CN105069243A - Catia-based part assembly relationship deriving method - Google Patents
Catia-based part assembly relationship deriving method Download PDFInfo
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- CN105069243A CN105069243A CN201510512044.7A CN201510512044A CN105069243A CN 105069243 A CN105069243 A CN 105069243A CN 201510512044 A CN201510512044 A CN 201510512044A CN 105069243 A CN105069243 A CN 105069243A
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- catia
- assembly relation
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Abstract
The present invention relates to the field of part assembly design, and in particular to a Catia-based part assembly relationship deriving method which aims to solve the problems that the existing part assembly relationship deriving method is cumbersome in process and complex in operation. The Catia-based part assembly relationship deriving method comprises: performing recursive traversal on a part tree to obtain an assembly relationship of each sub part; then establishing a position array of each sub part according to the assembly relationship; and finally deriving the position arrays automatically in a relationship table form without the help of other software. By adopting the method, particularly for counting assemblies with more parts and complex structures, the time and labor cost can be effectively saved.
Description
Technical field
The present invention relates to Assembly of the parts design field, be specifically related to a kind of parts assembly relation deriving method based on Catia.
Background technology
When carrying out trim designs with Catia, the part adding up whole part tree is sometimes needed to form and derive.Generally exported by manual statistics of carrying out or successively added up by special EBOM software at present, process is loaded down with trivial details, complicated operation.
Summary of the invention
The object of this invention is to provide a kind of parts assembly relation deriving method based on Catia, current parts assembly relation deriving method process be loaded down with trivial details to solve, the problem of complicated operation.
Technical scheme of the present invention is:
Based on a parts assembly relation deriving method of Catia, comprising:
Step one, according to input part design information, obtain described parts part tree;
Step 2, recursive traversal is carried out to described part tree, obtain the assembly relation of each subassembly in described parts;
Step 3, set up the position array of described each subassembly according to described assembly relation;
Step 4, according to described position array derive described each subassembly assembly relation table.
Alternatively, in described step 2, be utilize Catia DLL (dynamic link library), based on recursive algorithm, recursive traversal carried out to described part tree.
Alternatively, in described step 4, be that described position array is derived by Excel.
Beneficial effect of the present invention:
Parts assembly relation deriving method based on Catia of the present invention, by carrying out recursive traversal to part tree, obtain the assembly relation of each subassembly, the position array of each subassembly is set up again according to assembly relation, finally automatically derive with relation table form, without the need to by other software, particularly many to part, the statistics of baroque assembling, can save time and human cost effectively.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the part tree of the parts of the preferred embodiment of the present invention;
Fig. 2 is recursive traversal algorithm flow chart in the step 2 of the preferred embodiment of the present invention.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.
As depicted in figs. 1 and 2, a kind of parts assembly relation deriving method based on Catia provided by the invention, comprising:
Step one, according to input part design information, obtain parts part tree; Parts can comprise multiple assembling and multiple part, and can comprise multiple layer; Concrete part tree construction can with reference to as shown in Figure 1, and assembling comprises assembling A ~ assembling D, and part comprises part A ~ part G, and part is set and comprised totally 4 layers.
Step 2, in step one part tree carry out recursive traversal, obtain the assembly relation of each subassembly in parts.In this step, recursive traversal can be carried out by various software to part tree; Further, in the present embodiment, specifically utilize Catia DLL (dynamic link library), based on recursive algorithm, recursive traversal is carried out to part tree.
Shown in Figure 2, the process of traversal part tree is a recursive procedure, arranges number of plies when two position coordinates L and H record traversal respectively and line number, from root node (number of plies L and line number H is set to 1 respectively), travels through according to following steps:
1), when often visiting a node, extract nodal information, and current layer number L is carried out record together with nodal information as one with line number H;
2), judge whether present node has child node:
21) if there is child node, then current layer number L and line number H is added 1 respectively, continue the next child node of access;
22) if there is no child node, return the father node of present node, and current layer number L is subtracted 1, access the next child node of father node afterwards, finally can obtain following recursive traversal result table 1;
Recursive traversal result table 1
| figure number | nodal information | line number H | level L |
| assembling A | .。。。 | 1 | 1 |
| assembling B | .。。。 | 2 | 2 |
| part C | .。。。 | 3 | 3 |
| part D | .。。。 | 4 | 3 |
| part A | .。。。 | 5 | 2 |
| assembling C | .。。。 | 6 | 2 |
| assembling D | .。。。 | 7 | 3 |
| part F | .。。。 | 8 | 4 |
| part G | .。。。 | 9 | 4 |
| part E | .。。。 | 10 | 3 |
| part B | .。。。 | 11 | 2 |
Step 3, assembly relation according to each subassembly obtained in step 2, set up the position array of each subassembly.
Step 4, according to the position array obtained in step 3, derive each subassembly assembly relation table.Equally, in this step, position array can be derived each subassembly assembly relation table in several ways, further, in the present embodiment, position array be derived by Excel, thus obtain each subassembly assembly relation of Excel sheet form, as shown in table 2;
Each subassembly assembly relation table 2
Parts assembly relation deriving method based on Catia of the present invention, by carrying out recursive traversal to part tree, obtain the assembly relation of each subassembly, the position array of each subassembly is set up again according to assembly relation, finally automatically derive with relation table form, without the need to by other software, particularly many to part, the statistics of baroque assembling, can save time and human cost effectively.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (3)
1., based on a parts assembly relation deriving method of Catia, it is characterized in that, comprising:
Step one, according to input part design information, obtain described parts part tree;
Step 2, recursive traversal is carried out to described part tree, obtain the assembly relation of each subassembly in described parts;
Step 3, set up the position array of described each subassembly according to described assembly relation;
Step 4, according to described position array derive described each subassembly assembly relation table.
2. the parts assembly relation deriving method based on Catia according to claim 1, is characterized in that, in described step 2, is utilize Catia DLL (dynamic link library), based on recursive algorithm, carries out recursive traversal to described part tree.
3. the parts assembly relation deriving method based on Catia according to claim 1 and 2, is characterized in that, in described step 4, is described position array derived by Excel.
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| CN201510512044.7A CN105069243A (en) | 2015-08-19 | 2015-08-19 | Catia-based part assembly relationship deriving method |
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| CN201510512044.7A CN105069243A (en) | 2015-08-19 | 2015-08-19 | Catia-based part assembly relationship deriving method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106372311A (en) * | 2016-08-30 | 2017-02-01 | 阳光电源股份有限公司 | Customization assembly information obtaining method, device and system |
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| CN104598683A (en) * | 2015-01-15 | 2015-05-06 | 东北大学 | Method of automatically generating layering exploded view |
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2015
- 2015-08-19 CN CN201510512044.7A patent/CN105069243A/en active Pending
Patent Citations (3)
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| US20100262780A1 (en) * | 2009-03-31 | 2010-10-14 | Mahan Michael P | Apparatus and methods for rendering a page |
| CN101620715A (en) * | 2009-08-06 | 2010-01-06 | 余洋 | Method and system for publishing intelligent advertisement |
| CN104598683A (en) * | 2015-01-15 | 2015-05-06 | 东北大学 | Method of automatically generating layering exploded view |
Non-Patent Citations (1)
| Title |
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| 张兴华: "基于CATIA的数字化装配信息建模与序列规划研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106372311A (en) * | 2016-08-30 | 2017-02-01 | 阳光电源股份有限公司 | Customization assembly information obtaining method, device and system |
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