WO2019204844A1 - Lamelle de friction - Google Patents

Lamelle de friction Download PDF

Info

Publication number
WO2019204844A1
WO2019204844A1 PCT/AT2019/060133 AT2019060133W WO2019204844A1 WO 2019204844 A1 WO2019204844 A1 WO 2019204844A1 AT 2019060133 W AT2019060133 W AT 2019060133W WO 2019204844 A1 WO2019204844 A1 WO 2019204844A1
Authority
WO
WIPO (PCT)
Prior art keywords
friction
friction plate
friction lining
axial direction
support ring
Prior art date
Application number
PCT/AT2019/060133
Other languages
German (de)
English (en)
Inventor
Volker Föge
Falk Nickel
David PÜHRINGER
Gerald Schachinger
Original Assignee
Miba Frictec Gmbh
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 Miba Frictec Gmbh filed Critical Miba Frictec Gmbh
Priority to DE112019002109.5T priority Critical patent/DE112019002109A5/de
Priority to CN201980025502.0A priority patent/CN112088255A/zh
Publication of WO2019204844A1 publication Critical patent/WO2019204844A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
    • F16D55/26—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
    • F16D55/36—Brakes with a plurality of rotating discs all lying side by side
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/648—Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/72—Features relating to cooling
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/127—Discs; Drums for disc brakes characterised by properties of the disc surface; Discs lined with friction material
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes
    • F16D65/853—Features relating to cooling for disc brakes with closed cooling system
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1356—Connection interlocking
    • F16D2065/1364—Connection interlocking with relative movement axially
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples

Definitions

  • the invention relates to a friction plate with a planar support ring surface having a first Oberflä and a second surface, wherein on the first surface an annular friction lining is arranged.
  • Friction blades for Lamellenreibsysteme are known per se from the prior art.
  • friction plates can be designed with or without friction lining. Further, they may be formed as an outer or In nenlamelle.
  • the friction plates are on Lamellenträägem and are brought together by an actuating device, if necessary, in frictional engagement.
  • annular straining sintered friction linings or composite friction linings are frequently used.
  • Composite friction linings can also be segmented.
  • the friction linings a surface structure in Lorm a groove to ge ben, so as to improve the cooling of the friction linings by means of oil.
  • the present invention has for its object to provide friction plates available to Stel, which have a lower weight compared to known friction plates.
  • This object of the invention is achieved in the friction disc mentioned above in that in the first friction lining in the axial direction at least one opening is formed, which also extends through the support ring in the axial direction, wherein the opening spaced to an inner periphery and spaced to an outer periphery of the support ring is trained.
  • the friction plate can be provided that not only on one side of the support ring, a friction lining is arranged, but that on the second surface of the support ring, a second friction lining is arranged, and in this second friction lining in the axial direction at least one opening is formed, the extending in the axial direction through the support ring and the first friction lining, wherein the opening spaced from an inner periphery and spaced from an outer periphery of the support ring is formed. It can thus be realized for the above effects also for in two directions we kende friction blades.
  • the first friction lining is / are according to further embodiments
  • the at least one breakthrough can thus be made larger without Perfor mancelag, which in turn is associated with lower material consumption.
  • the breakthrough may have a circular or a teardrop-shaped or an oval or a polygonal or a slot-shaped cross section - in the axial direction - have. Due to the variability of the shape of the breakthrough, the friction behavior of the friction plate can be better adapted to friction plates in the form of solid rings, ie without the at least one breakthrough.
  • a plurality of extending in the axial direction through the friction plate breakthroughs are formed. It has been found to be advantageous if according to a variant of the friction plate to the number of breakthroughs is selected from a range of 2 to 50, in particular from a range of 2 to 22.
  • edges of the first and / or of the second friction lining are formed beveled following the at least one breakthrough.
  • the flow behavior of a cooling fluid can be improved through the breaks.
  • the multiple openings are formed at different radial height; several openings are formed in the same radial direction.
  • FIG. 1 shows a detail of a disk pack in side view
  • FIG. 3 shows a second first embodiment variant of a friction disk
  • Fig. 5 shows a detail of a variant of a friction blade cut in side view.
  • a section of a disk pack 1 is shown.
  • the disk pack 1 has a plurality of inner disks 2 and a plurality of outer disks 3, which can also be characterized as friction plates be.
  • the inner disks 2 are arranged alternately with the outer disks 3 in an axial direction 4. Via a corresponding actuating mechanism, the inner disks 2 are adjustable relative to the outer disks 3 in the axial direction 4, so that a frictional engagement is formed between the inner disks 2 and the outer disks 3.
  • the inner disks 2 have an at least approximately planar carrier ring 5 with a first surface 6 and one of these opposite in the axial direction 4 second surface 7. On the first and / or the second surface 6, 7 a friction lining 8 is arranged.
  • the inner plates 2 are so-called lining plates.
  • the outer plates 3 also have an at least approximately annular lamellar body 9, which is, however, free of friction linings 8 in the illustrated embodiment.
  • the outer disks 3 are therefore the so-called counter blades, which can be spent in frictional engagement with the friction linings 8 of the inner disk 2.
  • the friction linings 8 are arranged on the outer disks 3, in particular if no friction linings 8 are arranged on the inner disks 2.
  • the carrier ring 5 of the inner disk 2 and / or the disk body 9 of the outer disk 3 consists of a steel or include this.
  • they can also consist of another suitable, in particular metallic, material, for example of a sintered material.
  • the disk set 1 is part of a disk friction system, for example, a (wet-running) multi-plate clutch, a brake, a holding device, a differential lock, etc.
  • a first embodiment of a friction plate is shown as it is used in the La mellenver 1 of FIG. 1 or can be.
  • a uzelam elle 2 is shown.
  • the friction plate may also be an outer plate 3 (FIG. 1).
  • the friction plate is provided in particular for the so-called wet-running operation.
  • the friction plate may have at least one driver element 11, for example in the form of an internal toothing, on a radially inner end face 10.
  • the outer plates 3 on a radially outer end surface may have at least one driver element. If, therefore, the friction disk according to FIG. 2 is designed as an outer disk 3, the at least one driver element is arranged on the radially outer end face of the friction disk.
  • a rotationally fixed connection with another component of the Lamella friction system such as a shaft in the case of the inner disk 2 or the housing of the disk friction system in the case of the outer lamella 3, are produced, as is well known.
  • the inner disks 2 or the outer disks 3 are thus formed so-called free-flying blades, so have no such driver elements 11.
  • the support ring 5 (Fig. 1) of the friction plate is closed out in a circumferential direction 12 forms.
  • the carrier ring 5 is integrally formed. But it is also possible that the support ring 5 is composed of a plurality of interconnected segments.
  • a first friction lining 8 is arranged on the first surface 6 of the carrier ring 5 (FIG. 1) and connected thereto. As can be seen from Fig. 2, the first friction lining 8 is preferably net angeord on the entire first surface 6 of the support ring 5. Furthermore, the first friction lining 8 preferably extends continuously in the circumferential direction 12, that is to say preferably also in the form of a ring. It is therefore preferred that only a first friction lining 8 is arranged on the first surface 6 of the carrier ring 5.
  • the first friction lining 8 is a spreading friction lining.
  • the grit sintering technology per se is known from the prior art, so reference is made here to further details of this technology. It should be noted at this point only so much that it is scattered on a support carrier ring 5 a ge for the friction blade suitable sintered powder and sintered onto the support ring 5. Thereafter, this covering are compacted and thereby grooves for cooling the Reibelamelle pressed pressed. Subsequently, the coating can be subjected to a second sintering. If appropriate, an aftertreatment, e.g. a calibration of the friction plate, a deburring, etc., instead.
  • a second friction lining 8 (FIG. 1) can be arranged on the second surface 7 of the carrier ring 5 (FIG. Also, this second friction lining 8 is in accordance with a further Auscut tion variant of the friction plate preferably a stray sintered coating.
  • the foregoing Auscut ments for the first friction lining 5 can therefore be transferred to the second friction lining 8.
  • the friction lining 8 and the support ring 5 (Fig. 1) of the friction plate at least one opening 13 is provided or formed, in the axial direction 4 (Fig. 1) continuously through the friction lining and the carrier ring 5 extends.
  • the opening 13 through the friction lining 8 is formed in alignment with the opening 13 of the support ring 5. Further, the opening 13 is from both an outer periphery 14 and from an inner circumference 15 of the support ring 5 is formed.
  • the breakthrough 13 is thus vollum initially closed (viewed in the axial direction 4) formed, as can be seen from Figure 2 to it.
  • the above-described second friction lining 8 is arranged on the support ring 5 is preferably arranged or formed in this at least one opening 13.
  • the comments on the breakthrough 13 in the first friction lining 8 apply analogously to this breakthrough 13 in the second friction lining 8.
  • This breakthrough 13 is formed in alignment with the opening 13 in the first friction lining and in the support ring 5.
  • the friction plate Although only one opening 13 in the first friction lining 8 and in the support ring 5 and / or only one opening 13 in the second friction lining 8 and the support ring 5 is formed in the embodiment of the friction plate described above, according to a further embodiment of the friction plate is preferred that multiple openings 13 in the first friction lining 8 and in Trä gerring 5 and / or a plurality of openings 13 in the second friction lining 8 and the support ring 5 are formed from. Thus, a plurality of apertures 13 extending through the friction plate in the axial direction 4 are formed. In particular, the number of apertures 13 may be selected from a range of 2 to 50, preferably a range of 2 to 22.
  • the number of apertures may be selected from a range of 1 x to 10 times x, where x is defined as Ratio of the diameter of the carrier ring 5 on the outer circumference 14 / maximum width of the carrier ring 4 in the radial direction 16 (Fig. 4).
  • the apertures 13 have a circular cross section (viewed in the axial direction 4).
  • the opening 13 or the openings 13 may also have a different cross-sectional shape (viewed in the axial direction 4), as can be seen from FIGS. 3 and 4, which show further variant embodiments of the friction plate.
  • the opening 13 or the openings 13 may have an egg-shaped or teardrop-shaped (FIG. 3) or an oval or a polygonal, for example a triangular, a quadrangular, a hexagonal, or a slot-shaped cross section - viewed in the axial direction 4 - have ,
  • the schlitzfömige breakthrough 13 may be corrugated or rectilinear, as shown in FIG.
  • the plurality of openings 13 may be all the same in terms of their size, ie their surface area, and their shape of the cross section in the axial direction 4 considered. However, there is also the possibility that a plurality of openings 13 are arranged with different surface area and / or different shape, as shown by way of example in the right lower quadrant of the friction plate in Fig. 4.
  • the plurality of openings 13 are formed on different radi aler height, as exemplified in the lower left quadrant of Reibla melle in Fig. 4 is shown.
  • the plurality of apertures 13 may also be formed in the same radial direction, as shown in the transition from the lower left quadrant to the left upper quadrant of the friction plate in Fig. 4. It is possible in the latter embodiment of the friction plate, that all openings 13 of the same radial direction have the same size or a different size.
  • the openings 13 are formed from the inside to the outside with a largerêtnausdeh voltage.
  • a further embodiment of the friction plate is shown in fragmentary form, in which the edges 17 of the first and / or the second friction lining 8 are formed beveled after at least one breakthrough 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne une lamelle de friction pourvue d'un anneau porteur (5) planaire qui comporte une première surface (6) et une deuxième surface (7), une garniture de friction (8) annulaire étant agencée sur la première surface (6), et au moins un passage (13) qui s'étend également à travers l'anneau porteur (5) dans la direction axiale (4) étant aménagé dans la première garniture de friction (8) dans la direction axiale (4), le passage (13) étant réalisé à une certaine distance d'une circonférence intérieure (15) et à une certaine distance d'une circonférence extérieure (14) de l'anneau porteur (5).
PCT/AT2019/060133 2018-04-25 2019-04-18 Lamelle de friction WO2019204844A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112019002109.5T DE112019002109A5 (de) 2018-04-25 2019-04-18 Reiblamelle
CN201980025502.0A CN112088255A (zh) 2018-04-25 2019-04-18 摩擦片

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018002101.6U DE202018002101U1 (de) 2018-04-25 2018-04-25 Reiblamelle
DE202018002101.6 2018-04-25

Publications (1)

Publication Number Publication Date
WO2019204844A1 true WO2019204844A1 (fr) 2019-10-31

Family

ID=62251386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2019/060133 WO2019204844A1 (fr) 2018-04-25 2019-04-18 Lamelle de friction

Country Status (3)

Country Link
CN (1) CN112088255A (fr)
DE (2) DE202018002101U1 (fr)
WO (1) WO2019204844A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3938673B1 (fr) * 2019-03-13 2023-12-27 Miba Frictec GmbH Assemblage de friction
US11988259B2 (en) 2019-05-24 2024-05-21 Miba Frictec Gmbh Friction disc

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019008231A1 (de) * 2019-11-27 2021-05-27 Daimler Ag Stahllamelle für ein Reibschaltelement eines Kraftfahrzeugantriebsstrangs
US11708867B2 (en) 2021-01-26 2023-07-25 Borgwarner Inc. Power transfer component with clutch having components with geometry for increased strength and/or reduced mass

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1524214A (en) * 1917-05-28 1925-01-27 Charles R Short Clutch disk for motor-vehicle clutches
FR2549922A1 (fr) * 1983-07-25 1985-02-01 Valeo Fixation d'une garniture sur un disque de friction, notamment pour embrayage de vehicule automobile
DE102014208732A1 (de) * 2014-05-09 2015-11-12 Volkswagen Aktiengesellschaft Lamelle für eine Lamellenkupplung eines Kraftfahrzeugs
WO2018045405A1 (fr) * 2016-09-12 2018-03-15 Miba Frictec Gmbh Lamelle de friction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102935516A (zh) * 2011-08-15 2013-02-20 上海核威实业有限公司 一种烧结金属基摩擦片及其深加工生产工艺
DE102016201508A1 (de) * 2016-02-02 2017-08-03 Schaeffler Technologies AG & Co. KG Reibteil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1524214A (en) * 1917-05-28 1925-01-27 Charles R Short Clutch disk for motor-vehicle clutches
FR2549922A1 (fr) * 1983-07-25 1985-02-01 Valeo Fixation d'une garniture sur un disque de friction, notamment pour embrayage de vehicule automobile
DE102014208732A1 (de) * 2014-05-09 2015-11-12 Volkswagen Aktiengesellschaft Lamelle für eine Lamellenkupplung eines Kraftfahrzeugs
WO2018045405A1 (fr) * 2016-09-12 2018-03-15 Miba Frictec Gmbh Lamelle de friction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3938673B1 (fr) * 2019-03-13 2023-12-27 Miba Frictec GmbH Assemblage de friction
US11988259B2 (en) 2019-05-24 2024-05-21 Miba Frictec Gmbh Friction disc

Also Published As

Publication number Publication date
DE112019002109A5 (de) 2021-01-21
CN112088255A (zh) 2020-12-15
DE202018002101U1 (de) 2018-05-11

Similar Documents

Publication Publication Date Title
WO2019204844A1 (fr) Lamelle de friction
DE2822379C3 (de) Bremsscheibe für Scheibenbremsen, insbesondere Fahrzeugbremsen
EP2185833B1 (fr) Pièce de friction comprenant une rainure périphérique en zigzag ou ondulée pratiquée dans la surface de friction
AT519131B1 (de) Reiblamelle
DE102013216356B4 (de) Reibkupplungsanordnung
DE102012014811A1 (de) Reibteil für eine reibschlüssig arbeitende Einrichtung
DE102020110465A1 (de) Reiblamelle
DE102017124330A1 (de) Nasslaufende Lamellenkupplung
DE102018001877A1 (de) Lamellenkupplung, Lamelle für eine solche Lamellenkupplung, Verfahren zur Herstellung einer solchen Lamellenkupplung oder Lamelle
EP3144556A1 (fr) Dispositif de garniture de frein pour un frein a disque
DE102018129186A1 (de) Reibteil
AT518482B1 (de) Lamellenkupplung
DE102018130489A1 (de) Bremsscheibe mit Belüftung sowie Bremssystem mit Bremsscheibe
AT521575B1 (de) Reibvorrichtung
EP3179124B1 (fr) Lamelle de friction
AT522609B1 (de) Reibvorrichtung
DE2855702C2 (de) Scheibenbremse für Fahrzeuge
DE102017107209B4 (de) Reiblamelle aus mehreren miteinander verbundenen Segmenten
AT521205B1 (de) Verfahren zur Einstellung des Reibwerts einer Reiblamelle
DE102017107206A1 (de) Reiblamelle
AT520016B1 (de) Lamellenträger
DE102016109182B4 (de) Bremsscheibe und Bremssystem mit einem Bremsbelag
AT520115B1 (de) Reibvorrichtung
DE102015201623B4 (de) Reibpaarung sowie Reibungskupplung oder Reibungsbremse
EP1467113A1 (fr) Segment de friction et procédé de fabrication d'un tel segment de friction

Legal Events

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

Ref document number: 19726550

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112019002109

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19726550

Country of ref document: EP

Kind code of ref document: A1