CN101545121A - Method and device for electron beam electroforming rapid prototyping - Google Patents
Method and device for electron beam electroforming rapid prototyping Download PDFInfo
- Publication number
- CN101545121A CN101545121A CN200810084499A CN200810084499A CN101545121A CN 101545121 A CN101545121 A CN 101545121A CN 200810084499 A CN200810084499 A CN 200810084499A CN 200810084499 A CN200810084499 A CN 200810084499A CN 101545121 A CN101545121 A CN 101545121A
- Authority
- CN
- China
- Prior art keywords
- electroforming
- electron beam
- electric motor
- axis
- electroforming solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a method and a device for electron beam electroforming rapid prototyping. The method is an electroforming technique which uses an electron beam as an electroforming cathode to prepare a part through lining and deposition carried out by the electrons obtained by positive metallic ions of an electroforming liquid via the electron beam. A three-dimensional model of the part is generated by a computer CAD system; then the cross sectional shape of the CAD model of the part is worked out by the hierarchy slicing software; the electron beam scans the electroforming liquid according to the cross sectional information; and the electroforming liquid carries out the electroforming to obtain the part at the position scanned by the electron beam. The device using the method mainly comprises an electron gun, a metallic electroforming material, an XY working platform, a Z axis elevating table, the electroforming liquid, a computer, a power supply, and the like. The method for the electron beam electroforming rapid prototyping can manufacture the metal part directly, rapidly, automatically and precisely.
Description
Technical field
The present invention relates to a kind of electron beam electroforming rapid prototyping method and specific equipment thereof.
Technical background
Rapid shaping technique (Rapid Protoyping is called for short RP) is the important breakthrough that grows up in the manufacturing field in the later stage eighties 20th century, it combines mechanical engineering, CAD, Numeric Control Technology, laser technology and material science and technology, the method that adopts pointwise or successively pile up material, the manufacturing of complicated 3 d part is changed into the stack that make in a series of two-dimensional part cross section, can automatically, directly, quickly and accurately design philosophy be changed into prototype with certain function.The PR technology is of a great variety, mainly contains photosensitive resin liquid phase curing molding (SLA), the powder sintered moulding of selective laser (SLS), thin slice layering stack moulding (LOM) and fuse and piles up moulding (FDM) etc.But these methods are primarily aimed at non-metallic material (as photosensitive resin, ABS or nylon, coated paper, resin sand etc.), to the bigger difficulty of direct manufacturing existence of metal parts.The processability of these materials is not ideal mostly, and functional, half functional requirement that the physicals of forming part can not satisfy must just can obtain gratifying part through aftertreatment or secondary development.Though SLS and FDM can sintering or molten metals, the straight forming metal parts, the element precision that obtains is low, still needs postprocessing working procedures.
The function part of straight forming high-strength metal material has important economic value.Electroforming is a kind ofly to utilize in the electroforming solution positive metal ion galvanic deposit on negative electrode to produce the Technology of part, manufacturing accuracy is higher, but existing galvanoplastics can not accurately be controlled the electroforming zone, and must use high-precision grand master pattern, and patent CN1300880A discloses a kind of selectivity electrocasting method, and this method is carried out anode and is sprayed, can select the electroforming zone, but manufacturing accuracy is low, and the accessory size scope of manufacturing is little, and these problems have limited the range of application of electroforming greatly.Electron beam electroforming is to utilize electron beam gun ejected electron bundle to provide electronics to form the technology that the electroforming negative electrode carries out electroforming, and electron beam electroforming combines with the RP technology can be directly used in rapid shaping high-precision metal part.
Summary of the invention
Can not accurately control the electroforming zone in order to overcome existing galvanoplastics, must use grand master pattern and the existing rapid shaping technique can not the straight forming metal parts, the shortcoming that the forming part precision is not high, the present invention proposes a kind of electron beam electroforming rapid prototyping method and equipment thereof.
Electron beam electroforming rapid prototyping method of the present invention, it is characterized in that being undertaken: utilize the electrochemistry cathodic deposition to carry out processing and manufacturing by following principle and method, as the electroforming negative electrode, as the electroforming anode, make electroforming solution with electron beam with the metal salt solution of electroforming material with the metal plating material.Under galvanic action, the atoms metal on the anode loses electronics to be become positive metal ion and enters electroforming solution.Electron beam gun ejected electron bundle scans on electroforming solution, the place that electron beam scanning arrives, and the positive metal ion in the electroforming solution becomes atoms metal with regard to electron gain and lining is deposited on the pallet.When moulding began, pallet was in the subsurface definite degree of depth of electroforming solution, and electroforming solution is in the focal plane of electron beam all the time, and the beam spot after the focusing is pressed computer instruction point by point scanning on the electroforming solution surface, i.e. pointwise produces metal lining deposition.After one deck scanning is finished, not by electron beam scanning to the place do not change.Z axle lifting table drives the pallet layer height that descends then, the scanning of following one deck, and one deck of new lining is bonded on the last lining layer securely, and so repetition finishes up to the whole part manufacturing, obtains a 3D solid prototype.
The invention provides a kind of electron beam electroforming working method of complete novelty, the intensity of electron beam and position can accurately be controlled, and the electroforming district can utilize electron beam scanning to select, and electron beam focuses on fine, can realize accurate trickle processing.This method has been abandoned the negative electrode grand master pattern of traditional electroforming, is implemented in planar layering electroforming and piles up part again under the control of computer, and this method meets the ultimate principle of rapid shaping technique, can the high-precision metal parts prototype of rapid shaping.
A kind of equipment that is used for above-mentioned electron beam electroforming rapid prototyping method, electron beam gun is installed on the XY worktable, can realize the motion of X-Y plane, and electron beam gun is connected with the metal plating material through voltameter.Fill electroforming solution in the electrotyping bath, the metal plating material inserts in the electroforming solution, and pallet is installed on the Z axle lifting table, is immersed in the electroforming solution, can move along Z-direction.The galvanic deposit chamber is equipped with agitator and vacuum extractor, is connected with electroforming solution cleaning loop and electroforming solution temperature controlling system.It is characterized in that electron beam is as the electroforming negative electrode in the electroforming circuit loop, the metal plating material is as the electroforming anode, and linking between electron beam gun and the metal plating material has rheometer and form circuit loop by electroforming solution.
The constructional feature and the motion feature of electron beam electroforming rapid prototyping equipment of the present invention are:
(1) electron beam gun divergent bundle scanning electroforming solution.
(2) electron beam gun is installed on the XY worktable, can move on X-Y plane.
(3) pallet is installed on the Z axle worktable, accepts processing parts above, behind settled layer of electron beam scanning, and the height of pallet decline one deck on Z-direction.
(4) voltameter in the computer connection electroforming circuit loop and electron beam gun, XY worktable, Z axle lifting table.Voltameter can write down the electroforming electric weight, computer is according to the electroforming information about power of voltameter feedback, calculate the meltage of metal plating material and the thickness of settled layer, require the motion on Z axle lifting table of control electron beam gun according to processed file, reach the purpose of control deposit thickness in motion on the X-Y plane and pallet.
(5) the galvanic deposit chamber is an enclosed space, and vacuum extractor is installed, and is high vacuum environment in the enclosed space, can ensure the movement velocity of electron beam like this, stablizes electron beam.Splendid attire electroforming solution in the electrotyping bath of galvanic deposit chamber is equipped with agitator, and agitator stirs electroforming solution, reduces the electroforming defective and guarantees element precision.The galvanic deposit chamber is equipped with the electroforming solution temperature controlling system, makes its temperature value that remains on setting adding the temperature that can regulate electroforming solution man-hour automatically, guarantees that electroforming adds the stability of temperature in man-hour, helps to guarantee the stability of the course of processing.The galvanic deposit chamber links to each other with electroforming solution cleaning loop, can remove the impurity in the electroforming solution, ensures element precision.
Description of drawings
Fig. 1 is an electron beam electroforming rapid prototyping method synoptic diagram of the present invention;
Fig. 2 is the structural representation of electron beam electroforming rapid prototyping equipment of the present invention;
Fig. 3 is the XY worktable structural representation;
Fig. 4 is a Z axle lifting table structural representation.
1. electroforming circuit loops among the figure, 11. electron beam gun, 12. electron beams, 13. metal plating materials, 14. voltameter, 2.XY worktable, 21. substrates, 22.X axle progress electric motor, 23.Y the progressive electric motor of axle, the 24.X axle is with synchronously, and the 25.Y axle is with synchronously, 3.Z axle lifting table, 31. pallet, 32.Z axle progress electric motor, 33. screw mandrels, 34. guide rails, 35. hanging beam, 36. risers, 37. substrates, 4. galvanic deposit chamber, 41. electrotyping baths, 42. electroforming solution, 43. agitator, 44. vacuum extractors, 5. part, 6. computer and power supply, 7. electroforming solution temperature controlling system, 71. thermometers, 72. well heater, 8. electroforming solution cleans loop, 81. valves, 82. strainer, 83. pumps, 84. under meters
Embodiment
Providing embodiment below in conjunction with accompanying drawing further describes the inventive method and equipment thereof.
With reference to Fig. 1, electron beam electroforming rapid prototyping method of the present invention, it is characterized in that being undertaken by following processes: electron beam gun (11) can divergent bundle (12), fill electroforming solution (42) in the electrotyping bath (41), pallet (31) is installed on the Z axle lifting table (3), and part (5) is undertaken on the pallet (31).During the electroforming part, at first generate the three-dimensional model of part, ask for the cross-sectional shape of each layer of part with the hierarchy slicing software of special use according to the three-dimensional CAD model of part again, obtain the two-dimensional scan track of electron beam (12) by the computer CAD system.The track that electron beam gun (11) generates after according to hierarchy slicing under computer control carries out the two-dimensional scan campaign in X-Y plane, make the electroforming solution (42) at electron beam (11) scanning spot place on pallet (31), carry out the lining deposition, form a layer cross section of part (5), after one deck is finished, Z axle lifting table (3) drives the height of pallet (31) decline one deck, descends the lining deposition of one deck again.So repeat, be layering, finish, obtain a 3 d part entity prototype up to the whole part manufacturing.
With reference to Fig. 2, a kind of equipment that is used for above-mentioned electron beam electroforming rapid prototyping method comprises electroforming circuit loop (1), XY worktable (2), Z axle lifting table (3), galvanic deposit chamber (4), computer and power supply (6), electroforming solution temperature controlling system (7) and electroforming solution clean cycle loop (8) composition.In the electroforming process, electron beam gun (11) divergent bundle (12), electron beam gun (11) is connected with metal plating material (13) by rheometer (14), forms electroforming circuit loop (1) through electroforming solution (42).Metal plating material (13) dissolving, positive metal ion flows to the pallet (31) of electron beam (12) scanning, goes up the lining deposition at pallet (31).Electron beam gun (11) is installed on the XY worktable (2), can be implemented on the X-Y plane and moves.Pallet (31) is installed on the Z axle lifting table (3), accepts processed part (5) above, can be in the motion of Z-direction.
There is the electrotyping bath (41) of splendid attire electroforming solution (42) galvanic deposit chamber (4), and agitator (43) and vacuum extractor (44) are installed, and is provided with electroforming solution temperature controlling system (7), and links to each other with electroforming solution cleaning loop (8).Agitator (43) stirs electroforming solution (42); Vacuum extractor (44) makes the space of galvanic deposit chamber (4) become vacuum; Electroforming solution temperature controlling system (7) is made up of thermometer (71) and well heater (72), can be the control of the temperature of electroforming solution (42) within the specific limits; Cleaning loop (8) is made up of valve (81), strainer (82), pump (83) and under meter (84), can remove the impurity in the electroforming solution (42).
In Fig. 3, XY worktable (2) is mainly finished electron beam gun (11) and is accurately scanned in the lip-deep two dimension of electroforming solution (42), realizes each layer lining deposition of electroforming solution (42).Electron beam gun (11) is installed in X-axis and is with synchronously on (24), X-axis is with (24) to be driven by X-axis progress electric motor (22) synchronously, and electron beam gun (11), X-axis are installed on the guide rail of XY worktable (2) substrate (21) with (24) and X-axis progress electric motor (22) synchronously, are with (25) to drive by Y-axis progress electric motor (23) synchronously by Y-axis.X-axis progress electric motor (22) and Y-axis progress electric motor (23) are by computer control.
In Fig. 4, send motor message by computer, the substrate (37) of Z axle lifting table (3) is gone up fixed Z axle progress electric motor (32) and is started working, and drives screw mandrel (33) and rotates, and hanging beam (35) is driven by screw mandrel (33), moves in guide rail (34) upper edge Z-direction.Hanging beam (35) drives pallet (31) through riser (36) and does identical Z-direction motion.
Claims (6)
1. electron beam electroforming rapid prototyping method is characterized in that carrying out according to the following steps:
(1) at first utilize computer aided design software that part is carried out d solid modeling;
(2) according to processing request, utilize hierarchy slicing software that the three-dimensional entity model of part is cut into slices, obtain the hierarchy slicing information of part;
(3) track while scan of electron beam determines that according to hierarchy slicing information and processing request in the enterprising line scanning of electroforming solution, electroforming obtains part to electron beam according to track while scan.
2. electron beam electroforming rapid prototyping method according to claim 1 is characterized in that utilizing electron beam as the electroforming negative electrode, carries out the electrochemical deposition processing parts in electroforming solution.
3. an equipment that is used for the described electron beam electroforming rapid prototyping method of claim 1 comprises electroforming circuit loop (1), XY worktable (2), Z axle lifting table (3), galvanic deposit chamber (4), computer and power supply (6), electroforming solution temperature controlling system (7) and electroforming solution clean cycle loop (8) composition.It is characterized in that electron beam gun (11) divergent bundle (12), link to each other with metal plating material (13) that metal plating material (13) inserts in the electroforming solution (42) by voltameter (14).
4. equipment according to claim 3, electron beam gun (11) is installed on the XY worktable (2), be with (24) to be connected synchronously with the X-axis that drives by X-axis progress electric motor (22), electron beam gun (11), X-axis are with (24) and X-axis progress electric motor (22) to be installed on the guide rail synchronously, are with (25) to be connected synchronously with the Y-axis that is driven by Y-axis progress electric motor (23).Pallet (31) is installed on the Z axle lifting table (3), accepts part (5) on it, and Z axle progress electric motor (32) connects screw mandrel (33), and screw mandrel (33) connects hanging beam (35), and hanging beam (35) is installed on the guide rail (34), connects pallet (31) by riser (36).
5. the X-axis progress electric motor (22) on the equipment according to claim 3, the voltameter (14) in the electroforming circuit loop (1) and electron beam gun (11), XY worktable (2) all links to each other with computer with the Z axle progress electric motor (32) on Y-axis progress electric motor (23), the Z axle lifting table (3).
6. equipment according to claim 3, galvanic deposit chamber (4) is equipped with electrotyping bath (41), agitator (43), vacuum extractor (44), splendid attire electroforming solution (42) in the electrotyping bath (41), galvanic deposit chamber (4) are connected with electroforming solution temperature controlling system (7) and electroforming solution cleaning loop (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810084499A CN101545121A (en) | 2008-03-26 | 2008-03-26 | Method and device for electron beam electroforming rapid prototyping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810084499A CN101545121A (en) | 2008-03-26 | 2008-03-26 | Method and device for electron beam electroforming rapid prototyping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101545121A true CN101545121A (en) | 2009-09-30 |
Family
ID=41192490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810084499A Pending CN101545121A (en) | 2008-03-26 | 2008-03-26 | Method and device for electron beam electroforming rapid prototyping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545121A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489705A (en) * | 2011-11-30 | 2012-06-13 | 西北有色金属研究院 | Method for producing metal hollow balls |
| CN103481672A (en) * | 2013-09-30 | 2014-01-01 | 陈泽进 | Electrolytic etching electroplating accumulation three-dimensional (3D) printer |
| CN104570918A (en) * | 2014-08-06 | 2015-04-29 | 桂林狮达机电技术工程有限公司 | Deflection scanning system of electron beam rapid forming manufacturing device and control method |
| CN105193527A (en) * | 2015-05-11 | 2015-12-30 | 刘宏伟 | Method for performing EBM metal 3D printing on personalized human body thighbone prosthesis sleeve |
| CN105239110A (en) * | 2015-11-12 | 2016-01-13 | 清华大学 | Three-dimensional electroforming machining method and system |
| CN105945283A (en) * | 2016-06-08 | 2016-09-21 | 西安智熔金属打印***有限公司 | Rapid prototyping and manufacturing method for mobile powder bed type electron beam |
| CN106493357A (en) * | 2016-10-21 | 2017-03-15 | 广东五维科技有限公司 | A kind of 3D printing method reduced based on metal cation |
| CN106940458A (en) * | 2017-04-10 | 2017-07-11 | 深圳市华星光电技术有限公司 | The manufacture method of wiregrating polaroid |
| CN107557821A (en) * | 2017-08-31 | 2018-01-09 | 南通大学 | A kind of preparation method and its device of hollow 3-dimensional metal micro-structural |
| CN108193237A (en) * | 2018-03-16 | 2018-06-22 | 上海圣匡机电科技有限公司 | A kind of electroforming three-dimensional fast shaping method and device |
| CN110523977A (en) * | 2019-03-12 | 2019-12-03 | 清华大学 | Liquid floats powder bed increasing material manufacturing device and method |
-
2008
- 2008-03-26 CN CN200810084499A patent/CN101545121A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489705B (en) * | 2011-11-30 | 2013-12-11 | 西北有色金属研究院 | Method for producing metal hollow balls |
| CN102489705A (en) * | 2011-11-30 | 2012-06-13 | 西北有色金属研究院 | Method for producing metal hollow balls |
| CN103481672A (en) * | 2013-09-30 | 2014-01-01 | 陈泽进 | Electrolytic etching electroplating accumulation three-dimensional (3D) printer |
| CN103481672B (en) * | 2013-09-30 | 2016-06-22 | 陈泽进 | 3D printer is piled up in electrolytic etching plating |
| CN104570918A (en) * | 2014-08-06 | 2015-04-29 | 桂林狮达机电技术工程有限公司 | Deflection scanning system of electron beam rapid forming manufacturing device and control method |
| CN104570918B (en) * | 2014-08-06 | 2017-02-22 | 桂林狮达机电技术工程有限公司 | Deflection scanning system of electron beam rapid forming manufacturing device and control method |
| CN105193527A (en) * | 2015-05-11 | 2015-12-30 | 刘宏伟 | Method for performing EBM metal 3D printing on personalized human body thighbone prosthesis sleeve |
| CN105193527B (en) * | 2015-05-11 | 2017-03-15 | 刘宏伟 | A kind of method of EBM metals 3D printing personalization human body femoral prosthesis oversleeve |
| CN105239110A (en) * | 2015-11-12 | 2016-01-13 | 清华大学 | Three-dimensional electroforming machining method and system |
| CN105945283B (en) * | 2016-06-08 | 2018-05-22 | 西安智熔金属打印***有限公司 | Mobile powder bed type electron beam quick forming fabri-cation method |
| CN105945283A (en) * | 2016-06-08 | 2016-09-21 | 西安智熔金属打印***有限公司 | Rapid prototyping and manufacturing method for mobile powder bed type electron beam |
| CN106493357A (en) * | 2016-10-21 | 2017-03-15 | 广东五维科技有限公司 | A kind of 3D printing method reduced based on metal cation |
| CN106940458A (en) * | 2017-04-10 | 2017-07-11 | 深圳市华星光电技术有限公司 | The manufacture method of wiregrating polaroid |
| WO2018188150A1 (en) * | 2017-04-10 | 2018-10-18 | 深圳市华星光电技术有限公司 | Fabrication method for wire grid polarizer |
| CN106940458B (en) * | 2017-04-10 | 2019-07-12 | 深圳市华星光电技术有限公司 | The manufacturing method of wiregrating polaroid |
| JP2020505649A (en) * | 2017-04-10 | 2020-02-20 | 深▲せん▼市華星光電技術有限公司Ｓｈｅｎｚｈｅｎ Ｃｈｉｎａ Ｓｔａｒ Ｏｐｔｏｅｌｅｃｔｒｏｎｉｃｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | Manufacturing method of wire grid polarizer |
| CN107557821A (en) * | 2017-08-31 | 2018-01-09 | 南通大学 | A kind of preparation method and its device of hollow 3-dimensional metal micro-structural |
| CN107557821B (en) * | 2017-08-31 | 2023-10-27 | 南通大学 | Preparation method and device of hollow three-dimensional metal microstructure |
| CN108193237A (en) * | 2018-03-16 | 2018-06-22 | 上海圣匡机电科技有限公司 | A kind of electroforming three-dimensional fast shaping method and device |
| CN110523977A (en) * | 2019-03-12 | 2019-12-03 | 清华大学 | Liquid floats powder bed increasing material manufacturing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101545121A (en) | Method and device for electron beam electroforming rapid prototyping | |
| Atwood et al. | Laser engineered net shaping (LENS™): A tool for direct fabrication of metal parts | |
| CN103590076B (en) | A kind of laser reinforcing electro-deposition quick shaping machining device and method | |
| Kruth et al. | Benchmarking of different SLS/SLM processes as rapid manufacturing techniques | |
| Levy | The role and future of the laser technology in the additive manufacturing environment | |
| CN101328599A (en) | Numerical control selected area electrochemical deposition rapid forming method and apparatus | |
| CN103590080A (en) | Laser-reinforced jet-electrodeposition rapid-prototyping processing apparatus and method | |
| JP6785323B2 (en) | Systems and methods for machining workpieces and articles machined from workpieces | |
| CN204097583U (en) | Dot matrix anode type electroreduction metal deposition part 3D prints equipment | |
| CN104178782B (en) | Electroreduction metal deposit dot matrix distributed anodes important actor | |
| Kusuma | The effect of laser power and scan speed on melt pool characteristics of pure titanium and Ti-6Al-4V alloy for selective laser melting | |
| Dimla et al. | Investigation of complex rapid EDM electrodes for rapid tooling applications | |
| EP0649695A1 (en) | Method of manufacturing electrically conductive elements, in particular electrodes for electrical discharge machining | |
| JP6742372B2 (en) | Method and apparatus for manufacturing at least one component made of at least one ceramic and/or metallic material by means of additive manufacturing technology | |
| JP2008291318A (en) | Method for producing three-dimensionally shaped object | |
| CN109136999A (en) | A kind of devices and methods therefor of microparticle jetting electro-deposition forming micrometallic component | |
| Rajput et al. | Micromanufacturing by selective jet electrodeposition process | |
| CN201232091Y (en) | Quick-speed forming device for electrochemical deposition at numerical control selected area | |
| Kumar | Additive Manufacturing Solutions | |
| Tay et al. | The potential of plating techniques in the development of rapid EDM tooling | |
| CN203593801U (en) | Laser strengthening electro-deposition rapid prototyping processing device | |
| Weinmann et al. | Photolithography-electroforming-pulse electrochemical machining: an innovative process chain for the high precision and reproducible manufacturing of complex microstructures | |
| CN100580149C (en) | Method and equipment for manufacturing metal parts directly by using electrodeposition technique of laminated template | |
| Phull et al. | Copper electroforming optimization for fused deposition modeling produced ABS components for indirect tooling applications | |
| CN105239110A (en) | Three-dimensional electroforming machining method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090930 |