EP3063024A1 - Procédé de fabrication d'un bras oscillant multipoint pour véhicule automobile - Google Patents

Procédé de fabrication d'un bras oscillant multipoint pour véhicule automobile

Info

Publication number
EP3063024A1
EP3063024A1 EP14777575.3A EP14777575A EP3063024A1 EP 3063024 A1 EP3063024 A1 EP 3063024A1 EP 14777575 A EP14777575 A EP 14777575A EP 3063024 A1 EP3063024 A1 EP 3063024A1
Authority
EP
European Patent Office
Prior art keywords
mounting surface
handlebar
point
joint
opening
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Withdrawn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
EP14777575.3A
Other languages
German (de)
English (en)
Inventor
Jens Wohlers
Philipp Bronswick
Michael Muehl
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3063024A1 publication Critical patent/EP3063024A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/008—Attaching arms to unsprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/122—Constructional features of arms the arm having L-shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/811—Shaping by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8201—Joining by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8201—Joining by welding
    • B60G2206/82013—Friction or heat welding

Definitions

  • the invention relates to a method for producing a handlebar according to the preamble of claim 1 and a multi-point handlebar for the chassis of a motor vehicle according to the preamble of claim 8.
  • Handlebars are components of the chassis of a motor vehicle and serve the suspension of the wheels on the body or axle of the motor vehicle.
  • a wishbone for a suspension which is designed as a profiled sheet metal part.
  • the known wishbone has two approximately at right angles to each other arranged side legs with end portions to which fasteners are attached, which serve for example as a holder for a ball joint.
  • the wishbone is usually designed as a three-point handlebar, d. H. he is about two points of articulation with the vehicle and with a hinge point with the wheel side, d. H. connected to a wheel carrier.
  • the wheel-side hinge point is arranged at different positions, for example, in the x-direction of the vehicle (direction of travel) must be moved.
  • this problem is solved in that at the end of the same wishbone different joint flanges, z. B. fastened by riveting. For different joint positions, therefore, each different joint flanges must be kept.
  • the object of the invention is achieved by the independent claims 1 and 8. Advantageous embodiments of the invention will become apparent from the dependent claims.
  • an intermediate product of the link is produced by deformation, the intermediate product having an end region with a widened or extended attachment surface, which allows the attachment of a support joint different positions, d. H. allowed in staggered alternative positions.
  • the invention is based on the idea of first producing an intermediate product as a precursor of the finished link, which is suitable for use in different joint positions.
  • the intermediate product thus permits at least two options for different joint positions, which are preferably offset in the travel direction of the vehicle or transversely thereto.
  • a uniform pressing tool for forming can be used to produce at least the intermediate product.
  • different forming tools are not required for handlebars for different types of vehicles, respectively, if the handlebars differ only by their end regions due to the location of the ball joint. This can be saved to a high degree costs.
  • an opening for receiving the support joint is produced in a further, preferably second method step, wherein the position of the receiving opening in the attachment surface corresponds to one of the possible alternative positions.
  • the widened mounting surface of the handlebar allows the same intermediate handlebar to be used for different joint positions.
  • the end contour of the end region is produced in a further, preferably third process step by cutting the edge about the receiving opening in which the support joint is arranged, ie superfluous material of the attachment surface is removed.
  • the circumcision is done in particular because of a free movement of the handlebar compared to other chassis parts, eg. B. to allow a brake disc.
  • both the production of the receiving opening and the edge trimming can take place by means of a laser beam.
  • Laser cutting has the advantage that this method step can be carried out independently of and with a time offset relative to the first method step of the forming.
  • the receiving opening can thus only immediately before assembly of the support joint or the attachment of the support joint on the handlebar - depending on the desired joint position - are produced.
  • water jet cutting which allows a burr-free processing.
  • the ball joint is inserted into the receiving opening and connected to the mounting surface, wherein the connection is preferably carried out by laser welding.
  • the ball joint can also be pressed and / or additionally welded after being pressed in.
  • the ball joint can be fixed positively after insertion by forming in the handlebar.
  • a multi-point link for the chassis of a motor vehicle that the attachment surface has a width or a length for at least two alternative positions of the support joint.
  • the multi-point link is preferably formed as a sheet metal forming part.
  • the handlebar can also be formed from a fiber-reinforced plastic such as organic sheet.
  • an opening for receiving the support joint is disposed within the mounting surface, wherein the wheel-side hinge point forms the center of the opening and occupies one of the at least two alternative positions. The receiving opening is thus placed in the mounting surface, that the hinge point or the ball joint can take the desired angular position. This happens immediately before the assembly of the ball joint in the handlebars.
  • FIG. 1 shows a wishbone invention with a ball joint position left
  • Fig. 1 shows a trained as a three-point arm control arm 1, which is part of a chassis, not shown, in particular a front axle of a motor vehicle.
  • the wishbone 1 is formed as a profiled sheet metal part, which has two approximately at right angles to each other arranged legs 1 a, 1 b.
  • the wishbone 1 has three hinge points, namely two vehicle-side pivot points A, B, which are interconnected by an axis c, and a wheel-side hinge point C, which is connected to the hinge point A by a beam b.
  • the joint in the region of the hinge point A is formed as a pivot joint 2 with the pivot axis c, while the joint is formed in the region of the hinge point B as an elastic joint 3, which also allows pivoting about the vehicle-fixed axis c.
  • the leg 1a has in the region of the hinge point C on an end portion 1c, in which a ball joint 4 is fixed.
  • the ball joint 4 is connected to a wheel carrier, not shown, and therefore also referred to as a wheel joint 4.
  • the ball joint 4 can thus in the installed state, a pivoting movement about the vehicle-side axis c, which runs approximately parallel to the vehicle axis x (direction of travel) run.
  • the ball joint 4 is asymmetrical to the longitudinal center line of the leg 1 a, that is arranged on the left side, called the left position.
  • the beam b forms with the axis c an angle a, which is predetermined for a particular embodiment of the chassis.
  • the alternative pivot point C is connected to the vehicle-side pivot point A via the beam b '.
  • Fig. 2 shows a transverse link 10, in which - in contrast to the embodiment of FIG. 1 - the ball joint 14 is disposed in the region of the alternative hinge point C. This position is referred to as the right position, i. H.
  • the pivot point C is in an angular position, which corresponds to an angle ⁇ 'between the beam b' and the vehicle-fixed axis c.
  • the exemplary embodiments according to FIGS. 1 and 2 thus differ in different angular positions, ie. H.
  • FIG. 3 shows an enlarged view of the end portion 1 c (Fig. 1) in a plan view.
  • the ball joint 4 is located in the region of the hinge point C, ie in the left position.
  • the end portion 1 c has a substantially flat trained mounting surface 1 d, in the area of the ball joint 4 is arranged and fixed to the cross member 1 is connected.
  • FIG. 4 shows an enlarged representation of the end region 10c of the transverse link 10 according to FIG. 2.
  • the ball joint 14 is located here in the region of the alternative pivot point C, d. H. in the right position.
  • the further pivot point C is also located in the region of the attachment surface 10d.
  • Fig. 5 shows a preliminary stage of a finished transverse link, i. H. an intermediate in the manufacturing process.
  • the transverse link 20, shown as an intermediate product has a limb 20a with an end region 20c and an approximately oval and substantially planar fastening surface 20d, which is hatched for clarity.
  • the cross member 20 is made in this form by forming a sheet metal blank on a corresponding tool.
  • the leg 20a has on both sides each a U-shaped stiffening profile 20e, 20f, which reaches up to the mounting surface 20d.
  • the attachment surface 20d is used for the different positioning of the support joint 4, 14, d. H. either in the left-hand position (as explained above) or in the right-hand position or also in a position arranged between these two end positions.
  • Fig. 6 shows the cross member 20 with a circular opening 21 in the mounting surface 20d.
  • the center of the circular opening 21 is the hinge point C, ie the left position.
  • the edge of the attachment surface 20d is trimmed in the region to the right of the opening 21, so that a trimmed edge contour 22 results.
  • the opening 21 serves to receive the support joint 4 shown in FIGS. 1, 3.
  • the cutting out of the circular opening 21 preferably takes place by means of a laser beam, as does the trimming of the edge.
  • the attachment of the support element on the cross member 20 and on the mounting surface 20d is preferably carried out by laser beam welding. These steps can thus take place immediately before or during assembly of the cross member.
  • Fig. 7 shows the cross member 20 with a circular receiving opening 23 in the mounting surface 20d, wherein the center of the opening 23 of the alternative hinge point C is.
  • the oval according to FIG. 5 formed mounting surface 20 d is trimmed in Fig. 7 to the left of the opening 23, so that a trimmed edge contour 24 results.
  • the opening 23 serves to position and fix the support joint 14 (FIGS. 2, 4) in the right-hand position.
  • the method for producing the cross member or handlebar proceeds in a plurality of method steps, wherein the first method step is characterized by the production of an intermediate product, as shown as a cross member 20 in Fig. 5 with an oval mounting surface 20d.
  • the attachment surface 20d is dimensioned such that a support joint can be arranged and fixed in either a left or a right position.
  • the cross member 20 shown in Fig. 5 is made by forming a sheet metal blank and has due to its profiled shape the required rigidity.
  • a second method step either the receiving opening 21 (FIG. 6) in the left-hand position or the receiving opening 23 (FIG. 7) in the right-hand position is produced, which is preferably carried out by laser-beam cutting.
  • the edge trimming takes place in a further method step, likewise preferably by laser cutting.
  • the ball joint 4 (Fig. 3) is inserted to the left position or the ball joint 14 (Fig. 4) to the right position.
  • the attachment of the support joint 4 or 14 by laser beam welding takes place.
  • the ball joint (which is not shown) on a collar which is accurately inserted into the receiving opening 21 or 23 and connected via a laser weld with the mounting surface 20d.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Vehicle Body Suspensions (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un bras oscillant multipoint, destiné au châssis d'un véhicule automobile, qui comporte deux points d'articulation côté véhicule (A, B) et un point d'articulation côté roue (C) destiné à une articulation de support (4) et réalisé sous la forme d'une pièce en tôle. Le point d'articulation côté roue (C) possède une position angulaire (A) définie par rapport aux points d'articulation côté véhicule (A, B). Selon l'invention, le bras oscillant (1) possède, dans la zone du point d'articulation côté roue (C), une surface de fixation pour au moins deux positions angulaires différentes (C, C) de l'articulation de support (4).
EP14777575.3A 2013-10-29 2014-09-29 Procédé de fabrication d'un bras oscillant multipoint pour véhicule automobile Withdrawn EP3063024A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310221893 DE102013221893A1 (de) 2013-10-29 2013-10-29 Verfahren zur Herstellung eines Lenkers und Mehr-Punkt-Lenker für ein Kraftfahrzeug
PCT/EP2014/070721 WO2015062797A1 (fr) 2013-10-29 2014-09-29 Procédé de fabrication d'un bras oscillant multipoint pour véhicule automobile

Publications (1)

Publication Number Publication Date
EP3063024A1 true EP3063024A1 (fr) 2016-09-07

Family

ID=51655715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14777575.3A Withdrawn EP3063024A1 (fr) 2013-10-29 2014-09-29 Procédé de fabrication d'un bras oscillant multipoint pour véhicule automobile

Country Status (8)

Country Link
US (1) US20160243911A1 (fr)
EP (1) EP3063024A1 (fr)
JP (1) JP2016539043A (fr)
KR (1) KR20160077165A (fr)
CN (1) CN105682949A (fr)
DE (1) DE102013221893A1 (fr)
MX (1) MX2016005461A (fr)
WO (1) WO2015062797A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222576B4 (de) 2014-11-05 2022-05-19 Ford Global Technologies, Llc Querlenker mit Kugelgelenk in Einpressverbindung
CN107428216B (zh) * 2015-04-13 2020-03-17 株式会社　F.泰克 车辆用悬架臂
DE102017217750A1 (de) 2017-10-05 2019-04-11 Volkswagen Aktiengesellschaft Querlenker für eine Kraftfahrzeug-Radaufhängung und Verfahren zu dessen Herstellung
DE102022104477B4 (de) 2022-02-24 2024-05-02 Benteler Automobiltechnik Gmbh Fahrwerkslenker
CN117141173B (zh) * 2023-10-31 2024-01-16 万向智造有限公司 一种提高悬架强度的控制臂结构

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DE1755864A1 (de) * 1968-07-03 1972-01-13 Audi Nsu Auto Union Ag Vorrichtung zur Einstellung des Sturzes und des Nachlaufs fuer ein einzeln aufgehaengtes Kraftfahrzeugvorderrad
DE2303102B2 (de) * 1973-01-23 1976-11-25 Audi Nsu Auto Union Ag, 7107 Neckarsulm Vorrichtung zum einstellen des sturzes und des nachlaufs fuer ein einzeln aufgehaengtes kraftfahrzeugvorderrad
DE2912787C2 (de) * 1979-03-30 1982-08-05 Audi Nsu Auto Union Ag, 7107 Neckarsulm Radaufhängung für Kraftfahrzeug
DE29610845U1 (de) * 1996-06-20 1996-08-29 Bus, Wolfgang, 48429 Rheine Hilfsvorrichtung zum Einstellen des Sturzes eines Rades von Kraftfahrzeugen
DE19630013C2 (de) * 1996-07-25 2001-02-01 Daimler Chrysler Ag Vorrichtung zur Nachlaufeinstellung eines mittels Lenker geführten gelenkten Rades, insbesondere für Kraftfahrzeuge
FR2764827B1 (fr) * 1997-06-18 1999-08-20 Vallourec Vitry Procede pour la liaison de deux pieces tubulaires l'une a l'autre, ensemble mecanique correspondant, et application, notamment aux bras de suspension pour vehicule automobile
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DE102004039175A1 (de) 2004-08-12 2006-02-23 Thyssenkrupp Automotive Ag Querlenker für eine Radaufhängung
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Also Published As

Publication number Publication date
CN105682949A (zh) 2016-06-15
KR20160077165A (ko) 2016-07-01
DE102013221893A1 (de) 2015-04-30
JP2016539043A (ja) 2016-12-15
WO2015062797A1 (fr) 2015-05-07
US20160243911A1 (en) 2016-08-25
MX2016005461A (es) 2016-08-03

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