CN108454112B - A method of removing 3D printing water-soluble support materials - Google Patents

A method of removing 3D printing water-soluble support materials Download PDF

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Publication number
CN108454112B
CN108454112B CN201810622938.5A CN201810622938A CN108454112B CN 108454112 B CN108454112 B CN 108454112B CN 201810622938 A CN201810622938 A CN 201810622938A CN 108454112 B CN108454112 B CN 108454112B
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printing
support materials
water
soluble support
solvent
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CN108454112A (en
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杨伟
张东晓
雷刚
王会杰
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Peking University
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Peking University
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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
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/35—Cleaning
    • 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
    • B29C64/379—Handling of additively manufactured objects, e.g. using robots
    • 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

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

Abstract

The present invention relates to 3D printing post-processing technology fields, in particular to a kind of method for removing 3D printing water-soluble support materials.A method of removing 3D printing water-soluble support materials, comprising the following steps: 3D printing sample is placed in mixed solution, ultrasonic treatment；Vortex is impregnated, and then air pressure blows out residue；Cleaning, it is dry；The mixed solution is the mixed solution of bases solvent, silicates solvent, activating agent and water, the bases solvent, the silicates solvent, the activating agent and the water mass ratio be 1.5-3:0.8-1.5:0.8-1.5:95-97.This method have it is low to environmental requirement, it is easy to operate, it is at low cost, it is high-efficient, and the characteristics of do not damage photosensitive resin moulding material precision and surface characteristic.

Description

A method of removing 3D printing water-soluble support materials
Technical field
The present invention relates to 3D printing post-processing technology fields, in particular to a kind of removing 3D printing Water Soluble Support The method of material.
Background technique
3D printing technique increases material technology, is realized by digital file format (such as STL) and file printing machine.3D Printing technique can be asymmetric, structure is complicated etc., and accurate model carries out personalized customization to more curved surfaces, has at low cost, the period It is short, the advantages that precision is high, and replicability is strong, be widely used to biologic medical, aerospace at present, cultural creative, industry pattern, Geological model, petrochemical industry and other field.3D printing technique is typically prepared process: (1) three dimensional design.Pass through 3-D scanning Or computer modeling software modeling, three-dimensional data model is established, three-dimensional data model " is cut according to certain way layering stroke Piece " instructs computer successively to print；(2) 3D printing technique is selected.It, will be three-dimensional according to printer model feature selecting appropriate process Data model imports 3D printing equipment, and printer is by reading " slice " information, the materials such as liquid, powdered or sheet of use Material will be printed successively, and the stroke 3D solid that gets up is merged in every bed boundary in various ways.(3) it post-processes.Remove fid Expect, polish, tinting etc. to obtain ideal product.
The post-processing for removing backing material is the important component of 3D printing technique, directly affects the ruler of printer model Very little, precision, function etc..At present 3D printing materials for support material primary water-soluble backing material, have fusing point low (such as wax) as branch Timbering material two types.The conventional method for removing water-soluble support materials is: giant flushing is carried out to the model of 3D printing, Remaining water-soluble material is further removed by alkaline solution, and water-soluble substance is removed with dissolution mechanism.Because backing material is main By soluble material and arrange uniformly distributed basis material and form, there is certain intensity, it is survivable, using simple alkaline solution into Row dissolution cleaning method, it is difficult to water-soluble support materials are thoroughly cleaned, it at all can not be clear for the backing material in fine structure It removes, causes sample that cannot meet the requirements.
In view of this, the present invention is specifically proposed.
Summary of the invention
For the determination and deficiency of existing 3D printing post-processing approach, the present invention provides a kind of removing 3D printing water solubility branch The method of timbering material, this method have it is low to environmental requirement, it is easy to operate, it is at low cost, it is high-efficient, and do not damage photosensitive resin The characteristics of moulding material precision and surface characteristic.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
A method of removing 3D printing water-soluble support materials, comprising the following steps: it is molten that 3D printing sample is placed in mixing In liquid, ultrasonic treatment；
Vortex is impregnated, and then air pressure blows out residue；
Cleaning, it is dry；
The mixed solution is the mixed solution of bases solvent, silicates solvent, activating agent and water, and the bases is molten Agent, the silicates solvent, the activating agent and the water mass ratio be 1.5-3:0.8-1.5:0.8-1.5:95- 97。
The method provided by the invention for removing 3D printing water-soluble support materials selects specific mixed solution, logical first Cross in mixed solution and be ultrasonically treated, with to 3D printing backing material carry out ultrasonic vibration destruction, because backing material mainly by Soluble material is formed with uniformly distributed basis material is arranged, and has certain intensity, and backing material compactness is stronger, is surpassed Sound enters after destroying convenient for solution.Ultrasonic vibration is limited on the influence of the fluid ability of solution, therefore, then has been put in biggish It is impregnated in the vortex in flow field, convenient in mixed solution disengaging model, after forming a routing, what air pressure can be accelerated to be dissolved down Basis material outflow, while air pressure causes the certain destruction of internal backing material, convenient for further dissolution backing material.Then Through over cleaning, 3D printing backing material more can be thoroughly removed.
This method have to environmental requirement it is low, it is easy to operate, it is at low cost, it is high-efficient, and do not damage photosensitive resin molding The characteristics of material precision and surface characteristic.
Wherein, basic solvent alkaline solvent is also known as protophilic solvent (protophilicsolvent).It is this kind of For solvent compared with water, the tendency for receiving proton is bigger than water, their solvated proton ratio H3OTenAcidity it is weak.Such as ethylenediamine, liquid State ammonia etc. belongs to basic solvent.
Silicates solvent is generally sodium metasilicate.
Further, the activating agent is fluorine-containing surfactant, in silicon-containing surfactant, boracic surfactant One kind.
Further, the temperature of the ultrasonic treatment is 0-30 DEG C.As in different embodiments, the temperature of ultrasonic treatment can Think 0 DEG C, 1 DEG C, 3 DEG C, 5 DEG C, 8 DEG C, 10 DEG C, 15 DEG C, 18 DEG C, 20 DEG C, 25 DEG C, 28 DEG C, 30 DEG C etc..
If the temperature drift of the temperature of ultrasonic treatment, can make 3D model in processes, colour changing pigment expands in backing material It is scattered in transparent material, but not has other influences.Preferably, the temperature of the ultrasonic treatment is 15 DEG C or less.
Further, ultrasonic frequency used in the ultrasonic treatment is 40 ± 2KHz.
Further, the vortex are as follows: the vortex formed with mixing speed for 10r/min~1000r/min.
As in various embodiments, mixing speed can be 10r/min, 20r/min, 30r/min, 50r/min, 60r/ min、80r/min、100r/min、120r/min、130r/min、150r/min、180r/min、200r/min、250r/min、 300r/min, 400r/min, 500r/min, 600r/min, 700r/min, 800r/min, 900r/min, 1000r/min etc..
Further, the time that the vortex is impregnated is 15-24h.
It is related to the complexity of model to be vortexed the time impregnated, such as mini Mod or the biggish model of hole, when immersion Between it is shorter；On the contrary, then soaking time is longer.
As in different embodiments, be vortexed immersion time can for 15h, 16h, 17h, 18h, 19h, 20h, 21h, 22h, For 24 hours etc..
Further, the range of the air pressure is 0-1MPa.As in various embodiments, air pressure can for 0MPa, 0.1MPa, 0.2MPa, 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa, 0.7MPa, 0.8MPa, 0.9MPa, 1.0MPa etc..
Further, the cleaning are as follows: cleaned repeatedly using peristaltic pump.
Preferably, the time of the cleaning is 60-72h.
As in various embodiments, the time of cleaning is 60h, 62h, 65h, 66h, 70h, 72h etc..
Similarly, the time of cleaning is also closely related with model size and duct size.
Further, the ultrasonic treatment to the step of cleaning, is repeated more than once.
While repeating the above steps, according to the turbidity of mixed solution, mixed solution is replaced.
Iterative cycles several times after, fine and close backing material can be dissolved, cleaned completely removal, which can be obtained, is made material 3D printing model.
In addition, the method provided by the invention for removing 3D printing water-soluble support materials, mainly applicable water solubility is made Material is 706 water-soluble support materials of Fullcure, 706 water-soluble support materials of sup, 705 water-soluble support materials of sup Etc..
In addition, the method provided by the invention for removing 3D printing water-soluble support materials, is particularly suitable for moulding material Photosensitive resin class material, such as the transparent photosensitive resin of Vero Clear.
The grid density of 3D printing model can be type, sparse type, dense type etc..
Compared with prior art, the invention has the benefit that
(1) the method for the present invention passes through ultrasonic vibration, physical agitation, and air pressure purging etc. is directly dissolved and propped up in 3D printing sample Timbering material can thoroughly remove backing material.
(2) present invention can solve to import and export small and Water Soluble Support material in the 3D printing sample of internal cavities complexity very well Expect removal problem, improves dissolution time, greatly shorten 3D printing finishing time.
(3) the method for the present invention is smaller to damages such as material surface, structure sizes, can well solve transparent 3D printing material Expect visualization problem.
(4) this method have to environmental requirement it is low, it is easy to operate, it is at low cost, it is high-efficient, and do not damage photosensitive resin at The characteristics of profile material precision and surface characteristic.
(5) this method is directed to the removing aftertreatment technology of water-soluble material suitable for laboratory or factory, especially Link is post-processed using the 3D printing of water-soluble support materials.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.
Fig. 1 is the picture before the 3D printing sample of the embodiment of the present invention 1 is untreated；
Fig. 2 is the picture after the 3D printing sample treatment of the embodiment of the present invention 1；
Fig. 3 is the picture before the 3D printing sample of the embodiment of the present invention 2 is untreated；
Fig. 4 is the picture after the 3D printing sample treatment of the embodiment of the present invention 2；
Fig. 5 is the picture before the 3D printing sample of the embodiment of the present invention 3 is untreated；
Fig. 6 is the picture after the 3D printing sample treatment of the embodiment of the present invention 3.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is The conventional products that can be obtained by commercially available purchase.
Embodiment 1
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid Fullcure, grid density type For Lite.
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 25 DEG C, by 3D printing sample as the dynamic cleaning of 40KHz ultrasound cleaner vibrator is passed through in mixed solution, really The structure for protecting internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 10r/min, after impregnating 15 hours, is passed through 0MPa air pressure blows out residue, cleans repeatedly finally by peristaltic pump 60 hours, can be thoroughly clear by 3D printing backing material Wash clean.
To the material tests of cleaning, before and after the processing as depicted in figs. 1 and 2.It should be noted that is turned to be yellow after processing is not Residual is to cause colour changing pigment in backing material to be diffused into transparent material because temperature is higher.The result shows that 3D printing sample Appearance keeps transparent, and surface cleaning does not influence, without the remaining water-soluble support materials of discovery in fine structure.Therefore, whole A treatment process does not influence the appearance, surface quality and fine structure of 3D printing sample.
Embodiment 2
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid Fullcure, grid density type For Standard.
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 0 DEG C, by 3D printing sample, as passing through in mixed solution, 40KHz ultrasound cleaner vibrator is dynamic to be cleaned, it is ensured that The structure of internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 200r/min, after impregnating 20 hours, is passed through The air pressure of 0.4MPa blows out residue, cleans repeatedly finally by peristaltic pump 68 hours, can be thorough by 3D printing backing material Bottom cleans up.
To the material tests of cleaning, before and after the processing as shown in Figure 3 and Figure 4.The result shows that 3D printing sample appearance keeps saturating Bright, surface cleaning does not influence, without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process The appearance, surface quality and fine structure of 3D printing sample are not influenced.
Embodiment 3
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid Fullcure, grid density type For Heavy.
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 30 DEG C, by 3D printing sample as the dynamic cleaning of 40KHz ultrasound cleaner vibrator is passed through in mixed solution, really The structure for protecting internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 500r/min, after impregnating 24 hours, is passed through The air pressure of 0.8MPa blows out residue, cleans repeatedly finally by peristaltic pump 72 hours, can be thorough by 3D printing backing material Bottom cleans up.
To the material tests of cleaning, before and after the processing as shown in Figure 5 and Figure 6.It should be noted that is turned to be yellow after processing is not Residual is to cause colour changing pigment in backing material to be diffused into transparent material because temperature is higher.The result shows that 3D printing sample Appearance keeps transparent, and surface cleaning does not influence, without the remaining water-soluble support materials of discovery in fine structure.Therefore, whole A treatment process does not influence the appearance, surface quality and fine structure of 3D printing sample.
Embodiment 4
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid Fullcure, grid density type For Standard.
Bases solvent, silicates solvent, activating agent and water are stirred according to the ratio of weight 1.5:1.5:0.8:97 It is even, mixed solvent is made；At 10 DEG C, 3D printing sample is moved as in mixed solution by 40KHz ultrasound cleaner vibrator Cleaning, it is ensured that the structure of internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 1000r/min, after impregnating 15 hours, is passed through The air pressure of 1MPa blows out residue, cleans repeatedly finally by peristaltic pump 70 hours, can be thorough by 3D printing backing material It cleans up.
To the material tests of cleaning, the results showed that, 3D printing sample appearance keeps transparent, and surface cleaning does not influence, Without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process do not influence 3D printing sample appearance, Surface quality and fine structure.
Embodiment 5
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid Fullcure, grid density type For Standard.
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 3:0.8:1.5:95, Mixed solvent is made；It is at 15 DEG C, 3D printing sample is dynamic clear as 40KHz ultrasound cleaner vibrator is passed through in mixed solution It washes, it is ensured that the structure of internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 100r/min, after being soaked for a period of time, is led to The air pressure blowout residue for crossing 0.5MPa, is cleaned 65 hours repeatedly finally by peristaltic pump, can be by 3D printing backing material Thoroughly clean up.
To the material tests of cleaning, the results showed that, 3D printing sample appearance keeps transparent, and surface cleaning does not influence, Without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process do not influence 3D printing sample appearance, Surface quality and fine structure.
Embodiment 6
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are grid sup706 water-soluble support materials, and grid density type is Heavy。
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 5 DEG C, by 3D printing sample, as passing through in mixed solution, 40KHz ultrasound cleaner vibrator is dynamic to be cleaned, it is ensured that The structure of internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 200r/min, after being soaked for a period of time, is led to Certain air pressure blowout residue is crossed, cleans thoroughly clean 3D printing backing material repeatedly finally by peristaltic pump and do Only.
To the material tests of cleaning, the results showed that, 3D printing sample appearance keeps transparent, and surface cleaning does not influence, Without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process do not influence 3D printing sample appearance, Surface quality and fine structure.
Embodiment 7
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 706 water-soluble support materials of grid sup, and grid density type is Standard。
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 10 DEG C, by 3D printing sample as the dynamic cleaning of 40KHz ultrasound cleaner vibrator is passed through in mixed solution, really The structure for protecting internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 500r/min, after impregnating 24 hours, is passed through The air pressure of 0.6MPa blows out residue, cleans repeatedly finally by peristaltic pump 70 hours, can be thorough by 3D printing backing material Bottom cleans up.
To the material tests of cleaning, the results showed that, 3D printing sample appearance keeps transparent, and surface cleaning does not influence, Without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process do not influence 3D printing sample appearance, Surface quality and fine structure.
Embodiment 8
Using the Objet Connex350 of Stratasys company, equipment making 3D printing sample, moulding material is The transparent photosensitive resin of Vero Clear, backing material are 705 water-soluble support materials of grid sup, and grid density type is Standard。
Bases solvent, silicates solvent, activating agent and water are stirred evenly according to the ratio of weight 2:1:1:96, are made Mixed solvent；At 10 DEG C, by 3D printing sample as the dynamic cleaning of 40KHz ultrasound cleaner vibrator is passed through in mixed solution, really The structure for protecting internal backing material is destroyed.
Then 3D printing sample is placed in the mixed solution that mixing speed is 700r/min, after impregnating 15 hours, is passed through The air pressure of 0.5MPa blows out residue, cleans repeatedly finally by peristaltic pump 72 hours, can be thorough by 3D printing backing material Bottom cleans up.
To the material tests of cleaning, the results showed that, 3D printing sample appearance keeps transparent, and surface cleaning does not influence, Without the remaining water-soluble support materials of discovery in fine structure.Therefore, entire treatment process do not influence 3D printing sample appearance, Surface quality and fine structure.
In addition, being difficult to the material removed for backing material, iterative cycles are ultrasonically treated to after the step of cleaning several times, can Fine and close backing material is dissolved, the cleaned 3D printing model that removal completely can be obtained, material is made.
While repeating the above steps, according to the turbidity of mixed solution, mixed solution is replaced.
In the embodiment of the present invention, ethylenediamine or liquid ammonia is can be selected in basic solvent, and silicates solvent selects sodium metasilicate, living Property agent can be any one of fluorine-containing surfactant, silicon-containing surfactant, boracic surfactant.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims Including belonging to all such changes and modifications in the scope of the invention.

Claims (11)

1. a kind of method for removing 3D printing water-soluble support materials, which comprises the following steps: 3D printing sample is set In mixed solution, ultrasonic treatment；
Vortex is impregnated, and then air pressure blows out residue；
Cleaning, it is dry；
The mixed solution is the mixed solution of bases solvent, silicates solvent, activating agent and water, the bases solvent, institute The mass ratio for stating silicates solvent, the activating agent and the water is 1.5-3:0.8-1.5:0.8-1.5:95-97.
2. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that the activity Agent is one of fluorine-containing surfactant, silicon-containing surfactant, boracic surfactant.
3. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that at the ultrasound The temperature of reason is 0-30 DEG C.
4. the method according to claim 3 for removing 3D printing water-soluble support materials, which is characterized in that at the ultrasound The temperature of reason is 15 DEG C or less.
5. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that at the ultrasound Reason ultrasonic frequency used is 40 ± 2KHz.
6. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that the vortex Are as follows: the vortex formed with mixing speed for 10r/min~1000r/min.
7. the method according to claim 6 for removing 3D printing water-soluble support materials, which is characterized in that the vortex leaching The time of bubble is 15-24h.
8. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that the air pressure Range is 0-1MPa.
9. the method according to claim 1 for removing 3D printing water-soluble support materials, which is characterized in that the cleaning Are as follows: it is cleaned repeatedly using peristaltic pump.
10. the method according to claim 9 for removing 3D printing water-soluble support materials, which is characterized in that the cleaning Time be 60-72h.
11. -10 described in any item methods for removing 3D printing water-soluble support materials according to claim 1, which is characterized in that The ultrasonic treatment to the step of cleaning, is repeated more than once.
CN201810622938.5A 2018-06-15 2018-06-15 A method of removing 3D printing water-soluble support materials Active CN108454112B (en)

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CN103343060A (en) * 2013-07-17 2013-10-09 常熟奥首光电材料有限公司 Sapphire substrate wafer cleaning solution as well as preparation method, application and cleaning method thereof
CN105381984A (en) * 2015-12-11 2016-03-09 华南协同创新研究院 Method for eliminating 3D printing wax type supporting material

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JP2011005668A (en) * 2009-06-23 2011-01-13 Altech Co Ltd Support material removing device

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Publication number Priority date Publication date Assignee Title
CN103343060A (en) * 2013-07-17 2013-10-09 常熟奥首光电材料有限公司 Sapphire substrate wafer cleaning solution as well as preparation method, application and cleaning method thereof
CN105381984A (en) * 2015-12-11 2016-03-09 华南协同创新研究院 Method for eliminating 3D printing wax type supporting material

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