CN110795835A - Three-dimensional process model reverse generation method based on automatic synchronous modeling - Google Patents
Three-dimensional process model reverse generation method based on automatic synchronous modeling Download PDFInfo
- Publication number
- CN110795835A CN110795835A CN201910981667.7A CN201910981667A CN110795835A CN 110795835 A CN110795835 A CN 110795835A CN 201910981667 A CN201910981667 A CN 201910981667A CN 110795835 A CN110795835 A CN 110795835A
- Authority
- CN
- China
- Prior art keywords
- model
- information
- modeling
- feature
- processed
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 217
- 230000008569 process Effects 0.000 title claims abstract description 123
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 49
- 238000003754 machining Methods 0.000 claims abstract description 28
- 238000005516 engineering process Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000003672 processing method Methods 0.000 claims description 8
- 238000013507 mapping Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000007418 data mining Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Primary Health Care (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- General Health & Medical Sciences (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Economics (AREA)
- General Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
Abstract
The invention discloses a three-dimensional process model reverse generation method based on automatic synchronous modeling, which is characterized in that when a process model is designed and generated for a part with higher similarity, an MBD (model based definition) design model of the part is firstly imported, and all characteristics to be processed on the model are identified; according to the machining characteristics of the part, intelligent decision of process information is carried out by combining a characteristic modeling information base, and information obtained by decision is associated with corresponding machining characteristics; completing automatic synchronous modeling operation according to process information related to processing characteristics under each step; and (4) transposing the part MBD model into a blank model by adopting a reverse generation principle from the last process, and completing the generation of all process models. The invention greatly reduces the complicated repeated modeling operation of designers during the process model design, realizes the rapid generation of the process model in the three-dimensional environment and improves the efficiency of process design.
Description
The technical field is as follows:
the invention belongs to the field of computer-aided three-dimensional digital process design, and relates to a three-dimensional process model generation method based on automatic synchronous modeling.
Background art:
with the popularization and application of the three-dimensional CAD technology, the MBD technology plays an important role in the digital manufacturing field, and the MBD technology comprises the design size, the geometry, tolerance information, annotation and the like of a model. When the three-dimensional model changes, the related dimension information can be updated accordingly, so that errors possibly caused by the dimension information in transmission can be eliminated, and by means of the characteristic, the MBD-based three-dimensional model can be used as a collaborative design information source to penetrate through the whole design and manufacturing process. The MBD model is applied to the three-dimensional CAPP system, and process links such as process route design, process model design, process resource management and the like based on the MBD model can be completed, so that the product process planning time is greatly shortened, the manufacturing cost is saved, and the process design normalization is improved.
Generally, a manufacturing model is divided into a part design model, a process model and a detection model, and the process model, which is an intermediate link between design and manufacturing, is a key element for realizing seamless integration of process design and manufacturing links, so that a large amount of design and manufacturing related information is inevitably stored in the process model. Especially, for some parts with complex process, the production process is more, and the number of process models is larger, thereby influencing the design efficiency of the process. Therefore, on the premise of ensuring the complete and clear expression of the process information, the method reduces the storage space of the process model to the maximum extent, and improves the efficiency of the process model generation, which becomes a hotspot of the current study of scholars. The patent "a three-dimensional MBD process model organization and expression method based on view" (patent application No. CN201811415097.7) describes a method for organizing and expressing process models by using views, and although the method solves the problem of how to perform lightweight storage of the process models under a single main model file, the method still cannot realize rapid generation of the process models in the face of the problem of complicated and repeated process model generation, so as to achieve the purpose of improving the design efficiency. The patent "three-dimensional machining sequence model sequential modeling method based on removal of feature recognition" (patent application number: CN201210578397.3) describes a sequential process model modeling method based on removal of feature recognition, and generation of all process models needs human-computer interaction operation to be completed, so that automation requirements cannot be met and rapid generation of the process models cannot be realized.
The invention content is as follows:
the invention aims to provide a method for quickly generating a three-dimensional process model based on automatic synchronous modeling, aiming at the problems of low process design efficiency and poor universality caused by a large amount of manual and fussy repeated modeling operations in the process model design process of a certain typical part with high similarity.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a three-dimensional process model rapid generation method based on automatic synchronous modeling comprises the following steps:
the method comprises the following steps: reading an MBD part design model from three-dimensional software, and identifying and calibrating the to-be-machined features on the MBD model by using a feature identification technology.
Step two: and taking the feature to be processed identified and calibrated in the step one as an object, extracting geometric dimension information associated with the feature to be processed, combining feature attribute information stored in a feature modeling information base, applying relevant process knowledge and rules, intelligently deciding corresponding synchronous modeling method, processing allowance and dimension annotation content information, associating the decision information with the feature to be processed, and storing the decision information in the step attribute corresponding to the feature to be processed.
Step three: and on the basis of finishing the first step and the second step, starting design from the last procedure, automatically carrying out synchronous modeling operation on the MBD model according to the synchronous modeling method, the machining allowance and the size annotation content information contained in the attribute information of the feature to be machined associated with each procedure step in the procedure, and adding corresponding PMI annotation information to finish the establishment of the process model in the procedure of the current procedure.
Step four: and (4) gradually advancing the last procedure to the previous procedure by taking the last procedure as an initial procedure until the MBD part design model is converted into an MBD blank model, and completing the generation operation of the procedure model to obtain a complete three-dimensional procedure model of the part.
As a further preferable scheme, the specific method for identifying the features to be processed in the step one comprises the following steps: firstly, defining and classifying the features to be processed, identifying the features by using a feature identification technology, and then carrying out coding calibration on the features to be processed according to a formulated coding rule, so that the features to be processed and the corresponding process steps generate an interconnection relation.
As a further preferable scheme, the feature modeling information base in the second step is: and the database stores various process attribute information on the processing characteristics. And (3) performing data analysis on the machining characteristics on the three-dimensional process model of each type of typical part by adopting a data mining technology, and mining process attribute information contained in all the machining characteristics, namely a machining method, a synchronous modeling method, dimensional accuracy, machining allowance, cutting parameters and annotation requirements of the machining characteristics. Meanwhile, a mapping relation is established between the machining characteristics and the machining method and a synchronous modeling method of the process model, and process attribute information is managed and stored through a characteristic modeling information base.
As a further preferable scheme, the process knowledge and rules in the second step mainly refer to processing method selection, process resource selection, cutting amount and allowance selection, and size marking rules.
As a further preferable scheme, the method and the step for creating the process model in the third step are that the feature to be processed and the attribute information thereof associated with each process step under the process are used as input information to automatically and synchronously model the MBD model, and after the synchronous modeling operation is completed, the corresponding processing method, the machining allowance, the cutting parameter and the annotation requirement information are visually marked on the corresponding processing feature by using the PMI marking technology.
As a further preferable scheme, the automatic synchronous modeling in the third step is to utilize a computer to automatically perform synchronous modeling operation on the feature to be processed according to the determined synchronous modeling method and the machining allowance information, and the synchronous modeling method including a moving surface, a pulling-out surface, a bias area, a replacing surface and a deleting surface is used for changing the geometric shape of the part model, so as to realize the creation of the process model.
The invention has the advantages that:
1. the invention provides a three-dimensional process model reverse generation method based on automatic synchronous modeling, which solves the problem of a large number of complicated and repetitive modeling operation processes when process model design is carried out on typical parts with high similarity degree, and improves the automation degree of synchronous modeling, thereby accelerating the generation efficiency of process models and saving the time of process design.
2. The whole process model generation process adopts a uniform model data source, synchronous modeling operation and process model storage are carried out under a single model file, and therefore light-weight storage of the process model is facilitated and synchronous updating among data is guaranteed.
Description of the drawings:
FIG. 1: the general flow diagram of the present invention;
FIG. 2: processing a classification chart of the features;
FIG. 3: processing characteristic and procedure model synchronous modeling method mapping relation graph;
FIG. 4: and reversely generating a flow chart by the three-dimensional process model.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
The invention discloses a method for quickly generating a three-dimensional process model based on automatic synchronous modeling, which comprises the following specific steps as shown in figure 1:
the method comprises the following steps: reading an MBD part design model from three-dimensional software, and identifying and calibrating the to-be-machined features on the MBD model by using a feature identification technology.
Generally, a machining process consists of several steps, and the steps describe the area processed by the step with the processing characteristics as basic units. The machining features can be classified into basic features and intersecting features according to the geometry of the part, and the machining features are classified as shown in fig. 2.
On the basis of defining and classifying the features to be processed, a unified feature information model is established by converting an attribute adjacency graph of the features to be processed, feature recognition is carried out on the features to be processed through a subgraph isomorphic method according to the information model, and coding calibration is carried out on the features to be processed according to a formulated coding rule, so that a foundation is laid for subsequent process design.
Step two: and taking the feature to be processed identified and calibrated in the step one as an object, extracting geometric dimension information associated with the feature to be processed, combining feature attribute information stored in a feature modeling information base, applying relevant process knowledge and rules, intelligently deciding corresponding synchronous modeling method, processing allowance and dimension annotation content information, associating the decision information with the feature to be processed, and storing the decision information in the step attribute corresponding to the feature to be processed.
The characteristic modeling information base is a database for storing various process attribute information on processing characteristics. The process attribute information generally comprises a processing method of processing characteristics, a synchronous modeling method, dimensional accuracy, processing allowance, cutting parameters and annotation requirements, the processing characteristics on the three-dimensional process model of each type of typical part are subjected to data analysis through a data mining technology, process attribute information contained in all the processing characteristics is mined, meanwhile, a mapping relation is established between the processing characteristics and the processing method and the synchronous modeling method of the process model, taking a connecting rod as an example, the mapping relation between the processing characteristics and the synchronous modeling method of the process model is shown in figure 3, and the process attribute information is managed and stored through a characteristic modeling information base.
In the process of designing a three-dimensional process model for a part, firstly, all features to be processed on the model are identified, then, geometric dimension information and precision requirements contained in the features are obtained, relevant process knowledge and rules are applied in combination with process attribute information contained in the processing features in a feature modeling information base, and corresponding synchronous modeling methods, processing allowances, size annotation contents and other information are intelligently decided, wherein the process knowledge and rules mainly comprise processing method selection, process resource selection, cutting amount and allowance selection and size annotation rules, finally, the decision information and the features to be processed are associated, the decision information is stored in process step attributes corresponding to the features to be processed, and corresponding information support is provided for the generation of the three-dimensional process model.
Step three: and on the basis of finishing the first step and the second step, starting design from the last procedure, automatically carrying out synchronous modeling operation on the MBD model according to the synchronous modeling method, the machining allowance and the size annotation content information contained in the attribute information of the feature to be machined associated with each procedure step in the procedure, and adding corresponding PMI annotation information to finish the establishment of the process model in the procedure of the current procedure.
In the generation process of the three-dimensional process model, the design is started from the last process, the characteristics to be processed of each process step below the process are firstly obtained, then the corresponding synchronous modeling method and the machining allowance information are obtained from the attributes of the characteristics, and the characteristics are used as input information to carry out automatic synchronous modeling operation on the MBD model, so that the geometric shape of the MBD model in a specific process is changed, and the establishment of the three-dimensional process model of the process is realized.
After the creation of the process model is completed, the PMI marking technology is utilized to visually mark information on corresponding processing characteristics according to a well-decided processing method, processing allowance, cutting parameters and annotation requirement information, so that complex process information is conveniently and clearly expressed, and the access and the coupling of process compiling and user understanding to process contents are reduced.
Step four: and (4) gradually advancing the last procedure to the previous procedure by taking the last procedure as an initial procedure until the MBD part design model is converted into an MBD blank model, and completing the generation operation of the procedure model to obtain a complete three-dimensional procedure model of the part.
The three-dimensional process model is generated by adopting a reverse generation principle, the reverse generation principle is shown in figure 4, the process is gradually advanced from the last process to the previous process, the process step is taken as a basic operation unit to perform a repeated iteration generation process, firstly, a part MBD design model is read as the input of the last process model, then, automatic synchronous modeling operation and PMI information marking completion of the generation of the process model of the next process are performed according to the characteristics to be processed and the process attribute information, then, the part MBD design model is taken as the input of the next previous process model, iteration design is sequentially performed by judging whether the previous process model exists or not until all three-dimensional process models contained in the part process are generated, and the MBD part design model is converted into an MBD blank model to obtain a complete three-dimensional process model of the part.
Claims (6)
1. A three-dimensional process model reverse generation method based on automatic synchronous modeling is characterized by comprising the following steps:
the method comprises the following steps: reading an MBD part design model from three-dimensional software, and identifying and calibrating the to-be-processed features on the MBD model by using a feature identification technology;
step two: taking the feature to be processed identified and calibrated in the step one as an object, extracting geometric dimension information associated with the feature to be processed, combining feature attribute information stored in a feature modeling information base, applying relevant process knowledge and rules, intelligently deciding corresponding synchronous modeling method, processing allowance and dimension annotation content information, then associating the decision information with the feature to be processed, and storing the decision information in the step attribute corresponding to the feature to be processed;
step three: on the basis of finishing the first step and the second step, starting design from the last procedure, automatically carrying out synchronous modeling operation on an MBD model according to the synchronous modeling method, the machining allowance and the size annotation content information contained in the attribute information of the feature to be machined associated with each procedure step in the procedure, and adding corresponding PMI annotation information to finish the establishment of a procedure model in the procedure of the last procedure;
step four: and (4) gradually advancing the last procedure to the previous procedure by taking the last procedure as an initial procedure until the MBD part design model is converted into an MBD blank model, and completing the generation operation of the procedure model to obtain a complete three-dimensional procedure model of the part.
2. The three-dimensional process model reverse generation method based on automatic synchronous modeling according to claim 1, wherein the specific method steps for identifying the features to be processed in the first step are as follows: firstly, defining and classifying the features to be processed, identifying the features by using a feature identification technology, and then carrying out coding calibration on the features to be processed according to a formulated coding rule, so that the features to be processed and the corresponding process steps generate an interconnection relation.
3. The method for reversely generating a three-dimensional process model based on automatic synchronous modeling according to claim 1, wherein the characteristic modeling information base in the second step is: a database for storing various process attribute information on the processing characteristics; performing data analysis on the machining characteristics on the three-dimensional process model of each type of typical part by adopting a data mining technology, and mining process attribute information contained in all the machining characteristics, namely a machining method, a synchronous modeling method, dimensional accuracy, machining allowance, cutting parameters and annotation requirements of the machining characteristics; meanwhile, a mapping relation is established between the machining characteristics and the machining method and a synchronous modeling method of the process model, and process attribute information is managed and stored through a characteristic modeling information base.
4. The method for inversely generating the three-dimensional process model based on the automatic synchronous modeling according to claim 1, wherein the process knowledge and rules in the second step mainly refer to processing method selection, process resource selection, cutting amount and allowance selection and size marking rules.
5. The method for reversely generating the three-dimensional process model based on the automatic synchronous modeling according to claim 1, wherein the process model in the third step is created by using the feature to be processed and the attribute information thereof associated with each process step under the process as input information to automatically and synchronously model the MBD model, and visually marking the corresponding processing method, the machining allowance, the cutting parameters and the annotation requirement information on the corresponding processing feature by using a PMI marking technology after the synchronous modeling operation is completed.
6. The method for reversely generating the three-dimensional process model based on the automatic synchronous modeling according to claim 1, wherein the automatic synchronous modeling in the third step is to use a computer to automatically perform synchronous modeling operation on the feature to be processed according to the decided synchronous modeling method and the machining allowance information, and the synchronous modeling method comprising a moving surface, a pulling-out surface, a bias area, a replacing surface and a deleting surface is used for changing the geometric shape of the part model so as to realize the creation of the process model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981667.7A CN110795835A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional process model reverse generation method based on automatic synchronous modeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981667.7A CN110795835A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional process model reverse generation method based on automatic synchronous modeling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110795835A true CN110795835A (en) | 2020-02-14 |
Family
ID=69440310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910981667.7A Pending CN110795835A (en) | 2019-10-16 | 2019-10-16 | Three-dimensional process model reverse generation method based on automatic synchronous modeling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110795835A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001047A (en) * | 2020-08-19 | 2020-11-27 | 中国电子科技集团公司第十四研究所 | PMI information-based radar key part process design method |
| CN112488207A (en) * | 2020-12-02 | 2021-03-12 | 江苏科技大学 | High-similarity part visual identification method and system based on simulation image |
| CN112506474A (en) * | 2020-08-28 | 2021-03-16 | 武汉征原电气有限公司 | MBD model-based automatic programming method for on-machine measurement of 3D measuring head |
| CN115758601A (en) * | 2022-10-28 | 2023-03-07 | 南京林业大学 | Furniture manufacturing process variant design method for intelligent manufacturing of plate-type furniture |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622477A (en) * | 2012-03-01 | 2012-08-01 | 北京航空航天大学 | Three-dimensional process model evolution generation method applied to digitalized process design |
| CN104239603A (en) * | 2014-07-24 | 2014-12-24 | 江苏科技大学 | Positive sequence and negative sequence combination-based three-dimensional process model generation method |
| CN105242538A (en) * | 2015-10-12 | 2016-01-13 | 南京航空航天大学 | Layer-based part multi-processing procedure MBD model and realization method thereof |
| CN109117560A (en) * | 2018-08-17 | 2019-01-01 | 武汉理工大学 | Automobile typical machined part three-dimensional process design method and platform based on MBD |
-
2019
- 2019-10-16 CN CN201910981667.7A patent/CN110795835A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622477A (en) * | 2012-03-01 | 2012-08-01 | 北京航空航天大学 | Three-dimensional process model evolution generation method applied to digitalized process design |
| CN104239603A (en) * | 2014-07-24 | 2014-12-24 | 江苏科技大学 | Positive sequence and negative sequence combination-based three-dimensional process model generation method |
| CN105242538A (en) * | 2015-10-12 | 2016-01-13 | 南京航空航天大学 | Layer-based part multi-processing procedure MBD model and realization method thereof |
| CN109117560A (en) * | 2018-08-17 | 2019-01-01 | 武汉理工大学 | Automobile typical machined part three-dimensional process design method and platform based on MBD |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001047A (en) * | 2020-08-19 | 2020-11-27 | 中国电子科技集团公司第十四研究所 | PMI information-based radar key part process design method |
| CN112001047B (en) * | 2020-08-19 | 2024-04-09 | 中国电子科技集团公司第十四研究所 | Radar key part process design method based on PMI information |
| CN112506474A (en) * | 2020-08-28 | 2021-03-16 | 武汉征原电气有限公司 | MBD model-based automatic programming method for on-machine measurement of 3D measuring head |
| CN112488207A (en) * | 2020-12-02 | 2021-03-12 | 江苏科技大学 | High-similarity part visual identification method and system based on simulation image |
| CN112488207B (en) * | 2020-12-02 | 2023-09-22 | 江苏科技大学 | High-similarity part visual identification method and system based on simulation image |
| CN115758601A (en) * | 2022-10-28 | 2023-03-07 | 南京林业大学 | Furniture manufacturing process variant design method for intelligent manufacturing of plate-type furniture |
| CN115758601B (en) * | 2022-10-28 | 2023-08-08 | 南京林业大学 | Furniture manufacturing process modification design method for intelligent manufacturing of plate type furniture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110795835A (en) | Three-dimensional process model reverse generation method based on automatic synchronous modeling | |
| CN101339575B (en) | Three-dimensional visualized process design system and its design method | |
| WO2020034632A1 (en) | Mbd-based three-dimensional process designing method and platform for typical automobile machined part | |
| WO2015096511A1 (en) | Intelligent numerical control machining programming system and method for aircraft structural parts | |
| CN109840359B (en) | Construction method of three-dimensional machining sequence model lightweight organization mode | |
| Jong et al. | Automatic process planning of mold components with integration of feature recognition and group technology | |
| CN112861384B (en) | Three-dimensional model construction method of electrostatic precipitator based on CATIA | |
| CN105426590B (en) | Machining process characteristic tree and construction method thereof | |
| CN109614671B (en) | Three-dimensional MBD process model organization and expression method based on view | |
| Liu | Fast industrial product design method and its application based on 3D CAD system | |
| CN107678401A (en) | A kind of structural member large mold fast programming method based on threedimensional model | |
| CN112001047B (en) | Radar key part process design method based on PMI information | |
| CN107862133B (en) | Method for generating BIM models of piers in batches | |
| CN103631996A (en) | Product structure and process parallel design method based on model maturity | |
| CN110990907B (en) | Feature-resource knowledge-based three-level optimization method for manufacturability of marine diesel engine heavy parts | |
| CN112733345A (en) | Automatic three-dimensional marking method and system for aviation bolt | |
| CN115113584B (en) | Numerical control automatic programming method based on example and rule reasoning | |
| CN103729516A (en) | Three-dimensional technology inverted sequence modeling method and device | |
| CN114833461B (en) | Free steering method and sorting device for non-closed contour of laser cutting path | |
| CN103729513A (en) | Three-dimensional technology sequential modeling method and device | |
| CN110502476B (en) | Part retrieval and renaming method based on CAD system | |
| CN109460415B (en) | Similar fixture retrieval method based on N-dimensional vector included angle cosine | |
| CN113806906B (en) | Three-dimensional visualization process design system and design method for diamond roller | |
| CN103729512A (en) | Three-dimensional technology modeling method and device | |
| CN116305929B (en) | Numerical control machining simulation method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |