CN105381984A - Method for eliminating 3D printing wax type supporting material - Google Patents
Method for eliminating 3D printing wax type supporting material Download PDFInfo
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- CN105381984A CN105381984A CN201510926406.7A CN201510926406A CN105381984A CN 105381984 A CN105381984 A CN 105381984A CN 201510926406 A CN201510926406 A CN 201510926406A CN 105381984 A CN105381984 A CN 105381984A
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- backing material
- wax
- wax pattern
- organic solvent
- printed sample
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The invention belongs to the technical field of 3D printing and after-treatment and in particular discloses a method for eliminating a 3D printing wax type supporting material. The method comprises the following steps of uniformly stirring an alcohols organic solvent, an alcohols polymer organic solvent and plant oil according to a certain ratio to prepare a mixed organic solvent; and at a certain temperature, placing a 3D printing sample into the mixed organic solvent, soaking, after removing the wax type supporting material, taking out the 3D printing sample, repeatedly washing with water, and drying to obtain a final wax-free 3D printing sample. The method can directly dissolve residual wax in the sample, ensures the basic requirement for completely eliminating a wax type material, has low requirements for environment, low cost and high efficiency, is simple in operation, does not influence the size, the structure, the surface performance and the like of a resin forming material and is suitable for elimination after-treatment processes aiming at the wax type materials in laboratories or factories and in particular for after-treatment links for 3D printing employing the wax type supporting material.
Description
Technical field
The invention belongs to 3D printing technique and post-processing technology field, be specifically related to a kind of method removing 3D printing wax pattern backing material.
Background technology
3D printing technique is by digitizing technique, advanced printing device and material, realize the personalized customization of the accurate models such as many curved surfaces, asymmetric, complex structure, possess that cost is low, the cycle is short, automaticity is high, precision is high, added value advantages of higher, be applied to product development and the parts manufacture of the conglomeraties such as biologic medical, Aero-Space, Videl education, cultural creative, Fashion Design, mold former, toy.The general Making programme of 3D printing technique is: (1) obtains accurate data, by digital computer technology, sets up threedimensional model file; (2) select suitable printing technique, model file is imported 3D printing device; (3) by being successively piled into the mode of shaped material and backing material, the automated production of implementation model; (4) model is carried out post processing, remove backing material, to obtain the product possessing complete structure.
The post processing of removing backing material is the important component part of 3D printing technique and through one of link, must directly affects the size of end product, structure and surface property etc.Using the 3D of organic material to print in technique, backing material often selects the water-soluble or low-melting material easily removed, and for the hollow structure of loaded with dielectric, wherein wax pattern material is one of current most important backing material.The conventional method removing wax pattern backing material is: heat-treat the model that 3D prints, and after wax fusing, further by organic solvent cleaning, removes residual wax to dissolve.The simple edible oil of current employing carries out the method for cleaning, often be difficult to thoroughly remove remaining wax, even residual wax oil mixture in fine structure, cause sample after the drying surface to cover by white wax layer or fine structure is filled by wax mixture, this outward appearance to sample, Structure and Properties all directly will produce harmful effect.
Summary of the invention
Print the shortcoming and defect of post-processing approach for existing 3D, the present invention proposes a kind of method removing 3D printing wax pattern backing material.The method mainly applies a kind of novel organic mixed solvent, at a certain temperature to adopting the 3D printed sample of wax pattern backing material to soak, thoroughly removes residual wax, obtains the final 3D printed sample without wax after dry.The method have low to environmental requirement, simple to operate, preparation easily, cost is low, efficiency is high, do not damage the feature of resin molding material.
The object of the invention is achieved through the following technical solutions:
Remove the method that 3D prints wax pattern backing material, comprise the following steps: alcohol organic solvent, alcohols polymer organic solvent and vegetable oil are stirred according to a certain percentage, obtained organic mixed solvent; At a certain temperature, 3D printed sample is placed in organic mixed solvent and soaks, after removing wax pattern backing material, take out 3D printed sample and wash, after dry, obtain the final 3D printed sample without wax.
Described alcohol organic solvent is the one in ethanol, propyl alcohol, isopropyl alcohol, butanols and isobutanol etc.
Described alcohols polymer organic solvent is the one in polyethylene glycol, polypropylene glycol and polytetramethylene glycol etc.
Described vegetable oil is the one in soybean oil, peanut oil, sesame oil, palm oil, coconut oil and vegetable seed wet goods.
In described organic mixed solvent, the volume ratio of alcohol organic solvent and alcohols polymer organic solvent is 1:1, and the volume of vegetable oil is 0 ~ 100% of organic mixed solvent cumulative volume.
The volume of described vegetable oil is preferably 40 ~ 80% of organic mixed solvent cumulative volume.
The scope of described temperature is 40 ~ 80 DEG C.
Described 3D printed sample is the 3D printed sample adopting wax pattern backing material.
Principle of the present invention is according to the similar rule that mixes, and configures a kind of mixed solvent close in polarity and structure with wax chemical composition.The main chemical compositions of wax is aliphatic acid, lipidol and grease, and the mutual solubility of the alcohols chosen with the present invention, alcohol base polymer and vegetable oil is comparatively large, and therefore under the appropriate temperature conditions, wax backing material can directly be dissolved in mixed solvent.Because the organic principle of wax is many, therefore mixed solvent is obviously better than single solvent to the solvability of wax pattern material.The organic solvent that the preferred toxicity of the present invention is low, stability is high, acquisition is easy, solvability is strong, cheap prepares mixed solvent.
Compared with prior art, the present invention has the following advantages and beneficial effect:
The present invention adopts the organic mixed solvent prepared by alcohol organic solvent, alcohols polymer organic solvent and vegetable oil to soak 3D printed sample, directly can dissolve wax residual in 3D printed sample, guarantee the basic demand of thoroughly removing wax pattern material; The vegetable oil density adopted is low and boiling point is high, and it covers the upper strata of solution, effectively can reduce the volatilization of other solvent, decreasing pollution, keeps the solvability of mixed solvent; The inventive method is low to environmental requirement, simple to operate, cost is low, efficiency is high, and do not damage the size, structure, surface property etc. of resin molding material, be applicable to the removing aftertreatment technology for wax pattern material in laboratory or factory, especially adopt the 3D of wax pattern backing material to print post processing link.
Accompanying drawing explanation
Fig. 1 is the process flow diagram that 3D printed sample removes wax pattern backing material.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
Adopt the Projet5000 equipment making 3D printed sample of 3DSystem company, its moulding material is yellow translucent photosensitive resin, and backing material is 100% wax pattern material.Be the ratio uniform stirring of 1:1:1 by volume by propyl alcohol, polypropylene glycol and soybean oil, prepare organic mixed solvent.At 65 DEG C, 3D printed sample is placed in organic mixed solvent and soaks, after wax pattern backing material dissolves, take out 3D printed sample and repeatedly wash, after dry, obtain final 3D printed sample.
Result shows, 3D printed sample outward appearance keeps yellow translucent, and surface cleaning produces without white wax layer, without finding residual oily wax jelly in its fine structure.Mixed solvent, while dissolving wax pattern backing material, does not affect the outward appearance of 3D printed sample, surface quality, size and fine structure.
Embodiment 2
Adopt the Projet5000 equipment making 3D printed sample of 3DSystem company, its moulding material is yellow translucent photosensitive resin, and backing material is 100% wax pattern material.Be the ratio uniform stirring of 1:1:1 by volume by isopropyl alcohol, polyethylene glycol and soybean oil, prepare organic mixed solvent.At 65 DEG C, 3D printed sample is placed in organic mixed solvent and soaks, after wax pattern backing material dissolves, take out 3D printed sample and repeatedly wash, after dry, obtain final 3D printed sample.
Result shows, 3D printed sample outward appearance keeps yellow translucent, and surface cleaning produces without white wax layer, without finding residual oily wax jelly in its fine structure.Mixed solvent, while dissolving wax pattern backing material, does not affect the outward appearance of 3D printed sample, surface quality, size and fine structure.
Embodiment 3
Adopt the Projet5000 equipment making 3D printed sample of 3DSystem company, its moulding material is yellow translucent photosensitive resin, and backing material is 100% wax pattern material.Be the ratio uniform stirring of 1:1:2 by volume by isopropyl alcohol, polyethylene glycol and peanut oil, prepare organic mixed solvent.At 70 DEG C, 3D printed sample is placed in organic mixed solvent and soaks, after wax pattern backing material dissolves, take out 3D printed sample and repeatedly wash, after dry, obtain final 3D printed sample.
Result shows, 3D printed sample outward appearance keeps yellow translucent, and surface cleaning produces without white wax layer, without finding residual oily wax jelly in its fine structure.Mixed solvent, while dissolving wax pattern backing material, does not affect the outward appearance of 3D printed sample, surface quality, size and fine structure.
Comparative example 1
Adopt the Projet5000 equipment making 3D printed sample of 3DSystem company, its moulding material is yellow translucent photosensitive resin, and backing material is 100% wax pattern material.At 65 DEG C, three groups of 3D printed sample are immersed in isopropyl alcohol, polyethylene glycol and peanut oil respectively, after wax pattern backing material dissolves, take out 3D printed sample and repeatedly wash, after dry, obtain final 3D printed sample.
Result shows, the 3D printed sample outward appearance of isopropyl alcohol and polyethylene glycol process all produces Bai Zhuanhua in various degree, and transparency declines, and organic solvent volatilization in immersion process, produces obvious irritation smell.The 3D printed sample of peanut oil process finds the oily wax jelly remained in gap structure, makes fine pattern become not obvious, affects 3D printed sample fine structure.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. remove the method that 3D prints wax pattern backing material, it is characterized in that, comprise the following steps: alcohol organic solvent, alcohols polymer organic solvent and vegetable oil are stirred according to a certain percentage, obtained organic mixed solvent; At a certain temperature, 3D printed sample is placed in organic mixed solvent and soaks, after removing wax pattern backing material, take out 3D printed sample and wash, after dry, obtain the final 3D printed sample without wax.
2. removing 3D according to claim 1 prints the method for wax pattern backing material, and it is characterized in that, described alcohol organic solvent is the one in ethanol, propyl alcohol, isopropyl alcohol, butanols and isobutanol.
3. removing 3D according to claim 1 prints the method for wax pattern backing material, and it is characterized in that, described alcohols polymer organic solvent is the one in polyethylene glycol, polypropylene glycol and polytetramethylene glycol.
4. removing 3D according to claim 1 prints the method for wax pattern backing material, and it is characterized in that, described vegetable oil is the one in soybean oil, peanut oil, sesame oil, palm oil, coconut oil and rapeseed oil.
5. removing 3D according to claim 1 prints the method for wax pattern backing material, it is characterized in that, in described organic mixed solvent, the volume ratio of alcohol organic solvent and alcohols polymer organic solvent is 1:1, and the volume of vegetable oil is 0 ~ 100% of organic mixed solvent cumulative volume.
6. removing 3D according to claim 5 prints the method for wax pattern backing material, and it is characterized in that, the volume of described vegetable oil is 40 ~ 80% of organic mixed solvent cumulative volume.
7. removing 3D according to claim 1 prints the method for wax pattern backing material, and it is characterized in that, the scope of described temperature is 40 ~ 80 DEG C.
8. removing 3D according to claim 1 prints the method for wax pattern backing material, it is characterized in that, described 3D printed sample is the 3D printed sample adopting wax pattern backing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926406.7A CN105381984B (en) | 2015-12-11 | 2015-12-11 | A kind of method for removing 3D printing wax pattern backing material |
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| CN201510926406.7A CN105381984B (en) | 2015-12-11 | 2015-12-11 | A kind of method for removing 3D printing wax pattern backing material |
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| CN105381984A true CN105381984A (en) | 2016-03-09 |
| CN105381984B CN105381984B (en) | 2018-02-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105617465A (en) * | 2016-04-08 | 2016-06-01 | 深圳市艾科赛龙科技有限公司 | Biological scaffold manufacturing method based on 3D printing and biological scaffold |
| CN108162406A (en) * | 2017-12-25 | 2018-06-15 | 广州形优科技有限公司 | Support removal device and method and model printer |
| CN108454112A (en) * | 2018-06-15 | 2018-08-28 | 北京大学 | A method of removing 3D printing water-soluble support materials |
| CN110744820A (en) * | 2018-07-23 | 2020-02-04 | 西安电子科技大学 | 3D printing-based micro-fluidic chip support material removal method and removal evaluation method |
| CN112808688A (en) * | 2021-01-05 | 2021-05-18 | 上海理工大学 | Method for cleaning small-size pore powder of PEEK material 3D printing product |
| CN110157201B (en) * | 2019-05-28 | 2021-07-06 | 广州市德馨蜡制品有限公司 | Support material and preparation method and application thereof |
| CN113680963A (en) * | 2021-07-20 | 2021-11-23 | 中国科学院金属研究所 | Size control method of 3D printing impeller wax mold for precision casting |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105617465A (en) * | 2016-04-08 | 2016-06-01 | 深圳市艾科赛龙科技有限公司 | Biological scaffold manufacturing method based on 3D printing and biological scaffold |
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| CN108454112B (en) * | 2018-06-15 | 2019-06-21 | 北京大学 | A method of removing 3D printing water-soluble support materials |
| CN110744820A (en) * | 2018-07-23 | 2020-02-04 | 西安电子科技大学 | 3D printing-based micro-fluidic chip support material removal method and removal evaluation method |
| CN110157201B (en) * | 2019-05-28 | 2021-07-06 | 广州市德馨蜡制品有限公司 | Support material and preparation method and application thereof |
| CN112808688A (en) * | 2021-01-05 | 2021-05-18 | 上海理工大学 | Method for cleaning small-size pore powder of PEEK material 3D printing product |
| CN113680963A (en) * | 2021-07-20 | 2021-11-23 | 中国科学院金属研究所 | Size control method of 3D printing impeller wax mold for precision casting |
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| CN105381984B (en) | 2018-02-02 |
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