WO2018059748A1 - Bol de disque de frein et disque de frein à interface véhicule améliorée - Google Patents

Bol de disque de frein et disque de frein à interface véhicule améliorée Download PDF

Info

Publication number
WO2018059748A1
WO2018059748A1 PCT/EP2017/061814 EP2017061814W WO2018059748A1 WO 2018059748 A1 WO2018059748 A1 WO 2018059748A1 EP 2017061814 W EP2017061814 W EP 2017061814W WO 2018059748 A1 WO2018059748 A1 WO 2018059748A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake disc
pot
brake
projection
hub
Prior art date
Application number
PCT/EP2017/061814
Other languages
German (de)
English (en)
Inventor
Frank Hollstein
Ralph Weller
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Priority to CN201780067372.8A priority Critical patent/CN109891115B/zh
Publication of WO2018059748A1 publication Critical patent/WO2018059748A1/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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
    • 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
    • F16D65/125—Discs; Drums for disc brakes characterised by the material used for the disc body
    • 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
    • F16D2065/1304—Structure
    • F16D2065/1308—Structure one-part
    • 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
    • F16D2065/1392—Connection elements
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0008—Ferro
    • F16D2200/0013—Cast iron

Definitions

  • the invention relates to both a cast brake disk hub for connection to a separate friction ring for the purpose of displaying a built brake disc as well as an integrally molded brake disc with molded brake disc hub, each comprising an improved interface to the hub of a motor vehicle, especially a passenger car or a light truck.
  • the invention further relates to a new manufacturing method with downstream cutting for the favorable production of the improved interface with a novel profile in the bottom of the pot.
  • Brake discs for use in a vehicle brake are known and widely used.
  • a brake disk pot serves both as a carrier for a friction ring and an interface to a wheel hub.
  • brake disc pots with a newly executed inside of the pot bottom known and common, which sits in the ready state in the vehicle over its entire surface on a front side of the wheel hub.
  • a brake disk essentially serves to convert the kinetic energy of the vehicle into heat, so that the
  • Brake discs due to specific properties of cast materials such as a low because of graphite formation Gefiegenomogentician, a comparatively low Tensile strength or risk of distortion, particularly solid and thick-walled form. This leads to weight increase and deterioration of driving characteristics.
  • the brake disc in several parts with a forming technology made of a comparatively thin-walled steel sheet, in particular
  • thermoformed to carry brake disc pot which is kraftform- or cohesively connected to a cast friction ring.
  • brake disc pot which is kraftform- or cohesively connected to a cast friction ring.
  • disadvantages such as a complex manufacturing process and additional assembly processes.
  • Interfaces to the hub also simplified maintenance as well as permanently improved concentricity in original equipment and after replacement allows.
  • the invention provides that at least the brake disk hub is produced by a casting process and the cross section of the inside is provided with a non-planar profiling. According to a preferred embodiment, the brake disk hub is produced by a casting process and the cross section of the inside is provided with a non-planar profiling. According to a preferred embodiment, the brake disk hub is produced by a casting process and the cross section of the inside is provided with a non-planar profiling. According to a preferred embodiment, the
  • Pot bottom allows. Furthermore, the contact surfaces and the projection can be circularly rotationally symmetrical to the wheel rotation axis of the inside of the pot bottom.
  • brake disk pot has a substantially tubular cylindrical pot wall and a smallest wall thickness in the pot bottom in the portion of the contact surface formed smaller than a smallest wall thickness in the pot wall and preferably in a size range 2, 5 _o, 5 / + i mm provided
  • the cost-effective cast brake disc according to the invention can be used without difficulty in exchange for expensive brake discs with a deep-drawn steel brake cup, without any undesired track spreading or and a distortion-prone as well as Rounding-risk interface or connection between components made of two different materials is eliminated.
  • the projection is positioned and its radial extension is made larger than the width of the through-hole, so that the through-holes are located completely within the projection.
  • the brake disc according to the invention is produced in one piece with a casting process, whereby this is particularly homogeneous and inexpensive to produce and eliminates the interface between the brake disc hub and the friction ring with advantages for the weight and the concentricity.
  • the invention further includes an improved
  • Concentricity is achieved whereby a simplified machining with rotary milling process is made possible in a single workpiece clamping.
  • the profiling according to the invention is rotationally symmetrical with respect to
  • Rotary axis of the brake disc defines what a simplified machining with rotary milling in a single
  • the drawing documents a preferred embodiment of a ventilated brake disc according to the present invention respectively in different views and in section on a different scale, partially reduced in size
  • Embodiments (A, B) of the profiling of the pot bottom are Embodiments (A, B) of the profiling of the pot bottom.
  • FIG. 4 shows the embodiment as in Fig.l in plan view with partially broken friction ring
  • Fig.1 An inventive embodiment of the brake disc 1 is substantially rotationally symmetrical with respect to the
  • Radcardse 6 is formed and has a cup-shaped
  • the brake disc 1 is in one piece, made of a cast.
  • a built, multi-part design of the brake disc 1 with each other via an interface brake disc hub 2 and friction ring 3 is also allowed within the invention, however, the
  • Bremslabntopf 2 particularly preferably urformend particular casting technology and not produced by forming process.
  • the brake disk cup 2 a pot bottom 5 with an outside 7 for conditioning a wheel, not shown.
  • a common pitch circle 14 arranged in a regular pitch to each other arranged
  • Through holes 13 are provided, which are aligned axially parallel to the Radcardachse 6., The through holes are used to push through screws or bolts, not shown, when mounting the wheel to a hub.
  • Brake disk cup 2 further comprises a substantially cylindrical cup wall 12 directed from the bottom of the pot 5 approximately axially and largely parallel to the axis of rotation (6) with a non-rotatable connection to the friction ring 3.
  • the pot wall 12 may also be formed slightly conical.
  • the friction ring 3 may be hollow within the invention, or as shown hollow, so ventilated, also be formed.
  • the connection between the pot wall 12 and the friction ring 3 can be present both axially outside as shown, or wheel side or axially inside or wheel hub side.
  • Brake disc 1 is not formed evenly but has a separate profiling 9. Radially between two annular contact surfaces 10, 10 which are provided for engagement with the wheel hub and act as a support, an axially inwardly outstretched circumferential projection 11 is formed.
  • a blank of a casting material with a thin-walled with respect to the wall thickness of the cup wall 12 pot bottom 5 is first generated.
  • Steps / transitions for the profiling 9 are machined according to the pattern described above, time after the cast plaster,
  • the inside 8 of the bottom of the pot 5 is not flat, but designed graduated, which forms a profile 9 in cross-sectional view.
  • the wall thickness of the bottom of the pot 5 is in relation to the largely constant wall thickness (Ww) of the
  • Areas of the contact surfaces 10,10 ⁇ preferably about 2 to 3.5 mm, more preferably 2.5 mm.
  • Contact surfaces 10, 11 ⁇ is thus a circumferential, inwardly directed projection 11 is formed.
  • the height transitions between this and the contact surfaces 10, 11 ⁇ are designed angled so that the projection 11 appears to be trapezoidal in cross-section.
  • Other transitional forms such as wounds, steps, fillets or other helix angles and the like are also permissible within the invention.
  • the partial circle 14 with through-holes 13 is provided radially in the region of the projection 11, so that the through-holes 13 are arranged completely within a local thickening of the wall thickness of the pot base 5 formed by the projection 11. In comparison with the reduced
  • Wall thickness (Wb) in the region of the two contact surfaces 10, 10 ⁇ is preferably about twice, in particular about 5 mm. Because the thickening is provided according to the claim, according to the invention there is not necessarily a strict doubling in a thickness ratio of 1: 2 (50% / 100%). Rather, in particular By varying the quality of the cast material, gradual variations of the thickness ratio ranging between about 1:10 (10% / 100%) to about 9:10 (90% / 100%) are conceivable without departing from the basic essence of the invention.
  • gray iron is in particular GG 15 for forming the brake disc 1 and
  • Brake disc pot 2 used.
  • the wheel hub 4 has a circumferential flange 17 arranged therein, with the through holes 13 corresponding mounting holes for fixing the not shown
  • Wheel fasteners such as bolts or screws.
  • a circumferential recess 16 is provided in the end face of the wheel hub 4.
  • a recess punching marks can be introduced, for example, without the thus thrown up material must be ground to the required for the installation of the wheel 15 flatness of the
  • Brake disc 1 is formed with an internally ventilated friction ring 3, the interior of which has a plurality, preferably three concentric rows of connecting webs, between which air ducts for removing the heat in braking operation are formed.
  • the invention is based on a spatial representation of a partial section of the pot bottom 5

Landscapes

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

Abstract

L'invention concerne un disque de frein (1) comprenant un bol (2) pour le raccordement du disque de frein (1) à un moyeu (4) de roue d'un véhicule et au moins une bague de friction (3) pour la production d'une friction avec au moins une garniture d'un frein, le bol (2) du disque de frein présentant un fond (5) pourvu d'une face extérieure (7) côté roue par rapport à un axe de rotation (6) de roue et d'une face intérieure (8) côté moyeu. Le bol (2) du disque de frein est fabriqué au moyen d'un procédé de coulée et la face intérieure (8) est pourvue, dans une coupe transversale à travers l'axe de rotation (6) de roue, d'un profilage (9) non plat.
PCT/EP2017/061814 2016-09-29 2017-05-17 Bol de disque de frein et disque de frein à interface véhicule améliorée WO2018059748A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780067372.8A CN109891115B (zh) 2016-09-29 2017-05-17 制动盘毂和具有改进的车辆接口的制动盘

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016218933.6 2016-09-29
DE102016218933 2016-09-29

Publications (1)

Publication Number Publication Date
WO2018059748A1 true WO2018059748A1 (fr) 2018-04-05

Family

ID=58709974

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/061814 WO2018059748A1 (fr) 2016-09-29 2017-05-17 Bol de disque de frein et disque de frein à interface véhicule améliorée

Country Status (3)

Country Link
CN (1) CN109891115B (fr)
DE (1) DE102017208288A1 (fr)
WO (1) WO2018059748A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220267873A1 (en) * 2021-02-22 2022-08-25 Robert Bosch Gmbh Method for Producing a Brake Element, Brake Element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115339B1 (fr) * 2020-10-16 2022-12-02 Psa Automobiles Sa Dispositif de freinage comportant un bol en metal embouti et vehicule comportant un tel dispositif de freinage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288021A2 (fr) * 2001-09-04 2003-03-05 Ntn Corporation Dispositif de palier pour roue
FR2878593A1 (fr) * 2004-12-01 2006-06-02 Bosch Gmbh Robert Disque monobloc de frein a disque, frein a disque pour vehicule automobile et moule pour disque monobloc de frein a disque
WO2006095603A1 (fr) * 2005-03-10 2006-09-14 Ntn Corporation Dispositif de roulement pour une roue
US20150015057A1 (en) * 2011-10-12 2015-01-15 Freni Brembo, S.P.A. Assembly connection flange and brake disc
FR3023338A1 (fr) * 2014-07-07 2016-01-08 Peugeot Citroen Automobiles Sa Element rotatif de freinage comportant des bossages autour des percages de fixation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19505724A1 (de) 1995-02-20 1996-08-29 Daimler Benz Ag Aluminium-Bremsscheibe
GB9802578D0 (en) 1998-02-05 1998-04-01 Rover Group A motor vehicle hub assembly
FR2801080B1 (fr) 1999-11-15 2002-02-01 Peugeot Citroen Automobiles Sa Disque de frein pour vehicule automobile
DE10027942C2 (de) * 2000-06-08 2003-10-23 Sauer Achsenfab Radnabenflansch
GB0202620D0 (en) * 2002-02-05 2002-03-20 Meritor Heavy Vehicle Braking Cast vertical single core anti-coning ventilated rotor
DE10241867B4 (de) * 2002-09-09 2006-03-02 Schmitz Cargobull Ag Radnaben-Bremsscheibenanordnung
CN102239344B (zh) * 2008-05-08 2014-11-12 瑞锡尼弗莱诺斯可变资本股份公司 复合制动盘
CN201535332U (zh) * 2009-04-10 2010-07-28 青岛国人机械有限公司 高强度主动降温汽车制动盘
DE102009029781B4 (de) 2009-06-18 2020-12-17 SHW Brake Systems GmbH Bremsscheibe und Verfahren zu deren Herstellung
DE102011120182A1 (de) 2011-12-06 2012-06-28 Daimler Ag Bremstopf

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288021A2 (fr) * 2001-09-04 2003-03-05 Ntn Corporation Dispositif de palier pour roue
FR2878593A1 (fr) * 2004-12-01 2006-06-02 Bosch Gmbh Robert Disque monobloc de frein a disque, frein a disque pour vehicule automobile et moule pour disque monobloc de frein a disque
WO2006095603A1 (fr) * 2005-03-10 2006-09-14 Ntn Corporation Dispositif de roulement pour une roue
US20150015057A1 (en) * 2011-10-12 2015-01-15 Freni Brembo, S.P.A. Assembly connection flange and brake disc
FR3023338A1 (fr) * 2014-07-07 2016-01-08 Peugeot Citroen Automobiles Sa Element rotatif de freinage comportant des bossages autour des percages de fixation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220267873A1 (en) * 2021-02-22 2022-08-25 Robert Bosch Gmbh Method for Producing a Brake Element, Brake Element
US11718886B2 (en) * 2021-02-22 2023-08-08 Robert Bosch Gmbh Method for producing a brake element, brake element

Also Published As

Publication number Publication date
CN109891115B (zh) 2020-11-03
DE102017208288A1 (de) 2018-03-29
CN109891115A (zh) 2019-06-14

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