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WO2020165351A1 - Disque de frein assemblé et procédé de fabrication d'un tel disque de frein - Google Patents

Disque de frein assemblé et procédé de fabrication d'un tel disque de frein Download PDF

Info

Publication number
WO2020165351A1
WO2020165351A1 PCT/EP2020/053772 EP2020053772W WO2020165351A1 WO 2020165351 A1 WO2020165351 A1 WO 2020165351A1 EP 2020053772 W EP2020053772 W EP 2020053772W WO 2020165351 A1 WO2020165351 A1 WO 2020165351A1
Authority
WO
WIPO (PCT)
Prior art keywords
friction ring
opening
holding part
brake disc
side wall
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.)
Ceased
Application number
PCT/EP2020/053772
Other languages
German (de)
English (en)
Inventor
Reiner Becker
Tobias Müller
Wilfried Strauss
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.)
Fritz Winter Eisengiesserei GmbH and Co KG
Original Assignee
Fritz Winter Eisengiesserei GmbH 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 Fritz Winter Eisengiesserei GmbH and Co KG filed Critical Fritz Winter Eisengiesserei GmbH and Co KG
Publication of WO2020165351A1 publication Critical patent/WO2020165351A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F16D65/128—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
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1316—Structure radially segmented
    • 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
    • F16D2065/1328—Structure internal cavities, e.g. cooling channels
    • 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
    • F16D2065/1344—Connection permanent, e.g. by casting
    • 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
    • F16D2065/1376—Connection inner circumference
    • 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
    • F16D2065/1384—Connection to wheel hub
    • 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
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes
    • F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air

Definitions

  • the invention relates to a built-up, internally ventilated brake disk which comprises a friction ring which, with an inner peripheral surface, delimits an inner opening and a holding part formed from a bending material.
  • the holding part has a side wall section which extends parallel to an axis of rotation about which the brake disc rotates during operation. This side wall section sits in the inner opening of the friction ring.
  • the friction ring and the holding part are non-rotatably connected to one another via a form fit, ventilation channels being formed in the friction ring, each of which extends in the radial direction from an inlet opening formed in the inner circumferential surface of the friction ring to an outer circumferential surface of the friction ring.
  • the invention also relates to a method for producing such a built-up brake disc.
  • Brake disks of the type in question are used in motor vehicles and, during a braking process, are used to convert the kinetic energy of the vehicle into friction and, consequently, into heat.
  • the brake shoes of the brake system act against the front-side friction surfaces of the friction ring of the brake disc.
  • Internally ventilated brake discs have been introduced in order to dissipate the heat generated during braking particularly effectively. These are typically formed by two friction disks, which are arranged axially spaced and connected to one another via webs that are between them Limit ventilation channels. Those in operation over those in the area of
  • Air flowing into the ventilation channels arranged on the inner circumferential surface of the friction ring causes intensive heat dissipation.
  • the retaining part of a brake disc is used to couple the
  • the holding part can be provided with a receptacle for a pivot bearing, via which the brake disc and the wheel are rotatably mounted on the respective axle.
  • the holding part can also be designed in such a way that it is fastened directly or indirectly via the rim of the wheel to be braked via a brake disc according to the invention to a bearing ring of the pivot bearing, which sits on the respective axle, by means of suitable fastening means.
  • brake disks should also be able to be manufactured inexpensively with a view to the fact that they represent a wear part.
  • the desired weight reduction could be achieved in that the friction ring and the holding part of the brake disks of the type in question are made of different materials that are optimally adapted to the loads acting on them during use.
  • the friction ring of built-up brake disks is usually made from one casting technology
  • Shaped iron casting material In this way, not only their inexpensive mass production is made possible, but also a good braking and
  • the holding part of built-in brake disks usually consists of a sheet metal material that is not only easy to shape, but also during a braking process due to the properties inherent in the respective sheet metal material
  • a built-up brake disc of the type specified in the technical jargon also referred to as “composite brake disc”
  • This internally ventilated brake disk comprises a holding part, which is usually designed as a brake disk chamber, and at least one associated brake ring, the holding part and the brake ring being connected to one another by means of a joining process.
  • the brake ring has a tooth profile on the circumference of its inner opening, which engages in a joint area in a tooth profile formed on the outer circumference of the holding part.
  • the cup-shaped holding part has a conical basic shape before the joining process and a reference diameter of the toothing that increases towards its open end, so that the holding part is deformed when its circumferential tooth profile is pressed into the tooth profile of the brake ring.
  • the elasticity which increases axially in the direction of the opening of the cup-shaped holding part, is to be compensated and a uniform load-bearing proportion is also to be achieved in the axial direction.
  • the holding part experiences elastic and elastic-plastic deformation in the joining area.
  • the interlocking tooth profiles of the friction ring and the holding part thus form shaped elements that are positively connected to one another via the brake ring and holding parts, this form-fitting connection in the example of a known brake disc explained here as a result of the deformation of the holding part that occurred when the brake disc and holding part were joined by a Friction is supported.
  • This particular way of fixing the brake ring on the holding part is intended to achieve a higher and more efficient use of material than with a conventional elastic design.
  • the task was to create a built-up brake disc of the type specified above, which not only easy to manufacture, but also ensures optimal ventilation during use.
  • Brake disc are called.
  • the invention has achieved this object by a brake disc having the features specified in claim 1.
  • a brake disk designed in this way can be produced particularly easily in the manner according to the invention specified in claim 11.
  • An internally ventilated brake disc constructed according to the invention accordingly comprises, in accordance with the prior art explained at the beginning, a friction ring which delimits an inner opening with an inner circumferential surface, and a holding part formed from a sheet metal material which is connected to a
  • the inlet opening formed on the inner peripheral surface of the friction ring extends in the radial direction to an outer peripheral surface of the friction ring
  • At least one of the inlet openings of the ventilation channels molded into the inner circumferential surface of the friction ring is a through opening molded into the side wall section of the holding part
  • the form fit between the Holding part and the friction ring produced in that the edge region of the through opening is formed at least in sections into a collar which engages in the associated inlet opening and rests positively and tightly on a wall surface surrounding the inlet opening.
  • the non-rotatable connection between the friction ring and the holding part is thus produced in that, after the holding part has been inserted with its side wall section into the inner opening of the friction ring, in a forming operation from the edge area of the one of the inlet openings provided for this purpose in the
  • the collar formed in this way produces a positive fit that is effective both in the axial direction of the axis of rotation of the brake disk and in the circumferential direction of the brake disk, via which the friction ring and holding part are fixed to one another in a rotationally fixed manner and secured against any axial displacement.
  • connection between the holding part and the friction ring effecting form-fit element, as the collar of the holding part reaching into the inlet opening of the friction ring, is only produced when the friction ring and the holding part have already been joined. In this way, a precisely fitting, non-rotatable connection between the friction ring and the holding part is obtained without the need for complex pre-machining or alignment of the friction ring and the holding part.
  • the method according to the invention for producing a brake disk constructed in this way comprises the following work steps: a) Providing a friction ring which has an inner circumferential surface
  • ventilation channels being formed in the friction ring, each extending from its inlet opening formed in the inner circumferential surface of the friction ring in the radial direction to an outer circumferential surface of the friction ring, b) providing a holding part made of sheet metal material, which has a side wall section , which extends parallel to an axis of rotation about which the brake disc rotates during operation, wherein in the
  • Passage opening is assigned to one of the inlet openings formed in the inner circumferential surface of the friction ring, and d) at least in sections reshaping of an edge region which the
  • a holding part and a friction ring are therefore prefabricated independently of one another and made available for assembly.
  • Manufacture brake disks for example, by molding them in a well-known manner from a cast iron material that has already been tried and tested in practice.
  • cast iron materials suitable for this purpose are the cast materials mentioned under the standard designation EN-GJL 150, EN-GJL-200.
  • the holding part provided in a brake disc according to the invention can consist, at least in the area of its side wall section seated in the inner opening of the friction ring, from a metal sheet known from the prior art for the production of such holding parts, in particular a sheet made of a steel or an aluminum material, which is a has sufficient deformability for the purposes of the invention. Suitable materials for this are the steel materials designated as "SC 420 MC" and "SC 355 MC" in accordance with EN 10149. The holding part is thereby
  • the holding element and / or the friction ring are provided with a protective coating before the brake disk is installed.
  • This protective coating can serve in particular to protect against corrosion or other attacks by aggressive media occurring in the operational environment for which the brake disc is intended.
  • the protective coating can be applied in the course of the prefabrication of the friction ring or holding part.
  • the application of a protective coating to the holding part and / or the friction ring before joining to the brake disc has the advantage of that the coating is also present in the area of the joining zone and can develop its protective effect there on the finished brake disc.
  • An optimal form-fitting connection of the friction ring to the holding part can be achieved in that the collar molded into the respective inlet opening of the friction ring is shaped completely around the assigned passage opening.
  • the inlet openings can be circular.
  • the fact that the edge surrounding the inlet openings is rounded or provided with a phase so that in the area of the respective inlet opening a funnel-like, fuzzy transition from the inner circumferential surface of the friction ring to the ventilation channel of the friction ring extending from the inlet opening can also contribute to facilitating the shaping of the collar is created.
  • the edge region surrounding the side wall section of the holding part can have a sleeve-like shape which extends over a certain length into the ventilation channel of the friction ring extending from the respective inlet opening.
  • the sleeve-like shape of the collar which extends over a sufficient length into the respective ventilation channel, ensures that the friction disc is securely coupled to the holding part even in the event that the friction ring moves during a braking process due to the heat introduced into it and its resultant due to thermal expansion in the radial direction. This is particularly important when the holding part and / or the friction ring before mounting the brake disc with a
  • Protective coating ensures that this expansion is not hindered by corrosion, which could otherwise arise in the area in which the respective collar formed on the holding part engages in the relevant ventilation channel of the friction ring via the respectively assigned inlet opening.
  • a particularly noteworthy advantage of the design of a brake disk according to the invention is that a free air supply to the ventilation channels of the friction ring can be ensured via the through openings formed in the side wall section.
  • delimiting edge regions can be formed into collars in a manner according to the invention, via which a form fit between the friction ring and the holding part is established. Rather, it can be sufficient if only for a certain number of
  • Form-fitting a through opening of the side wall portion of the holding part is assigned, the edge area for the purpose of producing the
  • Form fit is formed into a collar engaging in the respectively assigned inlet opening, is smaller than the total number of inlet openings. In this case, for example, is only every second or third
  • each inlet opening of the friction ring has one Through-opening is assigned, the edge region of which is shaped in the manner according to the invention into a collar reaching into the respective inlet opening and the ventilation channel extending therefrom.
  • the uniformity of the power transmission and the ventilation of the friction ring can also be contributed by the fact that the inlet openings of the ventilation channels on the one hand and the through openings, the edge area of which is formed into a collar engaging in the respectively assigned inlet opening, on the other hand, at regularly equal angular distances around the The axis of rotation of the brake disc are arranged distributed.
  • a brake disc of the type according to the invention has on the
  • Inner circumferential surface of your friction ring has a certain number of inlet openings, to which an equal number of through openings are advantageously assigned in the side wall section of the holding part, with optimally each through opening of the holding part being aligned concentrically with respect to an assigned inlet opening of the friction ring in order to achieve the best possible influx of air during use to reach into the ventilation channels of the friction ring.
  • the edge area of which is shaped into a collar in the manner according to the invention is smaller than the number of available inlet openings, it has proven to be useful if the regular angular distance between the through openings of the side wall section of the holding part, their edge area for the purpose of Production of the form fit is formed into a collar engaging in the respectively assigned inlet opening, an integral multiple of
  • Such a deformation can not only be carried out particularly easily, but also leads to one
  • Such cold deformation can take place, for example, in that the edge area in question forms the respective
  • Step b) the holding part molded in, that is, the through opening present before the collar is formed, and "De” denotes the maximum diameter that the through opening in question has after the shaping (step c)) of the edge region into the collar.
  • Inner opening have an oversize and in the manufacture of
  • Brake disk of the side wall section of the holding part are pressed into the inner opening, so that after the projection has been pressed into the recess, in addition to the positive fit produced by the projection and the recess, there is a non-positive connection between the friction ring and the holding part.
  • the ratio Da / Di formed from the outer diameter Da of the side wall section and the inner diameter Di of the inner opening 1.0 ⁇ Da / Di 1.2.
  • Fig. 2 shows a holding part for the brake disc shown in Fig. 1 in the for
  • Fig. 3 shows a friction ring for the brake disc shown in Fig. 1 in the for
  • FIG. 4 shows the holding part according to FIG. 2 and the friction ring according to FIG. 3 in the assembled state for the assembly of the brake disk shown in FIG. 1, in a section along the section line AA shown in FIG. 1;
  • FIG. 5 shows the fully assembled brake disk according to FIG. 1 in a section along the section line AA shown in FIG. 1.
  • Inner opening 3 delimits.
  • the friction ring 2 cast as one piece in a known manner, comprises two friction disks 4a, 4b, which are arranged at a distance from one another in the axial direction AR of the axis of rotation X and are connected to one another via webs 5 which extend in the radial direction R and are cast between them in a known manner. Adjacent webs 5 laterally delimit a ventilation channel 6.
  • the ventilation channels 6 are arranged with respect to the axially parallel to the axis of rotation X measured thickness of the friction ring 2 centrally between the friction disks 4a, 4b and each open into an inlet opening 7, which into the
  • Inner circumferential surface 8 is formed, which runs around the inner opening 3 of the friction ring 2.
  • 24 ventilation channels 6 with a corresponding number of inlet openings 7 are formed in the friction ring 2, for example, which are distributed at regular angular intervals ß about the axis of rotation X in the
  • Inner opening 3 are arranged.
  • the edge 9 surrounding the inlet openings 7 is rounded so that a smooth, smooth transition from the inner circumferential surface 8 to the inner wall surface 10 of the respective ventilation channel 6 is produced.
  • the outlet openings 11 of the ventilation channels 6 are formed in a correspondingly uniform distribution on the outer circumferential surface 12 of the friction ring 2.
  • the friction disks 4a, 4b of the friction ring 2 each have an annular friction surface 13a, 13b against which they each rub in use Brake lining of a brake system, not shown here, of the vehicle also not shown here, on which the brake disc 1 is rotatably mounted about an axis of rotation X for use, acts.
  • a cup-shaped holding part 14 formed in one piece by deep drawing from a sheet steel blank has been provided.
  • the sheet steel from which the holding part 14 is formed consisted of a steel which has already been tried and tested in the prior art for the production of such holding parts and has a base 15.
  • distributed assembly openings are formed at equal angular intervals around the axis of rotation X, through which bolts or wheels, not shown here, during assembly on the axle of the respective vehicle
  • the holding part 14 has a central opening in its bottom 15, via which a wheel bearing, for example, or the like on the axle of the vehicle is accessible when a brake disc 1 is mounted on the respective vehicle axle.
  • An annular, cylindrically shaped side wall section 16 extends around the base 15 of the holding part 14 and extends parallel to the axis of rotation X starting from the base 15.
  • the height H of the side wall section 16 measured axially to the axis of rotation X is greater than the thickness D of the friction ring 2.
  • the through openings 17 have a diameter Dv which is smaller than the diameter of the inlet openings 7 on the Inner circumferential surface 8 of the friction ring 2 The center of the
  • the passage openings 17 are each centered in relation to the height H of the
  • the friction ring 2 provided, as explained above, and the holding part 14 provided, as explained above, are each completely covered with a protective coating that protects the friction ring 2 and the holding part 14 against corrosion and has been produced by applying an anti-corrosion agent known per se is.
  • a conventional anti-corrosion agent can be used for this purpose
  • Anti-corrosion coating such as zinc dust paint, or one over one
  • Nitriding process diffused material can be used, which can be applied to the holding part 14 and the friction ring 2, for example by dipping, spraying or, in the case of the use of a nitriding process, by diffusion.
  • the holding part 14 is inserted into the friction ring 2 by the holding part 14 being pressed from the one friction surface 13a of the friction ring 2 into the inner opening 3 of the friction ring 2.
  • the holding part 14 is aligned and pushed into the inner opening 3 in such a way that each through opening 17 of the holding part 14 in the assembled state is aligned concentrically with an associated inlet opening 7 of the inlet openings 7 molded into the inner peripheral surface 3 of the friction ring 2.
  • edge areas 18 are in the following step by means of a
  • Mandrel tool 19 to a gripping in the respective inlet opening 7 Shaped collar 20.
  • the mandrel tool 19 applies a conically tapering mandrel 21, which is pressed in the radial direction R against the inside of the side wall section 16 into the respective through opening 17, the edge area 18 of which is to be formed into the collar 20. The pushing movement is continued until the
  • Inlet opening 7 is formed and lies tightly against the inner wall surface 10 of the ventilation channel 6, which branches off from the relevant inlet opening 7. As a result of this cold deformation, the through openings 17 are widened, so that a diameter ratio Dv / De of 0.42-0.65 results.
  • the collar 20 formed by the cold deformation of the edge region 18 is given a sleeve-like shape and extends over a length L of typically 3 2 mm into the respective ventilation channel 6.
  • a collar 20 is formed, via which the friction ring 2 is fixed in a form-fitting manner in the axial direction AR, in the radial direction R and in the circumferential direction U of the brake disk 1 on the holding part 14.
  • the non-rotatable connection created in this way between the friction ring 2 and the holding part 14 ensures reliable transmission of the braking torques that occur during braking from the friction ring 2 via the holding part 14 to the vehicle wheel, not shown here, which is coupled to the brake disc 1.
  • the heat introduced into the friction ring of the brake disc 1 during a braking operation is dissipated via the air currents which, during use, pass through the widened through openings 17 into the respective
  • assigned ventilation channels 6 can flow in.
  • the anti-corrosion coating applied to the friction ring 2 and the holding part 14 before assembly also prevents after assembly in the area of the contact zones between the holding part 14 and the friction ring 2, ie especially in the area in which the outer peripheral surface of the

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

Abstract

L'invention concerne un disque de frein ventilé de l'intérieur qui comprend une bague de friction (2) qui délimite par une surface périphérique intérieure une ouverture intérieure, et un élément de retenue (14) constitué d'un matériau à base de tôle et qui porte dans l'ouverture intérieure de la bague de friction par une section (16) de paroi latérale qui s'étend parallèlement à un axe de rotation (X) autour duquel le disque de frein tourne lorsqu'il fonctionne, la bague de friction et l'élément de retenue (14) étant assemblés bloqués en rotation par complémentarité de forme, des canaux de ventilation étant ménagés dans la bague de friction et s'étendant respectivement en direction radiale à partir d'une ouverture d'entrée (7) ménagée dans la surface périphérique intérieure de la bague de friction jusqu'à une surface périphérique extérieure de la bague de friction. Un tel disque de frein est non seulement facile à fabriquer, mais assure également en utilisation une ventilation optimale du fait qu'une ouverture de passage (17) ménagée dans la section (16) de paroi latérale de l'élément de retenues (14) est associée à au moins une des ouvertures d'entrée (7) des canaux de ventilation ménagées dans la surface périphérique intérieure de la bague de friction, et que la complémentarité de forme entre l'élément de retenue (14) et la bague de friction est créée, la zone périphérique (18) de l'ouverture de passage (17) étant formée par un collet (20) s'engageant dans l'ouverture d'entrée (7) associée et portant hermétiquement et par complémentarité de forme sur une surface (10) de paroi délimitant l'ouverture d'entrée (7).
PCT/EP2020/053772 2019-02-14 2020-02-13 Disque de frein assemblé et procédé de fabrication d'un tel disque de frein Ceased WO2020165351A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019103801.4A DE102019103801A1 (de) 2019-02-14 2019-02-14 Gebaute Bremsscheibe und Verfahren zur Herstellung einer solchen Bremsscheibe
DE102019103801.4 2019-02-14

Publications (1)

Publication Number Publication Date
WO2020165351A1 true WO2020165351A1 (fr) 2020-08-20

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PCT/EP2020/053772 Ceased WO2020165351A1 (fr) 2019-02-14 2020-02-13 Disque de frein assemblé et procédé de fabrication d'un tel disque de frein

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DE (1) DE102019103801A1 (fr)
WO (1) WO2020165351A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4145011B1 (fr) * 2021-09-01 2023-11-01 Fischer & Kaufmann GmbH & Co. KG Unité de freinage et son procédé de fabrication

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DE4419757A1 (de) * 1994-06-06 1995-12-07 Teves Gmbh Alfred Bremsscheibe
DE10250231A1 (de) * 2002-03-19 2003-10-02 Continental Teves Ag & Co Ohg Mehrteilige Bremsscheibe
DE10322454A1 (de) * 2002-06-12 2004-02-26 Continental Teves Ag & Co. Ohg Mehrteilige Bremsscheibe
EP2673525B1 (fr) 2011-02-11 2016-09-07 Daimler AG Disque de frein composite

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
DE10103639B4 (de) * 2001-01-27 2004-07-29 Audi Ag Innenbelüftete Bremsscheibe
FR2938311B1 (fr) * 2008-11-10 2011-10-21 Bosch Gmbh Robert Disque de frein composite

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
DE4419757A1 (de) * 1994-06-06 1995-12-07 Teves Gmbh Alfred Bremsscheibe
DE10250231A1 (de) * 2002-03-19 2003-10-02 Continental Teves Ag & Co Ohg Mehrteilige Bremsscheibe
DE10322454A1 (de) * 2002-06-12 2004-02-26 Continental Teves Ag & Co. Ohg Mehrteilige Bremsscheibe
EP2673525B1 (fr) 2011-02-11 2016-09-07 Daimler AG Disque de frein composite

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