CN113508025A - 具有温度调节装置的用于施加打印材料的3d打印设备 - Google Patents

具有温度调节装置的用于施加打印材料的3d打印设备 Download PDF

Info

Publication number
CN113508025A
CN113508025A CN202080016695.6A CN202080016695A CN113508025A CN 113508025 A CN113508025 A CN 113508025A CN 202080016695 A CN202080016695 A CN 202080016695A CN 113508025 A CN113508025 A CN 113508025A
Authority
CN
China
Prior art keywords
printing
printing material
fluid
nozzle
temperature adjustment
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
Application number
CN202080016695.6A
Other languages
English (en)
Chinese (zh)
Inventor
斯特凡·贝茨
克莱门斯·利伯沃思
文森特·莫里森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Em 3d Co ltd
Bozewalsburg Automotive Parts Europe
Original Assignee
Em 3d Co ltd
Bozewalsburg Automotive Parts Europe
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Em 3d Co ltd, Bozewalsburg Automotive Parts Europe filed Critical Em 3d Co ltd
Publication of CN113508025A publication Critical patent/CN113508025A/zh
Pending legal-status Critical Current

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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/295—Heating elements
    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/10—Auxiliary heating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/20—Cooling means
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0288—Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process
    • 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
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—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
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—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
    • 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 [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/80—Data acquisition or data processing
    • B22F10/85—Data acquisition or data processing 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1658—Cooling using gas
    • B29C2035/1666—Cooling using gas dried air
    • 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
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Powder Metallurgy (AREA)
CN202080016695.6A 2019-03-05 2020-03-04 具有温度调节装置的用于施加打印材料的3d打印设备 Pending CN113508025A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019202942.6 2019-03-05
DE102019202942.6A DE102019202942A1 (de) 2019-03-05 2019-03-05 3D-Druckvorrichtung mit einer Temperaturregulationseinrichtung für aufgebrachtes Druckmaterial
PCT/EP2020/055691 WO2020178335A1 (de) 2019-03-05 2020-03-04 3d-druckvorrichtung mit einer temperaturregulationseinrichtung für aufgebrachtes druckmaterial

Publications (1)

Publication Number Publication Date
CN113508025A true CN113508025A (zh) 2021-10-15

Family

ID=69960606

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080016695.6A Pending CN113508025A (zh) 2019-03-05 2020-03-04 具有温度调节装置的用于施加打印材料的3d打印设备

Country Status (6)

Country Link
US (1) US11993019B2 (https=)
EP (1) EP3934888B1 (https=)
JP (1) JP2022522877A (https=)
CN (1) CN113508025A (https=)
DE (1) DE102019202942A1 (https=)
WO (1) WO2020178335A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019122302A1 (de) 2019-08-20 2021-02-25 Kumovis GmbH Druckkopf für ein additives Manufacturing-System sowie Additiv-Manufacturing-System
JP7446794B2 (ja) * 2019-11-29 2024-03-11 キヤノン株式会社 三次元造形物の製造方法、および三次元造形装置
FR3118601B1 (fr) * 2021-01-07 2023-04-28 Bombix3D Dispositif d’impression tridimensionnelle à contrôle du refroidissement de matière en fusion
DE102022119379A1 (de) 2022-08-02 2024-02-08 Audi Aktiengesellschaft Applikationswerkzeug und Applikationssystem zum Applizieren einer Modellmasse auf einen Modellgrundkörper
DE102022119450A1 (de) 2022-08-03 2024-02-08 Audi Aktiengesellschaft Verfahren und Applikationssystem zur automatischen Fertigung eines Modells, insbesondere eines Kraftfahrzeugmodells, durch Applizieren einer Modelliermasse auf einen Modellgrundkörper
DE102022130389A1 (de) * 2022-11-17 2024-05-23 Bayerische Motoren Werke Aktiengesellschaft Düse zur additiven Fertigung eines Formteils aus einer Formmasse, Vorrichtung zur additiven Fertigung sowie Fahrzeug
DE102022212882A1 (de) * 2022-11-30 2024-06-06 Robert Bosch Gesellschaft mit beschränkter Haftung Druckkopf für einen 3D-Drucker und Verfahren zum Betreiben eines Druckkopfs für einen 3D-Drucker
CN116638751B (zh) * 2023-05-20 2024-03-01 南京航空航天大学 一种基于高、低温双材料空间分布的打印方法
WO2025191072A1 (en) 2024-03-14 2025-09-18 Katholieke Universiteit Leuven Print head assembly for extrusion-based additive manufacturing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984142A (zh) * 2015-01-27 2016-10-05 常州市东科电子科技有限公司 一种双排孔填充3d打印头
EP3106290A1 (de) * 2015-06-18 2016-12-21 Siemens Aktiengesellschaft Verfahren und vorrichtung zum auftragen eines werkstoffes, steuereinrichtung, 3d-druckkopf, 3d-drucker und werkzeugmaschine
JP2017100304A (ja) * 2015-11-30 2017-06-08 日本電気株式会社 ３次元積層造形装置及び３次元積層造形方法
US20170157845A1 (en) * 2014-06-16 2017-06-08 Sabic Global Technologies B.V. Method and apparatus for increasing bonding in material extrusion additive manufacturing
US20170334137A1 (en) * 2016-05-17 2017-11-23 Xerox Corporation Interlayer adhesion in a part printed by additive manufacturing
US20180079136A1 (en) * 2016-09-22 2018-03-22 Sciperio, Inc Selective Laser Sintered Fused Deposition Printing with Cooling
CN207465884U (zh) * 2017-09-14 2018-06-08 佛山科学技术学院 一种三维打印机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005335380A (ja) * 2004-04-28 2005-12-08 Nissan Motor Co Ltd 溶融樹脂の押し出し積層方法、および溶融樹脂の押し出し積層装置
EP3227090B1 (en) * 2014-12-01 2019-01-30 SABIC Global Technologies B.V. Rapid nozzle cooling for additive manufacturing
US20160207263A1 (en) * 2015-01-16 2016-07-21 Mark Christopher Gordon Targeted cooling in a 3d printing system
DE102016200522A1 (de) * 2016-01-18 2017-07-20 Volkswagen Aktiengesellschaft Verfahren zur Herstellung dreidimensionaler Objekte und Vorrichtung zur Durchführung des besagten Verfahrens
WO2018022034A1 (en) * 2016-07-27 2018-02-01 Hewlett-Packard Development Company, L.P. Forming three-dimensional (3d) electronic parts
JP6843968B2 (ja) 2016-08-22 2021-03-17 ストラタシス，インコーポレイテッド 多軸ロボットビルドシステムを用いて３ｄ部品を印刷する方法及び部品のオーブン外３ｄ印刷の方法
JP6926655B2 (ja) 2017-05-12 2021-08-25 セイコーエプソン株式会社 三次元造形装置および三次元物体の製造方法
JP7388072B2 (ja) * 2019-09-12 2023-11-29 セイコーエプソン株式会社 三次元造形装置、および、三次元造形物の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170157845A1 (en) * 2014-06-16 2017-06-08 Sabic Global Technologies B.V. Method and apparatus for increasing bonding in material extrusion additive manufacturing
CN105984142A (zh) * 2015-01-27 2016-10-05 常州市东科电子科技有限公司 一种双排孔填充3d打印头
EP3106290A1 (de) * 2015-06-18 2016-12-21 Siemens Aktiengesellschaft Verfahren und vorrichtung zum auftragen eines werkstoffes, steuereinrichtung, 3d-druckkopf, 3d-drucker und werkzeugmaschine
JP2017100304A (ja) * 2015-11-30 2017-06-08 日本電気株式会社 ３次元積層造形装置及び３次元積層造形方法
US20170334137A1 (en) * 2016-05-17 2017-11-23 Xerox Corporation Interlayer adhesion in a part printed by additive manufacturing
US20180079136A1 (en) * 2016-09-22 2018-03-22 Sciperio, Inc Selective Laser Sintered Fused Deposition Printing with Cooling
CN207465884U (zh) * 2017-09-14 2018-06-08 佛山科学技术学院 一种三维打印机

Also Published As

Publication number Publication date
DE102019202942A1 (de) 2020-09-10
US20220134662A1 (en) 2022-05-05
WO2020178335A1 (de) 2020-09-10
EP3934888C0 (de) 2024-05-22
EP3934888B1 (de) 2024-05-22
US11993019B2 (en) 2024-05-28
EP3934888A1 (de) 2022-01-12
JP2022522877A (ja) 2022-04-20

Similar Documents

Publication Publication Date Title
CN113508025A (zh) 具有温度调节装置的用于施加打印材料的3d打印设备
EP3318389B1 (en) Systems and methods for thermal control of additive manufacturing
US11117194B2 (en) Additive manufacturing having energy beam and lamp array
CN210634127U (zh) 多轴机器人增材制造系统
US11192298B2 (en) Laser preheating in three-dimensional printing
EP3040184B1 (en) Three-dimensional printing head
US12128631B2 (en) Method of analyzing and utilizing surface topology for targeted local thermal management in additive manufacturing systems
JP2017206011A (ja) 積層造形によって印刷された部分における層間接着性の向上
JP2022522877A5 (https=)
US20180085826A1 (en) Method and device for controlling printing zone temperature
US10252465B2 (en) 3-dimensional printing apparatus and dispensing device
CN115401912A (zh) 用于3d打印机喷嘴的加热系统
KR20210108380A (ko) 분말 분사 3d 인쇄용 광학 헤드
CN107530968A (zh) 用于3d打印的受控加热
CN115003489A (zh) 具有用于热管理的热源的粉末床熔融重涂覆器
CN106392076A (zh) 3d打印系统及其喷头装置
CN111386186A (zh) 改善层的透明度、平滑度和粘合性的3d打印部件的热处理
CN112004679A (zh) 辅助熔融沉积成型
JP2024540403A (ja) 積層造形システムにおいて意図する局所的な熱管理のための表面トポグラフィーの解析及び利用方法
US20220016840A1 (en) 3d printer
CN108859109A (zh) 三维打印机及其工作方法
CN221392279U (zh) 一种3d打印设备
US11117321B2 (en) Selective laser sintered fused deposition printing with cooling
US20230415420A1 (en) Device and method for the additive manufacturing of a three-dimensional workpiece
KR20210052879A (ko) 3d 프린팅 시스템

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20211015

WD01 Invention patent application deemed withdrawn after publication