WO2019055570A1 - Appareil et procédé de fabrication additive - Google Patents

Appareil et procédé de fabrication additive Download PDF

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Publication number
WO2019055570A1
WO2019055570A1 PCT/US2018/050754 US2018050754W WO2019055570A1 WO 2019055570 A1 WO2019055570 A1 WO 2019055570A1 US 2018050754 W US2018050754 W US 2018050754W WO 2019055570 A1 WO2019055570 A1 WO 2019055570A1
Authority
WO
WIPO (PCT)
Prior art keywords
additive manufacturing
layer
dimensional object
recited
layers
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.)
Ceased
Application number
PCT/US2018/050754
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English (en)
Inventor
Yi-Hsien Harry TENG
Xing TENG
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201880059174.1A priority Critical patent/CN111201124A/zh
Publication of WO2019055570A1 publication Critical patent/WO2019055570A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/147—Processes of additive manufacturing using only solid materials using sheet material, e.g. laminated object manufacturing [LOM] or laminating sheet material precut to local cross sections of the 3D object
    • 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
    • B29C64/188—Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
    • B29C64/194—Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control during lay-up
    • 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 [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
    • 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
    • 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 [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
    • 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
    • B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof

Definitions

  • the present invention relates generally to a manufacturing system, more specifically but not by way of limitation, a manufacturing system that is configured to manufacture three dimensional objects through additive layers of material wherein the dimensions of each layer of material is generated through a software application and wherein the apparatus of the present invention provides forming and assembly of each provided layer to create a finished object.
  • Conventional three-dimensional manufacturing utilizes software that maps a three- dimensional object into a series of sliced two-dimensional cross sections stacked to represent layers wherein the layers are typically thin measuring approximately fifty to one hundred and fifty microns in thickness.
  • the slices are generated from a three dimensional CAD model utilizing software which typically constructs each slice with a fixed X-Y cross section geometry throughout the layer having a consistent thickness in Z. These produced layers all have right-angle edge design as the layer is a cross-sectional cut of the three- dimensional CAD object.
  • the cross-sectional layers of the three-dimensional CAD object results in inaccuracies when reproducing the object through three-dimensional printing.
  • any portion of an object that has a curved geometry will have geometrical inaccuracies when produced through a conventional method of three-dimensional printing due to stacking of the aforementioned right-angle edge of each layer.
  • the right-angle edge slices of existing technology results in the loss of resolution and surface smoothness.
  • Liquid materials and fine powders are utilized in many three-dimensional printing methods.
  • One issue with three dimensional printing is edge formation.
  • Edge formation with liquid materials or fine powders for each layer is deficient in the ability to accurately formed specific edge geometry designs despite the ability to do so with the software slicing ability.
  • Droplets jetted from nozzles or similar elements limit the throughputs of resins or binder material and as such poor layer edge formation occurs with extrusion of molten polymers and jetting of liquid materials if the layers are not thin enough.
  • This application and technique typically requires support structures and metal cannot be extruded due to high melting temperatures. High melting points and complex composition- processing-microstructure-property relationships make metal additive manufacturing a challenging task.
  • Defects or poor quality such as porosity, oxidation, undesired microstructures, unsatisfactory or anisotropic properties, thermal residual stresses, distortion, cracking, dimensional deviation, and surface roughness are common issues that are influenced by process parameters and capabilities. As a result, it is difficult to build confidence in process qualification and control for delivery of consistent, satisfactory quality.
  • each slice is a three-dimensional geometry in a slice set that can represent or closely approximate the true geometry of object to be manufactured, so that thicker layers will not create the aforementioned geometrical inaccuracy.
  • a manufacturing apparatus is needed that shapes and/or prepares suitable forms of feedstock materials corresponding to the three dimensional slice layer geometries in an additive manufacturing process to create an object with improved geometrical and dimensional accuracies as well as an increased productivity and reduced feedstock material cost.
  • a further objective of the present invention is to provide an additive manufacturing system and method that utilizes sheet-like material to construct a three-dimensional object wherein the apparatus of the present invention consists of a frame structure, robotic arms, or a combination thereof.
  • Still another objective of the present invention is to provide an additive manufacturing system and method_capable of producing three-dimensional objects having improved geometrical accuracy wherein each layer of sheet-like material deposited onto the build plate is shaped and/or prepared utilizing a plurality of tools or devices such as but not limited to laser cutters, milling units, grinders, pressing and heating equipment that are integrated in the apparatus or separated in different locations.
  • tools or devices such as but not limited to laser cutters, milling units, grinders, pressing and heating equipment that are integrated in the apparatus or separated in different locations.
  • An additional objective of the present invention is to provide an additive manufacturing system and method that is operable to produce three-dimensional objects from a computer file compiled with cross-sectional slice layers of the object wherein the system utilizes a plurality of methods to join each layer of sheet material in apparatus such as but not limited to adhesion, welding, fusion or sintering.
  • Yet a further objective of the present invention is to provide an additive manufacturing system capable of producing three-dimensional objects having improved geometrical accuracy wherein the apparatus of the present invention includes a heating source that is movable in a vertical or three-dimensional path.
  • Another objective of the present invention is to provide an additive manufacturing system that is operable to produce a three-dimensional object from a computer generated set of cross-sectional slices wherein each layer is capable of being formed to have an edge design having an angle that is an alternative angle to a right angle.
  • Figure 1 is a schematic view of the apparatus of the present invention in certain embodiments.
  • Figure 2 is an exemplary process flowchart of the manufacturing method of the present invention.
  • references to "one embodiment”, “an embodiment”, “exemplary embodiments”, and the like may indicate that the embodiment(s) of the invention so described may include a particular feature, structure or characteristic, but not every embodiment necessarily includes the particular feature, structure or characteristic.
  • the additive manufacturing system 100 includes a controller 5 and an apparatus 10 that are operably coupled and combine to facilitate the manufacturing process of the present invention.
  • the controller 5 is a conventional computing device having the necessary electronics to store, receive, transmit and manipulate data files. It is contemplated within the scope of the present invention that the controller 5 could be an integrated computer, a stand-alone computer or a networked computer.
  • the controller 5 includes a software application that is configured to provide and execute a computer file compiled or coupled with cross-sectional slice geometries from of a three-dimension computer aided design wherein each slice is a X-Y axis cross- section of a portion of an object.
  • the software of the present invention utilizes software protocols that provide cross- sectional slices converting three-dimensional models to three-dimensional slice designs as opposed to having a straight-cut right angled edge design in Z as created by a stack of two- dimensional cross-sections by_existing conventional software.
  • an additionally contemplated slice design could be wherein each of the cross sectional sliced layers created by the software has layer thickness that is equal to, less than or greater than alternate cross-sectional sliced layers for the object.
  • the controller 5 is communicably coupled to the apparatus 10 utilizing conventional elements and protocols such as but not limited to network cables and/or wireless communication protocols.
  • the apparatus 5 includes a frame assembly 15 wherein the frame assembly 15 includes a first rail support member 20 and a second rail support member 22.
  • the first rail support member 20 and second rail support member 22 are manufactured from a durable rigid material such as but not limited to metal and are configured in a parallel manner.
  • the first rail support member 20 and second rail support member 22 have movably coupled thereto a plurality of vertical support members 30.
  • the vertical support members 30 are movably coupled to the first rail support member 20 and second rail support member 22 utilizing suitable durable techniques.
  • the vertical support members 30 traverse along either the first rail support member 20 or the second rail support member 22 as required during the manufacturing process to position a shaping element in order to engage with the exemplary building material 99 as further discussed herein.
  • each opposing pair of vertical support members 30 Operably coupled to each opposing pair of vertical support members 30 is a cross support member 35.
  • the cross support members 35 are manufactured from a suitable rigid material and are secured to the vertical support members 30 utilizing suitable durable techniques.
  • the cross support members 35 have movably secured thereto various shaping elements 60 that are discussed further herein wherein each shaping element is operable to engage the exemplary building material and provide an action thereon such as but not limited to cutting, milling or grinding.
  • three cross support members 35 are illustrated herein being operably coupled to the vertical support members 30, it is contemplated within the scope of the present invention that the frame assembly 15 could have alternate quantities of vertical support members 30 and cross support members 35 in order to provide support and operation of alternate quantities of shaping elements 60 or additional elements required in the manufacturing process of the present invention.
  • an exemplary frame assembly 15 is illustrated and discussed herein, it is contemplated within the scope of the present invention that the frame assembly 15 could be constructed in alternate styles and designs in order to achieve the desired function described herein.
  • the build plate 40 is movably mounted with rod member 42 and is configured to be moved in a upwards-downwards direction.
  • the build plate 40 is manufactured from a suitable durable material such as but not limited to metal and is rectangular in shape.
  • the build plate 40 includes upper surface 43 that is of suitable size to receive the exemplary building material 99 thereon.
  • the building material 99 is superposed the building plate 40 in layers. As each layer is superposed the preceding layer the shaping elements 60 will perform the required activity in order to form the programmed three-dimensional object as directed by the controller 5.
  • the build plate 40 can receive a single sheet or layer of the building material 99 or be configured to have a continuous supply thereof be introduced thereto. It is contemplated within the scope of the present invention that the build plate 40 could be manufactured in alternate sizes so as to facilitate manufacturing of various sized objects.
  • the compression member 50 is moveably mounted on rod 51 and is configured to be moved in an upwards-downwards manner.
  • the compression member 50 is manufactured from a suitable rigid material such as but not limited to metal.
  • the compression member 50 is utilized to provide a downward compression force onto the object 98 being manufactured on the building plate 40.
  • the compression member 50 further includes heating elements 52 that can be utilized to increase the temperature of the compression member 50 to a temperature that is higher than that of the environmental temperature in which the additive manufacturing system 100 is disposed. It is
  • compression member 50 could be heated to various different temperatures as required for proper manufacturing of the object 98.
  • the additive manufacturing system 100 includes a plurality of shaping elements
  • the shaping elements are movably coupled to the cross support members 35 utilizing suitable durable techniques.
  • the shaping elements 60 are utilized during the process steps of the manufacturing process of the present invention as required to facilitate the desired step. As each additive layer is superposed the preceding layer at least one manufacturing step is performed. These steps can include but are not limited to cutting, fusion, welding, grinding, sintering, milling, polishing and drilling.
  • the shaping elements 60 are coupled to the cross support members 35 and traverse therealong utilizing conventional motorized techniques. Additionally, the shaping elements 60 are contemplated to be any of the following types of manufacturing process equipment: laser beam cutter, electron beam cutter, water jet cutter, milling device, sawing device, abrading device, shearing device, torch cutter or electrical discharge machine.
  • each shaping element 60 is movable in an upwards-downwards motion, a rotational motion and a pivotal motion so as to provide positioning thereof as needed to completed the desired manufacturing step. While three shaping elements 60 are illustrated herein it is contemplated within the scope of the present invention that the additive manufacturing system 100 could have more or less than three shaping elements 60 operably coupled to the frame assembly 15. All of the shaping elements 60 are operably coupled to the frame assembly 15 so as to have five axis movements.
  • the frame assembly 15 could be manufactured of varying lengths and have alternate quantities of build plates 40 in order to resemble assembly line style of manufacturing.
  • the additive manufacturing system 100 is configured to utilize metal. As is known in the art during manufacturing processes utilizing metal have a metal oxidation issue and certain risks are inherently present such as but not limited to fire or explosion. It is contemplated within the scope of the present invention that the additive manufacturing system 100 could be configured to be operated in an environmental atmosphere that has a substantially reduced level of oxygen therein. It should be understood that this could be accomplished by such tactics as introducing an alternative gas like nitrogen or argon.
  • the additive manufacturing system 100 is configured to utilize thermal fusion or sintering to join layers of building material 99.
  • the thermal fusion or sintering is performed utilizing a device capable of executing a technique selected from a group of techniques consisting of but not limited to the following techniques: electric arc heating, electric arc welding, plasma arc heating, laser beam heating, electron beam heating, electromagnetic induction heating, microwave heating, infrared radiant heating, radio frequency radiant heating, friction heating, resistance heating, resistance welding, gas torch heating, or pressing.
  • the additive manufacturing system 100 is configured to utilize at least two adjacent strips of material wherein the at least two adjacent strips of material are configured to comprise a layer of the three dimensional object. It should be understood within the scope of the invention that the at least two adjacent strips could be varying widths and that the term strip does not serve to provide limitation.
  • the controller 5 constructs the three-dimensional object utilizing a surface mesh model or solid model. Now referring to Figure 2 herein, a flow chart of an exemplary process of the additive manufacturing system 100 is illustrated therein. In step 201 , a user will utilize the software on the controller 5 to model a computer aided design (CAD) of a three- dimensional object.
  • CAD computer aided design
  • the three dimensional object can be of any size or shape.
  • the software of the present invention creates a set of three dimensional sequentially layered slices of the three dimensional object created in step 201.
  • Each of the three dimensional layered slices is constructed by the software of the controller 5 utilizing data points mathematically transformed, approximated, interpolated or extrapolated from the corresponding geometries of the three dimensional CAD object created in step 201.
  • All of the created sequentially layered slices are represented by two or more different cross sections normal to the sliced layer height. Additionally, each of the sequentially layered slices has at least one cross section and a vector for each data point of the edge surfaces thereof. While no particular thickness of each sequentially layered slice is required, good results have been achieved utilizing a thickness of at least one hundred microns.
  • step 205 the software of the present invention will complete any additional data processing required to manipulate and/or simplify the set of sequentially sliced layers for manufacturing process requirements.
  • the data processing could include but not be limited to creation of a execution file, a data file or any combination of computer files required to facilitate completion of the data processing.
  • the aforementioned computer file creation is utilized for tasks such as but not limited to operation of the additive manufacturing system 100.
  • Step 207 a completed data file of the sequentially sliced layers of the three dimensional object is created and saved in the memory of the controller 5.
  • step 209 the data file is loaded into a user interface of the software of the controller for transfer to the apparatus 10 of the additive manufacturing system 100.
  • step 21 1 an operator of the additive manufacturing system 100 will place manufacturing feedstock in position for use by the apparatus 10. It is contemplated within the scope of the present invention that the feedstock could be supplied as a continuous roll of sheet material or as a single sheet of building material. Additionally, it should be understood by those skilled in the art that introduction, placement and manipulation of the feedstock material could be implemented through automated and/or manual labor.
  • step 213 the first layer of feedstock is prepared. Depending upon the requirements for the manufacture of the three dimensional object, preparations of the first layer are executed. This can include but is not limited to cutting or milling. Step 215, the first layer of feedstock material is superposed the build plate 40.
  • step 217 a second layer of feedstock material is prepared. As previously discussed herein, any required processing steps to prepare the second layer in compliance with the second layer of the sequentially layered slice set generated and stored in the data file will be executed. This can be but is not limited to drilling, sintering, cutting, or grinding.
  • Step 219 the second layer of feedstock material is superposed the first layer of feedstock.
  • the shaping elements 60 facilitate the necessary processing steps of the second layer so as to continue execution of the manufacturing process.
  • Step 223 subsequent superposing the second layer of feedstock and completing the processing thereof, the second layer is joined to the first layer through a desired technique.
  • the joining of the second layer to the first layer can be implemented through techniques such as but not limited to chemical adhesion or welding. It is contemplated within the scope of the present invention that the joining of the sequential layers and processing thereof can occur interchangeably as respect to order.
  • step 225 additional layers of feedstock material are prepared.
  • Step 227 ensuing preparation of the additional feedstock materials the processing previously discussed herein for the first and second layer are executed on each additional layer wherein each additional layer is prepared, processed and formed with the previous layer.
  • step 229 all layers required to complete the manufacture of the object 98 as required by the sequentially layered slice set of stored in the data file are finished wherein each layer has undergone preparation and processing to produce the object 98 that is in compliance with the three dimensional model created in step 201.
  • Step 231 any additional surface processing is executed by the shaping elements so as to produce an object 98 having accurate surface geometry in compliance with the three dimensional model produced in step 201.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Powder Metallurgy (AREA)

Abstract

L'invention concerne un système de fabrication additive qui peut être utilisé pour produire un ensemble de couches de tranches en coupe transversale d'un dessin assisté par ordinateur en trois dimensions d'un objet et créer un fichier de données pour le fonctionnement de l'appareil de la présente invention. Le système de fabrication additive comprend un dispositif de commande qui fournit un logiciel conçu pour créer un ensemble de couches de tranches en coupe transversale et faire fonctionner l'appareil. L'appareil comprend un ensemble cadre ayant une pluralité d'éléments de support qui sont conçus pour supporter une pluralité d'éléments de mise en forme. L'appareil comprend en outre une plaque de construction conçue pour recevoir des couches de matériau de construction sur cette dernière. Pendant le processus de fabrication de la présente invention, des couches de matériau sont superposées sur les couches précédentes et chaque couche est formée et jointe de façon à faciliter la production d'un objet qui est représenté par un dessin assisté par ordinateur.
PCT/US2018/050754 2017-09-12 2018-09-12 Appareil et procédé de fabrication additive Ceased WO2019055570A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880059174.1A CN111201124A (zh) 2017-09-12 2018-09-12 增材制造设备及方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762606186P 2017-09-12 2017-09-12
US62/606,186 2017-09-12
US201816128468A 2018-09-11 2018-09-11
US16/128,468 2018-09-11

Publications (1)

Publication Number Publication Date
WO2019055570A1 true WO2019055570A1 (fr) 2019-03-21

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CN (1) CN111201124A (fr)
WO (1) WO2019055570A1 (fr)

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DE102019131215A1 (de) * 2019-11-19 2021-05-20 Technische Universität Dresden Vorrichtung und Verfahren zur Herstellung eines generativ gefertigten Erzeugnisses und Erzeugnis
CN114193658A (zh) * 2021-12-03 2022-03-18 大连理工大学 一种连续碳纤维3d打印丝材外包裹方法及制备系统
CN117400002A (zh) * 2023-12-15 2024-01-16 中科德迈(沈阳)智能装备有限公司 增等减材复合制造装置及质量监控与智能控制方法

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CN111873407B (zh) * 2020-07-27 2021-11-19 南通理工学院 一种3d打印方法及用于该方法的3d打印组件和3d打印平台
CN111922655B (zh) * 2020-07-31 2021-10-22 南京尚吉增材制造研究院有限公司 连续送丝感应加热复合轧压半固态增材制造系统及方法
CN112170838B (zh) * 2020-08-24 2022-02-15 江苏大学 一种增减材制造装置及其增减材复合制造方法
CN112222864A (zh) * 2020-10-04 2021-01-15 泉州京锯智能科技有限公司 一种全自动建筑材料的加工流水线
CN112895435A (zh) * 2021-01-14 2021-06-04 大族激光科技产业集团股份有限公司 一种基于薄片基材的三维成型方法和装置
CN114193104A (zh) * 2021-12-22 2022-03-18 潍柴动力股份有限公司 一种阀体的加工方法及阀体
CN116277365A (zh) * 2023-02-20 2023-06-23 广东优派科技有限公司 一种木质家具三维立体部件的切片堆叠制造方法
CN116713619A (zh) * 2023-07-28 2023-09-08 山东特乐斯空调设备有限公司 一种用于镀锌风管的加工工艺及其切割机

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