EP1407332A2 - Procede de determination des effets de modification de conception - Google Patents

Procede de determination des effets de modification de conception

Info

Publication number
EP1407332A2
EP1407332A2 EP02732743A EP02732743A EP1407332A2 EP 1407332 A2 EP1407332 A2 EP 1407332A2 EP 02732743 A EP02732743 A EP 02732743A EP 02732743 A EP02732743 A EP 02732743A EP 1407332 A2 EP1407332 A2 EP 1407332A2
Authority
EP
European Patent Office
Prior art keywords
design element
construction
design
partial
objects
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Withdrawn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
EP02732743A
Other languages
German (de)
English (en)
Inventor
Martin Bohn
Thomas Herkenrath
Andreas Pietsch
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1407332A2 publication Critical patent/EP1407332A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41805—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by assembly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/14—Combination of conveyors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35223—Tolerance, consider tolerance in design, design for assembly
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35226—Analysis of tolerance propagation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • Tolerance means the size of the permitted deviation from a target specification.
  • ISO 1101 and the German standard DIN 1101 define the term “shape and position tolerance” of an element as the zone in which this element (surface, axis, Middle plane).
  • a construction is created for the physical object with the aid of at least one computer, with at least a first and a second construction stage being run through during the construction of the construction.
  • the two design levels can be successively achieved versions or variants created in parallel.
  • a dimension of a part object is the distance between two points, lines or planes of a part object.
  • a design element can in particular be a reference point and / or a recording point and / or a measuring point. In particular, it can be a measurement and / or a dimension.
  • a shape, position or dimension tolerance is defined for both design stages, preferably in accordance with the international standard ISO 1101 and the German standard DIN 1101. A total of four tolerances are therefore defined.
  • the shape, position or dimensional tolerance of the first design element is compared with that of the further design element (claim 3). If the tolerances deviate from one another, the two design elements are not compatible with each other at the respective construction status.
  • the first design element is a reference point, the further one is a starting point. In both construction stages, it is determined in which direction the reference point restricts the spatial movement of the first partial object.
  • the direction in which the recording point restricts the spatial movement of a recorded partial object is also defined in each case. There are four restrictions in total. Each restriction is preferably one in the x direction, y direction or in the z direction.
  • the direction restricted by the reference point at the first construction level is compared with the direction restricted by the reception point at the first construction level.
  • the direction restricted by the reference point in the second construction status is compared with the direction restricted by the reception point in the second construction status. If the restricted directions differ from each other, the two design elements are not compatible with each other at the respective construction status.
  • the embodiments of the invention described so far provide that information is generated about the changes between the first and the second construction stage and their effects. Processors are preferably automatically informed of the changes and effects. Then It is the responsibility of the informed processor to evaluate the information and to modify the designs. Working time is saved and the risk of errors is reduced if, instead, constructions of partial objects with design elements are automatically updated or if at least an automatic proposal for an update is generated.
  • This list includes all design elements that were selected in step B) and between the two construction stages a difference was found. This listing includes for each design element information about the differences between the two design levels.
  • Read access to a first data storage device with information about the partial objects from which the physical object is constructed in the first and second construction stages, and with administrative information about these partial objects,
  • the overall identifier is A1234567_L_I_X4Z6.
  • A is the marking for a component, L for a hole and I for indirect mounting.
  • CAD tools that are commercially available today enable product designers to integrate measurements into CAD models by hand. Different areas that are involved in product design and manufacture, such as quality management, production planning, press shop, body shop and service, determine which measuring points belong to this measurement.
  • Another embodiment of the invention provides that design elements for measurements are generated automatically. For this purpose, information about measuring points, in particular the total identifiers of the measuring points, and information about the joining sequence are evaluated. This is described in more detail below.
  • the overall identifier of MP_1 includes the identifier of TO_2 and a local identifier that distinguishes MP_2 from other measuring points in the construction of T0__2. Conversely, does the total identifier of MP_2 include the identifier of T0_1 and a local identifier for MP 1? • Conversely, does the overall identifier of MP_2 have the same identifier for the type of measurement? An example: Please note in the overall identifier of MP_1 that MP_1 is a measuring point of a gap measurement. Is it noted in the overall identifier of MP_2 that MP_2 also belongs to a gap measurement?
  • the first and the second set can consist of hundreds or even thousands of partial objects, and the tests take a lot of time.
  • GE_1 is only compared with previously created design elements for the construction of partial objects of the first or second set.
  • Let 7777777 be the part number of a device that belongs to both sets and is therefore a candidate for both design levels to be a reference part object for GE_1.
  • Let GE_2 be another design element of the construction for the device 7777777.
  • For the first and the second construction status it is checked whether GE_2 is compatible with GE_1 or not. The compatibility test is carried out by carrying out several individual tests in succession.
  • GE_1 is a reference point of the construction of 1234567.
  • GE 2 is a construction The starting point of the construction of 1010101. For the first construction status it is determined that GE_1 and GE__2 are compatible.
  • Overall identifiers are assigned for GE_1 and GE_2 as follows:

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • General Factory Administration (AREA)

Abstract

Lors de la conception d'un objet physique comportant des objets partiels et des éléments de conception, on passe généralement par plusieurs niveaux de conception. L'invention concerne un procédé permettant la sélection automatique d'autres objets partiels d'un objet physique, des différences entre deux niveaux de conception d'un premier objet partiel de l'objet physique agissant sur la conception de ces autres objets partiels. A cet effet, les différences entre les niveaux de conception sont déterminées pour un élément de conception. Ensuite, on détermine les objets partiels de référence du premier élément de conception pour le premier et le deuxième niveau de conception ainsi que les différences entre ces deux quantités d'objets partiels de référence. On utilise ce procédé, de préférence, pour la planification des tolérances et/ou la définition du concept de serrage et de fixation, par exemple pour la carrosserie d'un véhicule automobile ainsi que pour les dispositifs de production de la carrosserie.
EP02732743A 2001-06-20 2002-05-31 Procede de determination des effets de modification de conception Withdrawn EP1407332A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10129654A DE10129654B4 (de) 2001-06-20 2001-06-20 Verfahren, Vorrichtung und Computerprogramm-Produkt zum Ermitteln von Auswirkungen von Konstruktionsänderungen
DE10129654 2001-06-20
PCT/EP2002/005990 WO2003001310A2 (fr) 2001-06-20 2002-05-31 Procede de determination des effets de modification de conception

Publications (1)

Publication Number Publication Date
EP1407332A2 true EP1407332A2 (fr) 2004-04-14

Family

ID=7688771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02732743A Withdrawn EP1407332A2 (fr) 2001-06-20 2002-05-31 Procede de determination des effets de modification de conception

Country Status (5)

Country Link
US (1) US20040236787A1 (fr)
EP (1) EP1407332A2 (fr)
JP (1) JP2004530593A (fr)
DE (1) DE10129654B4 (fr)
WO (1) WO2003001310A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040267689A1 (en) * 2003-06-26 2004-12-30 Delphi Technologies Inc. Change management system
JP4239767B2 (ja) * 2003-09-16 2009-03-18 株式会社日立製作所 設計変更支援システムおよび設計変更方法ならびに設計変更支援プログラムおよびそれを記録した記録媒体
DE102005012970A1 (de) * 2005-03-21 2006-10-05 Sitech Sitztechnik Gmbh Vorrichtung und Verfahren zur Verwaltung von Daten, die einem komplexen Gegenstand zugeordnet sind
DE102007035374A1 (de) * 2007-07-25 2009-01-29 Sitech Sitztechnik Gmbh Vorrichtung und Verfahren zum Verwalten von Daten
CN103033156B (zh) * 2012-12-06 2015-12-09 山东捷众汽车零部件有限公司 一种三维设计模块辅助的三坐标测量方法及装置
DE102013008135A1 (de) * 2013-05-14 2014-11-20 Hermann van Laak Herstellung von CNC-gestützten Wickelbauteilen
US10500678B2 (en) * 2016-10-06 2019-12-10 Xiamen University Method for producing drilled cooling holes in a gas turbine engine component
JP6748046B2 (ja) * 2017-09-29 2020-08-26 日立建機株式会社 部品調達システム及び部品調達方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717598A (en) * 1990-02-14 1998-02-10 Hitachi, Ltd. Automatic manufacturability evaluation method and system
JP3475690B2 (ja) * 1996-01-29 2003-12-08 トヨタ自動車株式会社 製品情報管理方法および製品情報管理システム
WO2000045231A1 (fr) * 1999-01-29 2000-08-03 Varatech Engineering Consultants, Inc. Procede et appareil pour la conception de produits fabriques
GB9920560D0 (en) * 1999-08-31 1999-11-03 British Aerospace Feature based assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03001310A2 *

Also Published As

Publication number Publication date
DE10129654A1 (de) 2003-01-02
WO2003001310A2 (fr) 2003-01-03
JP2004530593A (ja) 2004-10-07
WO2003001310A3 (fr) 2003-12-04
US20040236787A1 (en) 2004-11-25
DE10129654B4 (de) 2006-02-23

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