CN106396620A - Preparation of rapid prototyping black pottery powder material used for 3DP (three-dimensional printing) process - Google Patents
Preparation of rapid prototyping black pottery powder material used for 3DP (three-dimensional printing) process Download PDFInfo
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- CN106396620A CN106396620A CN201610807392.1A CN201610807392A CN106396620A CN 106396620 A CN106396620 A CN 106396620A CN 201610807392 A CN201610807392 A CN 201610807392A CN 106396620 A CN106396620 A CN 106396620A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63424—Polyacrylates; Polymethacrylates
Abstract
The invention discloses a preparation method of a rapid prototyping black pottery powder material used for a 3DP (three-dimensional printing) process. The preparation method is characterized in that firstly, black pottery is prepared into granulation black pottery powder with the particle diameter in a range being 40 to 120 mum; then, 75 to 85 percent of granulation black pottery powder, 4 to 12 percent of polyacrylic ester, 0.5 to 1.5 percent of stearic acid and 0.4 to 1.2 percent of pentaerythritol are added into a grinding machine according to the mass percentage; the grinding machine is started and the rotating speed is 250r/min; the grinding is performed for 40 min; 8 to 16 percent of N,N-dimethylformamide is added; the sum of all ingredients is 100 percent; the rotating speed of the grinding machine is 250r/min; then, the grinding is performed for 20min; drying is performed; the rapid prototyping black pottery powder material for the 3DP process can be obtained; the particle diameter of the rapid prototyping black pottery powder material used for the 3DP process is in a range of 40 to 150 mum. The material can be directly formed in a three-dimensional printing 3D printer; the sphericity degree is high; the flowability is good; the forming precision is high; in addition, the preparation process is simple; the conditions can be easily controlled; the production cost is low; the industrial production is easily realized.
Description
Technical field
The present invention relates to a kind of be used for three dimensional printing（3DP）The preparation method of technique rapid shaping powder body material, belongs to fast
The Material Field of rapid-result type, particularly to a kind of preparation method for 3DP technique rapid shaping black pottery powder body material and shaping.
Background technology
Black pottery, is born in Chinese Neolithic, ancient Han nationality's potting skill, have black as painted, sound such as uses up, thin as a piece of paper,
Bright such as mirror, the hard good reputation as porcelain.Basalt.The Yunnan-Tibet culture of period of late Neolithic, Dawenkou Culture, Longshan literary composition occur
In the ruins such as change, the culture of Qu Jia ridge and Liangzhu Culture.The firing temperature of black pottery reaches 1000 degree about, black pottery have thin mud, shale and
Three kinds of burning into sand, wherein with thin mud thin-walled black pottery production technique highest, has the laudatory title of " black as paint, thin as a piece of paper ".The pottery of this black pottery
Soil through eluriating, make, tyre sidewall thickness only 0.5-1 millimeter by wheel, then through polishing, burn till pitch-dark light, have the title of " egg-shell pottery ", performance
Go out surprising skill, enjoy great prestige at home and abroad.The black pottery of this period with vegetarian noodles polish most, less with decorative pattern, have raised line design, designated pattern,
Engrave hole etc. several., using wheel system, device shape is perfectly round carefully and neatly done, beautiful design, and decoration is exquisite, has the skill of " black, thin, light, knob " for black pottery
Art feature.
Manufacture craft, soil take out after through drying, after make moulded pottery not yet put in a kiln to bake with filtered through gauze, after hand throwing moulding, use
Shell press polish repeatedly, until greenwave superficial density increases, smooth and bright like a mirror.Again line engraving, low relief, depth are used with special engraving tool
The skill and technique such as carving, hollow out, hand engraving goes out the pattern of gorgeous mystery.Then give the accessory such as black pottery works mounting ear, ring, nose, leg.System
Make complex process, waste time and energy.It is time saving and energy saving to be molded using 3D printing, the advantages of the high precision of product.
3D printing is to be the technology of three-dimensional objects by modelling and printing device material successively accumulation molding, also known as
Make increasing material manufacturing.Many forward positions such as digital modeling, Electromechanical Control, information technology, material science and chemistry neck has been merged in 3D printing
Domain, is one of the core technology of " the third time industrial revolution ".3D printing technique is in Aero-Space, biological medicine, building, technique
The fields such as product manufacture are progressively widened, and the advantage such as it is convenient and swift, raising stock utilization constantly manifests, and constantly promotes conventionally manufactured
The transition and upgrade of industry.
3D printing material is the material base of 3D printing, decides the wide usage of 3D printing, is also restricting current 3D printing
The bottleneck of development.The species of 3D printing material is from initial macromolecular material（ABS, PLA, PC, PVC, photosensitive resin）Expand
To metal（Various alloys, are applied to the high-end fields such as Aero-Space, medical treatment）, pottery（Various Inorganic Non-metallic Materials）Deng.Root
According to forming principle, 3D printing material is defined as powder shaped, thread, lamellar, liquid, the different 3D of the adaptation of each of which
Printing type.3D printing powder body material is suitable for three-dimensional printing art（3DP）And selective laser sintering（SLS）, at present with regard to 3D
The preparation method of printing powder body material also has relevant report, and Chinese patent 201510125390X discloses a kind of 3D printing dioxy
Change the preparation method of the body formed material of zirconium powder；Chinese patent 2015101260246 discloses a kind of 3D printing rapid shaping zirconium aluminium
The preparation of ceramic powder material, due to Inorganic Non-metallic Materials, to have high intensity, high rigidity, high temperature resistant, low-density, chemistry steady
The qualitative excellent specific property such as good, corrosion-resistant, is widely used in industries such as Aero-Space, automobile, biologies, it is in 3D printing field
Demand can rapidly increase, therefore, selective laser sintering 3D printing inorganic non-metallic powder body material is realized commercialization and is had
Particularly significant meaning and wide market.
Three dimensional printing（3DP）Technique, it is simply that the 3D printing of today, is Massachusetts Institute Technology Emanual Sachs etc.
People develops.E.M.Sachs applied for 3DP in 1989（Three-Dimensional Printing）Patent, this patent is
One of core patent of non-shaped material droplet reaction-injection moulding category.3DP technique is similar with SLS technique, is become using dusty material
Shape, such as ceramic powders, metal dust.Except that what material powder coupled together not by sintering, but pass through shower nozzle
Use bonding agent（As silica gel）By section " printing " of part on material powder.Part strength with bonding agent bonding is relatively low, also
Must post processing.Specific embodiment is as follows：After last layer bonding finishes, moulding cylinder declines a distance（Equal to thickness：0.013
～0.1mm）, rise a height for powder cylinder, if releasing dry powder, and moulding cylinder being shifted onto by powder-laying roller, paving and being compacted.Shower nozzle
Under the control of the computer, by the formed data of next construction section, selectively jet binder builds aspect.Powder-laying roller powdering
The powder of Shi Duoyu is collected by powder collection device.So powder feeding again and again, powdering and jet binder, are finally completed one three
The bonding of dimension powder.After the place of not injected binding agent is dry powder, plays a supportive role in forming process, and shaping terminates,
It is easier to remove.But this moulding process also has certain limitation, the consumption of adhesive is big, bad control, and adhesive holds
Easily blocking shower nozzle.
The present invention by granulating to black pottery powder body material, by high molecular adhesive coating to granulation black pottery powder material
Material surface, after the coating obtaining, black pottery powder body material can directly adopt 3DP to be molded.Spray paste is not needed to glue in forming process
Agent is it is only necessary to spray a small amount of solvent.Advantage is that adhesive consumption greatly reduces, and reduces environment during subsequent calcination
Pollution, the quality of product is high.The powder body material uniform particle sizes of the technique preparation of the application, sphericity is high, and good fluidity is suitable for
3DP technique 3D printing is molded.Additionally, the method that this patent provides is simple, low cost.
Content of the invention
The mesh of the present invention is to provide a kind of preparation method for 3DP technique rapid shaping black pottery powder body material, rapid-result soon
Type powder can Direct Three-dimensional printing rapid shaping in sprinkling solvent；
The purpose of the present invention is achieved through the following technical solutions.
A kind of preparation method for 3DP technique rapid shaping black pottery powder body material it is characterised in that the method have with
Lower processing step：
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, add by mass percentage, water：52% ~ 60%, polyvinyl alcohol：0.5%~
1.5%, soluble starch：0.5% ~ 1.5%, heating for dissolving, after cooling, triethyl citrate：0.1% ~ 1.0%, stirring and dissolving, then
Add pretreatment black pottery potter's clay：38% ~ 45%, that each group is divided and for absolutely, strong stirring, reaction 120 ~ 150min, then
It is spray-dried, obtain granulating black pottery powder, its particle diameter is in the range of 40 ~ 120 m；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, add by mass percentage, granulation
Black pottery powder：75% ~ 85%, polyacrylate：4% ~ 12%, stearic acid：0.5% ~ 1.5%, pentaerythrite：0.4% ~ 1.2%, unlatching is ground
Mill speed, at 250 revs/min, grinds 40min, DMF：8% ~ 16%, that each group is divided and for absolutely,
Grinder rotating speed is at 250 revs/min, then grinds 20min, is dried, obtains for 3DP technique rapid shaping black pottery powder body material,
In the range of the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material is 40 ~ 150 μm.
In step（2）Described in spray drying, intake air temperature controls at 95 DEG C, and air outlet temperature controls at 90 DEG C,
Air intake flow 210m3/h.
In step（2）Described in polyvinyl alcohol and soluble starch mass ratio 1：Optimum between 0.8 ~ 1.2.
In step（3）Described in granulation black pottery powder and polyacrylate mass ratio 1：Between 0.08 ~ 0.12
Excellent.
In step（3）Described in polyacrylate and pentaerythrite mass ratio 1：Optimum between 0.1 ~ 0.15.
Particle size test method of the present invention is the granularity equivalent diameter size being recorded using laser particle analyzer.
It is a further object of the present invention to provide being molded on 3D printer for 3DP technique rapid shaping black pottery powder body material
Application, feature is：3DP technique rapid shaping black pottery powder body material will be used for be added to for, in powder cylinder, loading solvent in shower nozzle
N,N-dimethylformamide.Specific embodiment is as follows：Shower nozzle sprays N,N-dimethylformamide in rapid-result soon for 3DP technique
On type black pottery powder body material, the adhesive dissolving of material surface makes it bond, and after last layer bonding finishes, moulding cylinder declines one
Distance（Equal to thickness：0.010～0.1mm）, rising a height for powder cylinder, if releasing dry powder, and shaping being shifted onto by powder-laying roller
Cylinder, paves and is compacted.Shower nozzle under the control of the computer, by formed data selectively ejection of solvent N of next construction section,
Dinethylformamide builds aspect.During powder-laying roller powdering, unnecessary powder is collected by powder collection device.So send again and again
Powder, powdering and injection DMF, are finally completed the bonding of a three-dimensional powder.Not injected N, N- dimethyl methyl
After the place of acid amides is dry powder, plays a supportive role in forming process, and shaping terminates, it is easier to remove.
The present invention compared with the prior art, has the advantage that and beneficial effect：
（1）The present invention obtain for 3DP technique rapid shaping black pottery powder body material it is not necessary to spray binding agent, shower nozzle only sprays
Spill solvent can straight forming, so that adhesive consumption is substantially reduced, the quality improving product is high, prevent shower nozzle from blocking simultaneously.
（2）The present invention obtain the present invention obtain for 3DP technique rapid shaping black pottery powder body material, the particle diameter of particle
Uniformly, sphericity is high, good fluidity, suitable 3DP technique 3D printing shaping；Can be manufactured thin by this rapid shaping powder material
Wall model or small parts and handicraft, produce product and have the features such as surface gloss height, high precision.
（3）The present invention obtain the present invention obtain for 3DP technique rapid shaping black pottery powder body material, there is preparation work
Skill is simple, and condition is easily controllable, and low production cost, it is easy to industrialized production, has the advantages such as low-carbon environment-friendly and energy saving again.
Specific embodiment
Embodiment 1
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, it is separately added into, water：5.5L, polyvinyl alcohol：100g, soluble starch：
50g, heating for dissolving, after cooling, triethyl citrate：50g, stirring and dissolving, add pretreatment black pottery potter's clay：4200g, strongly
Stirring, reaction 130min, stirring and dissolving, then it is spray-dried, obtain granulating black pottery powder, its particle diameter is in 40 ~ 120 m scopes
Interior；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, it is separately added into, granulate black pottery powder
Body：80g, polyacrylate：8g, stearic acid：0.5g, pentaerythrite：0.5g, opens grinder rotating speed at 250 revs/min, grinds
Mill 40min, DMF：12mL, grinder rotating speed is at 250 revs/min, then grinds 20min, is dried, is used
In 3DP technique rapid shaping black pottery powder body material, the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material is
In the range of 40 ~ 150 μm.
Embodiment 2
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, it is separately added into, water：5L, polyvinyl alcohol：40g, soluble starch：
20g, heating for dissolving, after cooling, triethyl citrate：10g, stirring and dissolving, add pretreatment black pottery potter's clay：4500g, strongly
Stirring, reaction 140min, stirring and dissolving, then it is spray-dried, obtain granulating black pottery powder, its particle diameter is in 40 ~ 120 m scopes
Interior；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, it is separately added into, granulate black pottery powder
Body：850g, polyacrylate：40g, stearic acid：10g, pentaerythrite：10g, opens grinder rotating speed at 250 revs/min, grinds
Mill 40min, DMF：100mL, grinder rotating speed is at 250 revs/min, then grinds 20min, is dried, is used
In 3DP technique rapid shaping black pottery powder body material, the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material is
In the range of 40 ~ 150 μm.
Embodiment 3
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, it is separately added into, water：6L, polyvinyl alcohol：50g, soluble starch：
10g, heating for dissolving, after cooling, triethyl citrate：20g, stirring and dissolving, add pretreatment black pottery potter's clay：4000g, strongly
Stirring, reaction 130min, stirring and dissolving, then it is spray-dried, obtain granulating black pottery powder, its particle diameter is in 40 ~ 120 m scopes
Interior；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, it is separately added into, granulate black pottery powder
Body：150g, polyacrylate：20g, stearic acid：1.5g, pentaerythrite：1.0g, opens grinder rotating speed at 250 revs/min,
Grind 40min, DMF：25mL, grinder rotating speed is at 250 revs/min, then grinds 20min, is dried, obtains
For 3DP technique rapid shaping black pottery powder body material, the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material
In the range of 40 ~ 150 μm.
Embodiment 4
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, it is separately added into, water：52L, polyvinyl alcohol：800g, soluble starch：
500g, heating for dissolving, after cooling, triethyl citrate：300g, stirring and dissolving, add pretreatment black pottery potter's clay：48000g,
Strong stirring, reaction 130min, stirring and dissolving, then it is spray-dried, obtain granulating black pottery powder, its particle diameter is in 40 ~ 120 m models
In enclosing；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, it is separately added into, granulate black pottery powder
Body：820g, polyacrylate：60g, stearic acid：14g, pentaerythrite：6g, opens grinder rotating speed at 250 revs/min, grinds
40min, DMF：120mL, grinder rotating speed is at 250 revs/min, then grinds 20min, be dried, obtain for
3DP technique rapid shaping black pottery powder body material, the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material is 40
In the range of ~ 150 μm.
Using method：3DP technique rapid shaping black pottery powder body material will be used for and be added to molded through three-dimensional printing 3D printer
Confession powder cylinder in, in shower nozzle add DMF.Specific embodiment is as follows：From shower nozzle ejection of solvent N, N- diformazan
Base formamide, the adhesive dissolving of powder body material surface makes powder adhesion together, after last layer bonding finishes, moulding cylinder
Decline a distance（Equal to thickness：0.010～0.1mm）, rise a height for powder cylinder, if releasing dry powder, and by powder-laying roller
Shift moulding cylinder onto, pave and be compacted.Shower nozzle under the control of the computer, is selectively sprayed by the formed data of next construction section
Penetrate solvent N,N-dimethylformamide construction aspect.During powder-laying roller powdering, unnecessary powder is collected by powder collection device.So week and
Renew ground powder feeding, powdering and injection DMF, be finally completed the bonding of a three-dimensional powder.Not injected N, N-
After the place of dimethylformamide is dry powder, plays a supportive role in forming process, and shaping terminates, it is easier to remove.
Claims (5)
1. a kind of preparation method for 3DP technique rapid shaping black pottery powder body material it is characterised in that the method have following
Processing step：
（1）Black pottery potter's clay pre-processes：Black pottery potter's clay is dried, grinds, sieve, size controlling, in 0.5 ~ 10 μ m, obtains
Pretreatment black pottery potter's clay；
（2）Granulation black pottery powder preparation：In the reactor, add by mass percentage, water：52% ~ 60%, polyvinyl alcohol：0.5%~
1.5%, soluble starch：0.5% ~ 1.5%, heating for dissolving, after cooling, triethyl citrate：0.1% ~ 1.0%, stirring and dissolving, then
Add pretreatment black pottery potter's clay：38% ~ 45%, that each group is divided and for absolutely, strong stirring, reaction 120 ~ 150min, then
It is spray-dried, obtain granulating black pottery powder, its particle diameter is in the range of 40 ~ 120 m；
（3）Preparation for 3DP technique rapid shaping black pottery powder body material：In grinder, add by mass percentage, granulation
Black pottery powder：75% ~ 85%, polyacrylate：4% ~ 12%, stearic acid：0.5% ~ 1.5%, pentaerythrite：0.4% ~ 1.2%, unlatching is ground
Mill speed, at 250 revs/min, grinds 40min, DMF：8% ~ 16%, that each group is divided and for absolutely,
Grinder rotating speed is at 250 revs/min, then grinds 20min, is dried, obtains for 3DP technique rapid shaping black pottery powder body material,
In the range of the obtained particle diameter for 3DP technique rapid shaping black pottery powder body material is 40 ~ 150 μm.
2. a kind of preparation method for 3DP technique rapid shaping black pottery powder body material according to claim 1, its feature
It is, step（2）Described in spray drying, intake air temperature controls at 95 DEG C, and air outlet temperature controls at 90 DEG C, air intake
Amount 210m3/h.
3. a kind of preparation method for 3DP technique rapid shaping black pottery powder body material according to claim 1, its feature
It is, step（2）Described in polyvinyl alcohol and soluble starch mass ratio 1：Optimum between 0.8 ~ 1.2
A kind of preparation method for 3DP technique rapid shaping black pottery powder body material according to claim 1, its feature exists
In step（3）Described in granulation black pottery powder and polyacrylate mass ratio 1：Optimum between 0.08 ~ 0.12.
4. a kind of preparation method for 3DP technique rapid shaping black pottery powder body material according to claim 1, its feature
It is, step（3）Described in polyacrylate and pentaerythrite mass ratio 1：Optimum between 0.1 ~ 0.15.
5. prepared by a kind of preparation method for 3DP technique rapid shaping black pottery powder body material according to claim 1
Rapid shaping black pottery powder body material it is characterised in that described rapid shaping black pottery powder body material is in three dimensional printing printer
During upper 3D condition of molding, from shower nozzle ejection of solvent DMF.
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Cited By (5)
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| CN108358611A (en) * | 2018-03-06 | 2018-08-03 | 济南大学 | Preparation of BeO composite ceramic powder for three-dimensional printing forming process |
| CN108484110A (en) * | 2018-06-25 | 2018-09-04 | 福州大学 | A kind of formula for ceramic 3D printing pug |
| CN109485381A (en) * | 2018-01-15 | 2019-03-19 | 杭州创屹机电科技有限公司 | The method that a kind of ceramic slurry of high fluidity and 3D printing prepare ceramic mold |
| CN109485395A (en) * | 2018-01-15 | 2019-03-19 | 杭州创屹机电科技有限公司 | A kind of method of 3D printing high-strength ceramic mold |
| CN111892408A (en) * | 2020-07-24 | 2020-11-06 | 山东工业陶瓷研究设计院有限公司 | Silicon nitride ceramic powder suitable for 3DP forming process and treatment method |
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| CN104310948A (en) * | 2014-09-10 | 2015-01-28 | 济南大学 | Preparation method of three dimensional printing rapid forming inorganic powder material |
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| CN105665697A (en) * | 2016-03-11 | 2016-06-15 | 中山大学惠州研究院 | Metal or ceramic consumable item for FDM 3D printing, preparation method for metal or ceramic consumable item and finished product printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109485381A (en) * | 2018-01-15 | 2019-03-19 | 杭州创屹机电科技有限公司 | The method that a kind of ceramic slurry of high fluidity and 3D printing prepare ceramic mold |
| CN109485395A (en) * | 2018-01-15 | 2019-03-19 | 杭州创屹机电科技有限公司 | A kind of method of 3D printing high-strength ceramic mold |
| CN108358611A (en) * | 2018-03-06 | 2018-08-03 | 济南大学 | Preparation of BeO composite ceramic powder for three-dimensional printing forming process |
| CN108484110A (en) * | 2018-06-25 | 2018-09-04 | 福州大学 | A kind of formula for ceramic 3D printing pug |
| CN111892408A (en) * | 2020-07-24 | 2020-11-06 | 山东工业陶瓷研究设计院有限公司 | Silicon nitride ceramic powder suitable for 3DP forming process and treatment method |
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