a sliding coating (4).
5. Schräggleitlager nach Anspruch 4, dadurch gekennzeichnet, dass der Gleit belag (4) PTFE aufweist. 5. Angular contact sliding bearing according to claim 4, characterized in that the sliding lining (4) comprises PTFE.
6. Schräggleitlager nach einem der Ansprüche 1 bis 5, gekennzeichnet durch mindestens eine zwischen den Lagerringen (2, 3) wirksame Dichtung (9, 10). 6. Angular contact sliding bearing according to one of claims 1 to 5, characterized by at least one between the bearing rings (2, 3) effective seal (9, 10).
7. Schräggleitlager nach einem der Ansprüche 1 bis 6, gekennzeichnet durch einen Druckwinkel ( ) von mindestens 18° und höchstens 33°. 7. Angular contact sliding bearing according to one of claims 1 to 6, characterized by a pressure angle () of at least 18 ° and at most 33 °.
8. Schräggleitlager nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass dieses als in beiden axialen Richtungen wirksames Lager ausgebildet ist. 8. Angular contact sliding bearing according to one of claims 1 to 7, characterized in that it is designed as an effective bearing in both axial directions.
9. Schräggleitlager nach Anspruch 8, dadurch gekennzeichnet, dass dieses als Lager in X-Anordnung ausgebildet ist. 9. Angular contact sliding bearing according to claim 8, characterized in that it is designed as a bearing in an X arrangement.
10. Schräggleitlager nach Anspruch 8, dadurch gekennzeichnet, dass dieses als10. angular contact sliding bearing according to claim 8, characterized in that this as
Lager in O-Anordnung ausgebildet ist. Bearing is designed in an O-arrangement.
PCT/DE2021/100475 2020-06-24 2021-06-02 Angular contact plain bearing WO2021259414A1 (en)

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