WO2015046217A1 - Procédé de fabrication d'un article façonné 3d, article façonné 3d et agent de revêtement pour imprimante 3d à stratification de résine thermofusible - Google Patents

Procédé de fabrication d'un article façonné 3d, article façonné 3d et agent de revêtement pour imprimante 3d à stratification de résine thermofusible Download PDF

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Publication number
WO2015046217A1
WO2015046217A1 PCT/JP2014/075225 JP2014075225W WO2015046217A1 WO 2015046217 A1 WO2015046217 A1 WO 2015046217A1 JP 2014075225 W JP2014075225 W JP 2014075225W WO 2015046217 A1 WO2015046217 A1 WO 2015046217A1
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Prior art keywords
coating agent
heat
laminated
soluble resin
printer
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PCT/JP2014/075225
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English (en)
Japanese (ja)
Inventor
西村　大輔
彰訓 田中
幸男 福島
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株式会社アルテコ
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Priority to JP2015539242A priority Critical patent/JP6027256B2/ja
Publication of WO2015046217A1 publication Critical patent/WO2015046217A1/fr

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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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material
    • 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
    • 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
    • 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
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C2059/027—Grinding; Polishing

Definitions

  • the present invention relates to a method for creating a 3D structure, a 3D structure, and a coating agent for a heat-dissolvable resin-laminated 3D printer.
  • Patent Document 1 a method described in Patent Document 1 is known as a method for creating a 3D structure using a heat-soluble resin laminated 3D printer.
  • the heat-soluble resin include ABS (acrylonitrile butadiene styrene) resin, PLA (polylactic acid) resin, and polyamide resin.
  • a 3D object formed by a heat-dissolving resin laminated type 3D printer is scanned with resin discharged from a printer head, for example, in the Y-axis direction and sequentially in the X-axis direction.
  • a plane is formed by stacking, and the plane is formed and then sequentially stacked in the Z-axis direction.
  • the stacking pitch P is a width (resin diameter) stacked on the X axis and the Z axis, and the difference in the pitch P causes a difference in the appearance finish and the modeling time.
  • the gap S between the resins R becomes small, so that it takes time to stack and the modeling time becomes long, but the surface of the model is finished cleanly.
  • the pitch P is wide, the modeling time is shortened, but as shown in FIG. 3, the gap S between the resins R becomes large, the unevenness (lamination line L) on the surface of the molded object is conspicuous, and the appearance is inferior.
  • the difference in modeling time becomes a cost difference, and it takes time and cost to finish the appearance of the modeled object beautifully. If the cost is suppressed, the appearance is inferior, and it is insufficient as a modeling sample. In addition, resin defects and cracks may occur during modeling, and this repair took time.
  • the present invention has a strength and a good appearance, and a method for creating a 3D model, which can create a model in a short time, a 3D model, and a heat-soluble resin laminate 3D It aims at providing the coating agent for printers.
  • the method of creating a 3D model according to the present invention is characterized in that a three-dimensional model formed by three-dimensionally laminating at a predetermined stacking pitch while discharging a heat-soluble resin with a 3D printer.
  • a coating agent mainly composed of 2-cyanoacrylate on the surface of the product, the coating agent is infiltrated and filled in the gaps of the laminated heat-soluble resin, and after the coating agent is cured, the above-mentioned 3 By polishing the surface of the three-dimensional structure, the gap along the laminated line formed by the laminated heat-soluble resin is filled.
  • the coating agent is filled by infiltrating the gaps in the heat-soluble resin, the gaps formed between the laminated heat-soluble resins are filled with the coating agent, and the surface of the 3D object is Smoothness is improved.
  • the coating agent 2-cyanoacrylate ester easily penetrates, the strength of the 3D modeled object by the hot-melt resin-laminated 3D printer can be improved by curing the 2-cyanoacrylate ester.
  • the surface is grind
  • the aesthetics of the model can be improved without reducing workability.
  • the composite property of improving the surface smoothness and improving the strength of the modeled object due to the penetration of 2-cyanoacrylate ester may reduce the strength of the 3D modeled object even if the stacking pitch of the 3D printer is widened.
  • filling the gap along the laminated line prevents the laminated line from being noticeable, and the appearance is also beautiful. And since it can produce with a wide lamination pitch, production time can be shortened and manufacturing cost can be held down. *
  • the feature of the 3D model according to the present invention is that 2-cyanoacrylic is formed on the surface of the three-dimensional model formed by three-dimensionally laminating at a predetermined stacking pitch while discharging a heat-soluble resin with a 3D printer.
  • a coating agent mainly composed of an acid ester the coating agent is infiltrated and filled into the gaps of the heat-dissolved resin laminated, and the surface of the three-dimensional structure is polished after the coating agent is cured.
  • the gap along the laminated line formed by the laminated heat-soluble resin is filled.
  • the coating agent is filled by infiltrating the gaps in the heat-soluble resin, the gaps formed between the laminated heat-soluble resins are filled with the coating agent, and the surface of the 3D object is Smoothness is improved.
  • the coating agent 2-cyanoacrylate ester easily penetrates, the strength of the 3D modeled object by the hot-melt resin-laminated 3D printer can be improved by curing the 2-cyanoacrylate ester.
  • the surface is grind
  • the aesthetics of the model can be improved without reducing workability.
  • the composite property of improving the surface smoothness and improving the strength of the modeled object due to the penetration of 2-cyanoacrylate ester may reduce the strength of the 3D modeled object even if the stacking pitch of the 3D printer is widened.
  • filling the gap along the laminated line prevents the laminated line from being noticeable, and the appearance is also beautiful. And since it can produce with a wide lamination pitch, production time can be shortened and manufacturing cost can be held down. *
  • the coating agent for the heat-soluble resin-laminated 3D printer according to the present invention is characterized in that 2-cyanoacrylic acid ester is the main component, and the heat-soluble resin is discharged by the 3D printer and is three-dimensional at a predetermined lamination pitch.
  • the surface of the three-dimensional structure is formed by coating the surface of the three-dimensional structure formed by being infiltrated and filled in the gaps of the heat-dissolved resin laminated, and the surface of the three-dimensional structure is polished after curing. The purpose is to fill a gap along the laminated line formed by the laminated heat-soluble resin.
  • the coating agent is filled by infiltrating the gaps in the heat-soluble resin, the gaps formed between the laminated heat-soluble resins are filled with the coating agent, and the surface of the 3D object is Smoothness is improved.
  • the coating agent 2-cyanoacrylate ester easily penetrates, the strength of the 3D modeled object by the hot-melt resin-laminated 3D printer can be improved by curing the 2-cyanoacrylate ester.
  • the surface is grind
  • the aesthetics of the model can be improved without reducing workability.
  • the composite property of improving the surface smoothness and improving the strength of the modeled object due to the penetration of 2-cyanoacrylate ester may reduce the strength of the 3D modeled object even if the stacking pitch of the 3D printer is widened.
  • filling the gap along the laminated line prevents the laminated line from being noticeable, and the appearance is also beautiful. And since it can produce with a wide lamination pitch, production time can be shortened and manufacturing cost can be held down. *
  • the pitch is 0.1 mm or more and 0.5 mm or less
  • the viscosity of the coating agent is preferably 1 mPa ⁇ s or more and 100 mPa ⁇ s or less.
  • the cured coating agent may be as hard as the heat-soluble resin or softer than the heat-soluble resin.
  • the durometer hardness of the cured coating agent is set to 70% or more and 125% or less of the durometer hardness of the heat-soluble resin.
  • the 3D modeled object and the coating agent for the heat-dissolvable resin-laminated 3D printer have a good appearance and a 3D modeled object in a short time while having strength It became possible.
  • a coating agent 1 for a heat-soluble resin laminated 3D printer according to the present invention includes a heat-soluble resin such as ABS resin, PLA (polylactic acid) resin, polyamide resin, etc. It is used for a modeled object formed by a 3D printer that is laminated in the Z-axis direction.
  • the manufacturing cost of the three-dimensional structure formed by this 3D printer is determined by the stacking pitch P and the stacking time. Although it depends on the printer model, when the minimum and maximum stacking pitches P are compared, the stacking time is about twice or more, and the manufacturing cost is about 1.5 times.
  • the stacking pitch P By increasing the stacking pitch P, the resin R ejected from the printer head is increased and the number thereof is decreased, so that the stacking time is shortened and the cost is suppressed.
  • the resin R becomes large the gap S between the adjacent resins R becomes large, and the unevenness on the surface of the molded product 100 becomes large. Therefore, the laminated line L formed when the adjacent resins R come into contact with each other is conspicuous, and the appearance of the modeled object is deteriorated.
  • unevenness is formed on the surface of the 3D structure 100 by the laminated resin R.
  • the exposed resin R 'must be scraped, and the 3D object is reduced.
  • the polishing scraps of the resin R enter the gap S, and the aesthetic appearance is impaired.
  • the coating agent 1 when the coating agent 1 is applied, the coating agent 1 is filled by permeating the gap S and the outer surface of the resin R is thinly covered. Then, the 2-cyanoacrylic acid ester of the coating agent 1 filled in the gap S is cured, so that the gap S is filled and the strength of the entire model 100 is increased. Further, as shown in FIG. 4 (d), the coating agent 1 on the surface of the resin R may be polished, so that it is possible to improve the aesthetics by smoothing the surface while maintaining the accuracy of the size and shape of the molded object. Become. As described above, the combined effect of improving the smoothness and strength of the shaped article can be obtained by infiltrating the coating agent mainly composed of 2-cyanoacrylate. Moreover, when the coating agent 1 is applied to the modeled object 100 as shown in the figure, it becomes smooth if it is polished to such an extent that the outer dimensions do not change, and the polishing amount is small and the working time is not increased.
  • the polishing amount of the resin R is as shown in FIG. ) Is sufficiently small as compared with the example.
  • the increase in the polishing amount is suppressed, the workability is not lowered and the surface can be smoothed.
  • the coating agent 1 By applying the coating agent 1 to a 3D model having a wide stacking pitch P, the gap S formed on the surface of the model 100 can be buried and the layered line L can be removed. In addition, the time required for finishing is reduced and the cost is reduced as compared with the production of a narrow shaped article having a long lamination pitch P, and the aesthetics of the finish is improved. Moreover, the finish of 3D modeling thing can be further improved by using the coating agent 1 for the repair of the defect
  • the stacking pitch P is, for example, 0.05 mm to 0.5 mm, depending on the 3D printer model, and is 0.1 mm to 0.5 mm in the present embodiment, for example.
  • the coating agent 1 according to the present invention is mainly composed of 2-cyanoacrylate.
  • Various additives such as thickeners, diluents and viscosity reducing agents, stabilizers, enhancers, colorants, accelerators, plasticizers, ultraviolet absorbers and the like are appropriately added to the coating agent 1 as necessary. .
  • the viscosity of the coating agent 1 is adjusted to be 0.1 mPa ⁇ s or more and 1000 mPa ⁇ s or less. If the viscosity is too high, the penetrability is poor and the coating agent 1 does not enter the gaps S between the resins R, and the layer of the coating agent 1 becomes thick and cures slowly. On the other hand, if the viscosity is too low, the resin passes through the gap S between the resins R, and the gap S cannot be filled. Preferably, it is 1 mPa ⁇ s or more and 100 mPa ⁇ s or less.
  • the gap S of the 3D structure 100 having the above-described stacking pitch P of 0.1 mm to 0.5 mm can be filled.
  • 500 mPa ⁇ s or more, preferably a jelly shape is suitable. Therefore, the viscosity of the coating agent 1 is adjusted to the above numerical range.
  • the coating agent 1 is adjusted so that the hardness after curing is equal to or softer than the hardness of the heat-soluble resin constituting the 3D model. If the hardened coating agent is harder than the heat-soluble resin, the 3D model is exclusively scraped, and conversely if the hardened coating agent is soft, the coating agent is exclusively scraped, and the surface is not uniform.
  • the durometer hardness of the ABS resin is 75 to 85
  • the durometer hardness of the PLA resin is 75 to 83
  • the durometer hardness of the polyamide resin is 65 to 75.
  • the durometer hardness after curing of the coating agent 1 can be adjusted by the type of 2-cyanoacrylic acid ester described later and the amount of plasticizer added to the coating agent 1.
  • the durometer hardness of the cured coating agent is adjusted to a value of 70% or more and 125% or less with respect to the durometer hardness of the heat-soluble resin.
  • the coating agent 1 becomes equivalent hardness with respect to a heat-soluble resin, one material does not become too soft, polishing property is good and workability is also improved. More preferably, it is in the range of 80% or more and less than 100%. Since most of the 3D structure 100 is covered with the coating agent 1, the workability is further improved by adjusting the durometer hardness so that the hardness of the coating agent 1 after curing is slightly softer than the heat-soluble resin. To do.
  • 2-cyanoacrylate ester methyl 2-cyanoacrylate, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, n-pentyl, n-octyl, methoxyethyl, ethoxyethyl, ethoxypropyl
  • An ester such as 2-cyanoacrylic acid ester generally used for cyanoacrylate adhesives can be used.
  • These 2-cyanoacrylic acid esters can be used alone or in combination of two or more.
  • ethyl cyanoacrylate and ethoxyethyl cyanoacrylate and methoxyethyl cyanoacrylate are preferable in terms of odor.
  • the gap S of the resin R is filled to smooth the surface and the strength of the 3D model is improved. Further, the removal of the laminated line L is facilitated.
  • Thickeners include polymethyl methacrylate, copolymers of methyl methacrylate and acrylic esters, copolymers of methyl methacrylate and other methacrylic esters, acrylic rubber, urethane rubber, hydrophobic silica, etc.
  • the thickener generally used for a cyanoacrylate adhesive can be used. These thickeners can be used alone or in combination of two or more.
  • the thickener is blended in the range of 0.1 to 30 parts by weight with respect to 100 parts by weight of 2-cyanoacrylic acid ester. Preferably, it is 1 part by weight or more and 25 parts by weight or less. If it is less than this, the viscosity cannot be increased, and if it is more than this, it remains without dissolving.
  • Diluents and viscosity reducing agents lower the viscosity of the coating agent in order to improve the permeability when the lamination pitch is fine.
  • Diluents and viscosity reducing agents include acetone, methyl ethyl ketone, chloroform, dichloromethane, trichloroethylene, 1,1-dichloro-1-fluoroethane, and the like.
  • diluents used for cyanoacrylate adhesives are used. Can be used. These diluents and viscosity reducing agents can be used alone or in combination of two or more.
  • the diluent and viscosity reducing agent are blended in the range of 0.1 parts by weight to 200 parts by weight with respect to 100 parts by weight of 2-cyanoacrylate. More preferably, it is 10 to 150 parts by weight. Below this range, there is no effect of reducing the viscosity, and when it exceeds this range, the ratio of cyanoacrylate becomes too low, so that no coating agent remains on the surface.
  • the stabilizer examples include sulfur dioxide, methanesulfonic acid, p-toluenesulfonic acid, boron trifluoride diethyl ether, HBF 4 , hydroquinone, hydroquinone monomethyl ether, t-butylcatechol, catechol, and pyrogallol.
  • the stabilizer used for the cyanoacrylate adhesive can be used. These stabilizers can be used alone or in combination of two or more.
  • the stabilizer is blended in the range of 0.01 ⁇ 10 ⁇ 6 parts by weight to 5 parts by weight with respect to 100 parts by weight of 2-cyanoacrylate. Preferably, it is 1 ⁇ 10 ⁇ 6 or more and 0.5 part by weight or less.
  • the accelerator examples include diethylene glycol, polyethylene glycol, polyethylene glycol monoalkyl, polyethylene glycol dialkyl, 12-crown-4, 15-crown-5, 18-crown-6, calixarene, etc.
  • Stabilizers used in system adhesives can be used. These accelerators can be used alone or in combination of two or more.
  • the accelerator is blended in the range of 0.0001 parts by weight to 5 parts by weight with respect to 100 parts by weight of 2-cyanoacrylate. Preferably, they are 0.01 weight part or more and 1 weight part or less.
  • Plasticizers include triethyl acetyl citrate, tributyl acetyl citrate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, diisodecyl phthalate, dihexyl phthalate, dioctyl phthalate, bis (2-ethylhexyl) phthalate, ethylene carbonate
  • the plasticizer generally used for cyanoacrylate adhesives can be used. These plasticizers can be used alone or in combination of two or more. The plasticizer is blended in the range of 0.1 to 100 parts by weight with respect to 100 parts by weight of 2-cyanoacrylate.
  • abrasiveness and machinability are the same as those without addition. Beyond this range, it becomes too soft and, on the other hand, the abrasiveness and machinability deteriorate.
  • it is 10 parts by weight or more and 50 parts by weight or less.
  • UV absorbers examples include benzotriazole UV absorbers and hydroxybenzophenone UV absorbers, and UV absorbers generally used for cyanoacrylate adhesives can be used. These ultraviolet absorbers can be used alone or in combination of two or more.
  • the ultraviolet absorber is blended in the range of 0.001 to 1 part by weight with respect to 100 parts by weight of 2-cyanoacrylate. Preferably, it is 0.01 parts by weight or more and 0.5 parts by weight or less.
  • Typical additives include those mentioned above, but are not limited to these, and various additives that are generally added to cyanoacrylate adhesive compositions are contained at concentrations that are usually added. Also good. For example, an optical brightener may be further added to prevent discoloration of the coating agent over time. Further, a colorant such as fluoranthene or anthracene may be added.
  • a curing accelerator for example, trade name: Arteco spray primer
  • the hardening time of a coating agent is further shortened and the increase in manufacturing cost is suppressed.
  • the machinability is improved, the appearance becomes more beautiful by polishing.
  • components of the curing accelerator for example, cyclopentane, ethyl alcohol, acetone, heptane and the like as the solvent, dimethylaniline, dimethyl paratoluidine, diethyl metatoluidine and the like as the curing component, and LPG, dimethyl ether and the like as the propellant gas are raised. .
  • a 3D shaped object having a predetermined shape is created using the above-described hot-melt resin laminated 3D printer.
  • a plurality of laminated lines L appear on the surface of the 3D structure 100.
  • the coating agent 1 is applied to the surface of the 3D model 100 with a dedicated brush 10, and the coating agent 1 is infiltrated and filled into the concave portions (the gaps S between the resins R).
  • the coating agent 1 dries (hardens) in a few minutes, and the surface of the molded article 100 becomes glossy.
  • the coating agent 1 may be applied twice and three times.
  • the tip of the dedicated brush 10 is made of PBT, if the tip is immersed in the coating agent 1, the tip of the tip is hard to solidify and can be used repeatedly.
  • a curing accelerator 20 is applied as shown in FIG. Thereby, the curing time can be further shortened.
  • the laminated line L will be lose
  • polishing finish for example, first, rough cutting is performed with the polishing papers # 320 to # 400, and polishing is performed with the polishing papers # 800 to # 1000 to erase the laminated line L, thereby finishing the glossy shaped article.
  • the gloss finish is performed with the 3000th and 8000th compounds. Thereby, as shown in FIG. 9, it becomes the 3D modeling object 100 which does not have the lamination
  • the polishing operation as described above is performed. Even if it is, the unevenness on the surface cannot be completely removed by polishing, and the laminated line L cannot be erased. Further, the abrasive powder is mixed into the gap S, and the aesthetics are also lowered.
  • the coating agent 1 when the coating agent 1 is applied to the surface of the molded article 100 created by roughening the lamination pitch P in order to shorten the modeling time, the coating agent is applied to the gap S between the resins R. 1 is impregnated, and polishing can be performed as described above to remove the laminated line L and finish the surface smoothly.
  • the present invention can also be said to be a coating method for a 3D structure manufactured by a hot-melt resin-laminated 3D printer.
  • the said coating agent 1 is apply
  • the substrate is treated with abrasive paper # 320 to # 400, and then the surfacer is uniformly applied. After drying, remove the surfacer with abrasive paper # 1000 and check for any polishing residue or grooves. If necessary, repair with the above coating agent 1 or putty. After repair, the surfacer is applied again and polished with abrasive paper # 1000. Then, paint is applied, and after drying, clear paint is applied and polished with a compound.
  • a modeled object having a size of 120 ⁇ 50 ⁇ 30 mm was made of ABS resin at a lamination pitch of 0.254 mm.
  • the modeling time was 50 minutes.
  • a modeled object having a size of 120 ⁇ 50 ⁇ 30 mm was made of PLA resin at a lamination pitch of 0.127 mm.
  • the modeling time was 120 minutes.
  • a modeled object having a size of 120 ⁇ 50 ⁇ 30 mm was made of ABS resin at a lamination pitch of 0.127 mm.
  • the modeling time was 120 minutes.
  • Example 1 A cyanoacrylate composition containing 20 ppm by weight of sulfur dioxide, 0.1 part by weight of hydroquinone and 20 parts by weight of dimethyl phthalate was prepared with respect to 100 parts by weight of ethyl-2-cyanoacrylate as a coating agent. The durometer hardness after curing of this coating agent was set to 70. As a finishing operation, the cyanoacrylate composition was applied to the surface of the molded article 100 with a brush. In that case, it apply
  • Example 2 A cyanoacrylate composition containing 20 parts by weight of sulfur dioxide and 0.1 parts by weight of hydroquinone with respect to 100 parts by weight of ethoxyethyl-2-cyanoacrylate was prepared. The durometer hardness after curing of this coating agent was set to 70. The finishing operation was the same as in Example 1.
  • Example 3 A cyanoacrylate composition containing 20 parts by weight of sulfur dioxide, 100 parts by weight of hydroquinone, 10 parts by weight of polymethyl methacrylate, and 30 parts by weight of dioctyl phthalate with respect to 100 parts by weight of ethyl-2-cyanoacrylate It was adjusted. The durometer hardness after curing of this coating agent was set to 70. The finishing operation was the same as in Example 1. [Example 4] Using the composition of Example 1, it was applied to the surface of the shaped article 2 and cured using a trade name “Arteco Spray Primer” of Arteco as a curing accelerator. The finishing operation was the same as in Example 1. [Example 5] The finish-finished shaped product of Example 4 was painted with an acrylic paint.
  • the abrasive paper was changed from coarse to fine, # 400 ⁇ # 1000 ⁇ # 3000 ⁇ # 8000, and the laminated line was shaved to finish it smoothly.
  • the model 2 was painted with acrylic paint without polishing.
  • the coating agent and 3D model creation method according to the present invention are useful for improving the efficiency of model creation with a 3D printer and improving the appearance of the model.

Abstract

　L'invention concerne un procédé de fabrication d'un article façonné 3D, un article façonné 3D et un agent de revêtement pour imprimante 3D à stratification de résine thermofusible, grâce auxquels il est possible de fabriquer rapidement un article façonné de bonne apparence, présentant également une résistance. Un agent de revêtement (1) contenant en tant qu'ingrédient principal un ester de l'acide 2-cyanoacrylique est appliqué sur la surface d'un article façonné tridimensionnel (100) formé par éjection d'une résine thermofusible (R) par une imprimante 3D et stratification tridimensionnelle de celui-ci à un pas de stratification prescrit (P), des espaces (S) étant infiltrés dans la résine thermofusible stratifiée (R) et remplis par l'agent de revêtement (1). Après le durcissement de l'agent de revêtement (1), la surface de l'article façonné tridimensionnel (100) est polie, enterrant ainsi les espaces (3) situés le long des lignes de stratification formées par la résine thermofusible stratifiée (R).
PCT/JP2014/075225 2013-09-24 2014-09-24 Procédé de fabrication d'un article façonné 3d, article façonné 3d et agent de revêtement pour imprimante 3d à stratification de résine thermofusible WO2015046217A1 (fr)

Priority Applications (1)

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JP2015539242A JP6027256B2 (ja) 2013-09-24 2014-09-24 ３ｄ造形物の作成方法及び３ｄ造形物のコーティング方法

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JP2013197577 2013-09-24
JP2013-197577 2013-09-24

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WO2015046217A1 true WO2015046217A1 (fr) 2015-04-02

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CN109307613A (zh) * 2018-10-18 2019-02-05 中国石油天然气股份有限公司 一种制备人造岩心的方法及装置
JP2021020417A (ja) * 2019-07-30 2021-02-18 ケイワイ株式会社 立体造形用データ生成プログラム
GB2587424A (en) * 2019-09-30 2021-03-31 Henkel IP & Holding GmbH Three dimensional printed parts made by additive manufacturing using cyanoacrylates in post processing
JP2021521023A (ja) * 2018-04-09 2021-08-26 ピーアールシー−デソト インターナショナル，インコーポレイティド テクスチャ加工され、３ｄ印刷された基材用のコーティング
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JPWO2017094791A1 (ja) * 2015-12-03 2018-09-06 株式会社リコー 情報処理装置、立体造形システム、情報処理方法、情報処理プログラム及びコンピュータ読取可能な記録媒体
WO2017094791A1 (fr) * 2015-12-03 2017-06-08 株式会社リコー Dispositif de traitement d'informations, système de fabrication tridimensionnel, procédé de traitement d'informations, programme de traitement d'informations, et support d'enregistrement lisible par un ordinateur
AU2016361706B2 (en) * 2015-12-03 2020-04-30 Ricoh Company, Ltd. Information-processing device, three-dimensional manufacturing system, information-processing method, information-processing program, and computer-readable recording medium
US11135790B2 (en) * 2016-11-21 2021-10-05 Carbon, Inc. Method of making three-dimensional object by delivering reactive component for subsequent cure
JP2018099845A (ja) * 2016-12-21 2018-06-28 株式会社 ミタテ工房 造形物造形方法
JP2021521023A (ja) * 2018-04-09 2021-08-26 ピーアールシー−デソト インターナショナル，インコーポレイティド テクスチャ加工され、３ｄ印刷された基材用のコーティング
JP7322059B2 (ja) 2018-04-09 2023-08-07 ピーアールシー－デソト インターナショナル，インコーポレイティド テクスチャ加工され、３ｄ印刷された基材用のコーティング
CN109307613A (zh) * 2018-10-18 2019-02-05 中国石油天然气股份有限公司 一种制备人造岩心的方法及装置
CN109307613B (zh) * 2018-10-18 2021-07-02 中国石油天然气股份有限公司 一种制备人造岩心的方法及装置
JP2021020417A (ja) * 2019-07-30 2021-02-18 ケイワイ株式会社 立体造形用データ生成プログラム
WO2021063845A1 (fr) * 2019-09-30 2021-04-08 Henkel IP & Holding GmbH Pièces imprimées en trois dimensions fabriquées par fabrication additive à l'aide de cyanoacrylates en post-traitement
GB2587424A (en) * 2019-09-30 2021-03-31 Henkel IP & Holding GmbH Three dimensional printed parts made by additive manufacturing using cyanoacrylates in post processing
GB2587424B (en) * 2019-09-30 2023-12-13 Henkel IP & Holding GmbH Three dimensional printed parts made by additive manufacturing using cyanoacrylates in post processing
US11623410B2 (en) 2020-01-30 2023-04-11 Seiko Epson Corporation Three-dimensional shaped object manufacturing method and information processing device

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