CN113306138B - Method for photocuring 3D printing of printing piece with closed cavity - Google Patents
Method for photocuring 3D printing of printing piece with closed cavity Download PDFInfo
- Publication number
- CN113306138B CN113306138B CN202010124139.2A CN202010124139A CN113306138B CN 113306138 B CN113306138 B CN 113306138B CN 202010124139 A CN202010124139 A CN 202010124139A CN 113306138 B CN113306138 B CN 113306138B
- Authority
- CN
- China
- Prior art keywords
- printing
- closed cavity
- hole
- photocuring
- prints
- 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
Images
Classifications
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a method for photocuring 3D printing of a printing piece with a closed cavity, which adopts a mode of directly opening a hole on a three-dimensional model with the closed cavity, and solves the problems that liquid printing raw materials are difficult to flow out and the inside of the closed cavity of the printing piece is difficult to clean in the photocuring 3D printing process of the original totally-closed or partially-closed printing piece. The residual materials in the sealed cavity of the printing piece are removed through the through holes, the post-processing equipment and the post-processing materials can directly act inside the sealed cavity of the printing piece through the through holes, the post-processing is more efficient, the problem that the photo-curing 3D printing is difficult to perform after-processing when the full-closed or partially sealed printing piece is adopted is solved, and the applicability of the photo-curing 3D printing is wider after the method is adopted.
Description
Technical Field
The invention relates to the technical field of three-dimensional forming, in particular to a method for printing a printing piece with a closed cavity through photocuring 3D.
Background
Stereolithography (SLA or SL) mainly uses printing raw materials as raw materials, and utilizes the characteristic that liquid printing raw materials can be rapidly solidified under the irradiation of laser beams with specific wavelengths and intensities. The printing raw material is generally liquid, the light source generally selects ultraviolet light, and the printing raw material generally causes polymerization reaction under the irradiation of ultraviolet light (250 nm-400 nm) with specific wavelength to finish curing.
Specifically, the photocuring 3D printing method comprises the following steps: the three-dimensional model is layered in one direction to obtain the outline information or image information of each layer, the data information of each layer is realized through a light source, a light pattern is irradiated on printing raw materials, after the printing raw materials in the raw materials are irradiated by light, polymerization reaction (photocuring) occurs, polymerized molecular chains can fix other materials to form a cured layer together, after the light pattern curing of the layer is completed, the next layer of curing is performed, iteration is repeated, and finally a complete printing piece (three-dimensional model) is formed.
Currently, photocuring 3D printing mainly has two modes: 1. the light source is arranged above the photocuring generation interface, the printing piece is formed below the photocuring generation interface, and the printing piece is immersed in printing raw material liquid and descends layer by layer to grow in the printing process; 2. the light source is below the photocuring occurrence interface, the printing piece is formed above the photocuring occurrence interface, and the printing process is to "pull up" the newly formed curing layer by layer from the printing raw material liquid. Both of the two methods of printing production are in liquid or pulled out of liquid, and the printing material has high viscosity and poor fluidity, so that the material can be hung on the printing material in the printing process. If the printing piece structurally has a sealed cavity, the liquid printing raw material in the sealed cavity is difficult to clear, and the interior of the sealed cavity is difficult to carry out post-treatment, so that certain influence is caused on the whole printing piece.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a printing method which is simple in operation steps and suitable for photocuring 3D printing pieces with closed cavities, solve the problem that the photocuring 3D printing pieces with fully-closed or partially-closed structures are difficult to post-process, and enable the photocuring 3D printing to be wider in applicability after the method is adopted.
A method of photocuring 3D printing a print with a closed cavity, the method comprising:
a, printing a three-dimensional model of a piece, wherein the three-dimensional model is provided with a closed cavity, the closed cavity is provided with a continuous surface, at least one through hole is formed in the surface and communicated with the inside of the closed cavity, and slicing is carried out on the three-dimensional model to obtain slicing data of the three-dimensional model;
b, transmitting the slice data of the step a to photocuring 3D printing equipment, performing layer-by-layer solidification on the printing raw material by using the photocuring 3D printing equipment according to the slice data, and superposing the solidified layers of the photocured printing raw material to form a printed piece;
c, cleaning the printed piece after the step b is finished, wherein uncured printing raw materials in the closed cavity can be discharged from the through hole;
optionally performing a post-treatment on the printed matter after the step c is completed, wherein the post-treatment operation comprises any one or more of heating, lighting or humidifying treatment on the printed matter, and the post-treatment operation further solidifies part of the incompletely solidified printing raw material in the step b;
and e, filling the through hole on the surface of the printed piece after the step d is finished.
Compared with the prior art, the technical scheme has the following advantages: the photocuring 3D printing method is simple in operation, not only solves the problem of photocuring 3D printing of a sealed cavity printing piece in structure, but also solves the problems that the original fully-closed or partially-sealed printing piece is difficult to flow out of a liquid printing raw material in the photocuring 3D printing process and the inside of the sealed cavity of the printing piece is difficult to clean by adopting a mode of directly opening a hole on a three-dimensional model with the sealed cavity. The inside defective material of printing is got rid of through-hole for the equipment of aftertreatment and commodity circulation all can be directly acted on inside printing through the through-hole, make the aftertreatment more high-efficient.
Furthermore, a plurality of through holes are formed in the continuous surface of the closed cavity, and a connecting line between at least one pair of through holes penetrates through the center of gravity of the closed cavity where the through holes are located, so that the connecting line formed between the opposite through holes can penetrate through the closed cavity as long as possible.
Furthermore, a plurality of through holes are formed on the continuous surface of the closed cavity, and a connecting line between at least one pair of through holes is parallel to the stacking direction of the solidified layers in the step b.
Further, the diameter of the through hole is 0.3-3cm, and the diameter of the through hole is adjusted according to the specification of the post-processing equipment and the size of the closed cavity.
Further, the cleaning process in the step c comprises removing the uncured printing material on the surface of the printing element and the inner surface of the closed cavity of the printing element by using a centrifugal machine and a drying machine.
Further, the cleaning treatment in the step c includes cleaning the printed piece with a cleaning agent, and the cleaning agent can enter the closed cavity from the through hole and be discharged from the through hole.
Further, the cleaning treatment in step c may utilize a pressurizing device, and the pressurized cleaning agent is used to flush the surface of the printing member and clean the inside of the closed cavity through the through hole.
Further, the cleaning agent comprises an organic solvent and/or an aqueous cleaning agent.
Further, the cleaning treatment in the step c comprises cleaning the surface attachments of the printed piece by using a fan, and cleaning the surface attachments inside the closed cavity by using the fan through the through hole.
Further, the device for heating, illuminating or humidifying the printing piece in the step d can perform post-treatment on the inside of the closed cavity through the printing piece through hole.
Further, the light source of the device for the light treatment of the printed piece in the step d extends into the closed cavity through the through hole.
Further, in the step e, the through hole of the printed piece is filled, and a material for filling is a printing raw material.
Furthermore, in the step e, the gasket with the same shape as the through hole is used for filling, and the gasket is connected with the through hole through an adhesive.
Furthermore, in the step e, the filling is performed through a gasket with the same shape as the through hole, the gasket and the through hole are bonded through printing raw materials, and then the printing raw materials are cured through post-treatment of heating, illumination or humidification treatment on the printed piece.
Drawings
FIG. 1 is a flow diagram of a method of photocuring 3D printing with continuous surface prints according to the present invention;
FIG. 2 is a schematic diagram of a print and post-processing module according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a closed cavity of a print member according to an embodiment of the present invention;
wherein 1, the cavity is sealed; 1.1, a through hole; 1.11, connecting through holes; 2. an operating member.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
The invention provides a method for photocuring 3D printing of a printing piece with a closed cavity, which mainly comprises the following steps as shown in figure 1: 1. modeling, forming a through hole on the three-dimensional model and slicing; 2. carrying out photocuring 3D printing according to the slice data; 3. cleaning the photocured printed piece; 4. carrying out secondary curing treatment on the cleaned printing piece; 5. and filling the through holes on the printed piece.
Specifically, step a, constructing a three-dimensional model of a printed product by using computer software, wherein the three-dimensional model is provided with at least one closed cavity 1, the closed cavity 1 is provided with a continuous surface, at least one through hole 1.1 is formed in the surface, the through hole 1.1 enables the inside of the closed cavity 1 to be communicated with the outside, and then slicing the three-dimensional model by using the computer software to obtain slicing data of the three-dimensional model;
b, transmitting the slice data of the step a to a photocuring 3D printing device, and performing layer-by-layer curing on the printing raw material by using the photocuring 3D printing device according to the slice data, wherein cured layers of the printing raw material after photocuring are overlapped to form a printing piece;
c, cleaning the printed material after the step b is finished, wherein the inside of the closed cavity 1 of the printed material can be cleaned through the through hole 1.1, and uncured printing raw materials in the closed cavity 1 can be discharged from the through hole 1.1;
optionally performing step d, performing post-treatment on the printed matter after the step c is completed, wherein the post-treatment operation comprises any one or more of heating, lighting or humidifying treatment on the printed matter, and the post-treatment operation enables the partially incompletely solidified printing raw materials in the step b to be further solidified;
and e, filling the through hole 1.1 on the surface of the printed piece after the step d is finished.
In some embodiments, the continuous surface of the closed cavity 1 is provided with a plurality of through holes 1.1, wherein at least one connecting line between a pair of through holes 1.1 penetrates through the center of gravity of the closed cavity 1 where the through holes are located, so that the connecting line 1.11 formed between the opposite through holes 1.1 can penetrate through the hollow structure as long as possible. For example, as shown in fig. 3, the closed cavity 1 is cylindrical, the center positions of the two bottom surfaces of the cylinder are respectively provided with a through hole 1.1, and the connecting line of the two through holes 1.1 penetrates through the center of gravity of the cylinder, so that the connecting line 1.11 formed between the through holes 1.1 can penetrate through the inside of the closed cavity 1 as much as possible, thereby facilitating the efficiency of cleaning and post-curing the inside of the closed cavity 1 of the printing material in the steps c and d.
In some embodiments, a plurality of through holes 1.1 are formed on the continuous surface of the closed cavity, a connection line between at least one pair of through holes 1.1 is parallel to the stacking direction of the cured layer in step b, as shown in fig. 3, a direction of an arrow in fig. 3 represents a photocuring 3D printing direction, that is, the stacking direction of the cured layer during printing, and a direction of a connection line 1.11 between through holes 1.1 is parallel to the photocuring 3D printing direction. By means of the design, uncured printing raw materials in the closed cavity 1 can flow out along the direction of the through hole connecting line 1.11 under the action of gravity in the printing process.
In some embodiments, the plane of the at least one through hole 1.1 on the continuous surface of the closed cavity 1 is perpendicular to the stacking direction of the cured layer during the photocuring 3D printing in step b, that is, the plane of the through hole 1.1 is perpendicular to the photocuring 3D printing direction, as shown in fig. 3, and the arrow direction in fig. 3 represents the photocuring 3D printing direction, and most preferably, the at least one through hole 1.1 is disposed on the bottom surface of the closed cavity 1, that is, the bottom surface of the through hole 1.1 is the last cured layer in the three-dimensional model. When the upper end intercommunication of through-hole 1.1 had hollow out construction, this through-hole 1.1 makes the printing piece that photocuring 3D printed the stack formation of in-process cured layer can be for a long time keep an open surface then, and this open surface is favorable to printing the backward flow of a surface liquid printing raw materials, improves the efficiency that photocuring 3D printed.
In some embodiments, in the step a, the through hole 1.1 is formed in a relatively flat position on the surface of the three-dimensional model of the printed product, so that the operation difficulty in filling the through hole 1.1 in the step e is low, or the through hole 1.1 is filled with a gasket, the surface of the gasket is also flat, and the gasket is relatively simple to process and convenient to operate.
In some embodiments, in order to enable the cleaning process of step c and the post-curing process of step d to be directly applied to the inside of the print member sealing cavity 1, as shown in fig. 2, the operating member 2 of the operating device for the cleaning process or the post-curing process is inserted into the through hole 1.1 for processing. Specifically, a cleaning machine is adopted in the step c, a guide pipe of the cleaning machine is inserted into the through hole 1.1, and a cleaning agent is filled into the closed cavity 1 for cleaning treatment; and d, the light source of the equipment for carrying out the illumination treatment on the printed piece in the step d extends into the closed cavity 1 through the through hole 1.1 to carry out post-curing treatment.
It should be further noted that the post-curing operation manner in step d may be selected to perform heating, lighting or humidification according to the characteristics of the components to be cured and supplemented included in the formula of the printing raw material, for example, if the formula of the printing raw material only includes the photo-curing component, the lighting manner is adopted in step d, and specifically, the light source of the lighting apparatus may be extended into the closed cavity 1 through the through hole.
It should be further explained that the diameter of the through hole 1.1 is adjustable according to the volume of the sealed cavity 1, and the diameter of the through hole 1.1 is reduced as much as possible under the condition of meeting the size specification of the matched operating part because the through hole 1.1 on the sealed cavity 1 needs to be refilled after cleaning and post-curing. Preferably, the diameter of 1.1 of the through-hole is 0.3-3cm.
In some embodiments, the cleaning process in step c includes first selectively using a centrifuge or a spin dryer to remove the uncured printing material on the surface of the printed matter and the inner surface of the closed cavity 1, and then cleaning the printed matter with a cleaning agent, in order to better clean the inside of the closed cavity 1, the cleaning agent can enter the closed cavity 1 from the through hole 1.1 and be discharged from the through hole 1.1, and the inlet and the outlet of the cleaning agent can be the same through hole 1.1 or different through holes 1.1 on the closed cavity 1.
In some embodiments, if the viscosity of the printing material used for the photo-curing 3D printing is relatively high and the volume of the closed cavity is relatively large, the cleaning process in step c may be performed by using a pressurizing device, flushing the surface of the printed matter with a pressurized cleaning agent, and cleaning the inside of the closed cavity 1 through the through hole 1.1.
It should be further noted that the cleaning agent used in the cleaning treatment in step c includes an organic solvent and/or a water-based cleaning agent, the specific organic solvent is preferably an ethanol solution, the water-based cleaning agent may be a common cleaning agent on the market, and the specific formula of the cleaning agent may be formulated according to a printing raw material used for the photocuring 3D printing, which is not limited in the present invention.
In some embodiments, in the cleaning treatment in the step c, after the cleaning step is completed on the printed matter by using the cleaning agent, the blower is used to clean the surface attachments on the printed matter, and the blower cleans the surface attachments inside the closed cavity 1 through the through hole 1.1.
In some embodiments, since the diameter of the through hole 1.1 in the printed material is small, in the case of less than 1cm, and the printing raw material resin for photocuring 3D printing has certain viscosity, the through hole 1.1 can be directly filled with uncured printing raw material in step e, the printing raw material is directly coated on the through hole 1.1, and then the uncured printing raw material at the through hole is subjected to post-curing treatment similar to that in step D.
In some embodiments, because the diameter of the through hole 1.1 on the printed matter is larger, in the case of more than 1cm, the through hole is filled with a gasket having the same shape as the through hole 1.1 in the step e, and the gasket is connected with the through hole 1.1 through an adhesive.
In some embodiments, due to the fact that the diameter of the through hole 1.1 in the print is larger than 1cm, in the case of more than 1cm, the through hole 1.1 is filled with a gasket having the same shape as the through hole 1.1, the gasket and the through hole 1.1 are bonded through the printing material, and the printing material is cured through post-treatment of heating, lighting or humidifying treatment on the print.
It should be further noted that the printing material mainly includes a photocurable resin monomer or oligomer and a photoinitiator, wherein the photocurable resin monomer and/or oligomer may be an acrylate material containing a carbon-carbon double bond, the specific monomer may be an acrylate, and the oligomer may be a urethane methacrylate and/or a urethane acrylate, and the photoinitiator may be one of benzoin, diphenylethanone (acetophenone), benzophenone, aroylphosphine oxide (such as 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide or referred to as TPO), thiopropoxythianthrone, or a mixture of a plurality of kinds of benzoin, diphenylethanone (benzophenone), benzophenone, and thioacylphosphine oxide.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the scope of the present invention is limited thereby, and it should be understood by those skilled in the art that various other modifications and equivalent arrangements can be made by applying the technical solutions and concepts of the present invention within the scope of the present invention as defined in the appended claims.
Claims (14)
1. A method of photocuring 3D printing a print with a closed cavity, the method comprising:
a, printing a three-dimensional model of a piece, wherein the three-dimensional model is provided with a closed cavity, the closed cavity is provided with a continuous surface, at least one through hole is formed in the surface and communicated with the inside of the closed cavity, and slicing is carried out on the three-dimensional model to obtain slicing data of the three-dimensional model;
b, transmitting the slice data of the step a to photocuring 3D printing equipment, performing layer-by-layer solidification on the printing raw material by using the photocuring 3D printing equipment according to the slice data, and superposing the solidified layers of the photocured printing raw material to form a printed piece;
c, cleaning the printed piece after the step b is finished, wherein uncured printing raw materials in the closed cavity can be discharged from the through hole;
optionally performing step d, performing post-treatment on the printed matter after the step c is completed, wherein the post-treatment operation comprises any one or more of heating, lighting or humidifying treatment on the printed matter, and the post-treatment operation enables the partially incompletely solidified printing raw material in the step b to be further solidified;
and e, filling the through hole on the surface of the printed part after the step d is finished.
2. The method of claim 1, wherein a plurality of through holes are formed in the continuous surface of the closed cavity, and a connecting line between at least one pair of through holes penetrates through the center of gravity of the closed cavity.
3. The method for photocuring 3D printing of prints with a closed cavity as claimed in claim 1, wherein the continuous surface of the closed cavity is provided with a plurality of through holes, and the line between at least one pair of through holes is parallel to the stacking direction of the cured layers in step b.
4. The method for photocuring 3D printing of prints with a closed cavity according to claim 1, wherein the through-hole has a diameter of 0.3-3cm.
5. The method for photocuring 3D printing of prints with closed cavities according to any one of claims 1 to 3, wherein the cleaning process in step c comprises using a centrifuge or a spin dryer to remove uncured printing material from the surface of the print and from the interior of the closed cavity.
6. The method for photocuring 3D printing of prints with a closed cavity according to any one of claims 1 to 3, wherein the cleaning treatment in step c comprises cleaning the prints with a cleaning agent, which can enter the closed cavity from the through hole and be discharged from the through hole.
7. The method for photocuring 3D printing of prints with closed cavity as claimed in claim 6, wherein the cleaning treatment in step c can be carried out by using a pressurizing device, using a pressurized cleaning agent to flush the surface of the print and cleaning the inside of the closed cavity through the through hole.
8. The method for photocuring 3D printing with closed cavity print of claim 7, wherein the cleaning agent comprises an organic solvent and/or an aqueous cleaning agent.
9. The method for photocuring 3D printing of prints with a closed cavity according to claim 2 or 3, wherein the cleaning treatment in the step c comprises cleaning the surface attachments of the prints by a fan, and cleaning the surface attachments inside the closed cavity by the fan through the through hole.
10. The method for photocuring 3D printing of prints with a closed cavity according to claim 1, wherein the post-treatment of the prints in step D by heating, lighting or humidifying can be performed by post-treating the interior of the closed cavity through the print through hole.
11. The method for photocuring 3D printing of prints with a closed cavity according to claim 1, wherein the irradiation treatment of the print in step D can be carried out by post-treating the inside of the closed cavity by extending a light source used for the irradiation treatment into the inside of the closed cavity through the through hole.
12. The method for photocuring 3D printing of prints with closed cavities according to claim 1, wherein the filling of the through holes of the prints in step e is performed, and the material for filling is printing raw material.
13. The method for photocuring 3D printing of prints with closed cavities according to claim 1 or 12, wherein the filling in step e is performed by a spacer with the same shape as the through hole, and the spacer and the through hole are connected by an adhesive.
14. The method for photocuring 3D printing of printing member with closed cavity as claimed in claim 1 or 12, wherein the step e is implemented by filling the through hole with a gasket having the same shape as the through hole, bonding the gasket and the through hole with printing material, and curing the printing material by post-treatment of heating, lighting or humidifying the printing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124139.2A CN113306138B (en) | 2020-02-27 | 2020-02-27 | Method for photocuring 3D printing of printing piece with closed cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124139.2A CN113306138B (en) | 2020-02-27 | 2020-02-27 | Method for photocuring 3D printing of printing piece with closed cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113306138A CN113306138A (en) | 2021-08-27 |
| CN113306138B true CN113306138B (en) | 2022-11-01 |
Family
ID=77370304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010124139.2A Active CN113306138B (en) | 2020-02-27 | 2020-02-27 | Method for photocuring 3D printing of printing piece with closed cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113306138B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379094A (en) * | 2021-12-07 | 2022-04-22 | 宁波智造数字科技有限公司 | Method for preventing photocuring 3D printing body from generating bubble defect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538707A (en) * | 2015-12-09 | 2016-05-04 | 沈阳工业大学 | Model optimization material-saving method of stereo photocuring molding technology |
| CN106426915A (en) * | 2016-10-26 | 2017-02-22 | 青岛理工大学 | High-speed continuous photocuring type 3D printing device and working method thereof |
| WO2018167603A1 (en) * | 2017-03-15 | 2018-09-20 | Indian Institute Of Science | Method of manufacturing composite solid propellant grains |
| CN109080133A (en) * | 2018-07-20 | 2018-12-25 | 宁波市石生科技有限公司 | A kind of aftertreatment technology of the 3D printing part of photocuring 3D printing manufacture |
| CN109397700A (en) * | 2017-08-15 | 2019-03-01 | 上海普利生机电科技有限公司 | 3 D-printing after-treatment system and method |
| CN209888172U (en) * | 2019-03-06 | 2020-01-03 | 上海粲美医疗科技有限公司 | 3D prints aftertreatment device |
-
2020
- 2020-02-27 CN CN202010124139.2A patent/CN113306138B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538707A (en) * | 2015-12-09 | 2016-05-04 | 沈阳工业大学 | Model optimization material-saving method of stereo photocuring molding technology |
| CN106426915A (en) * | 2016-10-26 | 2017-02-22 | 青岛理工大学 | High-speed continuous photocuring type 3D printing device and working method thereof |
| WO2018167603A1 (en) * | 2017-03-15 | 2018-09-20 | Indian Institute Of Science | Method of manufacturing composite solid propellant grains |
| CN109397700A (en) * | 2017-08-15 | 2019-03-01 | 上海普利生机电科技有限公司 | 3 D-printing after-treatment system and method |
| CN109080133A (en) * | 2018-07-20 | 2018-12-25 | 宁波市石生科技有限公司 | A kind of aftertreatment technology of the 3D printing part of photocuring 3D printing manufacture |
| CN209888172U (en) * | 2019-03-06 | 2020-01-03 | 上海粲美医疗科技有限公司 | 3D prints aftertreatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113306138A (en) | 2021-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105014974B (en) | A kind of high speed photocuring 3D printing device and Method of printing | |
| JP6256044B2 (en) | Manufacturing method of 3D objects | |
| EP2654412B1 (en) | Method and system for reuse of materials in additive manufacturing systems | |
| WO2012060203A1 (en) | Three-dimensional shaping device and three-dimensional shaping method | |
| CN106113499B (en) | A kind of more material bottom surfaces exposure continuous formation system and method | |
| CN113306138B (en) | Method for photocuring 3D printing of printing piece with closed cavity | |
| JP2005081563A (en) | Support material for three-dimensional laminated shaped article, intermediate thereof and method and apparatus for manufacturing three-dimensional laminated shaped article | |
| US11351610B2 (en) | Composite component fabrication using inkjet printing | |
| US11307499B2 (en) | Splicing nano-imprint template with repair adhesive layer, repair method of splicing seam thereof, and manufacturing method thereof | |
| Mao et al. | Multi-material stereolithography using curing-on-demand printheads | |
| CN108715032A (en) | A kind of powder face molding machine based on DLP technologies | |
| CN115943067A (en) | Laminated manufacturing using soft gel forming materials | |
| CN113385391A (en) | MEC (mechanical Engineer) curing dryer for material surface layer and using method thereof | |
| JP3088044B2 (en) | Method and apparatus for forming three-dimensional shape | |
| CN112976577A (en) | Post-processing method for printing intermediate of photocuring 3D printed piece | |
| Gibson et al. | Vat photopolymerization | |
| JP6451822B2 (en) | Modeling apparatus and model body | |
| JP2016150510A (en) | Apparatus for manufacturing three-dimensional molded object and three-dimensional molded object | |
| CN108215172A (en) | A kind of three-dimensional printer | |
| CN219748948U (en) | Light curing post-treatment integrated device | |
| CN108481738A (en) | Liquid gas interacts continous way 3D printing system, Method of printing and optical lens components | |
| US20240092032A1 (en) | Structural supports for additively manufactured articles | |
| US20230139931A1 (en) | Additive manufacturing of metal-incorporated resin objects | |
| JP4072568B2 (en) | High-precision stereolithography with optimal irradiation and lamination conditions | |
| WO2024089853A1 (en) | Method for producing shaped article by 3d printer, and 3d printer control program |
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 | ||
| GR01 | Patent grant |