CN111590874A - Printing method of three-dimensional printer - Google Patents
Printing method of three-dimensional printer Download PDFInfo
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- CN111590874A CN111590874A CN202010434390.9A CN202010434390A CN111590874A CN 111590874 A CN111590874 A CN 111590874A CN 202010434390 A CN202010434390 A CN 202010434390A CN 111590874 A CN111590874 A CN 111590874A
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- 238000007639 printing Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 98
- 238000000465 moulding Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000010146 3D printing Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 238000011960 computer-aided design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
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Classifications
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- 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
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- 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
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B29C64/379—Handling of additively manufactured objects, e.g. using robots
-
- 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
- B29C64/386—Data acquisition or data processing for 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
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Robotics (AREA)
Abstract
The invention provides a printing method of a three-dimensional printer, which comprises the following steps: printing the three-dimensional object: printing the three-dimensional object layer by layer on the printing platform by the first material printing head according to a set scheme; punching: generating a connecting position hole on the forming layer by a laser puncher according to a set scheme; printing the reinforced structure: filling a second material into the connecting position hole through a second material printing head according to a set scheme, and simultaneously heating the first material on the printing platform by a heating device; after the first material printing head prints the first material on the printing platform to form three molding layers, the laser puncher generates a connecting position hole on the third molding layer, and the first molding layer is adhered to the printing platform. The reinforced structure is embedded between the forming layers of the printed three-dimensional object, so that the strength of the three-dimensional object in the vertical direction is enhanced, the connection strength between the forming layers of the printed three-dimensional object is improved, and the overall strength of the printed three-dimensional object is improved.
Description
Technical Field
The invention relates to the field of three-dimensional printing, in particular to a printing method of a three-dimensional printer.
Background
A three-dimensional printer is an apparatus for printing a three-dimensional object by using a rapid prototyping technique, which prints the three-dimensional object layer by using a material such as plastic or metal powder based on a digital model. The three-dimensional printing process is firstly modeled by Computer Aided Design (CAD) or computer animation modeling software, then the built three-dimensional model is divided into sections layer by layer, and a processing path is obtained according to the information of the analyzed sections, thereby guiding a printer to print layer by layer. According to different working principles, the rapid prototyping technology utilized by the method comprises fused deposition modeling, selective laser sintering modeling, photocuring modeling and the like.
As a representative three-dimensional printing technology, Fused Deposition Modeling (FDM) is a process for forming a three-dimensional solid model by stacking and stacking molten filament materials, and mainly includes passing a linear filament material through a high-temperature nozzle, extruding the molten material through a nozzle outlet by continuous extrusion of the filament material, and stacking the molten material layer by layer to form a three-dimensional object. Because of the adoption of the layered stacking method, the printing and forming time is generally long. The printed layers are only bonded by molten materials and then cooled, and the printed objects have lower strength due to the difference of the temperature of the materials between the layers. And local details among the layers are easy to separate, and the layers are not adhered into a whole.
At present, materials such as carbon fiber and the like are added in fused deposition modeling printing to increase the strength of a printed object, but at present, the addition of the carbon fiber materials is only added between printing layers, and the problems of layering between adjacent layers and the strength in the layer thickness direction are still not solved.
Disclosure of Invention
The invention mainly aims to provide a printing method of a three-dimensional printer, so that the connection strength between all forming layers of a printed three-dimensional object is improved, and the aim of improving the overall strength of the printed three-dimensional object is fulfilled.
In order to achieve the main object of the present invention, the present invention provides a printing method of a three-dimensional printer, the three-dimensional printer including: the printing platform is used for bearing a three-dimensional object; a first material print head for extruding a first material to print a three-dimensional object layer by layer on a print platform; the laser puncher is used for generating a connecting position hole on the forming layers of the three-dimensional object, and the depth of the connecting position hole is greater than the thickness of the two forming layers and less than the thickness of the three forming layers; a second material print head for filling the connection position hole with a second material; the heating device is used for heating the first material on the printing platform; the printing method comprises the following steps:
printing the three-dimensional object: printing the three-dimensional object layer by layer on the printing platform by the first material printing head according to a set scheme;
punching: generating a connecting position hole on the forming layer by a laser puncher according to a set scheme;
printing the reinforced structure: filling a second material into the connecting position hole through a second material printing head according to a set scheme, and simultaneously heating the first material on the printing platform by a heating device;
after the first material printing head prints the first material on the printing platform to form three molding layers, the laser puncher generates a connecting position hole on the third molding layer, and the first molding layer is adhered to the printing platform.
According to the scheme, the laser puncher is utilized to generate the connecting position holes in the forming layers of the three-dimensional object, the connecting position holes are filled with the second material, namely, the reinforcing structure is embedded between the forming layers of the printed three-dimensional object, the phenomenon that the layers of the three-dimensional object are easily layered is effectively avoided, the strength of the three-dimensional object in the vertical direction is enhanced, the connecting strength between the forming layers of the printed three-dimensional object is improved, and the overall strength of the printed three-dimensional object is improved.
Further, before the step of printing the three-dimensional object, the printing method further comprises: establishing a computer solid model of the three-dimensional object; slicing and layering the model; and obtaining the molding information of each layer of the model.
In a further aspect, the first material print head performs the perforating step for each layer of the third molding layer printed thereon.
In a further embodiment, the second material and the connection position hole form a recessed position at an end close to the second material print head, the recessed position is recessed in a direction away from the second material print head, and the recessed position is filled with the first material.
In a further embodiment, the particle diameter or particle length of the second material is greater than the thickness of one of the molding layers.
In a further aspect, the second material is one of a carbon fiber material, a metal powder material, a light-cured material, a short fiber material, and a ceramic material.
Still further, the connection position hole is located inside the three-dimensional object.
In a further embodiment, the depth direction of the connection position hole is perpendicular to the printing platform.
Drawings
FIG. 1 is a block diagram of a three-dimensional object on a printing platform in an embodiment of a three-dimensional printer according to the invention.
Fig. 2 is a cross-sectional view of a three-dimensional printer according to a first operating state of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a three-dimensional printer according to a second embodiment of the present invention.
Fig. 4 is a sectional view of a third operation state of the embodiment of the three-dimensional printer according to the present invention.
FIG. 5 is a cross-sectional view of a fourth operating state of an embodiment of the three-dimensional printer of the present invention.
Fig. 6 is a cross-sectional view of a fifth operating state of the embodiment of the three-dimensional printer according to the present invention.
Fig. 7 is a sectional view of a sixth operation state of the embodiment of the three-dimensional printer according to the present invention.
Fig. 8 is a sectional view of a seventh operating state of the embodiment of the three-dimensional printer of the present invention.
Fig. 9 is an enlarged view at a in fig. 8.
Fig. 10 is a flowchart of a printing method of the three-dimensional printer according to an embodiment of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Three-dimensional printer embodiment:
referring to fig. 1 to 4 and 9, the three-dimensional printer includes a printing platform 1, a first material printing head 3, a laser punch 4, a second material printing head 5 and a heating device (not labeled), the printing platform 1 is used for bearing a printed three-dimensional object 2, the first material printing head 3 is used for extruding a first material to print the three-dimensional object 2 layer by layer on the printing platform 1, the laser punch 4 is used for generating a connecting position hole 22 on a molding layer 21 of the three-dimensional object 2, the connecting position hole 22 extends at least between two adjacent molding layers 21 in a depth direction, and the depth of the connecting position hole 22 is larger than the thickness of one molding layer 21, preferably, the depth of the connecting position hole 22 is larger than the thickness of two molding layers 21 and smaller than the thickness of three molding layers 21. The connection position holes 22 of the present embodiment are located inside the three-dimensional object 2, and the depth direction of the connection position holes 22 may be perpendicular to the printing platform 1.
The second material print head 5 is used to fill the connection position hole 22 with the second material 23, in this embodiment, the second material 23 and the connection position hole 22 form a concave position 24 at an end close to the second material print head 5, the concave position 24 is concave in a direction away from the second material print head 5, and the concave position 24 can be filled with the first material. The particle diameter or particle length of the second material 23 is larger than the thickness of one of the molding layers 21, and preferably, the second material 23 is one of a carbon fiber material, a metal powder material, a light-curable material, a short fiber material, and a ceramic material. The heating device of the present embodiment is used to heat the first material on the printing platform 1.
Referring to fig. 2-7, after the first material print head 3 is controlled to extrude the first material to print the three-layer molded layer 21 on the printing platform 1, the laser punch 4 starts to create a plurality of connection location holes 22 in the third molded layer 21 until the connection location holes 22 extend through the third and second molded layers 21 and to the first molded layer 21, i.e., the molded layer 21 adhered to the printing platform 1, so that the depth of the connection location holes 22 is greater than the thickness of the two-layer molded layer 21 and less than the thickness of the three-layer molded layer 21. Subsequently, the second material print head 5 is filled with the second material 23 for each of the connection position holes 22, and a recessed position 24 is formed at an end near the second material print head 5. The filling of the connection position holes 22 with the second material 23 is completed and the first material print head 3 is then controlled to extrude the first material to print a fourth molded layer 21 on the third molded layer 21, wherein the first material in the fourth molded layer 21 will be embedded into the recessed locations 24. Subsequently, the laser punch 4 starts to create a plurality of connection-location holes 22 in the fourth molding layer 21, the positions of these newly created connection-location holes 22 being offset from the positions of the previously created connection-location holes 22, the newly created connection-location holes 22 extending through the fourth and third molding layers 21 and to the second molding layer 21. The second material print head 5 is then filled with the second material 23 for each newly created connection location hole 22 and a recessed location 24 is formed near one end of the second material print head 5. The three-dimensional object 2 is printed in a repeated and cyclic mode, the second material 23 is connected in an embedded mode between layers in the three-dimensional object 2, the phenomenon that the layers of the three-dimensional object 2 are prone to layering is effectively avoided, the strength of the three-dimensional object 2 in the vertical direction is enhanced, accordingly, the connection strength between the forming layers 21 of the printed three-dimensional object 2 is improved, and the overall strength of the printed three-dimensional object 2 is improved.
The embodiment of the printing method of the three-dimensional printer comprises the following steps:
with the application of the above three-dimensional printer embodiment, referring to fig. 2 to 10, the printing method of the three-dimensional printer of this embodiment includes the following steps.
First, a computer solid model building step S10 of the three-dimensional object is performed, that is, building of a computer solid model of the three-dimensional object 2 to be printed is performed by various modeling software, and simultaneously designing the position of the internal reinforcing structure of the three-dimensional object 2, that is, the arrangement position of the connection position holes 22 filled with the second material 23 between the connection molding layers 21 is designed.
Next, a slicing and layering step S20 is performed to perform slicing and layering processing based on the created computer solid model, that is, the created computer solid model is "partitioned" into layer-by-layer printing sections.
Subsequently, performing the get model per layer molding information step S30, the three-dimensional printer obtains the printed molding information for each layer of the model by wire or wirelessly, and the connection location holes 22 generate information that fills the connection location holes 22 with the second material 23.
Further, a step S40 of printing the three-dimensional object is executed, and the three-dimensional object 2 is printed layer by layer on the printing platform 1 by the first material printing head 3 according to the set scheme with the first material. Specifically, the first material print head 3 extrudes the first material to print the three-layer molded layer 21 on the printing platform 1.
Further, a punching step S50 is performed to create connection location holes 22 in the molding layer 21 by the laser punch 4 according to a set scheme, specifically, the laser punch 4 starts to create a plurality of connection location holes 22 in the third molding layer 21 until the connection location holes 22 penetrate through the third and second molding layers 21 and extend to the first molding layer 21, i.e., the molding layer 21 adhered to the printing platform 1, so that the depth of the connection location holes 22 is greater than the thickness of the two-layer molding layer 21 and less than the thickness of the three-layer molding layer 21.
Further, a step S60 of printing an enhanced structure is executed, in which the second material print head 5 fills the connection position holes 22 with the second material 23 according to the set scheme, and the heating device heats the first material on the printing platform 1. Specifically, the second material print head 5 is filled with the second material 23 for each of the connection position holes 22, and a recessed position 24 is formed at an end near the second material print head 5.
And then repeatedly looping the step S40 to the step S60 until the printing of the three-dimensional object 2 is finished.
According to the printing method of the three-dimensional printer, the reinforcing structures are embedded between the forming layers 21 in the printed three-dimensional object 2, the phenomenon that the layers of the three-dimensional object 2 are easily layered is effectively avoided, and the strength of the three-dimensional object 2 in the vertical direction is enhanced, so that the connection strength between the forming layers 21 of the printed three-dimensional object 2 is improved, and the overall strength of the printed three-dimensional object 2 is improved.
Three-dimensional object embodiments:
the three-dimensional object 2 comprises the forming layers 21 and the reinforcing structure 23, the reinforcing structure 23 is located inside the three-dimensional object 21, and the reinforcing structure 23 is at least connected with the two forming layers 21, so that the phenomenon that the layers of the three-dimensional object 2 are easily layered is effectively avoided, the strength of the three-dimensional object 2 in the vertical direction is enhanced, the connection strength between the forming layers 21 of the three-dimensional object 2 is improved, and the overall strength of the three-dimensional object 2 is improved.
The above embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications made based on the structure, characteristics and principles of the invention as claimed should be included in the claims of the present invention.
Claims (8)
1. A printing method of a three-dimensional printer is characterized in that the three-dimensional printer comprises the following steps:
the printing platform is used for bearing a three-dimensional object;
a first material print head for extruding a first material to print the three-dimensional object layer by layer on the print platform;
a laser punch for creating a connecting position hole in a profiled layer of the three-dimensional object, the connecting position hole having a depth greater than the thickness of two of the profiled layers and less than the thickness of three of the profiled layers;
a second material print head for filling the connection position hole with a second material;
a heating device for heating the first material on the printing platform;
the printing method comprises the following steps:
printing the three-dimensional object: printing the three-dimensional object layer by layer on the printing platform by the first material printing head according to a set scheme by the first material;
punching: generating the connecting position holes on the forming layer by the laser puncher according to a set scheme;
printing the reinforced structure: filling the connecting position holes with the second material through the second material printing head according to a set scheme, and simultaneously heating the first material on the printing platform by the heating device;
after the first material printing head prints the first material on the printing platform to form three molding layers, the laser puncher generates the connecting position hole on the third molding layer, and the first molding layer is adhered to the printing platform.
2. The printing method according to claim 1, wherein:
prior to the step of printing the three-dimensional object, the printing method further comprises:
establishing a computer solid model of the three-dimensional object;
carrying out slice layering on the model;
and obtaining the molding information of each layer of the model.
3. The printing method according to claim 1, wherein:
the first material print head performs a punching step for each layer of the molding layer printed on the third molding layer.
4. A printing method according to any one of claims 1 to 3, wherein:
the second material and the connecting position hole form a concave position at one end close to the second material printing head, the concave position is concave towards the direction far away from the second material printing head, and the concave position is filled with the first material.
5. A printing method according to any one of claims 1 to 3, wherein:
the particle diameter or particle length of the second material is greater than the thickness of one of the shaping layers.
6. The printing method according to claim 5, wherein:
the second material is one of a carbon fiber material, a metal powder material, a light curing material, a short fiber material and a ceramic material.
7. A printing method according to any one of claims 1 to 3, wherein:
the connection position hole is located inside the three-dimensional object.
8. The printing method according to claim 7, wherein:
the depth direction of the connecting position hole is perpendicular to the printing platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010434390.9A CN111590874A (en) | 2019-05-13 | 2019-05-13 | Printing method of three-dimensional printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434390.9A CN111590874A (en) | 2019-05-13 | 2019-05-13 | Printing method of three-dimensional printer |
| CN201910397329.9A CN109968660A (en) | 2019-05-13 | 2019-05-13 | Three-dimensional printer, Method of printing and three-dimension object |
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| CN201910397329.9A Division CN109968660A (en) | 2019-05-13 | 2019-05-13 | Three-dimensional printer, Method of printing and three-dimension object |
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| CN201910397329.9A Pending CN109968660A (en) | 2019-05-13 | 2019-05-13 | Three-dimensional printer, Method of printing and three-dimension object |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111823581A (en) * | 2020-07-13 | 2020-10-27 | 青岛科技大学 | Asynchronous 3D printing method and device with enhanced framework |
| CN112454892A (en) * | 2020-11-11 | 2021-03-09 | 四川长虹电器股份有限公司 | Method and device for improving adhesion of 3D printing layer |
| CN113844034A (en) * | 2021-09-30 | 2021-12-28 | 深圳市纵维立方科技有限公司 | Three-dimensional model punching processing method, printing method, related equipment and storage medium |
| CN114248446A (en) * | 2021-12-20 | 2022-03-29 | 广东药科大学 | Method for improving three-dimensional forming strength of biological material |
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| CN110481013A (en) * | 2019-09-27 | 2019-11-22 | 西安增材制造国家研究院有限公司 | A kind of easy pickup polymer three-dimensional printing bottom plate of large scale warpage preventing and Method of printing |
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| CN113071103A (en) * | 2021-03-11 | 2021-07-06 | 深圳市创想三维科技有限公司 | 3D printing forming method |
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| CN111823581A (en) * | 2020-07-13 | 2020-10-27 | 青岛科技大学 | Asynchronous 3D printing method and device with enhanced framework |
| CN111823581B (en) * | 2020-07-13 | 2022-12-27 | 青岛科技大学 | Asynchronous 3D printing method and device with enhanced framework |
| CN112454892A (en) * | 2020-11-11 | 2021-03-09 | 四川长虹电器股份有限公司 | Method and device for improving adhesion of 3D printing layer |
| CN113844034A (en) * | 2021-09-30 | 2021-12-28 | 深圳市纵维立方科技有限公司 | Three-dimensional model punching processing method, printing method, related equipment and storage medium |
| CN113844034B (en) * | 2021-09-30 | 2024-01-05 | 深圳市纵维立方科技有限公司 | Three-dimensional model punching processing method, printing method, related equipment and storage medium |
| CN114248446A (en) * | 2021-12-20 | 2022-03-29 | 广东药科大学 | Method for improving three-dimensional forming strength of biological material |
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