CN105690762A - Printing head for 3D printing of powder material - Google Patents
Printing head for 3D printing of powder material Download PDFInfo
- Publication number
- CN105690762A CN105690762A CN201610052444.9A CN201610052444A CN105690762A CN 105690762 A CN105690762 A CN 105690762A CN 201610052444 A CN201610052444 A CN 201610052444A CN 105690762 A CN105690762 A CN 105690762A
- Authority
- CN
- China
- Prior art keywords
- melt
- printhead
- dusty material
- nozzle
- 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.)
- Pending
Links
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Abstract
The invention discloses a printing head for 3D printing of a powder material. The printing head for 3D printing of the powder material comprises a melting extrusion mechanism, a printing head body connected with the melting extrusion mechanism, and a driving mechanism. The melting extrusion mechanism is used for conveying the powder material subjected to heating melting to the printing head body. The driving mechanism is used for driving the melting extrusion mechanism. The printing head body comprises a melt pump connected with the melting extrusion mechanism. An outlet of the melt pump is connected with a nozzle mechanism. According to the printing head for 3D printing of the powder material, the temperature of the position of the nozzle is controlled actively so that the optimal viscosity and forming temperature can be provided for powder materials having different properties, and the problem that coagulation is caused due to the fact that the material temperature is decreased in the position of the nozzle, and consequentially the material cannot be extruded is solved; meanwhile, the problem that rapid forming of the materials cannot be achieved easily due to the fact that the temperature is too high is solved; the lower end of a screw is directly connected to the melt pump, a pressure sensor is additionally arranged, the real-time pressure of melt is obtained through the pressure sensor, and the rotating speed of the screw is adjusted; and different rotating speed ranges are adopted according to different materials, and the optimal extrusion pressure range is obtained.
Description
Technical field
The present invention relates to 3D printing technique field, specifically a kind of 3D prints dusty material printhead。
Background technology
The material that current 3D printer uses mostly is PLA or ABS wire rod, adopts the mode (FDM) of fusion sediment by extrusion mechanism extruding conveying wire rod, melted at nozzle place and then deposit to and realize 3D on platform and print。Chinese patent application 201410425332.4 (publication number: CN104149352A), disclose a kind of 3D printer printhead, the printhead of above-mentioned patent, powder material can be printed, but discharging opening temperature is realized by front end Insulation, cannot realizing actively control, this is disadvantageous for the molding of temperature-sensitive material。Melt pressure is controlled by the check valve of screw rod lower end, extrusion pressure is confined to open the force value of check valve by the method, it is impossible to enough realizing the change of continuous print pressure, powder material is printed dispensable by this, and adding the complexity of structure, practicality is not enough。
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of 3D to print dusty material printhead。
Technical scheme: for solving above-mentioned technical problem, a kind of 3D of the present invention prints dusty material printhead, including the printhead melt extruding mechanism and melt extrude mechanism and be connected and driving mechanism, described melt extruding mechanism for being conveyed through the dusty material adding heat fusing to printhead, driving mechanism melt extrudes mechanism for driving；Described printhead includes and melt extrudes the gear pump that mechanism is connected, and gear delivery side of pump is connected with nozzle mechanism。
Further, described nozzle mechanism includes the nozzle matrix being connected with gear pump, is provided with the nozzle connected with gear pump in nozzle matrix, is additionally provided with heating rod in nozzle matrix。
Further, it is provided with temperature sensor in described nozzle matrix。
Further, described in melt extrude mechanism be single screw extrusion machine or double screw extruder, single screw extrusion machine or be provided with heater outside double screw extruder。
Further, described heater is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is additionally provided with muff outside thermocouple。
Further, the screw rod of described single screw extrusion machine or double screw extruder is connected with driving mechanism, and described driving mechanism includes the speed change gear being connected with screw rod, and drives the motor of speed change gear。
Further, the discharging opening melt extruding mechanism described in is provided with pressure transducer。
Further, the charging aperture place melt extruding mechanism described in is provided with hopper。
Further, described Melt Pump is gear pump。
Beneficial effect: a kind of 3D of the present invention prints dusty material printhead, nozzle place temperature actively controls, best viscosity and forming temperature can be provided, it is to avoid condense owing to nozzle place material temperature declines, cause the problem that material cannot be extruded for dusty material of different nature；Screw rod lower end is connected directly to Melt Pump, removes check valve, increases pressure transducer simultaneously, obtained the real-time pressure of melt and then adjusting screw rod rotating speed by pressure transducer；Adopt different rotating speeds according to different materials, obtain the extrusion pressure of the best。
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the elevational cross-sectional view of Fig. 1。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described。
A kind of 3D as shown in Figure 1 and Figure 2 prints dusty material printhead, including melt extruding mechanism 1 and 1 printhead 2 being connected and the driving mechanism that melt extrude mechanism, melt extruding mechanism 1 for being conveyed through the dusty material adding heat fusing to printhead 2, driving mechanism melt extrudes mechanism 1 for driving；Printhead 2 includes and melt extrudes the gear pump 21 that mechanism 1 is connected, the outlet of gear pump 21 is connected with nozzle mechanism, nozzle mechanism includes the nozzle matrix 22 being connected with gear pump 21, the nozzle 23 connected with gear pump 21 is installed in nozzle matrix 22, heating rod 24 and temperature sensor 25 it is also equipped with in nozzle matrix 22, melt extrude mechanism 1 and adopt single screw extrusion machine or double screw extruder, single screw extrusion machine or add outside double screw extruder and be provided with heater 11。Heater 11 is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is also set with muff 12 outside thermocouple。The screw rod of single screw extrusion machine or double screw extruder is connected with driving mechanism, and driving mechanism includes the speed change gear 13 being connected with screw rod, and drives the motor 14 of speed change gear 13。Speed change gear 13 is decelerator, for reducing the rotating speed of motor 14。It is also equipped with pressure transducer 26 at the discharging opening melt extruding mechanism 1。Each above-mentioned temperature sensor 25 and pressure transducer 26, it is connected to controller, controller connects thermocouple and heating rod 23, temperature and pressure signal by temperature sensor with pressure transducer feedback, control the temperature of thermocouple and heating rod 23, and then for the dusty material of various trait, different thermocouples and the temperature of heating rod 23 can be set, to ensure the molten condition of melt。
In use, the temperature of the thermocouple in the screw rod region of single screw extrusion machine or double screw extruder is set, and sets the temperature of nozzle place heating rod 23, screw speed is set；After temperature stabilization everywhere, hopper 27 poured into by the dusty material that will print；Data adjusting screw rod rotating speed according to pressure transducer 26；The rotating speed regulating gear pump 21 and the angle turned over is needed, it is achieved the quantitative conveying of material according to molding。
Motor 14 drives screw rod to rotate through decelerator, dusty material is sheared and extrudes, in the process, thermocouple melted powder material, and ensure that the temperature in screw rod region will not be scattered and disappeared in a large number by muff 12, while energy-conservation, what also make after dusty material hot melt is in stable condition, adjusting screw rod is realized to the extruding of material and shear force, it is achieved to the effectively mixing of different materials and melted by regulating motor 14 rotating speed；Data adjusting screw rod rotating speed according to pressure transducer 26 can realize the pressure change that melt is carried to nozzle；Powder is become melt from hopper after screw extruding, shearing and heater 11 heat, and guides the gear pump 21 to printhead 2 front end, after spraying then through nozzle 23, and molding。Nozzle 23 with heating function can realize the accurate control to material temperature, it is achieved best bonding and processability。
A kind of 3D of the present invention prints dusty material printhead, nozzle place temperature actively controls, best viscosity and forming temperature can be provided, it is to avoid condense owing to nozzle place material temperature declines, cause the problem that material cannot be extruded for dusty material of different nature；Screw rod lower end is connected directly to Melt Pump, removes check valve, increases pressure transducer simultaneously, obtained the real-time pressure of melt and then adjusting screw rod rotating speed by pressure transducer；Adopt different rotating speeds according to different materials, obtain the extrusion pressure of the best。
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention。
Claims (9)
1. a 3D prints dusty material printhead, it is characterized in that: include melt extruding mechanism and the printhead melt extruding mechanism and being connected and driving mechanism, described melt extruding mechanism for being conveyed through the dusty material adding heat fusing to printhead, driving mechanism melt extrudes mechanism for driving；Described printhead includes and melt extrudes the Melt Pump that mechanism is connected, and melt delivery side of pump is connected with nozzle mechanism。
2. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described nozzle mechanism includes the nozzle matrix being connected with Melt Pump, is provided with the nozzle connected with Melt Pump in nozzle matrix, is additionally provided with heating rod in nozzle matrix。
3. 3D according to claim 2 prints dusty material printhead, it is characterised in that: it is provided with temperature sensor in described nozzle matrix。
4. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude mechanism be single screw extrusion machine or double screw extruder, single screw extrusion machine or be provided with heater outside double screw extruder。
5. 3D according to claim 4 prints dusty material printhead, it is characterised in that: described heater is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is additionally provided with muff outside thermocouple。
6. 3D according to claim 4 prints dusty material printhead, it is characterized in that: the screw rod of described single screw extrusion machine or double screw extruder is connected with driving mechanism, described driving mechanism includes the speed change gear being connected with screw rod, and drives the motor of speed change gear。
7. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude the discharging opening of mechanism and be provided with pressure transducer。
8. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude the charging aperture place of mechanism and be provided with hopper。
9. the 3D according to any one of claim 1-8 prints dusty material printhead, it is characterised in that: described Melt Pump is gear pump。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052444.9A CN105690762A (en) | 2016-01-26 | 2016-01-26 | Printing head for 3D printing of powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052444.9A CN105690762A (en) | 2016-01-26 | 2016-01-26 | Printing head for 3D printing of powder material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690762A true CN105690762A (en) | 2016-06-22 |
Family
ID=56229475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610052444.9A Pending CN105690762A (en) | 2016-01-26 | 2016-01-26 | Printing head for 3D printing of powder material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105690762A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042405A (en) * | 2016-08-15 | 2016-10-26 | 武汉圆梦计划三维科技有限公司 | Printing spray head of 3D printer |
| CN106217867A (en) * | 2016-07-20 | 2016-12-14 | 西北工业大学 | A kind of screw increases material and manufactures shower nozzle |
| CN106799833A (en) * | 2016-11-30 | 2017-06-06 | 宁夏共享模具有限公司 | A kind of printhead and its Method of printing of large scale industry level FDM printers |
| CN108436089A (en) * | 2018-04-24 | 2018-08-24 | 汕头大学 | A kind of gradient-heated ejecting device for fusion sediment type metal 3D printing |
| CN108582765A (en) * | 2018-01-09 | 2018-09-28 | 南京三迭纪医药科技有限公司 | A kind of drug 3 D-printing device of precision |
| WO2018210183A1 (en) * | 2017-05-16 | 2018-11-22 | 南京三迭纪医药科技有限公司 | 3d printing device and method |
| CN109093821A (en) * | 2018-09-04 | 2018-12-28 | 南京农业大学 | A kind of room temperature squeezes out the forming device of complex structural member green body |
| CN109808180A (en) * | 2019-04-12 | 2019-05-28 | 珠海天威飞马打印耗材有限公司 | A kind of Method of printing of three-dimensional printer and three-dimensional printer |
| CN109937132A (en) * | 2017-01-31 | 2019-06-25 | 惠普发展公司，有限责任合伙企业 | The method of 3D printing device and operation 3D printing device |
| CN109982849A (en) * | 2016-11-14 | 2019-07-05 | 罗伯特·博世有限公司 | The print head that can preferably control for 3D printer |
| US10350822B1 (en) | 2018-01-09 | 2019-07-16 | Triastek Inc. | Dosage forms with desired release profiles and methods of designing and making thereof |
| CN110116496A (en) * | 2019-04-30 | 2019-08-13 | 西北农林科技大学 | It is a kind of can doped and compounded material granule 3D printing device structure |
| CN112373027A (en) * | 2020-11-03 | 2021-02-19 | 西安昆仑工业（集团）有限责任公司 | Compound 3D that extrudes prints shower nozzle and 3D printer |
| US10973767B2 (en) | 2015-06-03 | 2021-04-13 | Triastek, Inc. | Oral drug dosage form comprising drug in the form of nanoparticles |
| CN113163791A (en) * | 2018-12-27 | 2021-07-23 | 卡夫食品瑞士控股有限责任公司 | Method and apparatus for 3D printing and products obtained thereby |
| CN113977933A (en) * | 2021-10-25 | 2022-01-28 | 中国科学院空间应用工程与技术中心 | Lightweight flexible extrusion device and method for rapid manufacturing of lunar in-situ resources |
| US11292193B2 (en) | 2019-08-20 | 2022-04-05 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11458684B2 (en) | 2020-07-30 | 2022-10-04 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11571391B2 (en) | 2018-01-09 | 2023-02-07 | Triastek, Inc. | Oral drug dosage forms compromising a fixed-dose of an ADHD non-stimulant and an ADHD stimulant |
| WO2023052232A1 (en) * | 2021-10-01 | 2023-04-06 | Cogit Composites | Printing unit for an additive manufacturing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341974A (en) * | 2013-06-18 | 2013-10-09 | 王奉瑾 | 3D printing sprayer |
| WO2015129733A1 (en) * | 2014-02-25 | 2015-09-03 | 精一 柚山 | 3d printer |
| CN205343831U (en) * | 2016-01-26 | 2016-06-29 | 南京三迭纪医药科技有限公司 | 3D prints powder material with beating printer head |
-
2016
- 2016-01-26 CN CN201610052444.9A patent/CN105690762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341974A (en) * | 2013-06-18 | 2013-10-09 | 王奉瑾 | 3D printing sprayer |
| WO2015129733A1 (en) * | 2014-02-25 | 2015-09-03 | 精一 柚山 | 3d printer |
| CN205343831U (en) * | 2016-01-26 | 2016-06-29 | 南京三迭纪医药科技有限公司 | 3D prints powder material with beating printer head |
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| US10973767B2 (en) | 2015-06-03 | 2021-04-13 | Triastek, Inc. | Oral drug dosage form comprising drug in the form of nanoparticles |
| CN106217867A (en) * | 2016-07-20 | 2016-12-14 | 西北工业大学 | A kind of screw increases material and manufactures shower nozzle |
| CN106042405A (en) * | 2016-08-15 | 2016-10-26 | 武汉圆梦计划三维科技有限公司 | Printing spray head of 3D printer |
| CN109982849A (en) * | 2016-11-14 | 2019-07-05 | 罗伯特·博世有限公司 | The print head that can preferably control for 3D printer |
| US11446865B2 (en) | 2016-11-14 | 2022-09-20 | Robert Bosch Gmbh | Print head for a 3D printer, with improved control |
| CN109982849B (en) * | 2016-11-14 | 2022-02-18 | 罗伯特·博世有限公司 | Better controllable print head for 3D printer |
| CN106799833A (en) * | 2016-11-30 | 2017-06-06 | 宁夏共享模具有限公司 | A kind of printhead and its Method of printing of large scale industry level FDM printers |
| CN106799833B (en) * | 2016-11-30 | 2020-03-24 | 宁夏共享模具有限公司 | Printing head of large industrial FDM printer and printing method thereof |
| CN109937132A (en) * | 2017-01-31 | 2019-06-25 | 惠普发展公司，有限责任合伙企业 | The method of 3D printing device and operation 3D printing device |
| CN114311659A (en) * | 2017-05-16 | 2022-04-12 | 南京三迭纪医药科技有限公司 | 3D printing apparatus and method |
| WO2018210183A1 (en) * | 2017-05-16 | 2018-11-22 | 南京三迭纪医药科技有限公司 | 3d printing device and method |
| US11364674B2 (en) | 2017-05-16 | 2022-06-21 | Triastek, Inc. | 3D printing device and method |
| US11571391B2 (en) | 2018-01-09 | 2023-02-07 | Triastek, Inc. | Oral drug dosage forms compromising a fixed-dose of an ADHD non-stimulant and an ADHD stimulant |
| JP7175032B2 (en) | 2018-01-09 | 2022-11-18 | トリアステック インコーポレイテッド | Precision pharmaceutical 3D printing device |
| US10350822B1 (en) | 2018-01-09 | 2019-07-16 | Triastek Inc. | Dosage forms with desired release profiles and methods of designing and making thereof |
| US10624857B2 (en) | 2018-01-09 | 2020-04-21 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| CN111587175A (en) * | 2018-01-09 | 2020-08-25 | 南京三迭纪医药科技有限公司 | Accurate three-dimensional printing device of medicine |
| CN111655240A (en) * | 2018-01-09 | 2020-09-11 | 南京三迭纪医药科技有限公司 | Dosage forms capable of achieving targeted release profiles and methods of designing and preparing same |
| US11612569B2 (en) | 2018-01-09 | 2023-03-28 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| JP2021509871A (en) * | 2018-01-09 | 2021-04-08 | トリアステック インコーポレイテッド | Precision pharmaceutical 3D printing device |
| US10201503B1 (en) | 2018-01-09 | 2019-02-12 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| WO2019137333A1 (en) * | 2018-01-09 | 2019-07-18 | Triastek, Inc. | Precision pharmaceutical 3d printing device |
| CN108582765A (en) * | 2018-01-09 | 2018-09-28 | 南京三迭纪医药科技有限公司 | A kind of drug 3 D-printing device of precision |
| CN108582765B (en) * | 2018-01-09 | 2019-11-08 | 南京三迭纪医药科技有限公司 | A kind of drug 3 D-printing device of precision |
| CN108436089A (en) * | 2018-04-24 | 2018-08-24 | 汕头大学 | A kind of gradient-heated ejecting device for fusion sediment type metal 3D printing |
| CN109093821A (en) * | 2018-09-04 | 2018-12-28 | 南京农业大学 | A kind of room temperature squeezes out the forming device of complex structural member green body |
| CN113163791A (en) * | 2018-12-27 | 2021-07-23 | 卡夫食品瑞士控股有限责任公司 | Method and apparatus for 3D printing and products obtained thereby |
| CN109808180A (en) * | 2019-04-12 | 2019-05-28 | 珠海天威飞马打印耗材有限公司 | A kind of Method of printing of three-dimensional printer and three-dimensional printer |
| CN110116496A (en) * | 2019-04-30 | 2019-08-13 | 西北农林科技大学 | It is a kind of can doped and compounded material granule 3D printing device structure |
| US11383439B1 (en) | 2019-08-20 | 2022-07-12 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11292193B2 (en) | 2019-08-20 | 2022-04-05 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11458684B2 (en) | 2020-07-30 | 2022-10-04 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| CN112373027A (en) * | 2020-11-03 | 2021-02-19 | 西安昆仑工业（集团）有限责任公司 | Compound 3D that extrudes prints shower nozzle and 3D printer |
| WO2023052232A1 (en) * | 2021-10-01 | 2023-04-06 | Cogit Composites | Printing unit for an additive manufacturing machine |
| CN113977933A (en) * | 2021-10-25 | 2022-01-28 | 中国科学院空间应用工程与技术中心 | Lightweight flexible extrusion device and method for rapid manufacturing of lunar in-situ resources |
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Application publication date: 20160622 |