CN103862238B - The manufacture method of porous tantalum workpiece and related device - Google Patents
The manufacture method of porous tantalum workpiece and related device Download PDFInfo
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- CN103862238B CN103862238B CN201410088043.XA CN201410088043A CN103862238B CN 103862238 B CN103862238 B CN 103862238B CN 201410088043 A CN201410088043 A CN 201410088043A CN 103862238 B CN103862238 B CN 103862238B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention discloses the manufacture method of a kind of porous tantalum workpiece and related device, wherein the manufacture method of porous tantalum workpiece comprises the steps: to provide tantalum foil material；Computer is layered and calculates；Material strip moves to machining area；Laser scanning is cut, and workbench cooperation moves down；Bonding；Measuring altitude information, and feed back to computer, computer performs corresponding operating；Laser head performs corresponding cutting action, and workbench cooperation moves down；Repeat S5 to S7 step, go out last layer to cut and hand over cross section；Sintering。The manufacture method of the porous tantalum workpiece of the present invention is passed through Optimizing Process Parameters, is accurately controlled cutting zone, controls pulsewidth, frequency, scanning speed, it is thus achieved that the porous tantalum thin slice of two dimension。And by piling up layer by layer, sintering obtains biological stephanoporate tantalum。The manufacture method of the present invention can apply to medical industry, and solves problem of environmental pollution when using powder to pile up layer by layer and Powder Recovery problem。
Description
Technical field
The present invention relates to the preparing technical field of biomaterial, particularly relate to the manufacture method of a kind of porous tantalum workpiece, and for realizing the device of this manufacture method。
Background technology
Nearly 2,000,000 client need of annual China do joint replacement surgery, being in great demand to osseous tissue renovating material, and according to statistics, the market scale of the annual bone renovating material in the whole world is more than 200,000,000,000 dollars。The bio-medical material being currently used for clinic mainly has: biomedical metallic material, bio-medical organic material (referring mainly to high-molecular organic material), bio-medical Inorganic Non-metallic Materials (referring mainly to bioceramic, bio-vitric and carbon materials) and bio-medical composition。Contrastingly, biomedical metallic material, such as rustless steel, cobalt-base alloys, titanium and titanium alloy and noble metal etc., there is higher mechanical strength, elasticity and excellent machinability, have obvious advantage at Bone Defect Repari and replacement bone organizational aspects。
In the middle of numerous biomedical metallic materials, metal tantalum has excellent biocompatibility and biological activity, is paid attention to widely in recent years and big quantity research。But, the shortcomings such as fine and close tantalum material is great due to ratio, and elastic modelling quantity is high, it is impossible to be implanted directly in human body。Therefore, design and manufacture one class had both had excellent biocompatibility and biological activity, and the research again with good mechanical property and the porous tantalum metal material similar to human bone microstructure becomes the focus of research。
Porous tantalum is that one is similar to foamed metal, and it has the characteristic of high volume porosity rate, low elastic modulus and high skin-friction coefficient, is a kind of bone alternate material preferably。In mechanical property, the elastic modelling quantity of porous tantalum, fatigue resistance, coefficient of friction and normal bone tissues are close；In biological nature, porous tantalum shows good biocompatibility, corrosion resistance, self-bone grafting and regeneration capacity, and is expected to catch up with and surpass other metal materials applied, thus becoming the developing direction that bone tissue engineer is new。
Although porous tantalum has above-mentioned many advantages, but owing to the fusing point of tantalum is up to 2996 DEG C, and tantalum and oxygen have higher affinity, and this is that the preparation of porous tantalum proposes new challenge。Preparation technology currently, with respect to porous tantalum mainly comprises: vapour deposition process, Polymeric sponge method etc.。
Wherein, porous tantalum prepared by vapour deposition process has the characteristic of high volume porosity rate, low elastic modulus and high skin-friction coefficient, but this process condition requires strictly, deposition velocity is slow, investment is big, production cost is high, simultaneously because tantalum belongs to insoluble metal, its evaporation is extremely difficult, additionally need vacuum environment to be evaporated, cause that cost is greatly increased, thus limiting its extensive use。It addition, Polymeric sponge method easily brings the residual of organic poison, this is owing to have employed binding agent and organic ink, it is easy to producing toxicity and impurities left, easy-clear is unclean。
Summary of the invention
For the problems referred to above, the invention provides the manufacture method of a kind of porous tantalum workpiece, and for realizing the device of this manufacture method。
One of to achieve these goals, the manufacture method of a kind of porous tantalum workpiece of the present invention, it comprises the steps:
S1., tantalum foil material is provided, is cleaned processing to it, the tantalum foil material processed through cleaning is wound on material roller, forms material strip to be processed；
S2. the computer entity size according to porous tantalum workpiece to be manufactured, calculates porous tantalum workpiece every layer and hands over profile data and the laser head scanning trajectory diagram data in cross section, and these data imported in laser head control system；
S3. material strip moves to the top and laser head of workbench the machining area position of correspondence；
S4. control under the control of system at laser head, laser head is pointed to the material strip of machining area and is scanned cutting, it is thus achieved that tantalum foil synusia, after cutting, workbench moves down the thickness of a tantalum foil synusia；
S5. material strip to be processed continuously moves to machining area, and bonds with the tantalum foil synusia of acquisition in step S4；
S6. the height of the bond material strip to be processed got up and tantalum foil synusia is measured, and the altitude information of measurement is fed back to computer, computer, according to the altitude information received, calculates the profile data handing over cross section of correspondence, and is input to by this profile data in laser head control system；
S7. laser head control system determines the laser head scanning track data of correspondence according to the profile data of input, and the material strip to be processed of machining area it is positioned at according to the laser head scanning track data control laser head cutting determined, after cutting, workbench moves down the thickness of a tantalum foil synusia；
S8. repeat S5 to S7 step, cut out last layer to laser head and hand over cross section, form the 3D solid of workpiece；
S9. 3D solid is sintered, it is thus achieved that porous tantalum workpiece。
As a further improvement on the present invention, in described step S1, in the thickness of material strip and step S2, every layer of thickness handing over cross section is 0.03～0.09mm。
As a further improvement on the present invention, described cleaning processes and includes: utilize acetone or anhydrous alcohol that tantalum foil material is carried out, dried for standby after cleaning。
As a further improvement on the present invention, described step S5 specifically includes: material strip to be processed continuously moves to machining area, and hot-pressing roller is pointed to the material strip to be processed of machining area and back and forth rolls, and gets up with the tantalum foil synusia bonding by material strip to be processed with acquisition。
As a further improvement on the present invention, the distance that material strip to be processed continues to move to is slightly larger than the distance of laser head cutting processing on material strip moving direction。
As a further improvement on the present invention, the output of the lasing light emitter of laser head is 30～160W, and pulse duration range is 0.3～20.0ms, frequency be 1～100Hz, scanning speed is 30～180mm/min, and the wavelength of lasing light emitter is 800-1064nm。
As a further improvement on the present invention, described laser head controls under the control of system at laser head, carries out cutting also including according to scanning track data: tantalum foil material unnecessary in profile diagram is cut into grid。
As a further improvement on the present invention, before 3D solid is sintered, 3D solid is utilized clamp, clamping force is at least 10MPa, being put in vacuum drying oven by 3D solid and be sintered under the atmosphere of argon, sintering condition is: at room temperature～500 DEG C, sinters 100min；It is warming up to 1200 DEG C, sinters 100～300min at such a temperature；It is warming up to 1800～2300 DEG C, and sinters 100～300min at such a temperature。
For realizing another goal of the invention above-mentioned, the device of a kind of manufacture method for realizing porous tantalum workpiece as above of the present invention, described device includes:
Feed roller, some guide rollers and the material receiving roller being synchronized with the movement with described feed roller；
Hoistable platform, it is arranged between described feed roller and material receiving roller；
Laser cutting system, it is arranged at above described hoistable platform, and described laser cutting system includes lasing light emitter, laser mirror, laser head；
Rolling mechanism, it is arranged at above described hoistable platform；
Computer, laser head control system。
As a further improvement on the present invention, described rolling mechanism includes hot-pressing roller。
Compared with prior art, the invention has the beneficial effects as follows: the manufacture method of the porous tantalum workpiece of the present invention is passed through Optimizing Process Parameters, accurately controlled cutting zone, controls pulsewidth, frequency, scanning speed, it is thus achieved that the porous tantalum thin slice of two dimension。And by piling up layer by layer, sintering obtains biological stephanoporate tantalum。The manufacture method of the present invention can apply to medical industry, and solves problem of environmental pollution when using powder to pile up layer by layer。
Additionally, in the manufacture method of the porous tantalum workpiece of the present invention, adopt laser instrument to carry out straight line and irradiate cutting tantalum foil material, rather than directly act on tantalum powder, thus the waste material processed is tantalum thin slice rather than powder so that the problem that waste recovery utilizes also is solved。
The manufacture method of the porous tantalum workpiece of the present invention is also equipped with that energy-controllable is high, processing heat affected area is narrow, working (machining) efficiency advantages of higher, can better adapt to vibration monitoring。
Accompanying drawing explanation
Fig. 1 is the method flow diagram of a detailed description of the invention of the manufacture method of the porous tantalum workpiece of the present invention；
Fig. 2 is the schematic perspective view of the device of the manufacture method for realizing porous tantalum workpiece of the present invention。
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be described in detail below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly fall into the scope of protection of the invention。
As it is shown in figure 1, the manufacture method of a kind of porous tantalum workpiece of the present invention, it comprises the steps:
S1., tantalum foil material is provided, is cleaned processing to it, the tantalum foil material processed through cleaning is wound on material roller, forms material strip to be processed。
Wherein, described cleaning processes and includes: utilize acetone or anhydrous alcohol that tantalum foil material is carried out, dried for standby after cleaning。The thickness of tantalum foil material band is preferably: 0.03～0.09mm, purity is >=99.5%。
S2. the computer entity size according to porous tantalum workpiece to be manufactured, calculates porous tantalum workpiece every layer and hands over profile data and the laser head scanning trajectory diagram data in cross section, and these data imported in laser head control system。
Computer, when calculating profile data and the laser head scanning trajectory diagram data that cross section handed over by porous tantalum workpiece every layer, is utilize entity layering software that the physical model of porous tantalum workpiece is layered and is calculated。Layering time, the physical model of porous tantalum workpiece is layered with every layer thickness for 0.03～0.09mm because when this thickness range, the precision of the porous tantalum workpiece of manufacture is higher, and thickness close or equal to 0.03 time the highest。
S3. material strip moves to the top and laser head of workbench the machining area position of correspondence。
S4. control under the control of system at laser head, laser head is pointed to the material strip of machining area and is scanned cutting, it is thus achieved that tantalum foil synusia, after cutting, workbench moves down the thickness of a tantalum foil synusia。
Laser head controls system when controlling laser head motion, read the laser head scanning trajectory diagram data of the every layer of profile data handing over cross section being stored therein and correspondence in order, and the motion of trajectory diagram Data Control laser head is scanned according to laser head, laser head controls, under system control, correspondingly to cut out one layer and hand over cross section at laser head。
S5. material strip to be processed continuously moves to machining area, and bonds with the tantalum foil synusia of acquisition in step S4。
Specifically, as a kind of embodiment, after material strip to be processed continuously moves to machining area, utilize the material strip to be processed that hot-pressing roller is pointed to machining area back and forth to roll, get up with the tantalum foil synusia bonding by material strip to be processed with acquisition。Additionally, in the process that material strip to be processed continues to move to, the distance that material strip to be processed continues to move to is slightly larger than the distance of laser head cutting processing on material strip moving direction, thus ensureing that cut tantalum foil material band is removed from machining area completely。
S6. the height of the bond material strip to be processed got up and tantalum foil synusia is measured, and the altitude information of measurement is fed back to computer, computer, according to the altitude information received, calculates the profile data handing over cross section of correspondence, and is input to by this profile data in laser head control system。
When measuring the height piling up the material strip to be processed and tantalum foil synusia got up, can according to altitude information described in the position measurement of workbench stopping。
S7. laser head control system determines the laser head scanning track data of correspondence according to the profile data of input, and the material strip to be processed of machining area it is positioned at according to the laser head scanning track data control laser head cutting determined, after cutting, workbench moves down the thickness of a tantalum foil synusia。
When cutting, the output of lasing light emitter controlling laser head is 30～160W, and pulse duration range is 0.3～20.0ms, frequency be 1～100Hz, scanning speed is 30～180mm/min, and the wavelength of lasing light emitter is 800-1064nm。When the output of described 30～160W, laser just can be pointed to a layered material band of machining area and cut, without cutting to the tantalum foil material band being positioned at below machining area。
Additionally, laser head carries out cutting also including according to scanning track data under control: tantalum foil material unnecessary in profile diagram is cut into grid, in order to the workpiece that cutting processing is formed can be separated。
S8. repeat S5 to S7 step, cut out last layer to laser head and hand over cross section, form the 3D solid of workpiece。
S9. 3D solid is sintered, it is thus achieved that porous tantalum workpiece。
Wherein, before 3D solid is sintered, 3D solid utilizing clamp, clamping force are at least 10MPa, then put into by 3D solid in vacuum drying oven and be sintered under the atmosphere of argon, sintering condition is: at room temperature～500 DEG C, sinters 100min；It is warming up to 1200 DEG C, sinters 100～300min at such a temperature；It is warming up to 1800～2300 DEG C, and sinters 100～300min at such a temperature。
As in figure 2 it is shown, the present invention also provides for the device 100 of a kind of manufacture method for realizing porous tantalum workpiece as above, this device includes: feed roller 10, some guide rollers 20 and the material receiving roller 30 being synchronized with the movement with described feed roller 10。Wherein, described feed roller 10 is for being wound around tantalum foil material band to be processed, and material receiving roller 30 is then used for the tantalum foil material band after being wound around cutting。Some guide rollers 20 are arranged between feed roller 10 and material receiving roller 30, and tantalum foil material band plays guiding and the effect supported。
The device 100 of the manufacture method realizing porous tantalum workpiece of the present invention also includes: hoistable platform 40 and laser cutting system 50, and wherein hoistable platform 40 is arranged between described feed roller 10 and material receiving roller 30, and can carry the tantalum foil material cut down and move。Laser cutting system 50 is arranged at above described hoistable platform 40, and described laser cutting system 50 includes lasing light emitter 501, laser mirror 502, laser head 503。Thus, the laser launched from lasing light emitter 501, after laser mirror 502 reflects, is transferred to laser head 503 place, and launches through laser head 503。
The device 100 of the manufacture method realizing porous tantalum workpiece of the present invention also includes: rolling mechanism, computer and laser head control system。Described rolling mechanism is arranged at the top of described hoistable platform 40, and this rolling mechanism includes hot-pressing roller 60。
Below in conjunction with some embodiments being described in detail the manufacture method of porous tantalum workpiece。
Embodiment 1
Set up porous tantalum workpiece solid geometry model, and utilize computer to its layered shaping, obtain every layer of profile data handing over cross section and laser head scanning trajectory diagram data, and every layer of profile data handing over cross section and laser head scanning trajectory diagram data are imported laser head and control system。Being 0.03mm by thickness, the top of workbench delivered to by the purity tantalum foil material more than 99.5%。Laser head controls under system control at laser head, and cutting tantalum foil material is formed hands over cross section accordingly, the region that the friendship cross section of formation never needs to cuts down, and rejects unwanted waste material on current tantalum foil material。
The thickness of workbench one layer of tantalum foil material of decline, unprocessed tantalum foil material continuously moves to machining area, and hot-rolling pressing makes the tantalum foil material surface being positioned at machining area combine closely with cleaved tantalum foil material。Laser head controls under system control at laser head, continue that tantalum foil material is carried out cutting formation and hand over cross section accordingly, ensureing that the energy of cutting can not affect following one layer of tantalum foil material having cut formation and hand over cross section, workbench continues to move down the thickness of one layer of tantalum foil material simultaneously。Tantalum foil material repeats above-mentioned shift action, and laser head repeats above-mentioned cutting action and forms the 3D solid of required size to workpiece。Wherein, the power of lasing light emitter is 30W, and pulsewidth is 0.3ms, frequency be 1Hz, scanning speed is 30mm/min。
The 3D solid clamping that will be formed, clamping force >=10Mpa。After clamping, putting in vacuum drying oven, pass into argon and be sintered, sintering condition is as follows: at 500 DEG C of temperature, sinters 100min；It is warming up to 1200 DEG C, sinters 100min at such a temperature；It is warming up to 1800 DEG C, at such a temperature, sinters 100min。After vacuum drying oven cools down, take out the porous tantalum workpiece obtained。
Embodiment 2
Set up porous tantalum workpiece solid geometry model, and utilize computer to its layered shaping, obtain every layer of profile data handing over cross section and laser head scanning trajectory diagram data, and every layer of profile data handing over cross section and laser head scanning trajectory diagram data are imported laser head and control system。Being 0.05mm by thickness, the top of workbench delivered to by the purity tantalum foil material more than 99.5%。Laser head controls under system control at laser head, and cutting tantalum foil material is formed hands over cross section accordingly, the region that the friendship cross section of formation never needs to cuts down, and rejects unwanted waste material on current tantalum foil material。
The thickness of workbench one layer of tantalum foil material of decline, unprocessed tantalum foil material continuously moves to machining area, and hot-rolling pressing makes the tantalum foil material surface being positioned at machining area combine closely with cleaved tantalum foil material。Laser head controls under system control at laser head, continue that tantalum foil material is carried out cutting formation and hand over cross section accordingly, ensureing that the energy of cutting can not affect following one layer of tantalum foil material having cut formation and hand over cross section, workbench continues to move down the thickness of one layer of tantalum foil material simultaneously。Tantalum foil material repeats above-mentioned shift action, and laser head repeats above-mentioned cutting action and forms the 3D solid of required size to workpiece。Wherein, the power of lasing light emitter is 100W, and pulsewidth is 10.0ms, frequency be 500Hz, scanning speed is 100mm/min。
The 3D solid clamping that will be formed, clamping force >=10Mpa。After clamping, putting in vacuum drying oven, pass into argon and be sintered, sintering condition is as follows: at 500 DEG C of temperature, sinters 100min；It is warming up to 1200 DEG C, sinters 150min at such a temperature；It is warming up to 2000 DEG C, at such a temperature, sinters 150min。After vacuum drying oven cools down, take out the porous tantalum workpiece obtained。
Embodiment 3
Set up porous tantalum workpiece solid geometry model, and utilize computer to its layered shaping, obtain every layer of profile data handing over cross section and laser head scanning trajectory diagram data, and every layer of profile data handing over cross section and laser head scanning trajectory diagram data are imported laser head and control system。Being 0.09mm by thickness, the top of workbench delivered to by the purity tantalum foil material more than 99.5%。Laser head controls under system control at laser head, and cutting tantalum foil material is formed hands over cross section accordingly, the region that the friendship cross section of formation never needs to cuts down, and rejects unwanted waste material on current tantalum foil material。
The thickness of workbench one layer of tantalum foil material of decline, unprocessed tantalum foil material continuously moves to machining area, and hot-rolling pressing makes the tantalum foil material surface being positioned at machining area combine closely with cleaved tantalum foil material。Laser head controls under system control at laser head, continue that tantalum foil material is carried out cutting formation and hand over cross section accordingly, ensureing that the energy of cutting can not affect following one layer of tantalum foil material having cut formation and hand over cross section, workbench continues to move down the thickness of one layer of tantalum foil material simultaneously。Tantalum foil material repeats above-mentioned shift action, and laser head repeats above-mentioned cutting action and forms the 3D solid of required size to workpiece。Wherein, the power of lasing light emitter is 160W, and pulsewidth is 20.0ms, frequency be 100Hz, scanning speed is 180mm/min。
The 3D solid clamping that will be formed, clamping force >=10Mpa。After clamping, putting in vacuum drying oven, pass into argon and be sintered, sintering condition is as follows: at 500 DEG C of temperature, sinters 100min；It is warming up to 1200 DEG C, sinters 300min at such a temperature；It is warming up to 2300 DEG C, at such a temperature, sinters 300min。After vacuum drying oven cools down, take out the porous tantalum workpiece obtained。
In sum, the manufacture method of the porous tantalum workpiece of the present invention is passed through Optimizing Process Parameters, is accurately controlled cutting zone, controls pulsewidth, frequency, scanning speed, it is thus achieved that the porous tantalum thin slice of two dimension。And by piling up layer by layer, sintering obtains biological stephanoporate tantalum。The manufacture method of the present invention can apply to medical industry, and solves problem of environmental pollution when using powder to pile up layer by layer。
Additionally, in the manufacture method of the porous tantalum workpiece of the present invention, adopt laser instrument to carry out straight line and irradiate cutting tantalum foil material, rather than directly act on tantalum powder, thus the waste material processed is tantalum thin slice rather than powder so that the problem that waste recovery utilizes also is solved。
The manufacture method of the porous tantalum workpiece of the present invention is also equipped with that energy-controllable is high, processing heat affected area is narrow, working (machining) efficiency advantages of higher, can better adapt to vibration monitoring。
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms。Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention。
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that。
Claims (7)
1. the manufacture method of a porous tantalum workpiece, it is characterised in that the manufacture method of described porous tantalum workpiece comprises the steps:
S1. providing tantalum foil material, be cleaned processing to it, be wound on material roller by the tantalum foil material processed through cleaning, form material strip to be processed, wherein, the thickness of material strip is 0.03～0.09mm；
S2. the computer entity size according to porous tantalum workpiece to be manufactured, calculate porous tantalum workpiece every layer and hand over profile data and the laser head scanning trajectory diagram data in cross section, and these data are imported in laser head control system, wherein, every layer of thickness handing over cross section is 0.03～0.09mm；
S3. material strip moves to the top and laser head of workbench the machining area position of correspondence；
S4. control under the control of system at laser head, laser head is pointed to the material strip of machining area and is scanned cutting, it is thus achieved that tantalum foil synusia, after cutting, workbench moves down the thickness of a tantalum foil synusia；
S5. material strip to be processed continuously moves to machining area, and bonds with the tantalum foil synusia of acquisition in step S4；
S6. the height of the bond material strip to be processed got up and tantalum foil synusia is measured, and the altitude information of measurement is fed back to computer, computer, according to the altitude information received, calculates the profile data handing over cross section of correspondence, and is input to by this profile data in laser head control system；
S7. laser head control system determines the laser head scanning track data of correspondence according to the profile data of input, and the material strip to be processed of machining area it is positioned at according to the laser head scanning track data control laser head cutting determined, after cutting, workbench moves down the thickness of a tantalum foil synusia；
S8. repeat S5 to S7 step, cut out last layer to laser head and hand over cross section, form the 3D solid of workpiece；
S9. 3D solid is sintered, it is thus achieved that porous tantalum workpiece。
2. the manufacture method of porous tantalum workpiece according to claim 1, it is characterised in that described cleaning processes and includes: utilize acetone or anhydrous alcohol that tantalum foil material is carried out, dried for standby after cleaning。
3. the manufacture method of porous tantalum workpiece according to claim 1, it is characterized in that, described step S5 specifically includes: material strip to be processed continuously moves to machining area, hot-pressing roller is pointed to the material strip to be processed of machining area and back and forth rolls, and gets up with the tantalum foil synusia bonding by material strip to be processed with acquisition。
4. the manufacture method of porous tantalum workpiece according to claim 1, it is characterised in that the distance that material strip to be processed continues to move to is slightly larger than the distance of laser head cutting processing on material strip moving direction。
5. the manufacture method of porous tantalum workpiece according to claim 1, it is characterized in that, the output of the lasing light emitter of laser head is 30～160W, and pulse duration range is 0.3～20.0ms, frequency be 1～100Hz, scanning speed is 30～180mm/min, and the wavelength of lasing light emitter is 800-1064nm。
6. the manufacture method of porous tantalum workpiece according to claim 1, it is characterised in that described laser head controls under the control of system at laser head, carries out cutting also including according to scanning track data: tantalum foil material unnecessary in profile diagram is cut into grid。
7. the manufacture method of porous tantalum workpiece according to claim 1, it is characterized in that, before 3D solid is sintered, 3D solid is utilized clamp, clamping force is at least 10MPa, being put in vacuum drying oven by 3D solid and be sintered under the atmosphere of argon, sintering condition is: at room temperature～500 DEG C, sinters 100min；It is warming up to 1200 DEG C, sinters 100～300min at such a temperature；It is warming up to 1800～2300 DEG C, and sinters 100～300min at such a temperature。
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| CN106513991A (en) * | 2016-12-05 | 2017-03-22 | 苏州大学 | Laser welding method for foamed aluminum alloy plate |
| CN106847511B (en) * | 2017-02-14 | 2018-11-23 | 中国科学院合肥物质科学研究院 | A kind of high-ratio surface tantalum capacitor anodes tantalum foil and preparation method thereof |
| CN106910635A (en) * | 2017-02-24 | 2017-06-30 | 中国科学院合肥物质科学研究院 | A kind of orderly hole array anode tantalum foil for tantalum capacitor and preparation method thereof |
| CN110091174A (en) * | 2019-06-13 | 2019-08-06 | 苏州大学 | A kind of fully automatic electric machine stator assembling line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158787A (en) * | 1996-03-04 | 1997-09-10 | 精技私人有限公司 | Rapid prototyping system and method |
| WO1998022250A1 (en) * | 1996-11-21 | 1998-05-28 | Thaumaturge Pty. Limited | Improved object manufacture |
| CN1453748A (en) * | 2003-05-13 | 2003-11-05 | 中国医学科学院整形外科医院 | Digitized prepn of artificial implant for personalized facial plastics |
| CN101480753A (en) * | 2009-01-14 | 2009-07-15 | 深圳大学 | Rapid shaping method for manufacturing metal laminated solid mass |
| CN102409195A (en) * | 2011-12-02 | 2012-04-11 | 苏州大学 | Preparation method of porous tantalum and device applied to same |
| CN102910481A (en) * | 2012-10-10 | 2013-02-06 | 西安理工大学 | Fast former based on laser cutting of single piece of paper |
| CN203209918U (en) * | 2013-05-09 | 2013-09-25 | 南京铁道职业技术学院 | Laminated solid manufacturing device used for directly forming metal parts |
-
2014
- 2014-03-11 CN CN201410088043.XA patent/CN103862238B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158787A (en) * | 1996-03-04 | 1997-09-10 | 精技私人有限公司 | Rapid prototyping system and method |
| WO1998022250A1 (en) * | 1996-11-21 | 1998-05-28 | Thaumaturge Pty. Limited | Improved object manufacture |
| CN1453748A (en) * | 2003-05-13 | 2003-11-05 | 中国医学科学院整形外科医院 | Digitized prepn of artificial implant for personalized facial plastics |
| CN101480753A (en) * | 2009-01-14 | 2009-07-15 | 深圳大学 | Rapid shaping method for manufacturing metal laminated solid mass |
| CN102409195A (en) * | 2011-12-02 | 2012-04-11 | 苏州大学 | Preparation method of porous tantalum and device applied to same |
| CN102910481A (en) * | 2012-10-10 | 2013-02-06 | 西安理工大学 | Fast former based on laser cutting of single piece of paper |
| CN203209918U (en) * | 2013-05-09 | 2013-09-25 | 南京铁道职业技术学院 | Laminated solid manufacturing device used for directly forming metal parts |
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