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MBD model size marking automatic standardizing method oriented to digital detection

A dimensioning and model dimensioning technology, which is applied in electrical digital data processing, geometric CAD, special data processing applications, etc., can solve the problem of irregular dimensioning objects in 3D MBD models

Inactive Publication Date: 2018-03-30
SHENYANG AEROSPACE UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the defects of the prior art, the present invention provides a digital detection-oriented method for automatically standardizing the dimensions of MBD models to solve the problem of non-standard dimensioning objects in 3D MBD models

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  • MBD model size marking automatic standardizing method oriented to digital detection
  • MBD model size marking automatic standardizing method oriented to digital detection
  • MBD model size marking automatic standardizing method oriented to digital detection

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Embodiment Construction

[0063] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0064] This embodiment uses the digital detection-oriented MBD model dimensioning automatic normalization method of the present invention for such as figure 1 The size of a certain MBD model to be detected is automatically standardized and marked.

[0065] In this example, input such as figure 2 The MBD model to be detected is shown, and the information such as dimensioning objects and dimension values ​​in the PMI is analyzed;

[0066] The dimensioning object includes the dimensioning object and the associated object. The associated object is the geometric element selected to determine the dimension value during dimensioning, that is, the edge and surface geometric ele...

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Abstract

The invention provides a MBD model size marking automatic standardizing method oriented to digital detection and relates to the field of digital design and detection. The method includes: formulatingstandardizing correction rules in different conditions, checking size marks in a given MBD model according to the standardizing correction rules to find whether objects with nonstandard size marks exist in the MBD model or not, and updating and replacing original objects with the nonstandard size marks. By the method, automatic correction of the objects with the nonstandard size marks in the MBD model is realized, burden of design personnel is relieved, marked objects after standardizing correction are enabled to meet requirements on measurability and to conform to original size mark schematicdiagrams of the design personnel, and full-automatic transmission of the MBD model from the design link to the detection link is realized.

Description

technical field [0001] The invention relates to the technical field of digital design and detection, in particular to a digital detection-oriented automatic standardization method for MBD model dimension marking. Background technique [0002] At present, the digital detection of product parts is developing towards the technical direction of using MBD (Model Based Definition) model as the only detection basis. In order to ensure the measurability of the dimensioning content of the MBD model, it is required that the marked objects should not contain geometric elements other than surfaces; however, due to the previous dimensioning habits, designers often use points or lines as dimensioning objects in the design process . On the premise of not interfering with the usage habits of designers, it is necessary to automatically correct the above-mentioned irregular dimensioning, so that the marked objects can meet the requirements of measurability and at the same time conform to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/17
Inventor 张丹雅李亮屈力刚万景洋张杰卫青延丁来军李静
Owner SHENYANG AEROSPACE UNIVERSITY