CN103341629B - There is the 3D Method of printing of hollow structure workpiece for processing - Google Patents
There is the 3D Method of printing of hollow structure workpiece for processing Download PDFInfo
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- CN103341629B CN103341629B CN201310254406.8A CN201310254406A CN103341629B CN 103341629 B CN103341629 B CN 103341629B CN 201310254406 A CN201310254406 A CN 201310254406A CN 103341629 B CN103341629 B CN 103341629B
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Abstract
For processing, there is the 3D Method of printing of hollow structure workpiece, comprise the steps: A, choose different two kind 3D printing consumables, material a and material b, material a and material b and be powder, the wherein fusing point of the material a fusing point higher than material b；B, utilize the file printing workpiece that above-mentioned two kind are different, wherein material a is for the entity part of superposition shaping workpiece, material b divides for the inside of superposition shaping workpiece, in print procedure, reserve an opening on the surface of the entity part of workpiece, this opening is divided the surface being through to outer workpiece profile by the inside of workpiece；C, the workpiece completing above-mentioned printing heat up so that it is temperature is between the fusing point and the fusing point of material b of material a, and the inside fractional melting of the workpiece of material b superposition molding becomes liquid and flowed out by opening, makes workpiece.The method of the present invention has the workpiece of hollow structure for processing so that 3D printing technique can be applied to the processing of more complex part.
Description
Technical field
The present invention relates to a kind of 3D Method of printing, be specifically related to a kind of 3D Method of printing for processing with hollow structure workpiece.
Background technology
3D printing technique is a kind of brand-new product rapid shaping technique, and it is based on mathematical model file, applying powder powder can jointing material method of constructed object by the way of successively printing.
Existing 3D Method of printing is all to make Workpiece shaping with the technique of successively superposition, the mode of this superposition is difficult to process some complex parts with hollow structure, such as, workpiece shown in Fig. 1, it has the external shell of a closing, have in the inside of housing one can be movable ball, the part not being connected with the inwall of housing due to ball, but separated by middle gap, neither one convergence part supports ball, therefore, existing 3D Method of printing is not used to the processing of product as shown in Figure 1.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is intended to provide a kind of 3D Method of printing for processing with hollow structure workpiece, increases the scope of application of 3D printing technique.
For achieving the above object, the present invention adopts the following technical scheme that
There is for processing the 3D Method of printing of hollow structure workpiece, comprise the steps:
A, choose different two kind 3D printing consumables, material a and material b, material a and material b and be powder, the wherein fusing point of the material a fusing point higher than material b；
B, utilize the file printing workpiece that above-mentioned two kind are different, wherein material a is for the entity part of superposition shaping workpiece, material b divides for the inside of superposition shaping workpiece, in print procedure, reserve an opening on the surface of the entity part of workpiece, this opening is divided the surface being through to outer workpiece profile by the inside of workpiece；
C, the workpiece completing above-mentioned printing heat up so that it is temperature is between the fusing point and the fusing point of material b of material a, and the inside fractional melting of the workpiece of material b superposition molding becomes liquid and flowed out by opening, makes workpiece.
Material a is metal, and material b is plastics.
Material a is ferrum or copper or aluminum, and material b is PVC or PE or PP.
For achieving the above object, the present invention uses following another kind of scheme:
There is for processing the 3D Method of printing of hollow structure workpiece, comprise the steps:
A, choose different two kind 3D printing consumables, material c and material d, material c and material d all in powder, choose solvent R, material d and can be dissolved in solvent R, material c and can not be dissolved in solvent R;
B, utilize the file printing workpiece that above-mentioned two kind are different, wherein material c is for the entity part of superposition shaping workpiece, material d divides for the inside of superposition shaping workpiece, in print procedure, reserve an opening on the surface of the entity part of workpiece, this opening is divided the surface being through to outer workpiece profile by the inside of workpiece；
C, being placed in solvent R by the workpiece that above-mentioned printing completes, this solvent R is entered by opening, makes the inside of the workpiece that material d fills gradually be dissolved by solvent R, to be dissolved complete after, the liquid that workpiece inside divides is poured out from opening, makes workpiece.
Material c is plastics, and material d is metal.
Material c is PVC or PE or PP, and material d is ferrum or aluminum or zinc, and solvent R is acid solution.
The effective of the present invention is:
Compared to existing 3D Method of printing, the method for the present invention can be used in processing the workpiece with hollow structure so that 3D printing technique can be applied to the processing of more complex part, extends the scope of application of 3D printing technique.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram with hollow structure workpiece；
Fig. 2 is the work status schematic diagram after the inventive method prints；
Fig. 3 is the work status schematic diagram of the inventive method heating process.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
The 3D Method of printing of the present invention is mainly used in processing the workpiece with hollow structure, workpiece as shown in the method manuscript 1 utilizing the present invention, and it comprises the steps:
A, choose different material a and material b, the fusing point of the material a fusing point higher than material b；The ferrum that material a selects fusing point to be 1535 DEG C, the PP that material b selects fusing point to be 167 DEG C；
B, above-mentioned material a and material b are loaded 3D printer, see Fig. 2,3D printer is according to the mathematical model of workpiece, with the workpiece shown in form printing shaping Fig. 1 of superposition, wherein material a is for the entity part (specifically including the housing 11 of outside and internal ball 12) of superposition shaping workpiece, material b divides 2 for the inside of superposition shaping workpiece, in print procedure, according to mathematical model, a reserved opening 111 on the surface (i.e. on housing 11) of the entity part of workpiece, this opening 111 is divided 2 surfaces being through to outer workpiece profile by the inside of workpiece；
C, see Fig. 3, after completing the print procedure of above-mentioned steps B, the workpiece temperature after having printed is increased to 300 DEG C, owing to temperature has exceeded material b(PP) fusing point, but less than material a(ferrum) fusing point, therefore, during persistently overheating, material b can be melted, the material b of liquid melts and is flowed out by opening 111, after treating that material b flows to end, the part originally filled at material b forms the inside of workpiece and divides 2, and ball 12 then retains in the inside of housing 11.During due to 300 DEG C, the PP of liquid has preferable mobility, therefore, when selecting PP as material b, workpiece temperature is increased to 300 DEG C, it is possible to ensure that the PP material that workpiece inside divides quickly flows to end；Certainly, add man-hour actual, as long as ensureing the workpiece temperature fusing point higher than PP.
In the method for the present invention, material a is metal, and such as ferrum, copper, aluminum etc., material b is plastics, such as PVC, PE, PP etc.；In a word, in selected two kinds of printing consumables, have only to ensure the fusing point difference of bi-material, but it should be noted that, owing to, in actual production process, being difficult to control temperature accurately, therefore, the fusing point of two kinds of selected consumptive materials to have bigger difference, it is to avoid will be used for the melt material of shaping workpiece entity part when heating up.
The principle that the said method Main Basis of the present invention is removed, material b removal from the material a printing workpiece entity part that inside divides will be printed, said method have employed and adds the purpose that the method realization of heat fusing material is removed, it is of course also possible to use other method to remove.The another kind of 3D Method of printing for processing with hollow structure workpiece described as follows, it comprises the steps:
A, choosing different material c and material d, wherein, material c is the plastics that PVC, PE, PP etc. can not react with acid solution, and material d is can be with metals such as acid solution generation displacement reaction or the ferrum of oxidation reaction, aluminum, zinc such as sulphuric acid, hydrochloric acid, nitric acid；
B, utilize the file printing workpiece that above-mentioned two kind are different, wherein material c is for the entity part of superposition shaping workpiece, material d divides for the inside of superposition shaping workpiece, in print procedure, reserve an opening on the surface of the entity part of workpiece, this opening is divided the surface being through to outer workpiece profile by the inside of workpiece；
C, the workpiece that above-mentioned printing completes is placed in sulphuric acid or hydrochloric acid or salpeter solution, acid solution is entered by opening, fully reacts with material d, makes the inside of the workpiece that material d fills gradually be corroded by acid solution, after corroding, the liquid that workpiece inside divides is poured out from opening.
In above method, the material d of selection can be dissolved in acid solution, and material c can not be dissolved in acid solution, utilizes acid flux material to be corroded by material d, and the inside processing workpiece divides.It is of course also possible to selection basic solvent, but when selecting basic solvent to corrode, its premise is that material c should select the material that can not be dissolved in basic solvent, and material d should select the material that can be dissolved in basic solvent.In addition, organic solvent can also be selected to implement the step that above-mentioned removal workpiece inside divides, particularly, the organic solvents such as ethanol can be selected, accordingly, material c selects the material that can not be dissolved in the organic solvents such as ethanol, and material d then selects the material that can be dissolved in the organic solvents such as ethanol, as can be selected for being dissolved in the resin of ethanol.
In a word, the 3D printing consumables that above-mentioned two kinds of method selection two kinds are different, these 3D printing consumables are general consumptive material or may be used for the material of 3D printing technique in existing 3D printing technique, the physical characteristic having only to ensure between two kinds of 3D printing consumables or chemical characteristic meet the requirement of its method, finally remove wherein for printing the 3D printing consumables that workpiece inside divides in the way of removal.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to the protection domain of the claims in the present invention.
Claims (2)
1. there is the 3D Method of printing of hollow structure workpiece for processing, it is characterised in that bag
Include following steps:
A, choose different two kind 3D printing consumables, material a and material b, material a and material
Material b is powder, wherein the fusing point of the material a fusing point higher than material b；Material a is ferrum
Or copper or aluminum, material b is PVC or PE or PP；
B, utilizing the file printing workpiece that above-mentioned two kind are different, wherein material a is used for superposition
The entity part of shaping workpiece, material b divides for the inside of superposition shaping workpiece, is printing
During, an opening is reserved on the surface of the entity part of workpiece, this opening is by workpiece
Empty part is through to the surface of outer workpiece profile；
C, the workpiece that above-mentioned printing is completed heat up so that it is temperature between material a fusing point and
Between the fusing point of material b, the inside fractional melting of the workpiece of material b superposition molding becomes liquid also
Flowed out by opening, make workpiece.
2. there is the 3D Method of printing of hollow structure workpiece for processing, it is characterised in that bag
Include following steps:
A, choose different two kind 3D printing consumables, material c and material d, material c and material
Material d all in powder, choose solvent R, material d can be dissolved in solvent R, material c can not be molten
In solvent R；Material c is PVC or PE or PP, and material d is ferrum or aluminum or zinc, and solvent R is
Acid solution；
B, utilizing the file printing workpiece that above-mentioned two kind are different, wherein material c is used for superposition
The entity part of shaping workpiece, material d divides for the inside of superposition shaping workpiece, is printing
During, an opening is reserved on the surface of the entity part of workpiece, this opening is by workpiece
Empty part is through to the surface of outer workpiece profile；
C, being placed in solvent R by the workpiece that above-mentioned printing completes, this solvent R is entered by opening,
The inside making the workpiece that material d fills gradually is dissolved by solvent R, to be dissolved complete after, will
The liquid that workpiece inside divides is poured out from opening, makes workpiece.
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| CN201310254406.8A CN103341629B (en) | 2013-06-24 | 2013-06-24 | There is the 3D Method of printing of hollow structure workpiece for processing |
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| CN201310254406.8A CN103341629B (en) | 2013-06-24 | 2013-06-24 | There is the 3D Method of printing of hollow structure workpiece for processing |
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| CN103341629A CN103341629A (en) | 2013-10-09 |
| CN103341629B true CN103341629B (en) | 2016-09-14 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI548534B (en) * | 2013-12-13 | 2016-09-11 | 三緯國際立體列印科技股份有限公司 | Three dimensional printing apparatus and nozzle temperature adjustment method thereof |
| TWI609769B (en) * | 2014-06-03 | 2018-01-01 | 三緯國際立體列印科技股份有限公司 | Three dimensional structure and three dimensional printing method |
| GB201500609D0 (en) * | 2015-01-14 | 2015-02-25 | Digital Metal Ab | Additive manufacturing method, method of processing object data, data carrier, object data processor and manufactured object |
| JP6784408B2 (en) * | 2015-11-06 | 2020-11-11 | 株式会社ドリーム・ジーピー | How to make a wooden pattern |
| TWI602783B (en) * | 2016-03-01 | 2017-10-21 | 巧新科技工業股份有限公司 | Laser accumulation printing by using aluminum based metal matrix composite powders to make hollow structural components |
| CN105856570A (en) * | 2016-05-10 | 2016-08-17 | 深圳市宏电技术股份有限公司 | 3D printing method |
| CN107053670B (en) * | 2017-03-29 | 2019-06-14 | 陕西恒通智能机器有限公司 | It is a kind of with prevent spherical work-piece generate deformation 3D printer |
| CN109014200B (en) * | 2018-08-30 | 2019-07-19 | 华中科技大学 | A kind of increasing material manufacturing method and device of band large-scale metal part |
| CN109759542A (en) * | 2019-03-22 | 2019-05-17 | 北京科技大学 | A kind of casting method based on the spontaneous casting mold of layering |
| CN111822713A (en) * | 2020-07-24 | 2020-10-27 | 中国工程物理研究院机械制造工艺研究所 | 3D printing part strengthening method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887464A (en) * | 2006-07-21 | 2007-01-03 | 刘世雄 | Formation method of hollow and notched parts |
| CN102351542A (en) * | 2011-07-12 | 2012-02-15 | 中南大学 | Preparation method of hollow-structure metal or ceramic part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007016852A1 (en) * | 2007-04-10 | 2008-10-16 | Bioregeneration Gmbh | Process for producing a structure comprising crystalline cellulose |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887464A (en) * | 2006-07-21 | 2007-01-03 | 刘世雄 | Formation method of hollow and notched parts |
| CN102351542A (en) * | 2011-07-12 | 2012-02-15 | 中南大学 | Preparation method of hollow-structure metal or ceramic part |
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