CN113059799A - 3D object printing method - Google Patents
3D object printing method Download PDFInfo
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- CN113059799A CN113059799A CN202110189272.0A CN202110189272A CN113059799A CN 113059799 A CN113059799 A CN 113059799A CN 202110189272 A CN202110189272 A CN 202110189272A CN 113059799 A CN113059799 A CN 113059799A
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- powder
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- adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- 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
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- 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
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- 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
Abstract
The invention discloses a 3D object printing method, which comprises the following steps: depositing an adhesive on a base material sheet comprising a substrate material according to a planar pattern of each cross section of the 3D object by using a 3D printing device, wherein the planar pattern of each cross section corresponds to each layer of the 3D object; II, secondly: applying a hot-melt adhesive powder to a substrate sheet, the hot-melt adhesive powder adhering to the sheet only at the positions of a desired pattern, removing the non-adhering hot-melt adhesive powder to form a coated substrate sheet, stacking and bonding a plurality of the substrate sheets; thirdly, the method comprises the following steps: applying a polymerization pressure to the stacked substrate sheets and projecting heat onto the butted and coated substrate sheets; fourthly, the method comprises the following steps: and removing the areas of the substrate sheet where the adhesive and the hot-melt adhesive powder have not been deposited, and finally forming the 3D object. The method of the present invention can be used with a variety of materials together for powders, substrates and solvents or degradants; composite materials can be produced, and thus 3D objects of high strength and low weight can be printed; 3D objects can be manufactured very quickly.
Description
Technical Field
The invention relates to a 3D object printing method, in particular to the manufacturing of three-dimensional objects.
Background
3D Printing has been widely used in life and production, and 3D Printing technology is also called as rapid prototyping technology or additive Manufacturing technology, and commonly used Three-Dimensional forming technology includes Fused Deposition (FDM) technology, Stereolithography (SLA) technology, Selective Laser Sintering (SLS) technology, Laminated Object Manufacturing (LOM) technology, Three-Dimensional inkjet Printing (Three-Dimensional Printing, 3DP) technology or Multi-nozzle Printing (Multi-Jet Printing, MJP) technology, etc., which are based on the basic principle of stacking 3D objects layer by layer after slicing a Three-Dimensional model, and in particular, in MJP technology, liquid Jet Printing heads are generally used to support liquid Jet Printing materials, and forming the target object after curing.
However, the traditional 3D printing technology still has the defects of single material color matching and too low product processing and building speed, and the industry focuses more on 3D printing materials, and it is considered that the 3D printing materials are the key for developing the 3D printing technology, but the 3D printing method generally lacks more thinking and improvement.
Disclosure of Invention
The invention aims to provide a 3D object printing method which is higher in printing and building speed.
Therefore, the 3D object printing method provided by the invention comprises the following steps:
the method comprises the following steps: depositing an adhesive on a base material sheet comprising a substrate material according to a planar pattern of each cross section of the 3D object by using a 3D printing device, wherein the planar pattern of each cross section corresponds to each layer of the 3D object; step two: applying a hot-melt adhesive powder to a substrate sheet, the hot-melt adhesive powder adhering to the sheet only at the positions of a desired pattern, removing the non-adhering hot-melt adhesive powder to form a coated substrate sheet, stacking and bonding a plurality of the substrate sheets;
step three: applying a polymerization pressure to the stacked substrate sheets and projecting heat onto the butted and coated substrate sheets;
step four: removing the areas of the substrate sheet where the adhesive and the hot-melt adhesive powder have not been deposited, and finally forming the 3D object;
the print-formed 3D object includes a plurality of substrate sheets polymerized together including adhesive, hot-melt bonding powder from each coated substrate sheet and the substrate sheets melt bonded to the adhesive, hot-melt bonding powder of an adjacent substrate sheet to form the 3D object, wherein at least some of the hot-melt bonding powder on the substrate sheets has melted to a liquid state and then hardened to bond at least a plurality of the substrate sheets together, wherein the hot-melt bonding powder hardens to form a 3D object space pattern morphology.
Further, the hot-melt adhesive powder is a thermoplastic, which is melted by projected heat.
Further, the substrate sheet comprises a carbon fiber substrate layer connected by a hardened thermoplastic or thermosetting.
Further, the 3D object is formed layer by layer, and the forming method includes: thermoplastic or thermosetting powder is deposited on one substrate sheet, then a second substrate sheet, then a third substrate sheet, and so on until the 3D object is formed, in a planar pattern for each cross-section of the 3D object.
Further, the powder comprises polyethylene and the substrate sheet comprises a woven or nonwoven sheet comprising polylactic acid.
Further, using computer modeling, a computer processor controls the selective deposition of the thermal fusion bonding powder based on a CAD model of the 3D object, the CAD model divided into a plurality of slices, the thermal fusion bonding powder selectively deposited on each substrate slice in a planar pattern for each cross-section of the 3D object.
Further, to build a 3D object layer by layer, the substrate sheets are aligned with each other and placed layer by layer, heat or heat and pressure are applied to the hot melt bonding powder and the substrate sheets to melt the powder, the resulting molten material coats and penetrates the substrate sheets, the molten material cools and solidifies, the solidified material holds adjacent layers of the substrate sheets together, heat and pressure being projected once per layer or every few layers.
Further, the hot melt adhesive powder includes particles encapsulating the liquid, and the compressing or heating may include rupturing at least a portion of the particles.
Further, in the first step: the adhesive is liquid for bonding hot-melt bonding powder, and the adhesive is matched with the hot-melt bonding powder for use along with different types of hot-melt bonding powder; in the third step: the heat projection is carried out in a laser heating mode; in the fourth step: and the area on the substrate sheet, on which the adhesive and the hot-melt adhesive powder are not deposited, is cut and removed by a laser cutting and engraving device, and the laser cutting and engraving device emits laser to engrave.
Further, the 3D printing apparatus includes: a) powder applying mechanism: a powder applying mechanism configured to selectively deposit a hot-melt adhesive powder on the substrate sheet, the powder applying mechanism movably disposed on an X-bar movably mounted on a Y-bar vertically mounted, the Y-bar movably mounted on the Z-bar, the powder applying mechanism, the X-bar, and the Y-bar being configured with a displacement driving mechanism; (b) heating element: the heating element is an emitter with thermal radiation capability that converts thermal fusion bonding powder into a flowable substance by heating with thermal radiation and then hardens into a hardened substance that bonds the substrate sheets together such that the infiltrated areas of each layer form a spatial pattern of the 3D object, wherein the substrate sheets have at least one material other than the hardened substance: (c) a pressing mechanism: the pressing mechanism comprises a pressing rod, the pressing rod is provided with an actuator capable of driving the pressing rod to move up and down, the lower end of the pressing rod is provided with an elastic cushion block, and the pressing mechanism applies polymerization pressure in the softening process of the hot-melt bonding powder; (d) a processor: the processor is configured for outputting control signals to control the powder application mechanism and the heating element, the processor being adapted for outputting the control signals in accordance with digital data specifying different slices of the 3D object, respectively, to selectively control deposition of the powder, respectively, for each substrate piece, respectively; (e) adhesive spraying device: the adhesive spraying device comprises a container, a spraying head and a moving mechanism, wherein the adhesive is stored in the container, and the moving mechanism drives the spraying head to spray the adhesive to the substrate sheet; (f) laser engraving device: the laser engraving device comprises a light source and a light source moving mechanism, wherein the light source moving mechanism drives the light source to move and cuts and engraves the multilayer composite substrate sheet according to a preset 3D object pattern.
The invention has the technical effects that:
1. the method of the invention can produce composite materials, so that 3D objects with high strength and low weight can be printed, and the method has wider application;
2. according to the method, the substrate sheets are stacked, the material is melted and solidified, and then the redundant area is cut and removed to form the 3D object, so that the forming is quicker, and the industrial high-efficiency application is facilitated;
3. the method of the present invention also allows for the creation of larger objects than the prior art, and parts can be colored or decorated, resulting in a richer 3D object.
Drawings
Fig. 1 is a schematic structural diagram of a 3D printing apparatus used in a 3D object printing method provided by the present invention, in which a substrate sheet is compressed.
Fig. 2 is a schematic structural diagram of a 3D printing apparatus used in the 3D object printing method provided by the present invention, in which a pressing rod moves up and releases the pressing of the substrate sheet.
Fig. 3 is a perspective view of the substrate sheet and the pressing mechanism in fig. 1 in a combined state.
FIG. 4 is a schematic diagram of a stacked state of the substrate pieces aligned one by one, in which the substrate pieces are sleeved on the guide rods.
FIG. 5 is a schematic diagram of a stacked state of the substrate pieces aligned one by one, in which the substrate pieces are not sleeved on the guide rods.
Fig. 6 shows a state in which the substrate sheet in fig. 1 is formed by spraying the adhesive agent spraying device in a predetermined planar pattern.
FIG. 7 is an enlarged cross-sectional view of the structure of the adhesive, hot melt adhesive powder, attached to a substrate sheet to form a cured area.
Fig. 8 is a schematic structural view of a laminated state of a plurality of substrate sheets, in which a structure of a solidified region formed by melting an adhesive and a hot-melt bonding powder is illustrated.
Fig. 9 is a schematic structural view after removing the redundant portion outside the curing region in fig. 8.
Fig. 10 is a schematic cross-sectional view of the structure of the hot-melt adhesive powder particle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 10, the 3D object printing method provided by the present invention includes the following steps:
the method comprises the following steps: depositing an adhesive 1 on a base material sheet 2 comprising a backing material according to a planar pattern of each cross section of the 3D object by using a 3D printing device, wherein the planar pattern of each cross section corresponds to each layer of the 3D object; wherein the adhesive 1 is a liquid capable of bonding the hot-melt adhesive powder 3, and the adhesive 1 is matched with the hot-melt adhesive powder 3 for use according to different types;
step two: applying the hot-melt adhesive powder 3 to the substrate sheet 2, the hot-melt adhesive powder 3 adhering to the substrate sheet 2 only at the locations of the desired pattern, removing the non-adhering hot-melt adhesive powder 3 to form the partially coated substrate sheet 2, the removing of the non-adhering hot-melt adhesive powder 3 being performed in a dust-sucking manner or a sweeping manner;
step three: heat is projected onto the substrate sheet 2 coated with the adhesive 1 and the hot-melt powder 3 by means of heat radiation.
Step four: another new substrate sheet 2 is stacked on the substrate sheet 2, each substrate sheet 2 is provided with two sleeve holes 14, and the stacking precision can be ensured through the matching of the sleeve holes 14 and the guide rods 13;
step five: polymerization pressure is applied over the stacked substrate sheets 2 to bond the two substrates.
Step six: removing the areas of the upper substrate sheet 2 where the adhesive 1 and the hot-melt adhesive powder 3 are not deposited, and finally forming the 3D object; and cutting and removing the areas on the substrate sheet 2 where the adhesive 1 and the hot-melt adhesive powder 3 are not deposited by using a laser cutting device, and in the sixth step, in addition to the areas where the adhesive 1 and the hot-melt adhesive powder 3 are not deposited by using laser cutting, the areas where the adhesive 1 and the hot-melt adhesive powder 3 are not deposited can be subjected to liquid degradation.
Step seven: to ensure good polymerization pressure, the areas of the first substrate sheet 2 where the adhesive 1 and the hot-melt adhesive powder 3 have not yet been deposited are finally removed. When the 3D object is removed, the 3D object needs to be rotated by 180 degrees, then the guide rod 13 is sleeved again, the top layer is formed for the first time, and then laser cutting is used for removing the 3D object.
The print-formed 3D object comprises a plurality of aggregated substrate sheets 2 comprising adhesive 1, hot-melt adhesive powder 3, and substrate sheets from each coated substrate sheet melt bonded to adjacent adhesive 1 and hot-melt adhesive powder 3 coated substrate sheets 2 to form a 3D object, wherein some of the hot-melt adhesive powder 3 on the substrate sheets 2 has been melted to a liquid state and subsequently hardened to form consolidated areas 15, thereby bonding at least a plurality of the substrate sheets 2 together, wherein the hot-melt adhesive powder 3 hardens to form a 3D object spatial pattern morphology. In the above embodiment, the 3D object is formed layer by layer, and the forming method includes: depositing a hot-melt bonding powder 3 (comprising a thermoplastic powder or a thermosetting plastic powder) onto one layer of substrate sheet 2, then onto a second layer of substrate sheet 2, then onto a third layer of substrate sheet 2, and so on until a 3D object is formed, in order to build up a 3D object layer by layer, aligning and laying down the substrate sheets 2 one upon the other, applying heat or heat and pressure to the hot-melt bonding powder 3 and substrate sheets 2 to melt the powder, coating or infiltrating the resulting molten material onto the substrate sheets 2, cooling and solidifying the molten material, bringing together adjacent substrate sheets 2 with the solidified material, projecting heat and pressure once per layer or layer.
Referring to fig. 7 to 10, in the above embodiment, the thermal fusion bonding powder 3 is a thermoplastic plastic which is melted by projected heat, and the substrate sheet 2 includes a carbon fiber substrate layer connected by hardened thermoplastic or thermosetting.
Referring to fig. 7-10, the hot melt adhesive powder 3 comprises polyethylene and the substrate sheet comprises a woven or nonwoven sheet of polylactic acid. The hot melt adhesive powder 3 comprises particles for encapsulating liquid, wherein partial particles can be cracked through compression or heating, the liquid wrapped in the particles is liquid epoxy resin, and the liquid epoxy resin can be used for curing and connecting each substrate sheet 2 after the particles are cracked and flow out, so that the curing effect is improved, and the curing speed is increased.
In the above embodiment, computer modeling is used, and the computer processor controls the selective deposition of the thermal fusion bonding powder based on the CAD model of the 3D object, which is divided into a plurality of slices, and the thermal fusion bonding powder 3 is selectively deposited on each substrate sheet 2 in a planar pattern of each cross-section of the 3D object, respectively.
Referring to fig. 1 to 5, the 3D printing apparatus employed in the above embodiment includes: (a) powder application mechanism 4: a powder applying mechanism 4 configured to selectively deposit a hot-melt adhesive powder on the substrate sheet 2, the powder applying mechanism 4 being movably disposed on an X-bar 5, the X-bar 5 being movably erected on a Y-bar 6, the Z-bar 7 being vertically erected, the Y-bar 6 being movably erected on the Z-bar 7, the powder applying mechanism 4, the X-bar 5, the Y-bar 6 being configured with a displacement driving mechanism; (b) heating element 8: the heating element 8 is an emitter with a heat radiation function, which converts the hot melt adhesive powder into a flowable substance by heating with heat radiation and then hardens into a hardened substance, which bonds the substrate sheets 2 together and forms the spatial pattern of the 3D object in the infiltrated areas of the layers, wherein the substrate sheets 2 have at least one material different from the hardened substance: (c) a pressing mechanism: the pressing mechanism comprises a pressing rod 9, the pressing rod 9 is provided with a driver capable of driving the pressing rod 9 to move up and down, the lower end of the pressing rod 9 is provided with an elastic cushion block 10, and the pressing mechanism applies polymerization pressure in the softening process of the hot-melt bonding powder; (d) a processor: the processor is configured for outputting control signals to control the powder application mechanism and the heating element, the processor being adapted for outputting the control signals in accordance with digital data specifying different slices of the 3D object, respectively, to selectively control deposition of the powder, respectively, for each substrate piece, respectively; (e) an adhesive agent spraying device 11, wherein the adhesive agent spraying device 11 comprises a container, an injection head and a moving mechanism, the adhesive agent is stored in the container, the moving mechanism drives the injection head to spray the adhesive agent to the substrate sheet, the adhesive agent spraying device 11 and the powder applying mechanism 4 are jointly arranged on a moving platform, and the two move simultaneously; (f) the laser cutting device 12: the laser cutting device 12 includes a light source and a light source moving mechanism, the light source moving mechanism drives the light source to move and cuts the multilayer composite substrate sheet according to a predetermined 3D object two-dimensional cross section, in this embodiment, the laser cutting device 12 is disposed on a moving platform together with the adhesive spraying device 11 and the powder applying mechanism 4.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A3D object printing method is characterized in that: the method comprises the following steps:
the method comprises the following steps: depositing an adhesive on a base material sheet comprising a substrate material according to a planar pattern of each cross section of the 3D object by using a 3D printing device, wherein the planar pattern of each cross section corresponds to each layer of the 3D object; step two: applying a hot-melt adhesive powder to a substrate sheet, the hot-melt adhesive powder adhering to the sheet only at the positions of a desired pattern, removing the non-adhering hot-melt adhesive powder to form a coated substrate sheet, stacking and bonding a plurality of the substrate sheets;
step three: applying a polymerization pressure to the stacked substrate sheets and projecting heat onto the butted and coated substrate sheets;
step four: removing the areas of the substrate sheet where the adhesive and the hot-melt adhesive powder have not been deposited, and finally forming the 3D object;
the print-formed 3D object includes a plurality of substrate sheets polymerized together including adhesive, hot-melt bonding powder from each coated substrate sheet and the substrate sheets melt bonded to the adhesive, hot-melt bonding powder of an adjacent substrate sheet to form the 3D object, wherein at least some of the hot-melt bonding powder on the substrate sheets has melted to a liquid state and then hardened to bond at least a plurality of the substrate sheets together, wherein the hot-melt bonding powder hardens to form a 3D object space pattern morphology.
2. The 3D object printing method of claim 1, wherein: the hot-melt adhesive powder is a thermoplastic which is melted by projected heat.
3. The 3D object printing method according to claim 1 or 2, wherein: the substrate sheet includes a carbon fiber substrate layer joined by a hardened thermoplastic or thermoset.
4. The 3D object printing method according to claim 1 or 2, wherein: the 3D object is formed layer by layer, and the forming method comprises the following steps: thermoplastic or thermosetting powder is deposited on one substrate sheet, then a second substrate sheet, then a third substrate sheet, and so on until the 3D object is formed, in a planar pattern for each cross-section of the 3D object.
5. The 3D object printing method according to claim 1 or 2, wherein: the powder comprises polyethylene and the substrate sheet comprises a woven or nonwoven sheet of polylactic acid.
6. The 3D object printing method according to claim 1 or 2, wherein: using computer modeling, a computer processor controls selective deposition of a thermal fusion bonding powder based on a CAD model of the 3D object, the CAD model divided into a plurality of slices, the thermal fusion bonding powder selectively deposited on each substrate slice in a planar pattern for each cross-section of the 3D object.
7. The 3D object printing method according to claim 1 or 2, wherein: to build a 3D object layer by layer, the substrate sheets are aligned with each other and placed layer by layer, heat or heat and pressure are applied to the hot melt bonding powder and substrate sheets to melt the powder, the resulting molten material coats and penetrates the substrate sheets, the molten material cools and solidifies, the solidified material holds adjacent layers of the substrate sheets together, heat and pressure being projected once per layer or every few layers.
8. The 3D object printing method according to claim 1 or 2, wherein: the hot melt adhesive powder comprises particles encapsulating a liquid, and the application of pressure or heat may comprise rupturing at least a portion of the particles.
9. The 3D object printing method according to claim 1 or 2, wherein: in the first step: the adhesive is liquid for bonding hot-melt bonding powder, and the adhesive is matched with the hot-melt bonding powder for use along with different types of hot-melt bonding powder; in the third step: the heat projection is carried out in a laser heating mode; in the fourth step: and the area on the substrate sheet, on which the adhesive and the hot-melt adhesive powder are not deposited, is cut and removed by a laser cutting and engraving device, and the laser cutting and engraving device emits laser to engrave.
10. The 3D object printing method according to claim 1 or 2, wherein: the 3D printing device includes: a) powder applying mechanism: a powder applying mechanism configured to selectively deposit a hot-melt adhesive powder on the substrate sheet, the powder applying mechanism movably disposed on an X-bar movably mounted on a Y-bar vertically mounted, the Y-bar movably mounted on the Z-bar, the powder applying mechanism, the X-bar, and the Y-bar being configured with a displacement driving mechanism; (b) heating element: the heating element is an emitter with thermal radiation capability that converts thermal fusion bonding powder into a flowable substance by heating with thermal radiation and then hardens into a hardened substance that bonds the substrate sheets together such that the infiltrated areas of each layer form a spatial pattern of the 3D object, wherein the substrate sheets have at least one material other than the hardened substance: (c) a pressing mechanism: the pressing mechanism comprises a pressing rod, the pressing rod is provided with an actuator capable of driving the pressing rod to move up and down, the lower end of the pressing rod is provided with an elastic cushion block, and the pressing mechanism applies polymerization pressure in the softening process of the hot-melt bonding powder; (d) a processor: the processor is configured for outputting control signals to control the powder application mechanism and the heating element, the processor being adapted for outputting the control signals in accordance with digital data specifying different slices of the 3D object, respectively, to selectively control deposition of the powder, respectively, for each substrate piece, respectively; (e) adhesive spraying device: the adhesive spraying device comprises a container, a spraying head and a moving mechanism, wherein the adhesive is stored in the container, and the moving mechanism drives the spraying head to spray the adhesive to the substrate sheet; (f) laser engraving device: the laser engraving device comprises a light source and a light source moving mechanism, wherein the light source moving mechanism drives the light source to move and cuts and engraves the multilayer composite substrate sheet according to a preset 3D object pattern.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108472727A (en) * | 2015-11-17 | 2018-08-31 | 因帕瑟伯物体有限责任公司 | The device and method and its product of metal-base composites for producing increasing material manufacturing |
| CN110430991A (en) * | 2017-02-02 | 2019-11-08 | 通用电气公司 | Layered material applying method and equipment for increasing material manufacturing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108472727A (en) * | 2015-11-17 | 2018-08-31 | 因帕瑟伯物体有限责任公司 | The device and method and its product of metal-base composites for producing increasing material manufacturing |
| CN110430991A (en) * | 2017-02-02 | 2019-11-08 | 通用电气公司 | Layered material applying method and equipment for increasing material manufacturing |
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