EP3019762A1 - Surface de friction - Google Patents

Surface de friction

Info

Publication number
EP3019762A1
EP3019762A1 EP14741797.6A EP14741797A EP3019762A1 EP 3019762 A1 EP3019762 A1 EP 3019762A1 EP 14741797 A EP14741797 A EP 14741797A EP 3019762 A1 EP3019762 A1 EP 3019762A1
Authority
EP
European Patent Office
Prior art keywords
friction surface
friction
grooves
groove
stationary
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.)
Withdrawn
Application number
EP14741797.6A
Other languages
German (de)
English (en)
Inventor
Oliver Runge
Stefan Löhr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3019762A1 publication Critical patent/EP3019762A1/fr
Withdrawn legal-status Critical Current

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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • 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 surface of a stationary coupling and / or braking device.
  • the invention further relates to a friction lining of a stationary coupling and / or braking device with at least one such friction surface.
  • the invention also relates to a stationary clutch and / or brake device with such a friction lining.
  • the invention relates to a rotor for a stationary coupling and / or braking device, in particular a clutch, with at least one such friction surface.
  • German patent application DE 10 2006 044 858 A1 a carbide ceramic contact body is known, which is used for example in elevator brakes.
  • German Offenlegungsschrift DE 10 201 1 000 720 A1 discloses a friction brake for braking a rail-guided transport device, in particular an elevator, comprising at least one brake pad, an application device with which the at least one brake pad can be pressed against a rail, around the transport device to brake, and an actuator for actuating the application device.
  • WO 2013/030347 A2 a friction brake is known, which is designed in the design of a brake caliper, as they can be used, for example, to brake elevators.
  • the object of the invention is to improve the performance of stationary clutch and / or braking devices.
  • the object is achieved with a friction surface of a stationary coupling and / or braking device in that the friction surface is provided with elevations and / or depressions.
  • the friction surface is preferably designed as a circular ring surface with an inner diameter and an outer diameter.
  • a preferred embodiment of the friction surface is characterized in that the friction surface is provided with grooves.
  • the grooves can be rounded in the groove base or sharp-edged be executed.
  • the groove depth of the grooves is preferably adapted to an expected wear in a planned life.
  • the friction surface is characterized in that the grooves extend in radial directions.
  • the term radial refers to an axis of rotation of a substantially annular disc-shaped friction surface during operation. Radial means transverse to the axis of rotation.
  • a further preferred embodiment of the friction surface is characterized in that the grooves extend in directions which are arranged at an angle of up to 45 degrees to the radial direction. This arrangement has proven to be advantageous in terms of minimizing the wear occurring during operation.
  • Another preferred embodiment of the friction surface is characterized in that the grooves have a groove width which is 0.5 to 6 millimeters. This groove width has proved to be particularly advantageous in investigations carried out in the context of the present invention.
  • Another preferred embodiment of the friction surface is characterized in that at least six grooves are uniformly distributed in a circumferential direction. This number has proved to be particularly advantageous in investigations carried out in the context of the present invention.
  • a further preferred embodiment of the friction surface is characterized in that the friction surface has at least one annular groove.
  • the annular groove may be provided alternatively or in addition to the grooves extending substantially in radial directions.
  • the invention further relates to a friction lining of a stationary coupling and / or braking device with at least one friction surface previously described.
  • the friction lining may be constructed in a similar or similar way to conventional friction linings of stationary coupling and / or braking devices.
  • the friction lining according to the invention is provided with grooves in its friction surface.
  • the invention further relates to a stationary clutch and / or brake device with a previously described friction lining.
  • the coupling and / or braking device is preferably designed as a clutch.
  • the clutch includes, for example, a rotating inner member having two substantially annular friction surfaces which are grooved in accordance with an essential aspect of the invention.
  • the invention further relates to a rotor for a stationary clutch and / or brake device, in particular a clutch, with at least one friction surface previously described.
  • the rotor with the friction surface according to the invention is preferably provided with an internal toothing, but can optionally also be provided with an external toothing.
  • the rotor can optionally be made entirely of friction material.
  • the friction material can also be applied on both sides to a support element for the representation of the rotor.
  • the carrier element can be formed from a metallic material or from a fiber composite material.
  • the invention also relates to a conveyor system with a previously described stationary coupling and / or braking device.
  • the conveyor system is designed, for example, as a crane, hoist, elevator or escalator.
  • the invention relates in itself to the use of a friction surface with elevations and / or depressions, in particular with grooves, as is known, for example, from automotive technology, in a stationary coupling and / or braking device.
  • a friction surface with elevations and / or depressions in particular with grooves
  • the execution of friction linings with grooves in the friction surface for example, from the German patent application DE 196 26 688 A1 known.
  • the grooves in the automotive sector are primarily introduced to avoid separation problems due to negative pressure effects.
  • FIG. 1 shows an embodiment of a friction lining with obliquely extending grooves in a friction surface
  • Figure 2 is a groove of the friction lining of Figure 1 in section
  • Figure 3 shows an embodiment of a friction lining with radially extending grooves in a friction surface
  • Figure 4 shows a groove of the friction lining of Figure 3 in section.
  • FIG. 1 shows a friction lining 1 in the form of a circular disk 4 is shown in plan view.
  • a double arrow 5 an inner diameter of the annular disc 4 is indicated.
  • an outer diameter of the annular disc 4 is indicated.
  • the friction lining 1 has a friction surface 10, in which a total of eight grooves 1 1 to 18 are introduced.
  • the grooves 1 1 to 18 are uniformly distributed over a circumference of the friction surface 10.
  • the grooves as indicated by a double arrow 19, each arranged by about forty-five degrees to a radial.
  • the groove depth of the groove 16 is designated by a double arrow 21.
  • the groove depth is at least as deep as an expected axial wear of the friction lining 1 in a planned life.
  • the groove width in the illustrated embodiment is about one millimeter.
  • arrow 24 is indicated that the transition between the friction surface 10 and the groove 16 is rounded.
  • arrow 25 is indicated that the groove 16 is also rounded in the groove base.
  • a double arrow 26 is indicated that the groove flanks of the groove 16 are arranged at an angle of one hundred and five degrees to the groove bottom.
  • FIG. 3 shows a friction lining 41 with a friction surface 50 in plan view.
  • the friction lining 41 has the shape of a circular disk with an inner diameter and an outer diameter.
  • a total of sixteen grooves 51 are introduced in the friction surface 50 . All grooves 51 are arranged in the radial direction.
  • the grooves 51 have a rectangular cross-section.
  • the grooves 51, as well as the grooves 1 1 to 18 of the friction lining 1 shown in Figure 1, for example by pressing into the friction surface 10; 50 are introduced. LIST OF REFERENCES

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 surface de friction (41) d'un dispositif d'embrayage et/ou de freinage fixe, laquelle est pourvue de bosses (11, 12, 13, 14, 15, 16, 17, 18) et/ou de creux.
EP14741797.6A 2013-07-09 2014-07-02 Surface de friction Withdrawn EP3019762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013213371 2013-07-09
PCT/DE2014/200295 WO2015003703A1 (fr) 2013-07-09 2014-07-02 Surface de friction

Publications (1)

Publication Number Publication Date
EP3019762A1 true EP3019762A1 (fr) 2016-05-18

Family

ID=51212627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14741797.6A Withdrawn EP3019762A1 (fr) 2013-07-09 2014-07-02 Surface de friction

Country Status (5)

Country Link
US (1) US20160146265A1 (fr)
EP (1) EP3019762A1 (fr)
CN (1) CN105378318A (fr)
DE (2) DE112014003197A5 (fr)
WO (1) WO2015003703A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017072824A1 (fr) 2015-10-26 2017-05-04 株式会社日立製作所 Dispositif d'ascenseur

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3198314B2 (ja) * 1991-10-11 2001-08-13 エドワード パーソンズ，フランシス 湿式ディスクブレーキ
DE19626688B4 (de) * 1995-07-14 2012-04-12 Schaeffler Technologies Gmbh & Co. Kg Reibbelag für eine Kupplungsscheibe sowie damit ausgerüstete Kupplungsscheibe
DE10015206A1 (de) * 1999-04-01 2000-10-05 Luk Lamellen & Kupplungsbau Kupplungsscheibe
ATE310913T1 (de) * 2001-05-28 2005-12-15 Freni Brembo Spa Bremsband für eine bremsscheibe
JP2006037991A (ja) * 2004-07-22 2006-02-09 Aisin Aw Co Ltd トルクコンバータ用のロックアップ機構
DE102006044858A1 (de) 2006-09-22 2008-03-27 Siemens Ag Benutzereinheit für ein passives optisches Netzwerk
US8146719B2 (en) * 2008-04-25 2012-04-03 GM Global Technology Operations LLC Disk brake friction surfaces with tunable indent patterns for minimizing brake pad radial taper wear
US8101286B2 (en) * 2008-06-26 2012-01-24 GM Global Technology Operations LLC Coatings for clutch plates
CN201487099U (zh) * 2009-10-21 2010-05-26 杨大德 汽车刹车盘
CN201836265U (zh) * 2010-10-14 2011-05-18 叶子瑜 刹车碟盘
DE102011000720A1 (de) 2011-02-14 2012-08-16 Klaus-Peter Kapp Reibungsbremse für Aufzüge mit verbesserten Dämpfungseigenschaften
CN202108909U (zh) * 2011-06-07 2012-01-11 四川宜宾力源电机有限公司 应用于塔式起重机电动机的整体摩擦盘
DE102011053178B3 (de) 2011-08-31 2012-11-29 Klaus-Peter Kapp Reibungsbremse mit einer senkrecht zur Zuspannrichtung wirkenden Aktoreinheit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2015003703A1 *

Also Published As

Publication number Publication date
WO2015003703A1 (fr) 2015-01-15
DE112014003197A5 (de) 2016-03-17
DE102014212778A1 (de) 2015-01-15
CN105378318A (zh) 2016-03-02
US20160146265A1 (en) 2016-05-26

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