CN105802257A - 3D-printed molding resin for investment casting - Google Patents
3D-printed molding resin for investment casting Download PDFInfo
- Publication number
- CN105802257A CN105802257A CN201610264625.8A CN201610264625A CN105802257A CN 105802257 A CN105802257 A CN 105802257A CN 201610264625 A CN201610264625 A CN 201610264625A CN 105802257 A CN105802257 A CN 105802257A
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- China
- Prior art keywords
- parts
- resin
- white carbon
- polyethylene
- colophonium
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a resin material which can be applied to precision casting and 3D printed and relates to 3D-printed molding resin for investment casting. The 3D-printed molding resin is prepared from the following ingredients in parts by weight: 10-30 parts of rosin, 30-50 parts of paraffin, 3-5 parts of Chinese insect wax, 5 parts of earth wax, 3-5 parts of polyethylene, 2-3 parts of superfine white carbon black and 1-2 parts of stearic acid; and the 3D-printed molding resin is compounded through certain processing techniques. By adding chemical raw materials with different effect, the resin material can meet the characteristics that a 3D-printed raw material is good in flowing performance, can be laid and solidified quickly and is small in thermal transformation. Furthermore, the resin materials can meet the requirement of investment casting. The resin material can be applied to 3D printing of a wax mould and serves as a material of following integral industrial design molding of investment casting.
Description
Technical field
The present invention relates to 3D to print and model casting field, particularly relate to 3D and print the resin-based materials field with model casting；The invention still further relates to a kind of processing technique preparing this resin-based materials.
Background technology
3D printing is the verification method of a kind of industrial quick design molding, and it is by mathematical model file, adopts the method that multilamellar 2 dimension piles up molding to carry out a kind of technology of tectonic sieving entity.3D printing technique is mainly used in the unshaped Product Validation of industrial design, and based on 3D printing technique Quick formed part, design engineer can judge that can their design workpiece meet design requirement, and design defect is revised targetedly.In the prior art, 3D prints conventional material is two kinds of plastic materials of ABS and PLA.The characteristics such as the intensity of both file printings product out, thermostability and quality are often difficult to meet the demand of many high-end designs.Such as automobile making, the aspect such as Aero-Space.Although it addition, metal current 3D prints the demand that can ensure that higher-end businesses, but printing cost and costly, universal design field generally cannot pay so high printing expense.Such contradiction present situation constrains the 3D popular development printed greatly.
Rapid shaping foundry engieering is one of manufacturing technology of currently developing rapidly, and lost-wax process is also a kind of method of rapid shaping casting, is also called model casting in modern hot investment casting industry.Its concrete grammar is to adopt wax resin Preparation to become mold, is coated with the Modeling Material of one layer of resistance to thermal extremes on its top layer.After global formation, inside wax tree fat is melted outflow by outer layer coat solidifying and setting heating, form model cavity.Last pouring liquid metal in cavity, after natural cooling molding, removes shell, just can obtain metal forming part.The present invention proposes one and is not only suitable for wax-pattern 3D printing, may be used for again the resin-based materials of model casting.Compared with traditional material, this material can meet the 3D material low melting point requirement printed, three-dimensional accumulation good fluidity, heat distortion amount is low, the materials such as the high requirement of Forming Quality, can meet again in full form casting process, high quartz sand are good at its surface adhesion, mistake wax is complete, the advantage such as noresidue in die cavity.What adopt is solid resin, and relative liquid resin has better plasticity in 3D printing shaping process.The preparation of this material is simple simultaneously, can prepare in batches, be greatly accelerated quick shaping process, solve the drawback that metal 3D molding price is high.This wax-pattern manufacturing process there is not yet relevant report at home.
It is an object of the invention to provide one and can print field use at wax spray 3D, shaping speed is fast, and mobility, plasticity are good, can meet again the solid state wax resin material of full form casting process requirement.And adopt 3D to print the personalized wax-pattern of customization and easier than the preparation of the wax-pattern of current lost-wax process by the method for model casting metal forming, fast.Meanwhile, the present invention also proposes a kind of preparation technology preparing this resin material.
Technical scheme is as follows:
A kind of preparation for the 3D printing shaping resin of model casting includes two big system compositions, respectively resin basic mode material composition, and filler mould material composition.
Resin basic mode material (mass fraction):
30 ~ 50 parts of paraffin；
Cera Chinensis 3 ~ 5 parts；
0 ~ 5 part of ceresine.
Filler mould material (mass fraction):
Colophonium 10 ~ 30 parts；
Polyethylene 3 ~ 5 parts；
Superfine white carbon black 2 ~ 3 parts；
Stearic acid 1 ~ 2 part.
Described paraffin is the mass fraction n-alkane be more than or equal to 98%, wherein comprises the impurity such as a small amount of cycloalkane, aromatic hydrocarbon, sulfur, ferrum, nitrogen.
Described Cera Chinensis is the mass fraction alkyl acid be more than or equal to 90%, including three a small amount of square cards for learning characters from acid, three square cards for learning characters from alcohol, hydrocarbon compound, resin etc..
Described superfine white carbon black is the granularity silicate aluminum less than or equal to 20nm and calcium silicates.
3D printing shaping resin for model casting of the present invention all can be able to be applied in wax spray 3D printing field and model casting field.
What described wax spray 3D printing device mainly adopted is resistance-type heating printing head, and uses in conjunction with the resin complete in the present invention.
The present invention is compared with prior art, have the advantage that and different: of the present invention for room temperature solid resin, heated post liquefaction is sprayed cooling curing molding by 3D printing nozzle, and the printing wax material of exhausted big described wax spray printer is room temperature liquid wax in the market, curing molding after light radiation.Such as disclosing a kind of 3D printing solidification wax material as publication number CN104109328 is exactly a kind of photocuring wax material.It is excessively strong that this material has mobility relative to the wax tree fat of the present invention, and printing shaping is unstable, and after 3D printing shaping, rigidity is too low, deforms the unfavorable factors such as big.Meanwhile, the present invention is also that one can be used for 3D printing field, can be used for again the resin material of model casting.
Detailed description of the invention
Further illustrate the present invention by following case study on implementation, but do not limit the present invention in following case study on implementation.
Embodiment 1
By 38 parts of paraffin, 4.3 parts of Cera Chinensises, 3.7 parts of ceresine are standby after stirring 10 minutes in 60 DEG C of constant temperature blenders, subsequently by 23 parts of Colophonium, 4.6 parts of polyethylene, 2.7 parts of superfine white carbon blacks, 1.1 parts of stearic acid, and the hydrogen peroxide of 0.1%, at room temperature mix homogeneously, put in standby wax, in vacuum lower than in the environment of 100Pa, starvation, is warming up to 70 DEG C and stirs evenly cooling after rear heat-insulation pressure keeping 20min and take out.
Embodiment 2
By 44 parts of paraffin, 3.9 parts of Cera Chinensises, 2.8 parts of ceresine are standby after stirring 10 minutes in 60 DEG C of constant temperature blenders, subsequently by 18 parts of Colophonium, 3.2 parts of polyethylene, 2.6 parts of superfine white carbon blacks, 1.3 parts of stearic acid, and the hydrogen peroxide of 0.1%, at room temperature mix homogeneously, put in standby wax, in vacuum lower than in the environment of 100Pa, starvation, is warming up to 70 DEG C and stirs evenly cooling after rear heat-insulation pressure keeping 20min and take out.
Embodiment 3
By 48 parts of paraffin, 3 parts of Cera Chinensises, 4.6 parts of ceresine are standby after stirring 10 minutes in 60 DEG C of constant temperature blenders, subsequently by 30 parts of Colophonium, 5 parts of polyethylene, 2.4 parts of superfine white carbon blacks, 1.4 parts of stearic acid, and the hydrogen peroxide of 0.1%, at room temperature mix homogeneously, put in standby wax, in vacuum lower than in the environment of 100Pa, starvation, is warming up to 70 DEG C and stirs evenly cooling after rear heat-insulation pressure keeping 20min and take out.
Embodiment 4
By 50 parts of paraffin, 3.2 parts of Cera Chinensises, 5 parts of ceresine are standby after stirring 10 minutes in 60 DEG C of constant temperature blenders, subsequently by 12 parts of Colophonium, 3.8 parts of polyethylene, 3 parts of superfine white carbon blacks, 1.7 parts of stearic acid, and the hydrogen peroxide of 0.1%, at room temperature mix homogeneously, put in standby wax, in vacuum lower than in the environment of 100Pa, starvation, is warming up to 70 DEG C and stirs evenly cooling after rear heat-insulation pressure keeping 20min and take out.
Embodiment 5
By 50 parts of paraffin, 3.2 parts of Cera Chinensises, 5 parts of ceresine are standby after stirring 10 minutes in 60 DEG C of constant temperature blenders, subsequently by 12 parts of Colophonium, 4.1 parts of polyethylene, 2.2 parts of superfine white carbon blacks, 1.9 parts of stearic acid, and the hydrogen peroxide of 0.1%, at room temperature mix homogeneously, put in standby wax, in vacuum lower than in the environment of 100Pa, starvation, is warming up to 70 DEG C and stirs evenly cooling after rear heat-insulation pressure keeping 20min and take out.
Comparative example 1
Common middle temperature wax tree fat solidified sample 1(mass fraction): Colophonium 81, ceresine 14.3, EVA3.1.
Comparative example 2
Common middle temperature wax tree fat solidified sample 2(mass fraction): newtrex 17, improves Colophonium 40, paraffin 30, lignite wax 10.
Note: Experiments of Machanics and printing room temperature all carry out at 30 DEG C.
Test result according to table 1 draws, above case study on implementation all has more excellent tensile strength, viscosity and solidification rate compared with comparative example, also has less heat distortion amount simultaneously.Consider that case study on implementation prints the application in field, the product best performance without at high temperature melting, according to above-mentioned performance, in case study on implementation 4 at 3D.
In sum, cerul resin material provided by the invention has the plasticity of excellence and the property prepared, environmentally safe, the advantage such as widely applicable.It can print field, model casting field wide popularization and application at wax spray 3D.Can personalize and print 3D wax-pattern, and be applicable to hot investment casting metal forming field.Compared with traditional molding procedure, not only technique is simple, has more saved the casting time, can produce manufacture in batches simultaneously, save preparation cost.
Accompanying drawing illustrates:
Fig. 1 is the wax-pattern model schematic that the cerul resin described according to embodiment 4 in the present invention prints；
Fig. 2 is the wax-pattern schematic diagram after printing shaping, and the metal exemplar figure of model casting.
Claims (9)
1. being applied to 3D and print a wax-pattern and the resin material of model casting integrated molding, its feature specifically includes that described cerul resin is made up of two big systems, is resin basic mode material composition respectively, and filler mould material composition is constituted:
Resin basic mode material (mass fraction):
30 ~ 50 parts of paraffin；
Cera Chinensis 3 ~ 5 parts；
0 ~ 5 part of ceresine.
Filler mould material (mass fraction):
Colophonium 10 ~ 30 parts；
Polyethylene 3 ~ 5 parts；
Superfine white carbon black 2 ~ 3 parts；
Stearic acid 1 ~ 2 part.
2. resin material according to claim 1, it is characterised in that: the resin basic mode material in described resin material is one of following or more than two of which mixture: the paraffin of purity 98%, purity 95% Cera Chinensis, purity 95% ceresine.
3. resin basic mode material according to claim 2, it is characterised in that described resin basic mode material is made up of following weight proportion component:
(1) 3.7 parts of 4.3 parts+ceresine of 38 parts+Cera Chinensis of paraffin
(2) 2.8 parts of 3.9 parts+ceresine of 44 parts+Cera Chinensis of paraffin
(3) 4.6 parts of 3 parts+ceresine of 48 parts+Cera Chinensis of paraffin
(4) 5 parts of 3.2 parts+ceresine of 50 parts+Cera Chinensis of paraffin.
4. filler mould material according to claim 1, it is characterized in that: the filler mould material in described resin material is one of following or more than two of which mixture: purity 95% Colophonium, purity 99% polyethylene, purity 99% superfine white carbon black, purity 98% stearic acid.
5. filler mould material according to claim 4, it is characterised in that described filler mould material is made up of following weight proportion component:
(1) 3 parts+stearic acid of 3.8 parts+superfine white carbon black of 12 parts+polyethylene of Colophonium 1.7 parts
(2) 2.6 parts+stearic acid of 3.2 parts+superfine white carbon black of 18 parts+polyethylene of Colophonium 1.3 parts
(3) 2.2 parts+stearic acid of 4.1 parts+superfine white carbon black of 26 parts+polyethylene of Colophonium 1.9 parts
(4) 2.7 parts+stearic acid of 4.6 parts+superfine white carbon black of 23 parts+polyethylene of Colophonium 1.1 parts
(5) 2.4 parts+stearic acid of 5 parts+superfine white carbon black of 30 parts+polyethylene of Colophonium 1.4 parts.
6. the synthetic method of the resin material according to right 1 is according in resin basic mode material according to claim 3, and a mixing machinery in filler mould material according to claim 5 is processed into.
7. the resin material according to right 1, it is characterised in that: it is organic peroxide that described glue connects agent.
8. the resin material according to right 1, it is characterised in that: described thermal deformation resistant additive is white carbon.
9. the processing method of the resin material according to right 6 comprises the steps:
(1) the resin basic mode material proportioning component described in claim 1, mixing and stirring in 60 DEG C of environment；
(2) the filler mould material proportioning component described in claim 1, at normal temperatures, mix homogeneously；
(3) by (1) and (2) of mix homogeneously in vacuum lower than 100Pa, ambient temperature is that in the hermetic container of 70 DEG C after stirring 10min, continuing to add mass fraction is the organic peroxide of 0.1%, and continues stirring 20min.
(4) keep cavity vacuum constant, closing temperature heater, after being cooled to room temperature, close vacuum pump, take out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264625.8A CN105802257A (en) | 2016-04-26 | 2016-04-26 | 3D-printed molding resin for investment casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264625.8A CN105802257A (en) | 2016-04-26 | 2016-04-26 | 3D-printed molding resin for investment casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105802257A true CN105802257A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264625.8A Pending CN105802257A (en) | 2016-04-26 | 2016-04-26 | 3D-printed molding resin for investment casting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366672A (en) * | 2016-08-31 | 2017-02-01 | 浙江闪铸三维科技有限公司 | Material for manufacturing three dimensional object using 3D printing technology and preparation method thereof |
| CN106751934A (en) * | 2016-11-18 | 2017-05-31 | 南京倍立达新材料系统工程股份有限公司 | A kind of large volume 3D printing modified paraffin material and preparation method thereof |
| CN107915898A (en) * | 2017-10-30 | 2018-04-17 | 惠州市优恒科三维材料有限公司 | Cross-linking, print speed is soon, printing fineness is high, can be used for casting at the same time and the 3D printing of model is molded wax and preparation method thereof |
| CN108192360A (en) * | 2017-12-29 | 2018-06-22 | 广州市德隆化工贸易有限公司 | A kind of dental selective laser sintering 3D printing wax powder and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366672A (en) * | 2016-08-31 | 2017-02-01 | 浙江闪铸三维科技有限公司 | Material for manufacturing three dimensional object using 3D printing technology and preparation method thereof |
| CN106751934A (en) * | 2016-11-18 | 2017-05-31 | 南京倍立达新材料系统工程股份有限公司 | A kind of large volume 3D printing modified paraffin material and preparation method thereof |
| CN107915898A (en) * | 2017-10-30 | 2018-04-17 | 惠州市优恒科三维材料有限公司 | Cross-linking, print speed is soon, printing fineness is high, can be used for casting at the same time and the 3D printing of model is molded wax and preparation method thereof |
| CN108192360A (en) * | 2017-12-29 | 2018-06-22 | 广州市德隆化工贸易有限公司 | A kind of dental selective laser sintering 3D printing wax powder and preparation method thereof |
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Effective date of registration: 20190516 Address after: 330000 No. 108 Shangfang Road, Nanchang City, Jiangxi Province Applicant after: Institute of Applied Physics, Jiangxi Academy of Sciences Address before: 330001 Shangfang Road, Qingshan Lake District, Nanchang City, Jiangxi Province, 382 Applicant before: Fu Yuan |
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Application publication date: 20160727 |