CN118094824B - Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part - Google Patents
Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part Download PDFInfo
- Publication number
- CN118094824B CN118094824B CN202410524247.7A CN202410524247A CN118094824B CN 118094824 B CN118094824 B CN 118094824B CN 202410524247 A CN202410524247 A CN 202410524247A CN 118094824 B CN118094824 B CN 118094824B
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- alloy die
- point
- tensile
- casting
- 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.)
- Active
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 63
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 56
- 238000004458 analytical method Methods 0.000 title claims abstract description 30
- 230000000007 visual effect Effects 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000009864 tensile test Methods 0.000 claims abstract description 8
- 238000005206 flow analysis Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000007794 visualization technique Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a visual analysis method and a visual analysis system for mechanical properties of an integrated aluminum alloy die-casting part, which comprise the following steps: (1) Scanning and reversely modeling the integrated aluminum alloy die casting; (2) Cutting a stretching piece of the integrated aluminum alloy die casting to manufacture a stretching sample; (3) The code number of each tensile sample is in one-to-one correspondence with the specific position of each tensile sample in the integrated aluminum alloy die casting and recorded; (4) subjecting the tensile sample to a mechanical tensile test; (5) assigning a value to the geometric position of each tensile specimen; (6) The blank points without data between two similar reference points are subjected to numerical interpolation by adopting a counter weight interpolation method; (7) And forming a mechanical property cloud picture of different position points of the tensile sample. The visual analysis method and the visual analysis system for the mechanical properties of the integrated aluminum alloy die-casting part are used for carrying out mechanical property analysis on the integrated aluminum alloy die-casting part, and the consistency of the performance of an actual aluminum alloy die-casting part product and design simulation is realized.
Description
Technical Field
The invention relates to a visual analysis method and a visual analysis system for mechanical properties of an integrated aluminum alloy die-casting part, and belongs to the technical field of new energy automobile production.
Background
At present, the market of new energy automobiles is gradually growing, and how to realize the light weight of the body of the new energy automobiles so as to reduce the electricity consumption is one of the important problems considered by the majority of automobile production designers nowadays, and the advantages of aluminum alloy as a material with high mechanical properties and low density in automobile manufacturing are increasingly highlighted. In order to reduce the weight of the automobile body and reduce the technological process to a great extent, the aluminum alloy brings the best in the best of the integral die casting process due to the excellent flow property of the aluminum alloy in the die casting process, and based on the aluminum alloy, each large mainframe factory starts to develop the technology of large integral die casting aluminum alloy automobile body parts in succession, wherein the large integral die casting aluminum alloy automobile body rear floor is a representative product.
In the development and research of the existing integrated die-cast floor, the performance of an actual product and the theoretical performance of design simulation are critical to standard alignment, but considering a finite element method adopted by simulation, the mechanical performance measurement of the actual product is characterized by complex sampling of partial areas, long test flow, no unified standard of test standards and the like, and the one-to-one correspondence with the simulation result cannot be realized, so that timely feedback cannot be provided for the design stage. Therefore, by introducing the visualization method and the visualization system, the mechanical properties of the large-scale integrated aluminum alloy die-casting component can be more comprehensively and efficiently understood and analyzed.
The patent application publication number CN 115510624A discloses a dynamic performance analysis method of a drive axle assembly, which comprises the following steps: step S1, respectively establishing a matrix model according to related parameters of a driving shaft, related parameters of a rolling bearing and related parameters of a meshing pair, extracting a box superunit, and coupling and assembling the established matrix model and the extracted components to obtain a bevel gear system with a box; s2, inputting the information obtained in the matrix model building and extraction process in the step S1 into data software, and importing calculation condition information required by the components into the data software to analyze the natural frequency and the critical rotation speed of the bevel gear system with the box body after coupling assembly; and step S3, calculating a vibration acceleration spectrogram, a vibration acceleration time chart and a phase diagram of the driving and driven shafts at the bearing positions of the bevel gear system with the box body after coupling assembly under the torque under the action of the bearing, thereby completing the dynamic performance analysis of the drive axle assembly. However, the method is not suitable for mechanical property analysis of aluminum alloy die-casting parts, and is especially not suitable for design simulation of integrated aluminum alloy die-casting parts.
Disclosure of Invention
The invention mainly solves the technical problem of providing a visual analysis method and a visual analysis system for the mechanical properties of an integrated aluminum alloy die-casting part, which are used for carrying out mechanical property analysis on the integrated aluminum alloy die-casting part and realizing the consistency of the performance of an actual aluminum alloy die-casting part product and design simulation.
In order to solve the technical problems, the invention adopts the following technical scheme: the visual analysis method for the mechanical properties of the integrated aluminum alloy die-casting part comprises the following steps:
(1) Scanning and reversely modeling an actual integrated aluminum alloy die casting by adopting industrial scanning equipment and software to obtain a stl file so as to facilitate the subsequent point position reading and data input work;
(2) Cutting an integral aluminum alloy die casting by adopting a linear cutting or laser cutting mode, wherein unified cutting size standards are adopted in the subsequent cutting tests of different parts, the parallel length of the cut parts is 15-30 mm, the gauge length is 10-25mm, the cut parts are dumbbell-shaped tensile samples, and the size standard of the tensile samples is referred to from GB/T228.1-2010;
(3) Because the sample size is large, in order to facilitate the storage of subsequent data, in the cutting process of the tensile samples, the code number of each tensile sample is in one-to-one correspondence with the specific position of each tensile sample in the integrated aluminum alloy die casting and recorded;
(4) Referring to GB/T228.1-2010, carrying out mechanical tensile test on the tensile sample cut off in the subarea, wherein the tensile test adopts a mechanical extensometer or a video extensometer required by national standards, and finally outputting tensile strength Rm, yield strength Rp and elongation after fracture A;
(5) According to the position of the tensile sample recorded in the step (3), the geometric center of the whole tensile sample is considered as a data recording point, the tensile strength Rm, the yield strength Rp and the elongation after fracture A are input into the geometric position of the center point of each tensile sample, the geometric position is expressed by (x, y, z), three mechanical property values given to the geometric position points are expressed by Rm, rp and A, and the data expression form of each geometric position point is (x, y, z, rm, rp and A);
(6) Because of the complexity of the geometric shape of the part, sampling in each area is impossible, but considering that the properties of different areas of the aluminum alloy integrated large-scale die-casting part are related to the temperature gradient and the cooling rate of the aluminum liquid, the non-data blank point between two similar reference points adopts an inverse weight interpolation method to carry out numerical interpolation;
(7) The mechanical property cloud pictures of different position points of the tensile sample are formed and displayed on a display device, and the distribution of the three mechanical property numerical values of the tensile strength Rm, the yield strength Rp and the elongation after break A of the whole die casting can be qualitatively and quantitatively checked and is compared with the die flow analysis result.
Preferably, the method and formula for determining the inverse weight interpolation in the step (6) are as follows:
(a) Determining coordinates of the unknown point and the known point;
(b) Calculating the distance between the unknown point and each known point ；
，For the distance between the unknown point and the i-th known point, x, y, z are the coordinates of the unknown point,Coordinates for the i-th known point;
(c) Calculating the weight of each point: the weight is a function of the inverse of the distance ，，Weights for the i-th known point;
(d) Calculating the value of interpolation point ，，For the value of the interpolation point,To at the same timeThe value of the dot.
The invention also provides a system for the visual analysis method of the mechanical properties of the integrated aluminum alloy die-casting part, which comprises a part three-dimensional model unit, a valuation module, a mechanical property cloud picture generation unit, a die flow analysis unit and a display module, wherein the three-dimensional model unit, the valuation module, the mechanical property cloud picture generation unit, the die flow analysis unit and the display module are in signal communication with each other.
The beneficial effects of the invention are as follows: the visual analysis method and the visual analysis system for the mechanical properties of the integrated aluminum alloy die-casting part are used for carrying out mechanical property analysis on the integrated aluminum alloy die-casting part, scanning and reversely modeling are carried out on an actual integrated aluminum alloy die-casting part, assignment is carried out on a modeling model, three mechanical property values of geometric position points of a tensile sample are assigned to the model, mechanical property cloud charts of different position points of the tensile sample are formed, visual analysis is carried out on the mechanical properties of the integrated aluminum alloy die-casting part, the consistency of the performance and design simulation of an actual aluminum alloy die-casting part product is facilitated, and the design accuracy of the aluminum alloy die-casting part is improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a visual analysis method for mechanical properties of an integrated aluminum alloy die-cast part and a cut part tensile sample in the system;
FIG. 2 is a block diagram of a system for a method of visual analysis of mechanical properties of an integrated aluminum alloy die cast component.
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.
Referring to fig. 1, an embodiment of the present invention includes: a visual analysis method for mechanical properties of an integrated aluminum alloy die-casting part comprises the following steps:
(1) Scanning and reversely modeling an actual integrated aluminum alloy die casting by adopting industrial scanning equipment and software to obtain a stl file so as to facilitate the subsequent point position reading and data input work;
(2) Cutting an integral aluminum alloy die casting by adopting a linear cutting or laser cutting mode, wherein unified cutting size standards are adopted in the subsequent cutting tests of different parts, the parallel length of the cut parts is 15-30 mm, the gauge length is 10-25mm, the cut parts are dumbbell-shaped tensile samples, and the size standard of the tensile samples is referred to as GB/T228.1-2010 as shown in figure 1;
(3) Because the sample size is large, in order to facilitate the storage of subsequent data, in the cutting process of the tensile samples, the code number of each tensile sample is in one-to-one correspondence with the specific position of each tensile sample in the integrated aluminum alloy die casting and recorded;
(4) Referring to GB/T228.1-2010, a mechanical tensile test is carried out on the tensile sample cut off in the divided region, a mechanical extensometer or a video extensometer required by national standards is adopted in the tensile test, and finally the tensile strength Rm, the yield strength Rp and the elongation after break A are output, wherein the conditions of the tensile test are shown in the following table:
(5) According to the position of the tensile sample recorded in the step (3), the geometric center of the whole tensile sample is considered as a data recording point, the tensile strength Rm, the yield strength Rp and the elongation after fracture A are input into the geometric position of the center point of each tensile sample, the geometric position is expressed by (x, y, z), three mechanical property values given to the geometric position points are expressed by Rm, rp and A, and the data expression form of each geometric position point is (x, y, z, rm, rp and A);
(6) Because of the complexity of the geometric shape of the part, sampling in each area is impossible, but considering that the properties of different areas of the aluminum alloy integrated large-scale die-casting part are related to the temperature gradient and the cooling rate of the aluminum liquid, the blank point without data between two similar reference points adopts an inverse weight interpolation method to conduct numerical interpolation, and the effectiveness of the data is increased;
(7) The mechanical property cloud pictures of different position points of the tensile sample are formed and displayed on a display device, and the distribution of the three mechanical property numerical values of the tensile strength Rm, the yield strength Rp and the elongation after break A of the whole die casting can be qualitatively and quantitatively checked and is compared with the die flow analysis result.
The mechanical property cloud picture corresponds to the position in the cloud picture, a certain point in the mechanical property cloud picture is clicked by a mouse on the display device, the mechanical property numerical value of the point clicked by the mouse can be output, and the mechanical property of a certain position of the aluminum alloy die-casting part can be intuitively and visually analyzed.
Die flow analysis plays an important role in the design and manufacturing process of an aluminum alloy integrated die casting die, and particularly, the main roles of the die flow analysis include:
Optimizing the design of a die: the rationality of the mold design, such as the size and the position of a sprue, the design of a cooling water path and the like, can be checked through the mold flow analysis so as to ensure that the mold can be effectively cooled and injection molded in the production process;
Predicting potential problems: the die flow analysis can predict and check potential problems such as the position of bonding lines on the surface of the product, flow marks, injection state, filling unsaturated areas, whether deformation exists in the product or not, and the like;
the production efficiency is improved: by means of die flow analysis, optimal die casting parameters such as injection speed, injection pressure and the like can be determined before the die is manufactured, so that production efficiency is improved;
The die Flow analysis generally adopts die Flow analysis software, such as Flow3D, procasting and other software, and the die Flow analysis can obtain a temperature field, a metal fluid Flow velocity field, a solidification field of a specific die casting at a specific moment and die casting defect problems such as bubbles, rolling, insufficient casting and the like of the die casting, and the properties and defect problems of the metal fluid obtained by the die Flow analysis at the specific moment.
A property is correlated with a mechanical cloud, for example: 1. the temperature of the part at the gate is found to be too fast, the mechanical property is low, the defect problem and the obtained mechanical cloud image are mutually corresponding, and 2, the relation between the defect problem and the mechanical property can be found;
Therefore, the property of the metal fluid in the die casting process and the mechanical properties of different areas of the die casting finished product can be mutually corresponding through the die flow analysis result, the mapping of the mechanical properties and the die casting parameters is realized, and the production of the large die casting can be better guided.
Preferably, the method and formula for determining the inverse weight interpolation in the step (6) are as follows:
(a) Determining coordinates of the unknown point and the known point;
(b) Calculating the distance between the unknown point and each known point ；
，For the distance between the unknown point and the i-th known point, x, y, z are the coordinates of the unknown point,Coordinates for the i-th known point;
(c) Calculating the weight of each point: the weight is a function of the inverse of the distance ，，Weights for the i-th known point;
(d) Calculating the value of interpolation point ，，For the value of the interpolation point,To at the same timeThe value of the dot.
The invention also provides a system for the visual analysis method of the mechanical properties of the integrated aluminum alloy die-casting part, which is shown in fig. 2 and comprises a part three-dimensional model unit, a valuation module, a mechanical property cloud picture generation unit, a model flow analysis unit and a display module, wherein the three-dimensional model unit, the valuation module, the mechanical property cloud picture generation unit, the model flow analysis unit and the display module are in signal communication. The three mechanical property values Rm, rp and A of the geometric position points of the tensile sample are assigned to the three-dimensional model unit through the assignment module, a mechanical property cloud chart is formed through the mechanical property cloud chart generating unit, the mechanical property cloud chart is displayed on the display module, and the mechanical property of the integrated aluminum alloy die-casting part can be visually analyzed.
According to the visual analysis method and system for the mechanical properties of the integrated aluminum alloy die-casting part, the actual integrated aluminum alloy die-casting part is scanned and reversely modeled, the modeling model is assigned, three mechanical property values of geometric position points of a tensile sample are assigned to the model, a mechanical property cloud chart of different position points of the tensile sample is formed, visual analysis is carried out on the mechanical properties of the integrated aluminum alloy die-casting part, the consistency of the properties of an actual aluminum alloy die-casting part product and design simulation is facilitated, and the design accuracy of the aluminum alloy die-casting part is improved.
Claims (3)
1. The visual analysis method for the mechanical properties of the integrated aluminum alloy die-casting part is characterized by comprising the following steps of: the method comprises the following steps:
(1) Scanning and reversely modeling an actual integrated aluminum alloy die casting by adopting industrial scanning equipment and software to obtain a stl file;
(2) Cutting the stretching piece of the integrated aluminum alloy die casting by adopting a linear cutting or laser cutting mode, adopting unified cutting size standard in the subsequent cutting test of different parts, wherein the parallel length of the cut parts is 15-30 mm, the gauge length is 10-25mm, and the cut parts are dumbbell-shaped stretching samples;
(3) In the cutting process of the tensile samples, the code number of each tensile sample corresponds to the specific position of each tensile sample in the integrated aluminum alloy die casting one by one and records;
(4) Carrying out mechanical tensile test on the tensile sample cut off in the divided regions, wherein the tensile test adopts a mechanical extensometer or a video extensometer required by national standards, and finally outputting tensile strength Rm, yield strength Rp and elongation after fracture A;
(5) According to the position of the tensile sample recorded in the step (3), the geometric center of the whole tensile sample is considered as a data recording point, the tensile strength Rm, the yield strength Rp and the elongation after fracture A are input into the geometric position of the center point of each tensile sample, the geometric position is expressed by (x, y, z), three mechanical property values given to the geometric position points are expressed by Rm, rp and A, and the data expression form of each geometric position point is (x, y, z, rm, rp and A);
(6) The blank points without data between two similar reference points are subjected to numerical interpolation by adopting a counter weight interpolation method;
(7) And forming mechanical property cloud pictures of different position points of the tensile sample, qualitatively and quantitatively checking the distribution of three mechanical property numerical values of the tensile strength Rm, the yield strength Rp and the elongation after fracture A of the whole die casting, and comparing with a die flow analysis result.
2. The visual analysis method of mechanical properties of an integrated aluminum alloy die-casting part according to claim 1, wherein the determination method and the formula of the inverse weight interpolation in the step (6) are as follows:
(a) Determining coordinates of the unknown point and the known point;
(b) Calculating the distance between the unknown point and each known point ；
，For the distance between the unknown point and the i-th known point, x, y, z are the coordinates of the unknown point,Coordinates for the i-th known point;
(c) Calculating the weight of each point: the weight is a function of the inverse of the distance ，，Weights for the i-th known point;
(d) Calculating the value of interpolation point ，，For the value of the interpolation point,To at the same timeThe value of the dot.
3. The system for the visual analysis method of the mechanical properties of the integrated aluminum alloy die-casting part, disclosed by claim 1, is characterized by comprising a part three-dimensional model unit, a valuation module, a mechanical property cloud image generation unit, a die flow analysis unit and a display module, wherein the three-dimensional model unit, the valuation module, the mechanical property cloud image generation unit, the die flow analysis unit and the display module are in signal communication with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410524247.7A CN118094824B (en) | 2024-04-29 | 2024-04-29 | Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410524247.7A CN118094824B (en) | 2024-04-29 | 2024-04-29 | Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118094824A CN118094824A (en) | 2024-05-28 |
| CN118094824B true CN118094824B (en) | 2024-07-12 |
Family
ID=91157703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410524247.7A Active CN118094824B (en) | 2024-04-29 | 2024-04-29 | Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118094824B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871029A (en) * | 2016-09-26 | 2018-04-03 | 首都航天机械公司 | Predict the Finite Element Method of ageing strengthening Aluminum Alloy TIG Welding joint breaking process |
| CN117577235A (en) * | 2023-11-21 | 2024-02-20 | 湖南大学苏州研究院 | Mechanical property prediction method of integrated die-casting structure based on crystal plasticity finite element |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160034614A1 (en) * | 2014-08-01 | 2016-02-04 | GM Global Technology Operations LLC | Materials property predictor for cast aluminum alloys |
| CN117907561A (en) * | 2024-01-19 | 2024-04-19 | 国汽轻量化(江苏)汽车技术有限公司 | Light alloy comprehensive evaluation structure and method for large die castings |
-
2024
- 2024-04-29 CN CN202410524247.7A patent/CN118094824B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871029A (en) * | 2016-09-26 | 2018-04-03 | 首都航天机械公司 | Predict the Finite Element Method of ageing strengthening Aluminum Alloy TIG Welding joint breaking process |
| CN117577235A (en) * | 2023-11-21 | 2024-02-20 | 湖南大学苏州研究院 | Mechanical property prediction method of integrated die-casting structure based on crystal plasticity finite element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118094824A (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111968004A (en) | High-precision product assembling and adjusting integrated system based on digital twins | |
| CN111159793A (en) | Digital twin five-dimensional model based 3D printer modeling method and model system | |
| JP2008197852A (en) | Analysis device and analysis system for structure development of workpiece in plastic working, and recording medium | |
| CN101561262B (en) | Surface roughness on line measurement method under uncertain condition | |
| CN101685475A (en) | Analytical model preparation method, and simulation system method for predicting molding failure | |
| CN106584031A (en) | Manufacturing method of automobile box body part injection mold based on Moldflow | |
| CN118094824B (en) | Visual analysis method and system for mechanical properties of integrated aluminum alloy die-casting part | |
| Zhang et al. | Size effect on surface generation of multiphase alloys in ultra-precision fly cutting | |
| CN113420448B (en) | Digital twin system and method for ammunition fusion casting charging forming process | |
| CN113139253B (en) | Peritectic steel solidification phase change stress prediction method | |
| Zhou et al. | A systematic approach to model and optimize qualities of castings produced by squeeze casting process | |
| CN117400062A (en) | Cutter wear monitoring method and device based on digital twin driving | |
| Wang et al. | Computer-aided mold design and manufacturing | |
| CN111368416A (en) | Large-scale steel casting mold filling sensing correction method and system | |
| CN106326574A (en) | Method for calculating extreme strength number based on welding deformation and residual stress | |
| Hyrcza-Michalska | Application of a Digital Strain Analyzer AutoGrid at Thin Sheet Metals Mechanical Characteristics Preparation and Assessment of Their Drawability | |
| JP4032755B2 (en) | Molding simulation method, molding simulation apparatus, molding simulation program, and computer-readable recording medium recording the molding simulation program | |
| CN202583014U (en) | Device for testing aluminum alloy hot cracking on condition of applying load actively | |
| Li et al. | Research on the accuracy of dieless single point incremental forming based on machine vision | |
| CN112476878A (en) | Injection mold manufacturing method based on CAE application | |
| Zhang et al. | Performance-oriented digital twin assembly of high-end equipment: a review | |
| CN113405485B (en) | Surface quality diagnosis method based on plastic deformation-aerodynamic cross theory | |
| JP2002001488A (en) | Manufacturing method for aluminum foil | |
| CN115374574B (en) | Digital twinning system for impact hydroforming and construction method | |
| CN114818406A (en) | Cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of castings |
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 | ||
| GR01 | Patent grant |