CN104772569A - Laser impact micro forming device and micro forming process thereof of medical titanium alloy plate - Google Patents
Laser impact micro forming device and micro forming process thereof of medical titanium alloy plate Download PDFInfo
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- CN104772569A CN104772569A CN201510155990.0A CN201510155990A CN104772569A CN 104772569 A CN104772569 A CN 104772569A CN 201510155990 A CN201510155990 A CN 201510155990A CN 104772569 A CN104772569 A CN 104772569A
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0652—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising prisms
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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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/356—Working by laser beam, e.g. welding, cutting or boring for surface treatment by shock processing
Abstract
The invention discloses a laser impact micro forming device and a micro forming process thereof of a medical titanium alloy plate. Based on the existing laser impact micro forming device, the device part is additionally provided with a transparent material plate as a restraint layer and additionally provided with a detection system; in a micro forming process, by technical means of spraying a black paint layer on a titanium alloy plate to be micro-formed as an absorption layer and the like, the titanium alloy plate is suitable for the micro forming machining of the medical titanium alloy plate, micron order or sub micron order micro forming of the titanium alloy plate is realized, the micro forming quality is stable, reliable and high in precision; the wear resistance, corrosion resistance and fatigue damage resistance of the surface of the micro-formed titanium alloy plate are greatly improved, and the service life of a micro-formed finished product of the medical titanium alloy plate is greatly prolonged.
Description
Technical field
The present invention relates to a kind of laser-impact micro-forming device and microsecond delay technique thereof of metal material, particularly relate to a kind of the laser-impact micro-forming device and the microsecond delay technique thereof that are suitable for medical titanium alloy plate.
Background technology
In recent years, various biomedical material obtains development and application widely, the particularly titanium alloy investigation and application showed increased in biomedical sector.Titanium alloy has higher intensity and toughness, is applicable to the reparation of sclerous tissues and fixes.Wherein, Titanium alloy Ti-6Al-4V (TC4) has superior corrosion resistance, high specific strength and good biocompatibility because of it, be suitable for the features such as implantation and be widely used in biomedical sector.
But its case hardness of titanium alloy material itself is low, wear no resistance.And once the decay resistance of titanium alloy product is not high, the titanium alloy after excessive erosion, its vanadium contained will enter human body in the form of an ion, and then cause inflammation.Therefore, often need by means of technological means such as surface modifications, to improve the decay resistance of its product, to meet the application needs of medical domain.
Chinese patent application CN1128689C discloses a kind of laser-impact accurate forming method and device, it utilizes intense pulse laser bcam to impact surface of the work flexible lamina, gasified in its top layer ionize and form shock wave, because the shock wave pressure peak value produced exceedes the dynamic yield strength of material, thus make workpiece material plastic deformation.
Technique scheme is that metal forming provides a good technical thought, but it also exists many weak points, such as:
1, in its Laser Shock Forming Process, impulsive force is Gaussian Profile, inevitably, shaping will be caused uneven, and then affect machining accuracy and the uniformity of material surface;
2, in fact, in Laser Shock Forming Process, the material deformation amount of each shock point position certainly exists difference to a certain degree, and in the Laser Shock Forming Process of technique scheme, its laser intensity is constant all the time, and this constrains the reliability and stability of its forming accuracy further.
Summary of the invention
An object of the present invention is to provide one and is suitable for medical titanium alloy plate micron order and shapes, and shapes steady quality reliable, the laser-impact micro-forming device of the medical titanium alloy plate that the titanium alloy surface wearability after being processed into can be improved.
The technical scheme that the present invention adopts for achieving the above object is, a kind of laser-impact micro-forming device of medical titanium alloy plate, comprises computer, numerical control table, NC table, laser instrument, light path guidance system and die assembly; Wherein:
Numerical control table, NC table is arranged on the workbench of forcing press, becomes slidably to be connected with press bench, moves, numerical control table, NC table is also provided with fixture along the slide rail be arranged on press bench;
Described die assembly comprises edge-pressing board and die body;
Described light path guidance system comprises prism, collimater, laser-impact head and focus lamp;
Described laser instrument is arranged on directly over described die body, for Emission Lasers bundle, this laser beam enters light path guidance system, laser-impact head is entered through the first prism, collimater after elder generation, incoming laser beam reflects by the second prism be arranged in laser-impact head, line focus mirror focusing again, inject in die, for laser-impact microsecond delay; Wherein, laser-impact head orientation can around described die carry out all around with any adjustment in upper and lower orientation;
Described computer is the control centre of laser-impact micro-forming device, for controlling the size of the laser beam power density that laser instrument is launched and controlling laser-impact head and numerical control table, NC table and move;
It is characterized in that, also include a detection system, described detection system comprises synchrotron radiation light source, detector, pulse amplifier, pulse-height analyzer sum counter;
Described synchrotron radiation optical light source and detector one the first from left right side is separately positioned on the top position place of described die body both sides, respectively as emitter and the receiving system of detection laser;
Pulse amplifier, pulse-height analyzer, counter are connected in series by data wire by described detector successively, and are finally connected with described computer communication;
Operational analysis is carried out by the signal transported described detection system by described computer, and according to operational analysis result, dynamic conditioning is carried out to the laser beam power density size that laser instrument is launched in good time, be in perfect condition all the time to make the duty of laser-impact microsecond delay;
During above-mentioned laser-impact micro-forming device work, treat that the titanium alloy sheet of microsecond delay is placed on described die, to be processed of described titanium alloy sheet being coated with a layer thickness is 30-60 μm pitch-dark, this pitch-dark layer, adds a cover the plate that the thick transparent material being used as restraint layer of lastblock 1.5-2mm is made upward again above it; The size of described plate is greater than or equal to the size of described titanium alloy sheet, and to be processed entirety of described titanium alloy sheet covers by described plate;
Above-mentioned titanium alloy sheet and restraint layer are pushed down by described edge-pressing board, are assembled by described die assembly, the die assembly assembled by holder, be fixed on described numerical control table, NC table.
The technique effect that technique scheme is directly brought is, by on the laser-impact micro-forming device basis of prior art, by increasing detection system, spraying pitch-dark layer (as absorbed layer) on the titanium alloy sheet treating microsecond delay, and on the titanium alloy sheet treating microsecond delay, add a cover plate that layer of transparent material makes as series technique means such as absorbed layers, it is made to be applicable to the micro-forming of medical titanium alloy plate, and achieve the micron order of titanium alloy sheet or even the microsecond delay of submicron order, its microsecond delay quality stable, reliable, precision is high.
For understanding above-mentioned technical characterstic better, existing brief analysis, illustrate as follows:
1, in technique scheme, by treating that the titanium alloy sheet of microsecond delay sprays the pitch-dark layer forming one deck 30-60 micron thickness on the surface, utilize this pitch-dark layer as absorbed layer, make the plasma that laser blast wave produces at absorbed layer, to shield laser thermal effect, thus the fire damage that effectively prevent processing work face, and the pressure peak of shock wave can be increased.
The object of 2, setting up restraint layer is, foregoing absorbed layer is subject to the plasma that induced with laser produces HTHP, plasma sharply expands and explodes and will produce strong shock wave, by this restraint layer plasma sharply can be expanded blast produce strong shock wave stop, form reverse impact ripple, produce the pressure up to the GPa order of magnitude, this reverse impact wave pressure is to workpiece surface and interior tissue (when the pressure that this reverse impact ripple produces exceedes the dynamic yield stress value of workpiece, will produce plastic deformation at material surface);
What is more important, thisly integrate titanium alloy sheet microsecond delay and compound forming technique to titanium alloy sheet surface peening, not only ensure that the quality of microsecond delay, and titanium alloy sheet material surface energy enough forms residual compressive stress layer after microsecond delay, and make surface microscopic even tissue and the refinement of titanium alloy sheet, thus significantly improve the wearability on the titanium alloy sheet surface after microsecond delay, corrosion resistance and fatigue life.
Be not difficult to find out, above-mentioned 1 and 2, the present invention is on the basis of prior-art devices just, realizes the key problem in technology to medical titanium alloy plate microsecond delay.
3, in technique scheme, by setting up detection system and being connected the utilization of this technological means with computer communication, to make laser-impact micro-forming device in microsecond delay process, operational analysis is carried out by the signal transported detection system by computer, and according to operational analysis, dynamic conditioning is carried out to the laser beam power density size that laser instrument is launched in good time, to make the duty of laser-impact microsecond delay be in perfect condition all the time, thus ensure that the stable and reliable of laser-impact microsecond delay quality.In good time dynamic conditioning under concrete testing process and computer control is:
Impacting in pointwise shapes in process, detection system projects on the surface of titanium alloy sheet by the incoming laser beam that synchrotron radiation light source sends, reflects laser is received by detector, and be converted to electric pulse, electric pulse is amplified in pulse-height analyzer through amplifier, and being converted to signal pulse, signal pulse is sent to after in counter, then sends into the operational analysis carrying out error and parameters revision in computer; Machine operational analysis result as calculated, the analysis result of surface of the work incident laser point and this theory deformation value are compared, according to comparison result, analyze and draw the required laser-impact energy value next time processing this position, and control the laser beam energy value that sends needed for laser instrument processing next some position, meanwhile, computer controls numerical control table, NC table and laser-impact head moves to next shock point position, carries out the impact forging of this point.
Can find out, above-mentioned 3, ensure that the Stability and dependability of the micro-forming quality of medical titanium alloy plate.
Be preferably, the plate that above-mentioned transparent material is made is lucite or quartz glass plate.
The technique effect that this optimal technical scheme is directly brought is, draws materials conveniently, with low cost.In theory, the container of the hexahedral shape that transparent material can also be adopted to produce, is full of distilled water and substitutes in container, but similar this mode, its process is complicated, high expensive.
Further preferably, the thickness of above-mentioned pitch-dark layer is 50 μm.
The technique effect that this optimal technical scheme is directly brought is, actual use experience shows, when the thickness of pitch-dark layer is 50 μm, best to the shield effectiveness of laser thermal effect.
Two of object of the present invention is, provides a kind of forming technology of laser-impact micro-forming device of above-mentioned medical titanium alloy plate, its have easy and simple to handle, forming accuracy is high, and can improve the features such as the wearability on the titanium alloy sheet surface after shaping.
The technical scheme that the present invention is adopted for achieving the above object is, a kind of microsecond delay technique utilizing the laser-impact micro-forming device of above-mentioned medical titanium alloy plate, is characterized in that, comprise the following steps:
Thickness is that the medical titanium alloy plate blank material of 30 ~ 60 μm is cut to the size being less than or equal to die body by the first step, through polishing, mirror finish, to surface roughness≤0.06 μm, then after alignment, makes the titanium alloy sheet treating microsecond delay;
On one of them a surface, two surfaces up and down of above-mentioned titanium alloy sheet even application pitch-dark, naturally dry, again spray pitch-dark, again naturally dry; Repeat above-mentioned spraying pitch-dark with naturally dry operation, until the thickness of the pitch-dark layer of titanium alloy sheet upper surface reaches 30-60 μm;
The titanium alloy sheet being coated with pitch-dark layer is placed on die, that being coated with pitch-dark layer is faced up, the plate covering the transparent material as restraint layer and make is added above it, push down with edge-pressing board again, assembled by die assembly, the die assembly assembled is by holder and be fixed on described numerical control table, NC table;
Second step, start laser instrument, by laser instrument produce laser beam pulses width modulated be 5ns ~ 15ns, make laser beam through light path guidance system irradiation to treat microsecond delay titanium alloy sheet treat on the surface of microsecond delay;
3rd step, under control of the computer, the position of adjustment numerical control table, NC table and laser-impact head, the original position point of required impact forging to the surface for the treatment of microsecond delay of laser-impact head aligning titanium alloy sheet;
Regulate laser instrument, be greater than 10 to produce power density
8w/cm
2intense pulse laser bcam, on the surface for the treatment of microsecond delay utilizing this intense pulse laser bcam to impact titanium alloy sheet by laser-impact head, the original position point of required impact forging, makes titanium alloy sheet generation plastic deformation, completes the impact forging of this location point;
Under control of the computer, the shock point position distribution of follow procedure setting, constantly adjust the position of numerical control table, NC table and laser-impact head in order, successively laser-impact head aim at titanium alloy sheet the surface for the treatment of microsecond delay on the next location point of required impact forging, carry out pointwise impact to shape, until terminate;
4th step, closes laser instrument, unclamps fixture and also take out the titanium alloy sheet shaped, be placed in acetone soln and soak, residual pitch-dark to remove; Then, cleaned with absolute ethyl alcohol.
The technique effect that technique scheme is directly brought is, forming accuracy is that micron order even can reach submicron order,
In sum, the present invention, relative to prior art, has following beneficial effect:
1, structure is simple, easy and simple to handle;
2, the quality stability of medical titanium alloy plate microsecond delay is good, reliability is high;
3, significantly can improve the ability of the wearability on the titanium alloy sheet surface after microsecond delay, corrosion resistance and antifatigue damage, and then significantly improve the service life of medical titanium alloy board finished product.
Accompanying drawing explanation
Fig. 1 is aufbauprinciple schematic diagram of the present invention;
Fig. 2 is operation principle schematic diagram of the present invention.
Description of reference numerals: 1-synchrotron radiation light source, 2-laser instrument, 3-collimater, 4-second prism, 5-focus lamp, 6-detector, 7-amplifier, 8-pulse-height analyzer, 9-counter, 10-edge-pressing board, 11-restraint layer, the pitch-dark layer of 12-(absorbed layer), 13-titanium alloy sheet, 14-plasma stock wave, 15-numerical control table, NC table, 16-die body, 17-computer, 18-fixture, 19-laser-impact head, 20-first prism, 21-pulse laser beam, 22-plate (restraint layer), 23-plasma.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As depicted in figs. 1 and 2, the laser-impact micro-forming device of medical titanium alloy plate of the present invention, comprises computer (omitting not shown in figure), numerical control table, NC table 15, laser instrument 2, light path guidance system and die assembly; Wherein:
Numerical control table, NC table 15 is arranged on the workbench of forcing press, becomes slidably to be connected with press bench, moves, numerical control table, NC table is also provided with fixture 18 along the slide rail be arranged on press bench;
Above-mentioned die assembly comprises edge-pressing board 10 and die body 16;
Above-mentioned light path guidance system comprises the first prism 20, collimater 3, laser-impact head 19 and focus lamp 5;
Above-mentioned laser instrument 2 is arranged on directly over die body 16, for Emission Lasers bundle, this laser beam enters light path guidance system, laser-impact head 19 is entered through the first prism 20, collimater 3 after elder generation, incoming laser beam reflection, again line focus mirror 5 focus on by the second prism 4 be arranged in laser-impact head, forming pulse laser beam 21 injects in die body 16, for laser-impact microsecond delay; Wherein, above-mentioned laser-impact head orientation can around die body carry out all around with any adjustment in upper and lower orientation;
Above computer is the control centre of laser-impact micro-forming device, for controlling the size of the laser beam power density that laser instrument is launched and controlling laser-impact head and numerical control table, NC table and move;
The laser-impact micro-forming device of above-mentioned medical titanium alloy plate, also includes a detection system, and said detecting system comprises synchrotron radiation light source 1, detector 6, pulse amplifier 7, pulse-height analyzer 8 sum counter 9;
Above-mentioned synchrotron radiation light source 1 is separately positioned on the top position place of above-mentioned die body both sides, respectively as emitter and the receiving system of detection laser with detector 6 one the first from left right side;
Pulse amplifier 7, pulse-height analyzer 8, counter 9 are connected in series by data wire by above-mentioned detector 6 successively, and are finally connected with above computer communication;
Operational analysis is carried out by the signal transported said detecting system by above computer, and according to operational analysis, dynamic conditioning is carried out to the laser beam power density size that laser instrument is launched in good time, be in perfect condition all the time to make the duty of laser-impact microsecond delay;
During above-mentioned laser-impact micro-forming device work, treat that the titanium alloy sheet 13 of microsecond delay is placed on above-mentioned die body 16, to be processed of above-mentioned titanium alloy sheet 13 being coated with a layer thickness is 30-60 μm pitch-dark, this pitch-dark layer 12, adds a cover the plate 11 that the thick transparent material being used as restraint layer of lastblock 1.5-2mm is made upward again above it;
The size of above-mentioned plate is greater than or equal to the size of above-mentioned titanium alloy sheet, and to be processed entirety of titanium alloy sheet covers by this plate 11;
Above-mentioned titanium alloy sheet and plate 11 are pushed down by above-mentioned edge-pressing board, are assembled by above-mentioned die assembly, the die assembly assembled by holder, be fixed on above-mentioned numerical control table, NC table.
The plate that above-mentioned transparent material is made is preferably lucite plate or quartz glass plate.
The thickness of above-mentioned pitch-dark layer is preferably 50 μm.
For understanding the present invention better, the existing forming technology further describing the laser-impact micro-forming device utilizing medical titanium alloy plate as above-mentioned in claim 1.
Its microsecond delay processing step is as follows:
Thickness is that the medical titanium alloy plate blank material of 30 ~ 60 μm is cut to the size being less than or equal to die body by the first step, through polishing, mirror finish, to surface roughness≤0.06 μm, then after alignment, makes the titanium alloy sheet treating microsecond delay;
On one of them a surface, two surfaces up and down of above-mentioned titanium alloy sheet even application pitch-dark, naturally dry, again spray pitch-dark, again naturally dry; Repeat above-mentioned spraying pitch-dark with naturally dry operation, until the thickness of the pitch-dark layer 12 of titanium alloy sheet upper surface reaches 30-60 μm;
The titanium alloy sheet being coated with pitch-dark layer is placed on die body 16, that being coated with pitch-dark layer is faced up, the plate 11 covering the transparent material as restraint layer and make is added above it, push down with edge-pressing board again, assembled by die assembly, the die assembly assembled is by holder and be fixed on above-mentioned numerical control table, NC table 15;
Second step, start laser instrument, by laser instrument produce laser beam pulses width modulated be 5ns ~ 15ns, make laser beam through light path guidance system irradiation to treat microsecond delay titanium alloy sheet 13 treat on the surface of microsecond delay;
3rd step, under control of the computer, adjustment numerical control table, NC table 15 and the position of laser-impact head 19, the original position point of required impact forging on the surface for the treatment of microsecond delay aiming at titanium alloy sheet 13 to laser-impact head 19;
Regulate laser instrument, be greater than 10 to produce power density
8w/cm
2intense pulse laser bcam, on the surface for the treatment of microsecond delay utilizing this intense pulse laser bcam to impact titanium alloy sheet 13 by laser-impact head 19, the original position point of required impact forging, makes titanium alloy sheet generation plastic deformation, completes the impact forging of this location point;
Under control of the computer, the shock point position distribution of follow procedure setting, constantly adjust the position of numerical control table, NC table 15 and laser-impact head 19 in order, the next location point of required impact forging on the surface for the treatment of microsecond delay that laser-impact head 19 aims at titanium alloy sheet 13 successively, carry out pointwise impact to shape, until terminate;
4th step, closes laser instrument, unclamps fixture and also take out the titanium alloy sheet shaped, be placed in acetone soln and soak, residual pitch-dark to remove; Then, cleaned with absolute ethyl alcohol.
As shown in Figure 2, the operation principle of the laser-impact micro-forming device of above-mentioned medical titanium alloy plate is:
Pulse laser beam 21 after focus lamp 5 focuses on is radiated on pitch-dark layer 12 (absorbed layer), blasting property of absorbed layer gas will be made, and form plasma stock wave, restraint layer 11 now above absorbed layer is by the diffusion of confining plasma 23, and stopped the plasma stock wave 14 that formation is reverse, produce the pressure up to the GPa order of magnitude, when pressure exceedes the dynamic yield stress value of titanium alloy sheet 13, the surface of titanium alloy material will produce plastic deformation, thus realize microsecond delay under the effect of concave template.
Claims (4)
1. a laser-impact micro-forming device for medical titanium alloy plate, comprises computer, numerical control table, NC table, laser instrument, light path guidance system and die assembly; Wherein:
Numerical control table, NC table is arranged on the workbench of forcing press, becomes slidably to be connected with press bench, moves, numerical control table, NC table is also provided with fixture along the slide rail be arranged on press bench;
Described die assembly comprises edge-pressing board and die body;
Described light path guidance system comprises prism, collimater, laser-impact head and focus lamp;
Described laser instrument is arranged on directly over described die body, for Emission Lasers bundle, this laser beam enters light path guidance system, laser-impact head is entered through the first prism, collimater after elder generation, incoming laser beam reflects by the second prism be arranged in laser-impact head, line focus mirror focusing again, inject in die, for laser-impact microsecond delay; Wherein, laser-impact head orientation can around described die carry out all around with any adjustment in upper and lower orientation;
Described computer is the control centre of laser-impact micro-forming device, for controlling the size of the laser beam power density that laser instrument is launched and controlling laser-impact head and numerical control table, NC table and move;
It is characterized in that, also include a detection system, described detection system comprises synchrotron radiation light source, detector, pulse amplifier, pulse-height analyzer sum counter;
Described synchrotron radiation optical light source and detector one the first from left right side is separately positioned on the top position place of described die body both sides, respectively as emitter and the receiving system of detection laser;
Pulse amplifier, pulse-height analyzer, counter are connected in series by data wire by described detector successively, and are finally connected with described computer communication;
Operational analysis is carried out by the signal transported described detection system by described computer, and according to operational analysis result, dynamic conditioning is carried out to the laser beam power density size that laser instrument is launched in good time, be in perfect condition all the time to make the duty of laser-impact microsecond delay;
During above-mentioned laser-impact micro-forming device work, treat that the titanium alloy sheet of microsecond delay is placed on described die, to be processed of described titanium alloy sheet being coated with a layer thickness is 30-60 μm pitch-dark, this pitch-dark layer, adds a cover the plate that the thick transparent material being used as restraint layer of lastblock 1.5-2mm is made upward again above it; The size of described plate is greater than or equal to the size of described titanium alloy sheet, and to be processed entirety of described titanium alloy sheet covers by described plate;
Above-mentioned titanium alloy sheet and restraint layer are pushed down by described edge-pressing board, are assembled by described die assembly, the die assembly assembled by holder, be fixed on described numerical control table, NC table.
2. the forming technology of the laser-impact micro-forming device of medical titanium alloy plate according to claim 1, is characterized in that, the plate that described transparent material is made is lucite plate or quartz glass plate.
3. the forming technology of the laser-impact micro-forming device of medical titanium alloy plate according to claim 1, is characterized in that, the thickness of described pitch-dark layer is 50 μm.
4. utilize a microsecond delay technique for the laser-impact micro-forming device of medical titanium alloy plate as claimed in claim 1, it is characterized in that, comprise the following steps:
Thickness is that the medical titanium alloy plate blank material of 30 ~ 60 μm is cut to the size being less than or equal to die body by the first step, through polishing, mirror finish, to surface roughness≤0.06 μm, then after alignment, makes the titanium alloy sheet treating microsecond delay;
On one of them a surface, two surfaces up and down of above-mentioned titanium alloy sheet even application pitch-dark, naturally dry, again spray pitch-dark, again naturally dry; Repeat above-mentioned spraying pitch-dark with naturally dry operation, until the thickness of the pitch-dark layer of titanium alloy sheet upper surface reaches 30-60 μm;
The titanium alloy sheet being coated with pitch-dark layer is placed on die, that being coated with pitch-dark layer is faced up, the plate covering the transparent material as restraint layer and make is added above it, push down with edge-pressing board again, assembled by die assembly, the die assembly assembled is by holder and be fixed on described numerical control table, NC table;
Second step, start laser instrument, by laser instrument produce laser beam pulses width modulated be 5ns ~ 15ns, make laser beam through light path guidance system irradiation to treat microsecond delay titanium alloy sheet treat on the surface of microsecond delay;
3rd step, under control of the computer, the position of adjustment numerical control table, NC table and laser-impact head, the original position point of required impact forging to the surface for the treatment of microsecond delay of laser-impact head aligning titanium alloy sheet;
Regulate laser instrument, be greater than 10 to produce power density
8w/cm
2intense pulse laser bcam, on the surface for the treatment of microsecond delay utilizing this intense pulse laser bcam to impact titanium alloy sheet by laser-impact head, the original position point of required impact forging, makes titanium alloy sheet generation plastic deformation, completes the impact forging of this location point;
Under control of the computer, the shock point position distribution of follow procedure setting, constantly adjust the position of numerical control table, NC table and laser-impact head in order, successively laser-impact head aim at titanium alloy sheet the surface for the treatment of microsecond delay on the next location point of required impact forging, carry out pointwise impact to shape, until terminate;
4th step, closes laser instrument, unclamps fixture and also take out the titanium alloy sheet shaped, be placed in acetone soln and soak, residual pitch-dark to remove; Then, cleaned with absolute ethyl alcohol.
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| CN201510155990.0A CN104772569B (en) | 2015-04-03 | 2015-04-03 | The laser-impact micro-forming device and its microsecond delay technique of a kind of medical titanium alloy plate |
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| CN201510155990.0A CN104772569B (en) | 2015-04-03 | 2015-04-03 | The laser-impact micro-forming device and its microsecond delay technique of a kind of medical titanium alloy plate |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1145797A2 (en) * | 2000-03-31 | 2001-10-17 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus using laser pulses to make an array of microcavity holes |
| CN1554510A (en) * | 2003-12-26 | 2004-12-15 | 华中科技大学 | Laser-high frequency induction composite welder and its method |
| US20070039933A1 (en) * | 2005-08-18 | 2007-02-22 | Cheng Gary J | System and method of laser dynamic forming |
| CN201070823Y (en) * | 2007-05-21 | 2008-06-11 | 江苏大学 | Minisize plastic shaping apparatus based on laser process |
| CN101745740A (en) * | 2009-12-23 | 2010-06-23 | 江苏大学 | Metal plate material ring-shaped light spot laser impact forming method and device |
| CN102009268A (en) * | 2010-10-12 | 2011-04-13 | 江苏大学 | Laser indirect compound micro plastic forming device and method |
| CN102029317A (en) * | 2010-10-12 | 2011-04-27 | 江苏大学 | Laser direct-compounding micro-plastic forming device and method |
| CN102513696A (en) * | 2011-12-06 | 2012-06-27 | 江苏大学 | Micro forming method for indirectly impacting soft mold by laser and special device thereof |
| CN102527813A (en) * | 2012-03-06 | 2012-07-04 | 苏州科技学院 | Device and method for laser micro shock dieless forming |
-
2015
- 2015-04-03 CN CN201510155990.0A patent/CN104772569B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1145797A2 (en) * | 2000-03-31 | 2001-10-17 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus using laser pulses to make an array of microcavity holes |
| CN1554510A (en) * | 2003-12-26 | 2004-12-15 | 华中科技大学 | Laser-high frequency induction composite welder and its method |
| US20070039933A1 (en) * | 2005-08-18 | 2007-02-22 | Cheng Gary J | System and method of laser dynamic forming |
| CN201070823Y (en) * | 2007-05-21 | 2008-06-11 | 江苏大学 | Minisize plastic shaping apparatus based on laser process |
| CN101745740A (en) * | 2009-12-23 | 2010-06-23 | 江苏大学 | Metal plate material ring-shaped light spot laser impact forming method and device |
| CN102009268A (en) * | 2010-10-12 | 2011-04-13 | 江苏大学 | Laser indirect compound micro plastic forming device and method |
| CN102029317A (en) * | 2010-10-12 | 2011-04-27 | 江苏大学 | Laser direct-compounding micro-plastic forming device and method |
| CN102513696A (en) * | 2011-12-06 | 2012-06-27 | 江苏大学 | Micro forming method for indirectly impacting soft mold by laser and special device thereof |
| CN102527813A (en) * | 2012-03-06 | 2012-07-04 | 苏州科技学院 | Device and method for laser micro shock dieless forming |
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| CN114603252A (en) * | 2022-03-29 | 2022-06-10 | 江苏大学 | Method and device for assisting laser shock micro-forming by medium-frequency electromagnetic induction heating |
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| CN117300394A (en) * | 2023-11-28 | 2023-12-29 | 武汉铱科赛科技有限公司 | Laser blind hole drilling method, device, apparatus and system |
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