EP2782803A1 - Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile - Google Patents

Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile

Info

Publication number
EP2782803A1
EP2782803A1 EP12770042.5A EP12770042A EP2782803A1 EP 2782803 A1 EP2782803 A1 EP 2782803A1 EP 12770042 A EP12770042 A EP 12770042A EP 2782803 A1 EP2782803 A1 EP 2782803A1
Authority
EP
European Patent Office
Prior art keywords
component
hydraulic unit
brake system
vehicle brake
positive connection
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Withdrawn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
EP12770042.5A
Other languages
German (de)
English (en)
Inventor
Ugur Kisa
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2782803A1 publication Critical patent/EP2782803A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/26—Reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/06—Applications or arrangements of reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders

Definitions

  • the invention relates to a method for producing a positive connection between a first component and a second component, in particular a hydraulic unit of a vehicle brake system. Furthermore, the invention relates to a hydraulic unit of a vehicle brake system with a positive connection between a first component and a second component.
  • Hydraulic power units are used in vehicle brake systems for controlling the brake pressures on associated wheel brake cylinders.
  • the hydraulic units generally have a block-shaped housing with hydraulic channels on which a plurality of hydraulic functional components, such as valves and memory are installed.
  • the hydraulic functional components are to be arranged fluid-tight on the hydraulic block.
  • the arrangements must meet high tightness and holding force requirements, which can currently only be achieved with the help of non-positive and positive connections in the form of caulking.
  • a part of the material of the housing is molded over a part of the respective functional component with a caulking punch.
  • a method for producing a positive connection in particular on a hydraulic unit of a vehicle brake system, between a first component and a second component is provided with the following steps: providing the first component to the second component, wherein in the region of the connection to be produced on the second component a supernatant is provided, generating a pulsed electromagnetic field and deforming the supernatant by means of the pulsed electromagnetic field such that the supernatant for producing the positive connection via the adjacent first component is deformed.
  • the invention is based on the finding that in conventional caulking for the production of positive connections with a caulking on the components or components involved high forming forces are required by which it can come in dependence on the material strength of the components to undesirable deformations of adjacent areas.
  • it is an essential goal of the current development, in particular of hydraulic units, to reduce their space and to save weight as much as possible. This leads to a conflict of goals between the required rigidity and that
  • the core of the present invention is that an electromagnetic pulse technology (EMPT) is used for producing a positive connection of components, in particular on a hydraulic unit of a vehicle brake system.
  • EMPT electromagnetic pulse technology
  • This technology uses a coil over the connector guided parts. Through the coil, a current of very high current is supplied for a short time, which is provided by a pulse generator. As a result, an eddy current is induced in metallic workpieces for a short time, which leads to very high electromagnetic forces.
  • the forces accelerate parts or sections of involved components so strongly that these parts or sections deform.
  • the parts or sections can be accelerated so much that they reach a speed of over 200 m / s (meters per second) after only a short distance.
  • This technique is used in conventional methods of electromagnetic pulse technology to bounce the parts or sections after a very short distance against an adjacent, stationary component.
  • the otherwise existing oxide layers in the impact area are released and blown out through the air located between the components.
  • the pure surfaces produced in this way are highly reactive and under extreme contact pressure. This conventionally causes the local formation of a helium-tight metallic cohesive bond by electron exchange.
  • the electromagnetic pulse technology is used to deform parts or section of components in such a way that they clamp and positively restrain adjacent components.
  • a very high electromagnetic force is also exerted on one of the components involved by means of a coil.
  • the force is metered according to the invention in such a way that the part or section of the component is deformed in the direction of the adjacent component and moves over it.
  • a projection is provided on one of the components, which can be deformed with the EMPT.
  • connection technology does not introduce heat into the components. Therefore, metallic materials with very different melting points can be connected in particular in hydraulic units to be produced. In addition, no structural influence occurs due to heat. In particular, positive-locking connections between aluminum alloys and ultra-high-strength steels can be produced without negative influences on their material strength. be put.
  • Such form-fitting connection have in comparison to cohesive also has the advantage that they allow over the life time by micro-movements at the junction a reduction of tensions between the parts.
  • the process used in the invention is non-contact, i. no contact takes place between the coil and the part or section of the component to be deformed.
  • the advantage is that it in particular to none
  • Chip development can come.
  • the first component when the first component is provided on the second component, the first component is particularly preferably provided adjacent to the second component.
  • the provision of this kind leads to a predefined position of the two components relative to one another and according to a positionally accurate embodiment of the connection point according to the invention.
  • the first component used according to the invention is preferably a storage cover of a pressure accumulator, in particular a buffer accumulator of the hydraulic unit.
  • the storage lid can be pressure-resistant attached to the associated housing with the connection technology according to the invention.
  • the storage lid is preferably round, in particular circular in design and is fixedly and positively mounted on its entire circumference according to the inventive method to the associated housing.
  • a shoulder is particularly preferably formed in the housing at a storage opening, into which the storage cover is first inserted before the actual connection.
  • the method according to the invention is furthermore used to connect the housing of a hydraulic unit with a further component or a functional component in a form-fitting manner.
  • the housing is preferably arranged stationary during the formation of such a connection.
  • the housing then forms the support for attaching the respective functional component and can in particular very advantageously by means of a workpiece carrier in the electromagnetic used in the invention Pulse system retracted and also extended again with the attached second component.
  • the housing is made of aluminum, since this material can be processed excellently cutting and also can be processed very well as an electrically conductive material with the connection technology of the invention.
  • FIG. 1 shows a partial section of a first embodiment of a hydraulic unit according to the invention prior to carrying out the method according to the invention
  • Fig. 2 shows the section of FIG. 1 after carrying out the method according to the invention.
  • a hydraulic unit 10 of a not further illustrated vehicle brake system is partially shown, which is designed as a first component of a storage cover 12 made of steel or aluminum and a second component of a housing 14 in the form of a hydraulic block of aluminum.
  • the storage cover 12 serves for fluid-tight and pressure-tight sealing of a circular-cylindrical storage opening 16 formed in the housing 14.
  • annular shoulder 18 is formed on the edge facing outward.
  • 18 of the circular and slightly hat-shaped in cross-section memory cover 12 is inserted with its radially outer portion 20 on a support surface 22.
  • the support surface 22 is substantially flat and the portion 20 is located on her substantially full area.
  • an upwardly projecting, in the illustrated cross section triangular projection 24 is formed, which in the present case also extends annularly around the entire storage opening 16.
  • the Projection 24 also extend only over parts of the circumference of the storage opening 16.
  • the supernatant 24 may also be designed in the form of individual teeth that are regularly or irregularly formed on the edge of the storage opening 16.
  • the projection 24 formed in this way is deformed by means of electromagnetic pulse technology (EMPT) via the section 20 of the storage lid 12.
  • EMPT electromagnetic pulse technology
  • a coil 26 is guided over the supernatant 24 and passed through this approximately 10 s to 40 s, preferably 25 s, a current of very high current.
  • the coil 26 has an underside 28 which is turned, bent or sectionally bent at an angle of approximately 10 ° to 40 °, preferably 25 °.
  • the current provided with such a coil 26 induces in the metallic projection 24 for a short time an eddy current which leads to such high electromagnetic forces that the projection 24 deforms in the direction of the section 20 via the reservoir cover 12.
  • the resulting deformation of the portion 20 acts as a hook which holds the accumulator cover 12 both pressure-resistant and fluid-tight on the housing 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Regulating Braking Force (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

L'invention concerne un procédé pour réaliser une liaison par complémentarité de forme, en particulier sur une unité hydraulique d'un système de freinage d'automobile, entre un premier composant (12) et un second composant (14), ledit procédé comprenant les étapes suivantes : Mise en place d'un premier composant (12) contre le second composant (14), une surélévation (24) étant formée sur le second composant (14) dans la zone dans laquelle la liaison doit être formée, génération d'un champ électromagnétique pulsé et déformation de la surélévation (24) au moyen dudit champ électromagnétique pulsé, de manière à amener la surélévation (24) à se placer par-dessus le premier composant (12) adjacent pour réaliser la liaison par complémentarité de forme.
EP12770042.5A 2011-11-21 2012-09-24 Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile Withdrawn EP2782803A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086682A DE102011086682A1 (de) 2011-11-21 2011-11-21 Verfahren zum Herstellen einer formschlüssigen Verbindung an einem Hydraulikaggregat einer Fahrzeugbremsanlage
PCT/EP2012/068736 WO2013075864A1 (fr) 2011-11-21 2012-09-24 Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile

Publications (1)

Publication Number Publication Date
EP2782803A1 true EP2782803A1 (fr) 2014-10-01

Family

ID=47008542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12770042.5A Withdrawn EP2782803A1 (fr) 2011-11-21 2012-09-24 Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile

Country Status (6)

Country Link
EP (1) EP2782803A1 (fr)
KR (1) KR20140093240A (fr)
CN (1) CN103946086A (fr)
BR (1) BR112014011881A2 (fr)
DE (1) DE102011086682A1 (fr)
WO (1) WO2013075864A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026037B1 (fr) * 2014-09-23 2017-03-10 Adm28 S Ar L Bobine pour soudage de pieces tubulaires par impulsion magnetique et procede de soudage associe
CN114273769B (zh) * 2021-12-30 2023-08-08 华瞬(深圳)智能装备有限公司 一种新能源汽车动力电池搭接片焊接装置
DE102022213962A1 (de) 2022-12-20 2024-06-20 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Fügen eines ersten Bauelements in eine zugeordnete Aufnahme eines zweiten Bauelements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6910617B2 (en) * 2002-03-06 2005-06-28 Torque-Traction Technologies, Inc. Method for securing a yoke to a tube using magnetic pulse welding techniques
DE10237163B4 (de) * 2002-08-14 2012-12-20 Robert Bosch Gmbh Hydraulikaggregat für eine Fahrzeugbremsanlage
KR20060025608A (ko) * 2003-07-07 2006-03-21 펄사르 웰딩 엘티디. 용기를 봉합하기 위한 자기 펄스 용접 방법 및 장치와봉합된 용기
US6927370B2 (en) * 2003-11-21 2005-08-09 Daimlerchrysler Corporation Electromagnetic hemming machine and method for joining sheet metal layers
JP2007283858A (ja) * 2006-04-14 2007-11-01 Hitachi Ltd 車両用ブレーキのリザーバ装置およびサブタンク
CN101568401B (zh) * 2006-05-16 2012-04-11 帕尔萨焊接有限公司 使用高径向冲击速率的磁脉冲密封高压容器的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013075864A1 *

Also Published As

Publication number Publication date
WO2013075864A1 (fr) 2013-05-30
KR20140093240A (ko) 2014-07-25
BR112014011881A2 (pt) 2017-05-16
DE102011086682A1 (de) 2013-05-23
CN103946086A (zh) 2014-07-23

Similar Documents

Publication Publication Date Title
EP2722124B1 (fr) Procédé d'assemblage d'au moins deux composants à l'aide d'un élément de soudage par résistance et dispositif permettant de mettre en oeuvre le procédé, ainsi que composant ainsi fabriqué
EP3036060B1 (fr) Procédé d'assemblage d'au moins deux parties en tôle ; assembalge de deux parties en tôle
DE102008038276B4 (de) Verfahren zur Verbindung von Fahrwerksteilen und Fahrwerksbaugruppe
WO2012041516A1 (fr) Procédé pour réaliser un élément structural hybride par rivetage et soudage ; assemblage par soudage-rivetage
DE102014225458A1 (de) Verfahren zum thermischen Fügen von Bauteilen mittels eines Hilfselementes
EP1640080A2 (fr) Dispositif et méthode de sertissage avec protection de la pièce
DE102013206547A1 (de) Nietvorrichtung und Nietverfahren
EP2933035B1 (fr) Procédé et dispositif de fabrication d'un paquet de tôles collées
DE102011114306A1 (de) Verfahren zum Fügen von wenigstens zwei FVK-Bauteilen
EP3505270B1 (fr) Unité de frappe pour un dispositif de poinçonnage, dispositif de poinçonnage et procédé de fabrication d'un tel dispositif de poinçonnage
EP2782803A1 (fr) Procédé pour réaliser une liaison par complémentarité de forme sur une unité hydraulique d'un système de freinage d'automobile
DE102016223875A1 (de) Verfahren zum Verbinden von Bauteilen aus unterschiedlichen Werkstoffen
DE102012100786A1 (de) Verfahren zum Koppeln von zwei Bauteilen aus nicht schweißbaren Werkstoffen sowie Vorrichtung zur Durchführung des Verfahrens
DE102013000269A1 (de) Stoßfängersystem für ein Kraftfahrzeug
DE102011086684A1 (de) Hydraulikaggregat einer Fahrzeugbremsanlage mit einer stoffschlüssigen Verbindung
DE102009004937A1 (de) Kontaktanordnung und Verfahren zur Herstellung einer Kontaktanordnung an und/oder in einer Fahrzeugkarosserie aus Aluminium
DE102017212576A1 (de) Verbindung eines metallischen Bauteils und eines Kunststoff-Bauteils
DE102017205940A1 (de) Verfahren zur Herstellung eines Bauteilverbunds und Kraftfahrzeug
WO2004113151A1 (fr) Support pour carrosserie de vehicule
EP3145657B1 (fr) Procédé de liaison d'au moins deux éléments structuraux
DE102017005123A1 (de) Zusammenbau aus mindestens zwei Werkstücken und Verfahren zum Verbinden mindestens zweier Werkstücke zu einem Zusammenbau
DE102014201998A1 (de) Verfahren zum Verbinden und Prägevorrichtung
DE102022213962A1 (de) Verfahren zum Fügen eines ersten Bauelements in eine zugeordnete Aufnahme eines zweiten Bauelements
DE102017220729A1 (de) Baugruppe und Verfahren zum Herstellen der Baugruppe
DE102017222240A1 (de) Karosseriebauteil, Verfahren zur Herstellung eines Karosseriebauteils sowie Fahrzeugkarosserie mit Karosseriebauteil

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140623

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150224