CN109344487B - Feature mapping-based part replacement method - Google Patents
Feature mapping-based part replacement method Download PDFInfo
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- CN109344487B CN109344487B CN201811115287.7A CN201811115287A CN109344487B CN 109344487 B CN109344487 B CN 109344487B CN 201811115287 A CN201811115287 A CN 201811115287A CN 109344487 B CN109344487 B CN 109344487B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- 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
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention discloses a feature mapping-based part replacement method, which comprises the following steps: A. designating a part to be replaced; B. acquiring the association characteristics of the parts to be replaced; C. leading in replacement parts; D. and mapping according to the acquired association characteristics. E. Acquiring the association relation of parts to be replaced; F. replacing according to the created feature map and the information existing in the association relation; G. and deleting the parts to be replaced. The invention adopts the technology based on feature mapping to solve the problem that the requirement on the current design part is higher when the part is replaced; after the method is adopted, a designer only needs to pay attention to how the parts meet the design requirement, and then the parts are replaced through feature mapping.
Description
Technical Field
The invention relates to the technical field of informatization in manufacturing industry, in particular to a feature mapping-based part replacement method.
Background
To improve design efficiency under large scale customization, experienced engineers often employ a design variant with the use of previously designed products.
In the three-dimensional-based design process of products, one of the contents is mainly related to the replacement of parts. The traditional part replacement scheme is mainly to perform proper replacement according to the space coordinate system of the previous part and the creation mode of the part. Doing so, however, can result in relatively high costs for creating the replacement part because of the need to constrain the relationship of the current design part to the part to be replaced.
Disclosure of Invention
The invention aims to provide a feature mapping-based part replacement method to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a part replacement method based on feature mapping comprises the following steps:
A. designating a part to be replaced;
B. acquiring the association characteristics of the parts to be replaced;
C. leading in replacement parts;
D. mapping is carried out according to the acquired association characteristics;
E. acquiring the association relation of parts to be replaced;
F. replacing according to the created feature map and the information existing in the association relation;
G. and deleting the parts to be replaced.
As a further technical scheme of the invention: the step A is specifically to select a part or a component to be replaced in a three-dimensional model.
As a further technical scheme of the invention: in the step B, in the three-dimensional model, the part includes a large number of features, and only the features associated with other parts or information need to be acquired, but not all the features in the part.
As a further technical scheme of the invention: and step C is specifically to import the parts to be replaced, and the step C is used for appointing the feature mapping between the parts to be replaced and the parts to be replaced.
As a further technical scheme of the invention: the step D specifically comprises the following steps: and according to the designated parts and the acquired associated features, designating the corresponding relation between the features of the replacement parts and the features of the parts to be replaced, and finishing feature mapping between the replacement parts and the features to be replaced.
As a further technical scheme of the invention: the step E specifically comprises the following steps: and acquiring the content of the related relationship according to the previous parts, wherein the content comprises the relation of assembly, the relation of label information and the relation of the tool path information and other parts or information.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the technology based on feature mapping to solve the problem that the requirement on the current design part is higher when the part is replaced; after the method is adopted, a designer only needs to pay attention to how the parts meet the design requirement, and then the parts are replaced through feature mapping.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A part replacement method based on feature mapping comprises the following steps:
A. specifying a part to be replaced: selecting parts or components to be replaced in the three-dimensional model;
B. acquiring the association characteristics of the parts to be replaced: acquiring associated features of the selected parts or components, wherein the parts comprise a large number of features in a three-dimensional model, but each feature is not required to be mapped with the feature of the part to be replaced when the part is replaced, and the associated features are mapped; in the three-dimensional model, the parts or components are not isolated but related to other parts or components, so that when the parts or components are replaced, the new parts or components can be replaced in the three-dimensional model only by mapping the features related to other parts or components; this includes features for creating fitting (constraint) relationships, features for creating sizing and labeling information (e.g., PMI); features for recording tool path information and the like associated with other components or information; that is, only the features associated with other parts or information need to be acquired, and all the features in the parts do not need to be acquired;
C. and (3) introducing replacement parts: importing the parts to be replaced, and designating feature mapping between the parts to be replaced and the parts to be replaced;
D. mapping according to the acquired association features: according to the appointed parts and the acquired association characteristics, appointing the corresponding relation between the characteristics of the replaced parts and the parts to be replaced, and finishing the characteristic mapping between the replaced parts and the parts to be replaced;
E. acquiring the association relation of parts to be replaced: the components stored in the three-dimensional model are related to other information, so that the content of the related components is acquired according to the previous components. The relationship between the assembly relationship, the annotation information relationship (namely, the information describing the relationship among one or more features), the tool path information (because the tool path information is created by the features which are hosted by the three-dimensional model) and the like and other parts or information are related;
F. replacing according to the created feature map and the information existing in the association relation; for a new replacement part, when it is loaded into the previous three-dimensional model, it has no relation to any parts or information and therefore belongs to the free state in the three-dimensional model; e, acquiring the characteristics contained in the association relation through the association relation contained in the previous part to be replaced, and replacing the characteristics contained in the association relation between the replaced part and the original part through characteristic mapping, so as to create the association relation between the new part and other parts in the three-dimensional model, and finally changing the association relation from a free state to a state fully associated with other parts and information;
G. deleting the parts to be replaced; since the replacement parts have completed their full association in the three-dimensional structure, the original parts to be replaced are no longer needed, and therefore need to be deleted, where the time when the parts to be replaced are deleted can be determined according to the actual situation, but before deletion, it should be ensured that the required information is obtained when the parts are replaced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The component replacement method based on the feature mapping is characterized by comprising the following steps of:
A. designating a part to be replaced;
B. acquiring the association characteristics of the parts to be replaced;
C. leading in replacement parts;
D. mapping is carried out according to the acquired association characteristics;
E. acquiring the association relation of the parts to be replaced;
F. replacing according to the created feature map and the information existing in the association relation;
G. deleting the parts to be replaced;
the step A is to select the parts to be replaced in the three-dimensional model;
in the step B, in the three-dimensional model, the parts contain a large number of features, and only the features related to other parts or information need to be acquired, but all the features in the parts do not need to be acquired;
the step C is specifically to import the parts to be replaced, and is used for appointing the feature mapping between the parts to be replaced and the parts to be replaced;
the step D is specifically to specify the corresponding relation between the features of the parts to be replaced and the features of the parts to be replaced in the parts to be replaced according to the parts to be replaced and the obtained associated features, and complete feature mapping between the parts to be replaced and the parts to be replaced;
the step E is specifically to acquire the content of the association relation of the parts to be replaced according to the parts to be replaced, wherein the content comprises the association relation of the assembly relation, the annotation information relation and the relation of the tool path information and other parts or information.
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| CN201811115287.7A CN109344487B (en) | 2018-09-25 | 2018-09-25 | Feature mapping-based part replacement method |
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| CN201811115287.7A CN109344487B (en) | 2018-09-25 | 2018-09-25 | Feature mapping-based part replacement method |
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| CN109344487B true CN109344487B (en) | 2023-07-21 |
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| CN114443881B (en) * | 2022-04-07 | 2022-06-28 | 邦邦汽车销售服务(北京)有限公司 | Automobile part labeling method and visualization system based on data identification |
| CN114511334B (en) * | 2022-04-17 | 2022-06-24 | 邦邦汽车销售服务(北京)有限公司 | Full-process traceability visualization method and system based on data identification and electronic tag |
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| CN107203678A (en) * | 2017-06-23 | 2017-09-26 | 艾凯克斯（嘉兴）信息科技有限公司 | A kind of parts automatic assembly method mapped based on geometric properties |
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| US20060293906A1 (en) * | 2005-06-24 | 2006-12-28 | The Boeing Company | Method of developing a plan for replacing a product component using a scanning process |
| US8301419B1 (en) * | 2009-10-09 | 2012-10-30 | The Boeing Company | Managing information for generating models of parts |
| US9183222B2 (en) * | 2014-01-28 | 2015-11-10 | Gas Technology Institute | Mapping and asset lifecycle tracking system |
| JP6884163B2 (en) * | 2016-06-17 | 2021-06-09 | ダッソー システムズ ソリッドワークス コーポレイション | Simplification of computer-aided design model in parallel with reference maintenance |
| CN107292967B (en) * | 2017-06-23 | 2021-06-18 | 艾凯克斯（嘉兴）信息科技有限公司 | Method for building three-dimensional configurable BOM (Bill of Material) containing skeleton based on geometric feature mapping |
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| CN101908174A (en) * | 2010-07-29 | 2010-12-08 | 北京数码大方科技有限公司 | Method, device and EAP (Enterprise Application Platform) system for processing part object information in drawing file |
| CN107203678A (en) * | 2017-06-23 | 2017-09-26 | 艾凯克斯（嘉兴）信息科技有限公司 | A kind of parts automatic assembly method mapped based on geometric properties |
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