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WO1996036525A1 - Process for automatically fitting a motor vehicle body component - Google Patents

Process for automatically fitting a motor vehicle body component Download PDF

Info

Publication number
WO1996036525A1
WO1996036525A1 PCT/DE1996/000856 DE9600856W WO9636525A1 WO 1996036525 A1 WO1996036525 A1 WO 1996036525A1 DE 9600856 W DE9600856 W DE 9600856W WO 9636525 A1 WO9636525 A1 WO 9636525A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
motor vehicle
vehicle body
fitting
body component
Prior art date
Application number
PCT/DE1996/000856
Other languages
German (de)
French (fr)
Inventor
Ewald Quell
Original Assignee
Edag Engineering + Design 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 Edag Engineering + Design Ag filed Critical Edag Engineering + Design Ag
Priority to AU59956/96A priority Critical patent/AU5995696A/en
Publication of WO1996036525A1 publication Critical patent/WO1996036525A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/06—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being doors, windows, openable roofs, lids, bonnets, or weather strips or seals therefor

Definitions

  • the invention relates to a method for the automatic installation of a component of a motor vehicle body, in particular a vehicle door or vehicle flap, in which the motor vehicle body is automatically measured before the component is installed, the required installation position of the component is then determined and a mounting device mounting the component is controlled accordingly ⁇ ert.
  • Components usually have to be installed in a precisely defined position relative to other components.
  • Similar problems also occur in the bonnet, in the tailgate and other flaps, because joints of unequal width are clearly noticeable there.
  • the invention is based on the problem of developing a method for the automatic installation of motor vehicle doors and flaps which enables these components to be positioned as precisely as possible in relation to the motor vehicle body, but which can be implemented with as little effort as possible.
  • This problem is solved according to the invention in that after the installation of the built-in part, the actual position of the component in relation to the motor vehicle body is measured again, and that correction data for the assembly of the corresponding component of the following components is obtained from the determined position of the built-in component Motor vehicle body can be obtained.
  • the assembly accuracy is automatically optimized, without having to know the causes of an inaccuracy of the assembly.
  • the motor vehicle doors it results, for example, that due to the weight of the motor vehicle doors, both their hinge arms and the B-pillar or C-pillar carrying them deform, so that the motor vehicle door occupies a lower position in the front area than in the supply of the motor vehicle door results.
  • such deformations can first be estimated and a lead value entered.
  • the method according to the invention thus increases the assembly accuracy from assembly operation to assembly operation.
  • the automatic assembly device is thus capable of learning.
  • the method can be carried out particularly simply if the measurement is carried out by means of laser measuring heads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Automatic Assembly (AREA)

Abstract

For the automatic fitting of a motor vehicle door or flap, the motor vehicle body is automatically measured before fitting, and the necessary fitting position of the component is established in order to control the assembly device fitting the component appropriately. After the component has been fitted, its actual position in relation to the vehicle body is measured again. Correction data for the fitting of the corresponding component of the next vehicle body are obtained from the established position of the fitted component.

Description

Beschreibung description
Verfahren zum automatischen Einbau eines Bauteiles einer Kraft- fahrzeugkarosserieMethod for the automatic installation of a component of a motor vehicle body
Die Erfindung betrifft ein Verfahren zum automatischen Einbau eines Bauteiles einer Kraftfahrzeugkarosserie, insbesondere einer Fahrzeugtür oder Fahrzeugklappe, bei dem vor der Montage des Bauteils die Kraftfahrzeugkaros¬ serie automatisch vermessen, danach die erforderliche Einbaulage des Bauteiles festgelegt und eine das Einbau¬ teil montierende Montagevorrichtung entsprechend gesteu¬ ert wird.The invention relates to a method for the automatic installation of a component of a motor vehicle body, in particular a vehicle door or vehicle flap, in which the motor vehicle body is automatically measured before the component is installed, the required installation position of the component is then determined and a mounting device mounting the component is controlled accordingly ¬ ert.
Bauteile müssen meist in einer genau festgelegten Posi¬ tion zu anderen Bauteilen montiert werden. Bei Kraftfahr¬ zeugtüren genügt es beispielsweise nicht, diese vor dem Verschweißen ihrer Scharnierbleche mit der Kraftfahrzeug¬ karosserie mit einem Handhabungsgerät stets in die glei¬ che Position zu bringen, vielmehr muß man zunächst die Karosserie vermessen und dann die Lage der Kraftfahrzeug¬ tür so korrigieren, daß in der Türausnehmung nach allen Seiten hin gleich große Fugen entstehen. Ähnliche Pro¬ bleme treten auch bei der Motorhaube, bei Heckklappen und anderen Klappen auf, weil dort ungleich breite Fugen stark auffallen.Components usually have to be installed in a precisely defined position relative to other components. In the case of motor vehicle doors, for example, it is not sufficient to always bring them into the same position with a handling device before welding their hinge plates to the motor vehicle body, rather the body must first be measured and then the position of the motor vehicle door corrected in this way that joints of the same size are created in all directions in the door recess. Similar problems also occur in the bonnet, in the tailgate and other flaps, because joints of unequal width are clearly noticeable there.
Es hat sich gezeigt, daß trotz genauen Vermessens der Kraftfahrzeugkarosserie bislang keine voll befriedigende Paßgenauigkeit bei automatisch eingebauten Kraftfahrzeug¬ türen und Klappen zu erreichen ist. Ein nachträgliches Justieren solcher Kraftfahrzeugtüren und Klappen ist je¬ doch unerwünscht zeitaufwendig und unterbleibt meist aus Kostengründen. Der Verbraucher und selbst Autotester schließen jedoch meist aus ungleichmäßig breiten Fugen auf eine insgesamt schlechte Fertigungsqualität eines Fahrzeugs.It has been shown that, despite precise measurement of the motor vehicle bodywork, it has so far not been possible to achieve a completely satisfactory fit with automatically installed motor vehicle doors and flaps. Subsequent adjustment of such motor vehicle doors and flaps is undesirably time-consuming and is usually omitted for reasons of cost. However, the consumer and even car testers mostly conclude from unevenly wide joints an overall poor manufacturing quality of a vehicle.
Der Erfindung liegt das Problem zugrunde, ein Verfahren zum automatischen Einbau von Kraftfahrzeugtüren und -Klappen zu entwickeln, welches eine möglichst exakte Po¬ sitionierung dieser Bauteile in Bezug auf die Kraftfahr¬ zeugkarosserie ermöglicht, jedoch mit möglichst geringem Aufwand verwirklicht werden kann.The invention is based on the problem of developing a method for the automatic installation of motor vehicle doors and flaps which enables these components to be positioned as precisely as possible in relation to the motor vehicle body, but which can be implemented with as little effort as possible.
Dieses Problem wird erfindungsgemäß dadurch gelöst, daß nach der Montage des Einbauteils die tatsächliche Posi¬ tion des Bauteils in Bezug auf die Kraftfahrzeugkarosse¬ rie erneut gemessen wird und daß aus der ermittelten Po¬ sition des eingebauten Bauteils Korrekturdaten für die Montage des entsprechenden Bauteils der nachfolgenden Kraftfahrzeugkarosserie gewonnen werden.This problem is solved according to the invention in that after the installation of the built-in part, the actual position of the component in relation to the motor vehicle body is measured again, and that correction data for the assembly of the corresponding component of the following components is obtained from the determined position of the built-in component Motor vehicle body can be obtained.
Durch eine solche Verfahrensweise kann man nach der Mon¬ tage eines Bauteils, beispielsweise infolge von Durchbie¬ gungen tragender Bauteile, auftretende Ungenauigkeiten erfassen und mittels der gewonnenen Korrekturwerte si¬ cherstellen, daß bei der nächstfolgenden Montage diese Ungenauigkeiten nicht mehr auftreten. Bei dem erfindungs¬ gemäßen Verfahren kommt es automatisch zu einer Optimie¬ rung der Montagegenauigkeit, ohne daß man die Ursachen für eine Ungenauigkeit der Montage wissen muß. Bei Kraft¬ fahrzeugtüren ergibt es sich beispielsweise, daß aufgrund des Gewichtes der Kraftfahrzeugtüren sowohl ihre Schar¬ nierarme als auch die diese tragende B-Säule oder C-Säule sich verformen, so daß die Kraftfahrzeugtüre im vorderen Bereich eine tiefere Position einnehmen, als sich bei der Zuführung der Kraftfahrzeugtür ergibt. Bei dem erfin¬ dungsgemäßen Verfahren kann man solche Verformungen zunächst abschätzen und einen Vorhaltewert eingeben. Wenn nach der ersten Montage einer Fahrzeugtür durch den sich erfindungsgemäß anschließenden zusätzlichen Meßvorgang herausstellt, daß die Fahrzeugtür noch nicht optimal sitzt, wird diese Abweichung vom Idealwert bei der nächstfolgenden Montage automatisch mit Hilfe der Korrekturwerte aufgehoben. Durch das erfindungsgemäße Verfahren nimmt somit die Montagegenauigkeit von Montage¬ vorgang zu Montagevorgang zu. Die automatische Montage¬ einrichtung ist somit lernfähig.Such a procedure makes it possible to detect inaccuracies that occur after the assembly of a component, for example as a result of deflections in load-bearing components, and to use the correction values obtained to ensure that these inaccuracies no longer occur during the next assembly. In the method according to the invention, the assembly accuracy is automatically optimized, without having to know the causes of an inaccuracy of the assembly. In the case of motor vehicle doors, it results, for example, that due to the weight of the motor vehicle doors, both their hinge arms and the B-pillar or C-pillar carrying them deform, so that the motor vehicle door occupies a lower position in the front area than in the supply of the motor vehicle door results. In the method according to the invention, such deformations can first be estimated and a lead value entered. If after the first installation of a vehicle door through the If the subsequent additional measuring process according to the invention shows that the vehicle door is not yet optimally seated, this deviation from the ideal value is automatically canceled during the next assembly using the correction values. The method according to the invention thus increases the assembly accuracy from assembly operation to assembly operation. The automatic assembly device is thus capable of learning.
Besonders einfach ist das Verfahren durchführbar, wenn die Vermessung mittels Lasermeßköpfen erfolgt. The method can be carried out particularly simply if the measurement is carried out by means of laser measuring heads.

Claims

Patentansprüche claims
1. Verfahren zum automatischen Einbau eines Bauteiles ei¬ ner Kraftfahrzeugkarosserie, insbesondere einer Fahr¬ zeugtür oder Fahrzeugklappe, bei dem vor der Montage des Bauteils die Kraftfahrzeugkarosserie automatisch vermes¬ sen, danach die erforderliche Einbaulage des Bauteiles festgelegt und eine das Einbauteil montierende Montage¬ vorrichtung entsprechend gesteuert wird, dadurch gekenn¬ zeichnet, daß nach der Montage des Einbauteils die tatsächliche Position des Bauteils in Bezug auf die Kraftfahrzeugkarosserie erneut gemessen wird und daß aus der ermittelten Position des eingebauten Bauteils Korrek¬ turdaten für die Montage des entsprechenden Bauteils der nachfolgenden Kraftfahrzeugkarosserie gewonnen werden.1. A method for the automatic installation of a component of a motor vehicle body, in particular a vehicle door or vehicle flap, in which the motor vehicle body is measured automatically before the component is assembled, the required installation position of the component is then determined and a mounting device mounting the component is controlled accordingly, characterized in that after the installation of the built-in part the actual position of the component in relation to the motor vehicle body is measured again and that correction data for the assembly of the corresponding component of the following motor vehicle body is obtained from the determined position of the installed component become.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Vermessung mittels Lasermeßköpfen erfolgt. 2. The method according to claim 1, characterized in that the measurement is carried out by means of laser measuring heads.
PCT/DE1996/000856 1995-05-19 1996-05-15 Process for automatically fitting a motor vehicle body component WO1996036525A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU59956/96A AU5995696A (en) 1995-05-19 1996-05-15 Process for automatically fitting a motor vehicle body compo nent

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19518175.1 1995-05-19
DE1995118175 DE19518175A1 (en) 1995-05-19 1995-05-19 Method for the automatic installation of a component of a motor vehicle body

Publications (1)

Publication Number Publication Date
WO1996036525A1 true WO1996036525A1 (en) 1996-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1996/000856 WO1996036525A1 (en) 1995-05-19 1996-05-15 Process for automatically fitting a motor vehicle body component

Country Status (3)

Country Link
AU (1) AU5995696A (en)
DE (1) DE19518175A1 (en)
WO (1) WO1996036525A1 (en)

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