CN112207233A - Mold manufacturing process based on 3D printing technology - Google Patents
Mold manufacturing process based on 3D printing technology Download PDFInfo
- Publication number
- CN112207233A CN112207233A CN202011014308.3A CN202011014308A CN112207233A CN 112207233 A CN112207233 A CN 112207233A CN 202011014308 A CN202011014308 A CN 202011014308A CN 112207233 A CN112207233 A CN 112207233A
- Authority
- CN
- China
- Prior art keywords
- casting
- mold
- dimensional
- printing technology
- cae
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/043—Removing the consumable pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of 3D printing for mold production, and particularly discloses a mold manufacturing process based on a 3D printing technology, which comprises the following steps: establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part; structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality; the 3D printing technology is adopted to print the designed mold structure in the computer and the cavity integrally, compared with the traditional mold forming method, the forming process is omitted, the mold forming time can be greatly shortened, and particularly under the condition that the number of required composite material products is small or the time is urgent, the 3D printing technology mold forming method greatly improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of 3D printing for mold production, and particularly relates to a mold manufacturing process based on a 3D printing technology.
Background
The 3D printing technology is an emerging technology in the field of manufacturing industry, which is rapidly developing and is called "manufacturing technology with industrial revolutionary significance". The manufacturing principle of the 3D printing technology is based on the idea of additive manufacturing, and the manufacturing technology is essentially different from the traditional processing technology in the process of realizing product molding through cutting, grinding, stamping and the like, parts with any complex shapes can be quickly and accurately manufactured on one device only by utilizing three-dimensional design data, a mold is not needed, the processing period is effectively shortened, the quick manufacturing of single-piece small-batch complex-shaped products is easy to realize, and the manufacturing technology has obvious cost and efficiency advantages in non-batch production.
A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. According to the structural characteristics, the die can be divided into a planar blanking die and a cavity die with a space.
Chinese patent network has proposed a quick precision casting technology (publication number is CN104493094A) based on photocuring 3D printing technique, and this patent has saved mould manufacturing cost, has shortened part manufacturing cycle, has improved product development efficiency, can realize the quick precision casting of complicated shape part, however, when making the mould, still at first need make the mould, then just can the casting moulding, and the process is comparatively complicated, and in case prototype parameter needs to be revised, then need to make the mould again, reduces the availability factor of mould.
Accordingly, a mold manufacturing process based on a 3D printing technology is proposed by those skilled in the art to solve the problems set forth in the above background.
Disclosure of Invention
The invention aims to provide a die manufacturing process based on a 3D printing technology to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: the mold manufacturing process based on the 3D printing technology comprises the following steps:
s1, establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part;
s2, structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality;
s3, detection: performing tightness detection and heating function detection on the three-dimensional physical entity of the mold obtained in the step S2;
s4, simulation analysis: simulating the casting process full simulation by using CAE software, and recording physical property parameters when the CAE simulation result is consistent with the actual condition;
s5, casting the product: the structural analysis is reasonable, and meanwhile, after the CAE simulation result is in accordance with the actual condition, the die is manufactured, and the product is poured according to the obtained die;
and S6, cooling and unshelling after pouring is finished, and finishing the preparation of the die.
Preferably, the three-dimensional modeling software in the step S1 adopts any one of Pro/E, UG and SolidWorks.
Preferably, the performing CAE simulation specifically includes: firstly, introducing a three-dimensional model and material attributes of a casting into CAE software; and setting CAE analysis parameters according to the process in actual production, and carrying out CAE simulation on the die casting process.
Preferably, the concrete steps of casting the product in step S5 are as follows: carrying out silica sol slurry coating and sanding on an integral resin prototype of a target mould layer by layer to prepare a shell, putting the integral resin prototype of the target mould and the whole shell of the integral resin prototype into a high-temperature roasting furnace to carry out high-temperature roasting at the temperature of 60-90 ℃ after the shell preparation is finished, taking out the roasted shell of the target mould from the high-temperature roasting furnace and pouring molten metal liquid, vibrating and shelling after the shell is cooled, removing the hard shell coated on the outer surface of the mould, cutting off a pouring system, carrying out casting post-treatment, and finally preparing the target mould.
Preferably, the casting post-treatment comprises sequentially removing unsintered powder, performing wax penetration treatment, drying and polishing the surface.
Preferably, the product casting in step S6 includes closing the upper sand mold, the lower sand mold and the sand core to form a cavity required for casting; pouring according to a casting process; and after the pouring is finished, taking out the casting mold and the casting core to obtain a corresponding mold casting.
The invention has the technical effects and advantages that: compared with the prior art:
1. according to the invention, the 3D printing technology is utilized to design the die and the CAE is utilized to carry out simulation casting, so that the problems of long manufacturing time and high cost of the existing die are solved, the repeated manufacture of the die is avoided, the die cost of complex castings can be greatly reduced, and the method is also suitable for the production of single castings and small-batch castings; the manufacturing of a mould and the founding modeling are omitted, the weight of the casting can be reduced to a certain extent, and the utilization efficiency of the mould is improved;
2. by adopting the 3D printing technology to integrally print the designed mold structure and the cavity in the computer, compared with the traditional mold forming method, the forming process is omitted, the mold forming time can be greatly shortened, and particularly under the condition that the quantity of required composite material products is small or the time is urgent, the method for forming the mold by the 3D printing technology greatly improves the production efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a die manufacturing process based on a 3D printing technology, which comprises the following steps:
s1, establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part;
s2, structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality;
s3, detection: performing tightness detection and heating function detection on the three-dimensional physical entity of the mold obtained in the step S2;
s4, simulation analysis: simulating the casting process full simulation by using CAE software, and recording physical property parameters when the CAE simulation result is consistent with the actual condition;
s5, casting the product: the structural analysis is reasonable, and meanwhile, after the CAE simulation result is in accordance with the actual condition, the die is manufactured, and the product is poured according to the obtained die;
and S6, cooling and unshelling after pouring is finished, and finishing the preparation of the die.
Specifically, the three-dimensional modeling software in the step S1 adopts Pro/E.
Specifically, the CAE simulation specifically includes: firstly, introducing a three-dimensional model and material attributes of a casting into CAE software; and setting CAE analysis parameters according to the process in actual production, and carrying out CAE simulation on the die casting process.
Specifically, the concrete steps of pouring the product in step S5 are as follows: carrying out silica sol slurry coating and sanding on an integral resin prototype of a target mould layer by layer to prepare a shell, putting the integral resin prototype of the target mould and the whole shell of the integral resin prototype into a high-temperature roasting furnace to carry out high-temperature roasting at the temperature of 60 ℃, taking out the roasted shell of the target mould from the high-temperature roasting furnace and pouring molten metal liquid, vibrating and shelling after cooling the shell, removing the hard shell coated on the outer surface of the mould, cutting off a pouring system, carrying out casting post-treatment, and finally preparing the target mould.
Specifically, the casting post-treatment comprises sequentially removing unsintered powder, performing wax penetration treatment, drying and polishing the surface.
Specifically, the step S6 includes closing the upper sand mold, the lower sand mold and the sand core to form a cavity required for casting; pouring according to a casting process; and after the pouring is finished, taking out the casting mold and the casting core to obtain a corresponding mold casting.
Example 2
The invention provides a die manufacturing process based on a 3D printing technology, which comprises the following steps:
s1, establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part;
s2, structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality;
s3, detection: performing tightness detection and heating function detection on the three-dimensional physical entity of the mold obtained in the step S2;
s4, simulation analysis: simulating the casting process full simulation by using CAE software, and recording physical property parameters when the CAE simulation result is consistent with the actual condition;
s5, casting the product: the structural analysis is reasonable, and meanwhile, after the CAE simulation result is in accordance with the actual condition, the die is manufactured, and the product is poured according to the obtained die;
and S6, cooling and unshelling after pouring is finished, and finishing the preparation of the die.
Specifically, UG is used as the three-dimensional modeling software in step S1.
Specifically, the CAE simulation specifically includes: firstly, introducing a three-dimensional model and material attributes of a casting into CAE software; and setting CAE analysis parameters according to the process in actual production, and carrying out CAE simulation on the die casting process.
Specifically, the concrete steps of pouring the product in step S5 are as follows: carrying out silica sol slurry coating and sanding on an integral resin prototype of a target mould layer by layer to prepare a shell, putting the integral resin prototype of the target mould and the whole shell of the integral resin prototype into a high-temperature roasting furnace to carry out high-temperature roasting at the temperature of 80 ℃, taking out the roasted shell of the target mould from the high-temperature roasting furnace and pouring molten metal liquid, vibrating and shelling after cooling the shell, removing the hard shell coated on the outer surface of the mould, cutting off a pouring system, carrying out casting post-treatment, and finally preparing the target mould.
Specifically, the casting post-treatment comprises sequentially removing unsintered powder, performing wax penetration treatment, drying and polishing the surface.
Specifically, the step S6 includes closing the upper sand mold, the lower sand mold and the sand core to form a cavity required for casting; pouring according to a casting process; and after the pouring is finished, taking out the casting mold and the casting core to obtain a corresponding mold casting.
Example 3
The invention provides a die manufacturing process based on a 3D printing technology, which comprises the following steps:
s1, establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part;
s2, structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality;
s3, detection: performing tightness detection and heating function detection on the three-dimensional physical entity of the mold obtained in the step S2;
s4, simulation analysis: simulating the casting process full simulation by using CAE software, and recording physical property parameters when the CAE simulation result is consistent with the actual condition;
s5, casting the product: the structural analysis is reasonable, and meanwhile, after the CAE simulation result is in accordance with the actual condition, the die is manufactured, and the product is poured according to the obtained die;
and S6, cooling and unshelling after pouring is finished, and finishing the preparation of the die.
Specifically, the three-dimensional modeling software in step S1 uses SolidWorks.
Specifically, the CAE simulation specifically includes: firstly, introducing a three-dimensional model and material attributes of a casting into CAE software; and setting CAE analysis parameters according to the process in actual production, and carrying out CAE simulation on the die casting process.
Specifically, the concrete steps of pouring the product in step S5 are as follows: carrying out silica sol slurry coating and sanding on an integral resin prototype of a target mould layer by layer to prepare a shell, putting the integral resin prototype of the target mould and the whole shell of the integral resin prototype into a high-temperature roasting furnace to carry out high-temperature roasting at the temperature of 90 ℃, taking out the roasted shell of the target mould from the high-temperature roasting furnace and pouring molten metal liquid, vibrating and shelling after cooling the shell, removing the hard shell coated on the outer surface of the mould, cutting off a pouring system, carrying out casting post-treatment, and finally preparing the target mould.
Specifically, the casting post-treatment comprises sequentially removing unsintered powder, performing wax penetration treatment, drying and polishing the surface.
Specifically, the step S6 includes closing the upper sand mold, the lower sand mold and the sand core to form a cavity required for casting; pouring according to a casting process; and after the pouring is finished, taking out the casting mold and the casting core to obtain a corresponding mold casting.
The differences among example 1, example 2 and example 3 in the present invention are: 1. the adopted three-dimensional modeling software is different; 2. the roasting temperatures of the high-temperature roasting furnaces are different.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Mould manufacturing process based on 3D printing technology, its characterized in that: the method comprises the following steps:
s1, establishing a model: carrying out optimization design of CAD casting technology on the target part through three-dimensional modeling software, and establishing a three-dimensional model of the target part;
s2, structural analysis: printing and molding the three-dimensional model drawing drawn in the step S1 by using a 3D printer to obtain a three-dimensional physical entity of the required mold, and performing structural analysis on the printed three-dimensional physical entity model to analyze structural rationality;
s3, detection: performing tightness detection and heating function detection on the three-dimensional physical entity of the mold obtained in the step S2;
s4, simulation analysis: simulating the casting process full simulation by using CAE software, and recording physical property parameters when the CAE simulation result is consistent with the actual condition;
s5, casting the product: the structural analysis is reasonable, and meanwhile, after the CAE simulation result is in accordance with the actual condition, the die is manufactured, and the product is poured according to the obtained die;
and S6, cooling and unshelling after pouring is finished, and finishing the preparation of the die.
2. The 3D printing technology based mold manufacturing process according to claim 1, characterized in that: in the step S1, the three-dimensional modeling software adopts any one of Pro/E, UG and SolidWorks.
3. The 3D printing technology based mold manufacturing process according to claim 1, characterized in that: the CAE simulation specifically comprises: firstly, introducing a three-dimensional model and material attributes of a casting into CAE software; and setting CAE analysis parameters according to the process in actual production, and carrying out CAE simulation on the die casting process.
4. The 3D printing technology based mold manufacturing process according to claim 1, characterized in that: the concrete steps of product pouring in the step S5 are as follows: carrying out silica sol slurry coating and sanding on an integral resin prototype of a target mould layer by layer to prepare a shell, putting the integral resin prototype of the target mould and the whole shell of the integral resin prototype into a high-temperature roasting furnace to carry out high-temperature roasting at the temperature of 60-90 ℃ after the shell preparation is finished, taking out the roasted shell of the target mould from the high-temperature roasting furnace and pouring molten metal liquid, vibrating and shelling after the shell is cooled, removing the hard shell coated on the outer surface of the mould, cutting off a pouring system, carrying out casting post-treatment, and finally preparing the target mould.
5. The 3D printing technology-based mold manufacturing process according to claim 4, characterized in that: and the casting post-treatment comprises sequentially removing unsintered powder, performing wax penetration treatment, drying and polishing the surface.
6. The 3D printing technology based mold manufacturing process according to claim 1, characterized in that: the step S6, casting the product comprises the steps of closing the upper sand mold, the lower sand mold and the sand core to form a cavity required by casting; pouring according to a casting process; and after the pouring is finished, taking out the casting mold and the casting core to obtain a corresponding mold casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011014308.3A CN112207233A (en) | 2020-09-24 | 2020-09-24 | Mold manufacturing process based on 3D printing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011014308.3A CN112207233A (en) | 2020-09-24 | 2020-09-24 | Mold manufacturing process based on 3D printing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112207233A true CN112207233A (en) | 2021-01-12 |
Family
ID=74051926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011014308.3A Pending CN112207233A (en) | 2020-09-24 | 2020-09-24 | Mold manufacturing process based on 3D printing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112207233A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414855A (en) * | 2021-06-18 | 2021-09-21 | 上海建工建材科技集团股份有限公司 | Method for manufacturing bare concrete prefabricated member and mold |
| CN113459516A (en) * | 2021-06-30 | 2021-10-01 | 共享智能装备有限公司 | Combined 3D printing method, printer, system and storage medium |
| CN113560603A (en) * | 2021-06-18 | 2021-10-29 | 河北机电职业技术学院 | Machining method of bent steel pipe forming die based on 3D printing |
| CN113650202A (en) * | 2021-08-05 | 2021-11-16 | 浙江抟原复合材料有限公司 | Method for manufacturing composite material mold |
| CN113927891A (en) * | 2021-10-13 | 2022-01-14 | 深圳市犇犇手板模型有限公司 | Manufacturing process of rapid-forming hand plate model |
| CN113996755A (en) * | 2021-10-19 | 2022-02-01 | 南京晨光艺术工程有限公司 | Digital dieless manufacturing method of copper tripod |
| CN114905732A (en) * | 2022-05-23 | 2022-08-16 | 胡新香 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN115069981A (en) * | 2022-06-30 | 2022-09-20 | 中国航发北京航空材料研究院 | Method for determining trimming modulus of casting mold |
| CN116851643A (en) * | 2023-09-04 | 2023-10-10 | 张家港市仁达金属制品有限公司 | Lost wax casting method of blade |
| CN116985525A (en) * | 2023-09-25 | 2023-11-03 | 深圳正实自动化设备有限公司 | Intelligent management method and system for full-automatic vision printer |
-
2020
- 2020-09-24 CN CN202011014308.3A patent/CN112207233A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560603A (en) * | 2021-06-18 | 2021-10-29 | 河北机电职业技术学院 | Machining method of bent steel pipe forming die based on 3D printing |
| CN113414855A (en) * | 2021-06-18 | 2021-09-21 | 上海建工建材科技集团股份有限公司 | Method for manufacturing bare concrete prefabricated member and mold |
| CN113459516A (en) * | 2021-06-30 | 2021-10-01 | 共享智能装备有限公司 | Combined 3D printing method, printer, system and storage medium |
| CN113650202A (en) * | 2021-08-05 | 2021-11-16 | 浙江抟原复合材料有限公司 | Method for manufacturing composite material mold |
| CN113927891B (en) * | 2021-10-13 | 2023-03-10 | 深圳市犇犇手板模型有限公司 | Manufacturing process of rapid prototyping hand plate model |
| CN113927891A (en) * | 2021-10-13 | 2022-01-14 | 深圳市犇犇手板模型有限公司 | Manufacturing process of rapid-forming hand plate model |
| CN113996755A (en) * | 2021-10-19 | 2022-02-01 | 南京晨光艺术工程有限公司 | Digital dieless manufacturing method of copper tripod |
| CN114905732A (en) * | 2022-05-23 | 2022-08-16 | 胡新香 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN115069981A (en) * | 2022-06-30 | 2022-09-20 | 中国航发北京航空材料研究院 | Method for determining trimming modulus of casting mold |
| CN116851643A (en) * | 2023-09-04 | 2023-10-10 | 张家港市仁达金属制品有限公司 | Lost wax casting method of blade |
| CN116851643B (en) * | 2023-09-04 | 2023-11-14 | 张家港市仁达金属制品有限公司 | Lost wax casting method of blade |
| CN116985525A (en) * | 2023-09-25 | 2023-11-03 | 深圳正实自动化设备有限公司 | Intelligent management method and system for full-automatic vision printer |
| CN116985525B (en) * | 2023-09-25 | 2024-01-09 | 深圳正实自动化设备有限公司 | Intelligent management method and system for full-automatic vision printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112207233A (en) | Mold manufacturing process based on 3D printing technology | |
| CN108672655B (en) | Composite casting method with controllable casting mold temperature | |
| Liu et al. | Influence of complex structure on the shrinkage of part in investment casting process | |
| CN101554645A (en) | Manufacturing method of lost foam casting foaming mold | |
| CN101862811A (en) | Rapid investment casting method of complex thin-wall component | |
| CN101767185B (en) | Quantitative reverse deformation arrangement based method for designing cast model | |
| CN102806310B (en) | Metal component casting process | |
| CN101524739A (en) | Precision-investment casting method | |
| CN109158542A (en) | Ceramic mold casting PS unitary mould and its quick cast method based on selective laser sintering | |
| CN101992266A (en) | Manufacturing method for investment casting wax model | |
| CN101992272A (en) | Self-adaptive casting mould manufacture method for casting | |
| CN108994256A (en) | Casting production process based on 3D printing | |
| CN111112552A (en) | Precision casting forming method based on 3D printing technology | |
| CN101362187A (en) | Investment casting method | |
| CN104550719A (en) | Ice mold based investment casting technology | |
| CN110102711B (en) | Method for manufacturing casting mould of steel casting forming process | |
| CN113385639B (en) | Design method of variable wall thickness sand mold structure for controlling microstructure of casting in targeted manner and variable wall thickness sand mold structure | |
| CN104550715A (en) | Method for manufacturing integral casting metal mould | |
| CN108889924A (en) | Ferromagnetic alloy vacuum casting short route casting method | |
| CN217617592U (en) | Titanium alloy graphite mold casting mould | |
| CN209077713U (en) | A kind of ceramic mold casting PS unitary mould based on selective laser sintering | |
| CN110860658B (en) | Preparation method of wax mold gypsum core of cylindrical thin-wall complex component | |
| CN113020540A (en) | Mould-free casting mould and forming method | |
| CN103736927A (en) | Core molding string casting and vertical casting method for small-size steel casting | |
| CN114346166B (en) | Preparation method of 3D printing sand mould fine casting shell |
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 |