WO2020002776A1 - Appareil de stéréolithographie équipé d'un mécanisme de collecte de résine et procédé de fonctionnement dudit appareil - Google Patents

Appareil de stéréolithographie équipé d'un mécanisme de collecte de résine et procédé de fonctionnement dudit appareil Download PDF

Info

Publication number
WO2020002776A1
WO2020002776A1 PCT/FI2019/050507 FI2019050507W WO2020002776A1 WO 2020002776 A1 WO2020002776 A1 WO 2020002776A1 FI 2019050507 W FI2019050507 W FI 2019050507W WO 2020002776 A1 WO2020002776 A1 WO 2020002776A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
vat
piston
tank
stereolithography apparatus
Prior art date
Application number
PCT/FI2019/050507
Other languages
English (en)
Inventor
Jukka Kanerva
Tero Rakkolainen
Original Assignee
Planmeca Oy
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 Planmeca Oy filed Critical Planmeca Oy
Publication of WO2020002776A1 publication Critical patent/WO2020002776A1/fr

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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • 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
    • B29C64/357—Recycling
    • 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
    • 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
    • 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
    • B33Y70/00—Materials specially adapted for additive manufacturing

Definitions

  • the invention concerns the technology of ste reolithographic 3D printing, also known as stereolithographic additive manufacturing .
  • the in- vention concerns the task of collecting extra resin back to a resin tank.
  • Stereolithography is a 3D printing or addi- tive manufacturing technique in which optical radia tion is used to photopo1yme i ze suitable raw material to produce a desired object.
  • the raw material comes to the process in the form of a resin.
  • ⁇ vat is used to hold an amount of resin, and a build platform is moved in the vertical direction so that the object to be produced grows layer by layer, beginning on a build surface of the build platform.
  • the optical radiation used for photopolymerizing may come from above the vat, in which case the build platform moves downwards through the remaining resin as the manufacturing proceeds.
  • the present description concerns in particular the so-called "bottom up" variant of stereolithography, in which the photopolymerizing optical radiation comes from below the vat and the build platform moves upwards away from the remaining resin as the manufac turing proceeds.
  • the resin is held in a container and the user: estimates the amount of resin to dispense from the container to the vat.
  • the container may be portable (e.g. bottle) and the user pours the resin to the vat.
  • the resin container may also be a large fixed tank from which the resin is conducted to the vat by a separate channel.
  • Such systems may include means to control the amount of resin in the vat. Different res ins are needed for manufacturing different kinds of objects and large resin containers are impractical in the sense that resin material is difficult to be re ⁇ placed with another resin material, considering that both the whole container and channel must be cleaned carefully before starting a new process with a new resin material.
  • An objective of the invention is to enable a convenient and economical handling of resins for ste- reo1ithographic 3D printing .
  • the invention is aimed to present a stereo ⁇ lithography apparatus and a method of operating a ste reolithography apparatus enabling economical handling of resins for stereolithographic 3D printing.
  • a stereolithography appstratus comprises a holder for removably re- ceiving a resin tank and a vat for holding resin during stereolithographic 3D printing, which vat may also be removably connectable to the apparatus, and a resin delivery mechanism which comprises a piston to deliver- resin from at least one resin tank to the vat, and to drain resin from the vat into the resin tank by a movement of the piston.
  • a stereolithog raphy apparatus comprises a vat for holding resin dur ing stereolithographic 3D printing, a resin delivery mechanism comprising a piston, and at least one resin tank.
  • the resin tank is a resin capsule having one single shot of resin, and the resin delivery mechanism is arranged to drain the resin from the vat back in side the resin capsule by the movement of the piston.
  • the stereolithography appa ratus comprises a control and the control is con figured to automatically drain the resin from the vat back into the resin capsule tank by the movement of the piston after completion of a stereolithographic 3D printing process.
  • the resin tank is a resin capsule and resin is delivered to the vat by pushing the piston and drained from the vat by forming a vacuum inside the resin capsule by pulling the piston
  • the resin tank is a resin capsule containing a single shot of resin that is needed for a given sin gle stereolithographic 3D printing process.
  • the piston is sealed against inner wall of the resin tank.
  • the piston is arranged to .move reciprocating manner inside the resin tank.
  • the piston is arranged to be pulled back, whereby a vacuum is formed inside the resin capsule and resin is drained back inside the resin capsule.
  • the resin capsule is located above the vat.
  • the resin capsule comprises an outlet ar ranged in proximity of the bottom of the vat.
  • the vat has an inclined position whereby the vat is inclined towards the resin capsule.
  • a method of op erating a stereolithography apparatus comprising steps of pumping or delivering resin from the resin capsule into the vat, manufacturing the object, and draining extra resin back inside the resin capsule.
  • the resin is de1 ivered from the resin capsule and drained back inside the resin capsule by a movement of a piston.
  • the resin is drained by forming a vacuum inside the resin capsule by pulling the piston.
  • the method further com prises a step of inclining the vat towards the resin capsule .
  • Figure 1 illustrates a stereolithography ap- paratus in a front view with its lid closed
  • Figure 2 illustrates a stereolithography ap paratus in a side view with its lid closed
  • Figure 3 illustrates a stereolithography ap paratus in a front view with its lid open
  • Figure 4 illustrates a stereolithography apparatus in a side view with its lid open
  • Figure 5 illustrates a stereolithography apparatus
  • Figure 6 illustrates a stereolithography ap ⁇ paratus in a front view
  • Figure 7 illustrates a resin delivery mecha nism
  • Figure 8 illustrates a stereolithography ap paratus without a resin tank
  • Figure 9 illustrates a stereolithography ap ⁇ paratus with the resin tank in a front view.
  • Figs. 1 to 4 illustrate an example of a ste- reolithography apparatus.
  • the apparatus could also be called a stereolithographic 3D printer, or a stereo- 1ithographic additive manufacturing apparatus.
  • Basic parts of the apparatus are a base part 101 and a lid 102, of which the lid 102 is movably coupled to the base part 101 so that it can move between a closed position shown in figs. 1 and 2 and an open position shown in figs. 3 and 4.
  • the direction of the movement is vertical, but this is not a requirement; the movement of the lid 102 in relation to the base part 101 could take place in other directions.
  • An important advantage of a movable lid of this kind is that an ongoing stereolithographic 3D printing process can be protected front any interfering external optical radiation by closing the lid 102.
  • a vat 401 is provided in the base part 101 for holding resin for use in the stereolithographic 3D printing process.
  • a build platform 402 with a build surface 403 is supported above the vat 40.1 so that the build surface 403 faces the vat 401.
  • This arrangement is typical to the so-called “bottom up” variant of stereolithography, in which the photopolymerizing ra- dration comes from below the vat.
  • the bottom of the vat 401 is or can be selectively made transparent or translucent for the kind of radiation used for said photopolymerizing .
  • a moving mechanism is provided and configured to move the build platform 402 in a working movement range between first and second extreme positions.
  • the first extreme position is the one proximal to the vat 401
  • the second extreme position is the one distant from the vat. 401.
  • the build surface 403 is very close to the bottom of the vat 401.
  • the first layer of the object to be manufactured will be photopolymeri zed onto the build surface 403 when the build platform 402 is in the first extreme position. Consequently, in said first extreme position the distance between the build surface 403 and the bottom of the vat 401 is in the order of the thickness of one layer in the stereolith ographic 3D printing process.
  • the position shown in figs. 3 and 4 may be the second extreme position, or at least closer to the second extreme position than to the first extreme position.
  • a working region of the stereolithography ap paratus may be said to exist between the vat 401 and the second extreme position of the build platform 402, because the object to be manufactured will appear within this region.
  • the build platform 402 does not need to move up to or even close to the second extreme position during the .manufacturing of an object; the second extreme position may be most useful for making it easier to detach a manufactured object from the build platform 402 once the object is complete.
  • the moving mechanism for moving the build platform 402 is inside the base part 101, and only represented by the two slits 301 seen in a vertical surface of the base part 101, as well as the horizontal support 404 of the build platform 402.
  • This second moving mechanism may comprise parts inside the base part 101 and/or parts inside the lid 102. Enclosing essentially all moving mechanisms within the casings of the base part 101 and/or the lid 102 involves the advantage of added safety, because it makes it improbable that a user could get injured by any moving parts of such mecha nisms .
  • the horizontal support 404 of the build plat form 402 is shown only schematically in the drawings.
  • a support of the build platform 402 may comprise various advanced technical features, like joints and/or fine-tuning mechanisms for ensuring that the orientation of the build surface 403 is appropriate.
  • such features are out of the scope of this description and are therefore omit ted here.
  • a user inter face which comprises a touch-sensitive display 103 in the lid 102.
  • the user interface may comprise various functions for implementing interactions between the apparatus and its user, including but not being lira- ited to buttons for controlling the movements of the lid 102 and the build platform 402.
  • a touch-sensiti e display is an advantageous feature of a user interface in particular if the stereolithography apparatus is to be used in environments where thorough cleaning and disinfecting are regularly required, like at medical and/or dental clinics.
  • the touch-sensitive display 103 may be used for receiving information of the object design and the resin. It may be also used for inputting needed param eters ⁇ e . g . prope ties of the resin ) for the printing process .
  • the resin that is to be used in the stereolithographic 3D printing process may be brought to the stereolithography apparatus in a resin tank.
  • the des ignation "resin tank” is used in this text as a general descri tor of any kinds of containers that may hold resin in readiness for the resin to be used in a stereolithographic 3D printing process.
  • Fig. 5 illus ⁇ trates an example of a stereolithography apparatus having the lid 102 in the open position.
  • the resin tank is provided in form of a resin capsule 501, which contains one single shot of resin that is needed for a single stereolithographic 3D printing process. While the resin capsule 501 may be located elsewhere as well, there are some benefits to position it above the vat 401 and, especially at the proximity of the bottom of the vat .
  • the amount of resin needed for a given print depends on the object to be printed and, therefore, the size of the resin capsule 501 or the number of resin capsules 501 to be used may vary.
  • the needed amount of resin may be calculated by the user but according to one embodiment, the stereolithography apparatus comprises a means to calcu- late, when knowing the object design, the needed amount based on the object design. After having calculated the needed amount of resin, the stereolithogra ⁇ phy apparatus may suggest the resin capsule to be used, or indicate the needed amount of resin e. g. on a display.
  • the vat 401 com prises a channel that is arranged to receive the resin from the resin capsule.
  • the channel 502 is located below the resin capsule 501 in the corner of the vat 401.
  • the channel may be a groove or a tube which conducts the resin further into the vat 401,
  • the vat 401 may comprises several channels so that one is located below each resin capsule.
  • the stereolithography apparatus may comprise a holder for removably receiving a resin capsule to an operating position in the stereolithography apparatus.
  • a holder for removably receiving a resin capsule to an operating position in the stereolithography apparatus is illustrated in fig. 6 and 8 with the reference designator 602.
  • a resin capsule that can be removably re ceived in the holder 602 may have the form of an elon gated capsule, as in figures, preferably with a cover or plug covering an opening in one end, and with an outlet 704 appearing in the other end.
  • the outlet 704 may be equipped with a valve, seal, plug, or some oth ⁇ er means that keep the resin from escaping the resin capsule unless explicitly desired.
  • Such an elongated resin capsule can be removably received in the holder 602 so that the end with the opening is upwards, and the outlet 704 is in or close to the vat 401.
  • a piston 601 is attached to the same support 404 as the build platform 402.
  • the piston 601 moves downwards in concert with the build platform 402.
  • This movement of the pis- ton 601 pumps the resin out of the resin capsule that was received in the holder 602, so that the resin flows out of the outlet 704 and into the vat 401.
  • the cover or plug that covered the opening in the upper end of the resin capsule must naturally have been re- moved before that, as well as the means that closed the outlet 704 unless some mechanism is provided that automatically opens the outlet when needed.
  • making the piston 601 move in concert with the build platform 402 is only an example implementation. It involves the advantage that only one moving mechanism is needed to move two parts. However, in some applications it may be desirable to be able to control the delivery of resin to the vat 401 independently of the movement of the build plat- form 402. For such applications an embodiment can be presented in which there are separate mechanisms for moving the build platform 402 and for delivering resin from a resin capsule into the vat 401. Such a separate mechanism may involve for example a piston that is otherwise like the piston 601 in fig. 6 but supported and moved by a moving mechanism of its own.
  • Figures comprise only examples of the piston design. It is understood that the piston may have different shapes and structures as far as it works in its purpose and is suitable to deliver the resin out of the resin capsule 501.
  • the stereolithography apparatus may comprise two or more holders, and/or a sin gle holder may be configured to receive two or more resin capsules.
  • Such embodiments enable, for one, using two or more alike resin capsules even when differ- ent amounts of resin are needed for different printing processes.
  • the apparatus may be configured to deliver the needed amount of resin as a single shot as discussed above.
  • the provision of places for receiving multiple resin capsules involves the ad vantage that different resins can be used automatically, even during the manufacturing of a single object.
  • Such a feature may be useful for example if the object to be manufactured should exhibit a sliding change of color.
  • the stereolithography apparatus might comprise two resin capsules of differently pigmented resin, and these could be delivered to the vat in selected pro portions so that the resulting mix of resins in the vat would change its color accordingly.
  • the holder 602 comprises adjustable clasps 702 that may be adjusted to receive resin capsules with different sizes and shapes .
  • Fig. 7 illustrates a resin delivery mechanism 701 comprising a resin capsule 501 having some resin 703 inside.
  • the resin capsule is held by the adjusta ble clasps 702 that retain the resin capsule from its sides.
  • the resin delivery mechanism comprises also a piston 601 arranged to move up and down. The downwards movement pumps the resin 703 out of the resin capsule so that the resin flow's out of the outlet 704 and to the vat 401.
  • the resin capsule 501 is disposable so that after single use, the resin capsule is replaced by a new one.
  • the upwards movement causes a vacuum inside the resin capsule 501 and the resin from the vat 401 may be drained back into the resin capsule 501 and used again later.
  • the vacuum is achieved by seal ing the piston air tightly against the inner wall of the resin capsule .
  • a vacuum is formed inside the resin capsule between the piston 601 and the outlet 704.
  • the resin capsule is located so that the outlet is at the proximity of the bottom of the vat and it is able to reach the resin on the vat. After the printing process, the extra resin is drained back inside the resin capsule for later use .
  • the vat 401 may be inclined towards the resin capsule. In this in- dined position, the extra resin is flown towards the outlet of the resin capsule and the extra resin may be co11ected more efficien11y.
  • Fig. 9 illustrates schematically a case in which a resin capsule 501 has been received in the holder 702.
  • the resin capsule 501 may comprise an identifier (e . g. graphical or electronical) having in formation regarding the resin, contained in that particular resin capsule 501, or the resin capsule 501 itself.
  • Said information may contain for example one or more of the following: an identifier of resin con tained in the resin capsule 501, an indicator of amount of resin contained in the resin capsule, a man ufacturing date of resin contained in the resin capsule 501, a best before date of resin contained in the resin capsule, unique identifier of the resin capsule 501, a digital signature of a provider of resin contained in the resin capsule 501.
  • Said information raay be used for controlling the stereolithography appa ratus.
  • the identifier may contain infor mation of the size of the resin capsule 501 and said information is used to define the movement of the pis ton 601 when emptying the resin out of the resin cap- sule 501 or when draining the left over resin back inside the resin capsule 501.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)

Abstract

Un appareil de stéréolithographie, comprenant un support (602) pour recevoir de façon amovible un réservoir de résine (501) et une cuve (401) pour contenir de la résine pendant une impression 3D stéréolithographique, et un mécanisme de distribution de résine (701) qui comprend un piston (601) pour distribuer la résine d'au moins un réservoir de résine à la cuve et pour drainer la résine de la cuve à l'intérieur du réservoir de résine par déplacement du piston.
PCT/FI2019/050507 2018-06-28 2019-06-27 Appareil de stéréolithographie équipé d'un mécanisme de collecte de résine et procédé de fonctionnement dudit appareil WO2020002776A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20185584 2018-06-28
FI20185584A FI128627B (en) 2018-06-28 2018-06-28 Stereolithography equipment provided with resin collection mechanism and method for operating said equipment

Publications (1)

Publication Number Publication Date
WO2020002776A1 true WO2020002776A1 (fr) 2020-01-02

Family

ID=67439243

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2019/050507 WO2020002776A1 (fr) 2018-06-28 2019-06-27 Appareil de stéréolithographie équipé d'un mécanisme de collecte de résine et procédé de fonctionnement dudit appareil

Country Status (2)

Country Link
FI (1) FI128627B (fr)
WO (1) WO2020002776A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549993A1 (fr) * 1991-12-30 1993-07-07 Texas Instruments Incorporated Dispositif stéréolithographique et procédé pour fabrication d'un modèle
US6051179A (en) * 1997-03-19 2000-04-18 Replicator Systems, Inc. Apparatus and method for production of three-dimensional models by spatial light modulator
US20020195748A1 (en) * 2000-08-29 2002-12-26 Farnworth Warren M. Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length
US20070179654A1 (en) * 2002-11-11 2007-08-02 Hiatt William M Substrate supports for use with programmable material consolidation apparatus and systems
WO2016063996A1 (fr) * 2014-10-20 2016-04-28 (주)아이투스 인터내셔날 Imprimante tridimensionnelle
CN106915077A (zh) * 2017-02-28 2017-07-04 深圳市金石三维打印科技有限公司 一种用于sla 3d光固化成型的三扫描头打印装置
CN107627601A (zh) * 2017-09-19 2018-01-26 中国科学院上海硅酸盐研究所 一种用于上置式光源3d打印机的密封增压式浆料池装置
US20180141267A1 (en) * 2013-03-12 2018-05-24 Orange Maker LLC 3d printing using spiral buildup and high viscosity build materials
WO2018111548A1 (fr) * 2016-12-14 2018-06-21 Carbon, Inc. Procédés et appareil pour laver des objets produits par stéréolithographie

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549993A1 (fr) * 1991-12-30 1993-07-07 Texas Instruments Incorporated Dispositif stéréolithographique et procédé pour fabrication d'un modèle
US6051179A (en) * 1997-03-19 2000-04-18 Replicator Systems, Inc. Apparatus and method for production of three-dimensional models by spatial light modulator
US20020195748A1 (en) * 2000-08-29 2002-12-26 Farnworth Warren M. Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length
US20070179654A1 (en) * 2002-11-11 2007-08-02 Hiatt William M Substrate supports for use with programmable material consolidation apparatus and systems
US20180141267A1 (en) * 2013-03-12 2018-05-24 Orange Maker LLC 3d printing using spiral buildup and high viscosity build materials
WO2016063996A1 (fr) * 2014-10-20 2016-04-28 (주)아이투스 인터내셔날 Imprimante tridimensionnelle
WO2018111548A1 (fr) * 2016-12-14 2018-06-21 Carbon, Inc. Procédés et appareil pour laver des objets produits par stéréolithographie
CN106915077A (zh) * 2017-02-28 2017-07-04 深圳市金石三维打印科技有限公司 一种用于sla 3d光固化成型的三扫描头打印装置
CN107627601A (zh) * 2017-09-19 2018-01-26 中国科学院上海硅酸盐研究所 一种用于上置式光源3d打印机的密封增压式浆料池装置

Also Published As

Publication number Publication date
FI128627B (en) 2020-09-15
FI20185584A1 (en) 2019-12-29

Similar Documents

Publication Publication Date Title
EP3027388B1 (fr) Cartouche améliorée pour alimenter une machine de stéréolithographie, machine de stéréolithographie comprenant ladite cartouche et procédé de stéréolithographie utilisant ladite machine
JP6987947B2 (ja) カートリッジ装置を備えたステレオリソグラフィ装置
CN104411477B (zh) 用于立体平版印刷机的料盒以及立体平版印刷机
EP3580043B1 (fr) Cartouche améliorée pour alimenter une machine de stéréolithographie et machine de stéréolithographie utilisant ladite cartouche
EP3354442B1 (fr) Appareil et procédé de production d'objets par stéréolithographie
US20170326787A1 (en) Stereolithography Method and Apparatus, and Holder for Use in Such a Method
BR112018011013B1 (pt) Dispositivo de fabricação aditiva, e, método para produção em camadas de objetos tridimensionais
WO2020002776A1 (fr) Appareil de stéréolithographie équipé d'un mécanisme de collecte de résine et procédé de fonctionnement dudit appareil
FI128761B (en) A stereolithography apparatus comprising a resin capsule and a method of operating said apparatus
US11433600B2 (en) Material provision device for a stereolithography apparatus
CN104257274B (zh) 一种塑封胶囊机
CN107639826A (zh) 一种具有原料回收作用的光固化三维打印机
JP2019531236A (ja) 供給システム
WO2020002752A1 (fr) Appareil de stéréolithographie
CN213082377U (zh) 一种dlp光固化树脂打印机
JP7536775B2 (ja) ３ｄ物体の積層造形における流体の貯留／吸引を防止する方法
CN106494089A (zh) 一种分离式墨盒及其制备方法
JPS62292712A (ja) 粘状化粧剤の充填固化方法及びその装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19744744

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19744744

Country of ref document: EP

Kind code of ref document: A1