CN106141425B - The laser shot forming precision dynamic adaptive controller of robotic gripper sheet metal - Google Patents
The laser shot forming precision dynamic adaptive controller of robotic gripper sheet metal Download PDFInfo
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- CN106141425B CN106141425B CN201610624891.7A CN201610624891A CN106141425B CN 106141425 B CN106141425 B CN 106141425B CN 201610624891 A CN201610624891 A CN 201610624891A CN 106141425 B CN106141425 B CN 106141425B
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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
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to mechanical manufacturing field, and in particular to a kind of metal blank laser shot forming precision dynamic adaptive controller based on robot arm motion.It, which is formed, mainly laser 1, guide-lighting and outer optical path adjusting system 2, impact laser head 3, frock clamp kinematic system 4, restraint layer spraying system 5, dynamic optical monitoring system 6 and above-mentioned control system, the central grade of integrated control system 7 composition.Its manufacturing process is characterised by being transferred to 3 in laser-impact head with outer optical path adjusting system 2 by guide-lighting by the laser beam that laser 1 is sent, light beam, which is adjusted, is transferred to clamping on the surface of metal blank 18 of frock clamp kinematic system 4, the bead blasted surfaces of metal blank 18 are covered with the restraint layer of the manufacture of restraint layer spraying system 5, energy-absorbing layer 22 absorbs induced with laser and produces shock wave in panel surface, and metal blank 18 is produced quickly plastic deformation or stress release shaping.The present invention can realize that 3 D stereo impacts, and can carry out the complicated shaping of big plate, can carry out local micro-forming again, can be achieved quantitative Accurate Shaping, reproducible, easily realize automated production.
Description
Technical field
The present invention relates to mechanical manufacturing field, and in particular to a kind of metal blank laser spray based on robot arm motion
Ball forming accuracy dynamic self-adapting control method and device.The device is applied to the shaping of metal blank, particularly suitable for routine
The material forming that method is difficult to shape or can not shaped at all, such as structural steel, admire alloy, composite, it can also be used to rod member,
The school shape of housing thin-wall part.
Background technology
Metal blank plastic molding method is a lot, including stamping, contour peening, explosive forming, digitlization it is progressive into
Shape, non-mould multi-point forming etc..Most traditional and common press-processing method, its shortcoming are die cost height, and the production cycle is grown, and
And can only be to low-carbon thin plate (such as 1Cr18Ni9Ti, 10F, 20), aluminium alloy (such as LY12M, LY12C) and red copper and portion
Divide brass, due to the influence of strained rate, forming limit is restricted.In dynamic plasticity manufacturing process contour peening and blast into
Shape is the most typical, and wherein contour peening is to utilize shot high speed impact material surface, workpiece is produced Plastic Forming.Its advantage is
Certain depth distribution residual compressive stress can be formed in material surface, improve the anti-fatigue performance of workpiece, shortcoming is workpiece surface
Become coarse due to the percussion of shot, and impact process is related to parameter and excessively is difficult to accurately control；Explosive forming is
By high explosives explode caused by shock wave shape, it is dangerous huge, and be unable to Accurate Shaping.
Patent " the CONTOUR FORMIMG OF of California, USA university HACKELL LOYD and HARRIS FRITZ applications
METALS BY LASER the PEENING " (patent No.s:WO0105549), proposition is produced remaining with laser hammering sheet metal surface
Stress, residual stress release is recycled to produce the Light deformation shaping that micro- curvature is carried out, the micro- curvature hammered every time by each point
Accumulation implements repeat impact in same point, so that it may obtains larger sized bending.Embodiment is:First in metal material
One layer of laser energy-absorbing layer is fixed on material surface, and it is made up of polyvinyl acetate plastics and igelite, then in energy
The water that amount absorbs layer surface by the use of 1mm thickness is used as inertial confinement layer.With 60-200J/cm of Energy distribution2, pulse width 10ns-
Laser beam caused by 20ns high-power neodymium laser facility (1.06 μm of wavelength) hammers the energy-absorbing layer of metal surface, energy
Amount absorbed layer produces plasma after absorbing laser.Plasma blast 10,000-100,000 barometric pressure ranges of generation
Surge, this makes surge exceed the elastic limit of metal, so that metal material surface forms layer depth more than 1mm's
Compressive stress layer.Stress makes metal surface produce strain, causes metal to produce flexural deformation.This method is caused by hammering point by point
Stress distribution controls the bending of large area, and this is difficult accurately to control in actual applications.Jiangsu University Zhang Yongkang et al. applies
Patent of invention " a kind of laser-impact accurate forming method and device " (patent authorization number:), ZL01134063.0 strong arteries and veins is utilized
(power density is more than 1GW/cm to laser beam2, pulse width 8-30ns) impact workpiece surface flexible lamina, make its top layer gas
Change and ionize and form shock wave, make moulding material that obvious plastic deformation occur, this is macroscopic material deformation, then by rushing point by point
Hit and obtain large area complicated shape with the distribution of orderly shock point.This method moulding material includes metal, composite, plastics etc.
Multiple material；Local bulging, bending, stretching, plate smoothing, rod member alignment school song can be carried out to workpiece, is a variety of shaping sides of collection
Formula be integrated without mould complexity manufacturing process.Because this method needs each point impulsive force (i.e. every point by controlling laser-impact
Technological parameter it is different, such as pulsed laser energy, beam diameter, repetition rate) and the accurate workpiece wheel of impact path acquisition
Exterior feature, because the technological parameter of each point is different, it is very difficult to the technological parameter by adjusting each point reaches accurate each point impulsive force, and
And the efficiency of shaping can be caused to reduce.A kind of Zhang Yongkang et al. another application patent of invention " swashing based on liquid crystal mask technology
Light fine machining method and device " (number of patent application:200510094160.8), then by the use of LCDs as mask, by
Laser generator control device controls laser generator laser pulse as caused by the parameter optimized, is irradiated to through beam-expanding system
On liquid crystal display, liquid crystal screen display image position blocking laser is by making to turn into by the laser beam after display screen and display screen
Image is irradiated to workpiece surface and ablation goes out required figure pit, it is using only into the hollow out figure hot spot of inverse relation
Micro processing field, and the figure pit meeting crack initiation gone out by laser ablation are limited to, is potential tired source.
A kind of patent of invention " sheet material double face precise forming based on laser blast wave effect of Jiang Yin side of Jiangsu University application
Method and device " (patent publication No.：CN 101249588A), this method is impacted using double-sided laser, by changing laser energy
The laser parameters such as amount, beam diameter, repetition rate adjust the size of surge, are respectively rushed simultaneously by laser dislocation impact
The positive and negative surface of workpiece concave and convex is hit, by adjusting the position of workpiece, the movement locus of two laser-impact heads is controlled, it is recessed to complete workpiece
The Plastic Forming of convex fine structure shape, and all form residual compressive stress on workpiece two sides.From the point of view of sheet metal deformation mode is realized,
This method has the features such as efficiency high, use range is wide.But the positive and negative surface of workpiece of this method is both needed to the flexible lamina composition that is sticked
Transparent restraint layer and the energy-absorbing layer composition of integral type, during in particular by flowing water as transparent restraint layer, this will be unfavorable for
The deformation of detection feedback system dynamic monitoring plate, realizes Real-time and Dynamic Detection.
The content of the invention
It is an object of the invention to provide one kind can overcome disadvantages mentioned above, can be achieved to make various common metal moulding materials, special
It is not the laser shot forming precision dynamic adaptive controller that conventional method is difficult to shape.
The present invention is achieved through the following technical solutions:
It is by laser, guide-lighting and outer optical path adjusting system, frock clamp kinematic system, restraint layer spraying system, impact
Laser head, dynamic optical monitoring system, integrated control system etc. form.Guide-lighting and outer light is passed through by the laser beam that laser is sent
Road regulating system is transferred in laser-impact head, and light beam is adjusted the metallic plate for being transferred to clamping in frock clamp kinematic system
Expect surface, metal blank bead blasted surfaces are covered with the restraint layer of restraint layer spraying system manufacture, and energy-absorbing layer absorbs laser and lured
Artificial delivery gives birth to shock wave in panel surface, and metal blank is produced quick Plastic Forming or the small curvature of residual stress release
Shaping.
Laser peening plate front scribbles energy-absorbing layer in uniform thickness, and back side spraying is a kind of to be used to realize dynamic optical
The developer of monitoring system monitoring, developer form densely covered tiny microdot and are distributed in backside surface in plate.Plate produces
During deformation, because the relative position and stress state of developer microdot particle can change at the moment, this change is directly reacted
The dynamic changing process of the ess-strain of panel surface, while the development profile of developer also directly reflects the deformation of plate
The size of journey and deflection.
Dynamic optical monitoring system is made up of two strong light searchlights and two high speed video systems.When being monitored,
The highlighted light irradiation for visiting lamp transmitting is occurred unrestrained anti-in plate backside surface, metal blank back side developer microdot by strong illumination
Penetrate, a portion reflected light is caught by high speed video system, in forming process, forms dynamic stress and strain and dynamic deformation
The information of process.Dynamic optical monitoring system is by this feedback of the information to integrated control system, by adjusting relevant parameter, realizes dynamic
State monitors and the precision dynamic Self Adaptive Control of plate contour peening.
According to the monitoring of dynamic optical detecting system and feedback, by changing laser pulse width, energy, beam diameter, repetition
The laser parameters such as frequency adjust the size of surge, by controlling the size of impact position and each point impulsive force, can be achieved
The Accurate Shaping of plate.
Its building mortion is characterised by that frock clamp kinematic system is made up of robot arm, clamping fixture seat, and clamping fixture seat can
Different fixtures is changed according to the different sizes of shaping plate, forming mode.Fixture method of clamping can be divided into unilateral clamping, bilateral
The plurality of classes such as clamping, surrounding clamping.Frock clamp kinematic system cooperates with restraint layer spraying system, meets diverse location
The needs of shot-peening.
It is provided with the laser-impact head of laser shot forming precision dynamic adaptive controller and focuses on microscope group, it includes poly-
Jiao Jing, rotatable mirror, prism etc..By adjusting each optical element in laser-impact head, can be achieved to spot size and
The adjustment of focal length.
The present invention proposes a kind of metal blank laser shot forming precision dynamic adaptive control technology, and it utilizes flash
(power density is more than 10 to laser beam9W/cm2, pulse width 8-30ns) and irradiation workpiece surface absorbed layer, make the gasification ionization of its top layer
And shock wave is formed, act on plate.Related Impulse parameter is adjusted by the way that dynamic monitoring system feedback is adaptive in time, realizes plate
Expect positive Plastic Forming and the small curvature defomation of surface residual stress releasing reverse, be distributed by impacting point by point with orderly shock point
Obtain large area complicated shape.This method can be effectively more to metal material, inorganic material, high polymer material and composite etc.
Kind material carries out local bulging, bending, stretching, plate smoothing, rod member alignment school song, is the nothing for integrating a variety of forming modes
The complicated shaping of mould.
The present invention has following technical advantage:
(1) present invention has the double characteristic of the shaping of impact plastic deformation and stress field shaping concurrently, can according to blank shape and
The requirement of shaping law, impact parameter and conversion shock point position are adjusted by dynamic monitoring feedback data in time automatically, make plate
Material produces certain plastic deformation and Stress Field Distribution and shaped, and realizes that dynamic realtime self-adaption accuracy shapes.
(2) present invention passes through the flexible motion of plate clamping movement system machine human arm and the adaptive tune of laser parameter
It is whole, it can flexibly realize that 3 D stereo impacts, small curvature large-sized sheet material shaping can be achieved, deep camber locally fine sheet material can be realized again
Full Plastic Forming, realize the complicated shaping of plate.
(3) in process, system carries out dynamic realtime monitoring to the present invention to impact plate, and Monitoring Data is carried out
Feedback, machined parameters and processing stand position are adjusted in real time, can be solved due to the ripple of the parameter such as laser energy during impact forging
The influence of the factor such as dynamic.
(4) surface forms very deep amplitude residual compressive stress after sheet metal impact forging, and it is anti-to be remarkably improved it
Fatigue life, this has the meal gold part of anti-fatigue performance requirement particularly suitable for manufacture, such as aircraft wing cover, can omit routine
Reinforcement process.
(5) small curvature sheet material bending and forming can be achieved in the present invention.Due to being full plastic bending, no resilience, solves routine
Technique repeatedly take a lot of work the shortcomings that bothersome expensive by die trial.Shaping is accurate, and cost is low, and speed is fast, it is possible to achieve mouldless shaping, it is especially suitable
Together in the few new product development of batch.
(6) present invention can be to sheet stamping Plastic Forming, again can be to metal cut deal bending forming, additionally can be real
The shaping of difficult moulding materials a variety of to high strength steel, titanium alloy, magnesium alloy, plastics and composite etc., or even to fragile material
Bending forming, the dynamic transition of crisp modeling is realized, these special purposes are that other manufacturing process can not substitute.
(7) ask present invention, avoiding shot peen forming process workpiece surface is coarse, be difficult to accurate control etc. parameter more
Inscribe, the parameter such as actual effect and aspect of performance, its residual stress depth, fatigue life, resistance to elevated temperatures is mechanical spray after shot-peening
The several times of ball.
(8) present invention can solve caused harmful tension, the surface of sheet material in Laser Thermal Stress Forming thermal process and still protect
Hold compressive stress state.
Brief description of the drawings
A kind of metal blank laser shot forming precision dynamic adaptive controllers based on robot arm motion of Fig. 1
Schematic diagram；
Fig. 2 shot-peenings plate forms schematic diagram
In figure：(1) laser, (2) leaded light and optical path adjusting system, (3) impact laser head, (4) clamping kinematic system,
(5) restraint layer sprinkling system, (6) dynamic optical monitoring system, (7) central integrated control system, (8) Laser Control System,
(9) laser head regulation and control system, (10) restraint layer control system, (11) clamping kinetic control system, (12) dynamic monitoring control
System processed, (13) speculum group, (14) transmission microscope group, (15) pivotable reflective microscope group, (16) prism, (17) condenser lens,
(18) shot-peening plate, (19) clamp base, (20) high speed video system, (21) are highlighted to visit lamp, and (22) energy-absorbing layer, (23) are aobvious
Shadow microdot.
Embodiment
Describe the details and working condition of specific device proposed by the present invention in detail with reference to Fig. 1, Fig. 2.
It is a kind of based on robot arm motion metal blank laser shot forming precision dynamic self-adaptation control method and
Device, as shown in figure 1, being by laser 1, guide-lighting and outer optical path adjusting system 2, impact laser head 3, frock clamp kinematic system
4th, restraint layer spraying system 5, dynamic optical monitoring system 6 and above-mentioned control system, the central grade of integrated control system 7 composition.Its
Manufacturing process is characterised by being transferred to laser punching with outer optical path adjusting system 2 by guide-lighting by the laser beam that laser 1 is sent
3 in tapping the head, light beam, which is adjusted, is transferred to clamping in the surface of metal blank 18 of frock clamp kinematic system 4, metal blank 18
Bead blasted surfaces are covered with the restraint layer of the manufacture of restraint layer spraying system 5, and energy-absorbing layer 22 absorbs induced with laser and produces shock wave
Panel surface is acted on, and metal blank 18 is produced quick Plastic Forming or the small curvature shaping of residual stress release.
Laser peening plate model is as shown in Fig. 2 the front of metal blank 18 scribbles energy-absorbing layer 22 in uniform thickness, the back of the body
A kind of developer for being used to realize the monitoring of dynamic optical monitoring system of face spraying, developer form densely covered tiny development microdot 22
It is distributed in 18 backside surfaces in metal blank.When metal blank 18 is deformed, due to the relative position of developer microdot 23
It can be changed at the moment with stress-strain state, the dynamic that the ess-strain on the surface of metal blank 18 has directly been reacted in this change becomes
Change process, while the development profile of the composition of developer microdot 23 also directly reflects deformation process and the change of metal blank 18
The size of shape amount.
Dynamic optical monitoring system 6 is made up of the highlighted lamp 21 of visiting of two high speed video systems 20 and two.It is monitored
During with data acquisition, the light irradiation for visiting the transmitting of lamp 21 is highlighted in the back side of metal blank 18, the back side of metal blank 18 development microdot 23
Diffusing reflection is occurred by strong illumination, a portion reflected light is caught by high speed video system 20, in forming process, is formed
Dynamic stress and strain and dynamic deformation process information.This feedback of the information is controlled system by dynamic optical monitoring system 6 to center is integrated
System 7, by adjusting relevant parameter, realizes dynamic monitoring and the precision dynamic Self Adaptive Control of plate contour peening.
According to the monitoring of dynamic optical monitoring system 6 and feedback, by changing laser pulse width, energy, beam diameter, repetition
The laser parameters such as frequency adjust the size of surge, by controlling the size of impact position and each point impulsive force, can be achieved
The Accurate Shaping of metal blank 18.
Its building mortion is characterised by that clamping kinematic system 4 is made up of robot arm, clamping fixture seat 19, and clamping fixture seat 19 can
Different fixtures is changed according to the size of form metal plate 18, forming mode.Fixture method of clamping can be divided into unilateral folder
Hold, bilateral clamping, the plurality of classes such as surrounding clamping.Frock clamp kinematic system 6 cooperates with restraint layer spraying system 5, full
The shot-peening of sufficient diverse location needs.
Pivotable reflective microscope group is provided with the laser-impact first 3 of laser shot forming precision dynamic adaptive controller
15, prism 16, condenser lens 17 etc..By adjusting each optical element in laser-impact first 3, can be achieved to spot size and Jiao
Away from adjustment.
The present invention proposes a kind of metal blank laser shot forming precision dynamic adaptive control technology, and it utilizes flash
(power density is more than 10 to laser beam9W/cm2, pulse width 8-30ns) and irradiation workpiece surface absorbed layer, make the gasification ionization of its top layer
And shock wave is formed, act on plate.Related Impulse parameter is adjusted by the way that dynamic monitoring feedback is adaptive in time, realizes plate just
To Plastic Forming and the small curvature defomation of surface residual stress releasing reverse, obtained by impacting to be distributed with orderly shock point point by point
Large area complicated shape.This method can be effectively to a variety of materials such as metal material, inorganic material, high polymer material and composite
Material carries out local bulging, bending, stretching, plate smoothing, rod member alignment school song, is to integrate being answered without mould for a variety of forming modes
Miscellaneous shaping.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (6)
1. a kind of metal blank laser shot forming precision dynamic adaptive controller based on robot arm motion, it is led
There are laser (1), guide-lighting and outer optical path adjusting system (2), impact laser head (3), frock clamp kinematic system (4), constraint
Layer spraying system (5), dynamic optical monitoring system (6) and central integrated control system (7) composition；Sent by laser (1)
Laser beam is transferred in laser-impact head (3) by guide-lighting with outer optical path adjusting system (2), and laser beam, which is adjusted, is transferred to dress
Metal blank (18) surface of frock clamp kinematic system (4) is clipped in, metal blank (18) bead blasted surfaces are covered with restraint layer spray
The restraint layer of system (5) manufacture is penetrated, energy-absorbing layer (22) absorbs induced with laser and produces shock wave in panel surface, and makes
Metal blank (18) produces quick Plastic Forming or residual stress discharges small curvature shaping；
Metal blank (18) front scribbles energy-absorbing layer in uniform thickness (22), and the back side is sprayed for realizing dynamic optical
The developer of monitoring system (6) monitoring, developer form densely covered tiny development microdot (23) and are distributed in metal blank (18)
Backside surface, when metal blank (18) is deformed, due to development microdot (23) relative position and stress-strain state meeting
Moment changes, and the dynamic changing process of the ess-strain on metal blank (18) surface has directly been reacted in this change, shows simultaneously
Shadow agent development microdot (23) form development profile also directly reflect metal blank (18) deformation process and deflection it is big
It is small.
2. control device as claimed in claim 1, it is characterised in that dynamic optical monitoring system (6) is taken the photograph by two high speeds
As system (20) and two highlighted spy lamps (21) compositions, when being monitored with data acquisition, the illumination for visiting lamp (21) transmitting is highlighted
Penetrate and diffusing reflection is occurred by strong illumination in metal blank (18) back side, metal blank (18) back side development microdot (23), wherein
A part of reflected light is caught by high speed video system (20), in forming process, forms dynamic stress and strain and dynamic deformation mistake
Journey information, dynamic optical monitoring system (6) is by this feedback of the information to central integrated control system (7), by adjusting relevant parameter,
Realize dynamic monitoring and the precision dynamic Self Adaptive Control of plate contour peening.
3. control device as claimed in claim 1 or 2, it is characterised in that according to the monitoring of dynamic optical monitoring system (6) and
Feed back, by changing laser pulse width, energy, beam diameter, repetition rate to adjust the size of surge, pass through to control and impact
Position and the size of each point impulsive force, the Accurate Shaping of metal blank (18) can be achieved.
4. control device as claimed in claim 1, it is characterised in that frock clamp kinematic system (4) is by robot arm, folder
Has seat (19) composition, clamping fixture seat (19) can change different folders according to the sizes of form metal plate (18), forming mode
Tool；Frock clamp kinematic system (4) cooperates with restraint layer spraying system (5), meets the shot-peening needs of diverse location.
5. control device as claimed in claim 4, it is characterised in that fixture method of clamping can be divided into unilateral clamping, bilateral folder
Hold, surrounding clamping.
6. control device as claimed in claim 1, it is characterised in that laser shot forming precision dynamic adaptive controller
Laser-impact head (3) in be provided with pivotable reflective microscope group (15), prism (16) and condenser lens (17)；By adjusting laser
Impact head (3) interior optical element, the adjustment to spot size and focal length can be achieved.
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| CN201610624891.7A CN106141425B (en) | 2016-07-29 | 2016-07-29 | The laser shot forming precision dynamic adaptive controller of robotic gripper sheet metal |
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Families Citing this family (12)
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|---|---|---|---|---|
| CN106624353A (en) * | 2016-12-30 | 2017-05-10 | 广东工业大学 | Laser shotblast product surface fabrication system |
| CN107009021B (en) * | 2017-02-27 | 2018-10-26 | 广东工业大学 | Horizontal portal Integral Wing Panel laser peening corrector and processing method |
| CN108718029A (en) * | 2018-04-19 | 2018-10-30 | 广东工业大学 | A kind of pulse width programs controllable solid laser device |
| CN110715981B (en) * | 2018-07-13 | 2021-09-24 | 中国科学院沈阳自动化研究所 | Laser shock peening on-line detection method and device based on acoustic emission signals |
| JP7144234B2 (en) * | 2018-08-20 | 2022-09-29 | 株式会社Subaru | Laser peening processing device and laser peening processing method |
| CN110064838B (en) * | 2019-03-29 | 2020-11-20 | 江苏大学 | Laser processing method for obtaining multiple sheet metal forming effects based on same laser |
| CN110438332B (en) * | 2019-06-14 | 2021-10-08 | 广东镭奔激光科技有限公司 | Laser shock strengthening method for mortise part of high-temperature alloy small-size turbine disc |
| CN112063831A (en) * | 2020-09-08 | 2020-12-11 | 中国航空制造技术研究院 | Water confinement layer regulating and controlling device and method for metal plate laser shot blasting |
| CN113108709A (en) * | 2021-04-08 | 2021-07-13 | 中国航发北京航空材料研究院 | Blade-oriented laser shot blasting surface quality measuring device and measuring method thereof |
| CN113305420A (en) * | 2021-06-09 | 2021-08-27 | 广东工业大学 | Complex hyperbolic torsional curved surface dieless forming method and device |
| CN114686675A (en) * | 2022-03-31 | 2022-07-01 | 江苏大学 | Device for real-time coupling and strengthening of electric pulse and laser shock wave |
| CN114799531B (en) * | 2022-04-28 | 2023-07-28 | 常州机电职业技术学院 | Thermal field assisted laser peening hard particle surface modification device and method |
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| CN1159121C (en) * | 2002-09-25 | 2004-07-28 | 江苏大学 | Fast die machining method and apparatus based on laser shock wave technology |
| US7273998B2 (en) * | 2004-09-15 | 2007-09-25 | General Electric Company | System and method for monitoring laser shock processing |
| CN101249588B (en) * | 2008-03-14 | 2011-01-05 | 江苏大学 | Sheet material double face precise forming method and apparatus based on laser blast wave effect |
| CN103111751B (en) * | 2012-12-31 | 2015-12-02 | 江苏大学 | A kind of method of pulse laser bump warm working and device |
| CN105567946B (en) * | 2016-01-06 | 2017-11-07 | 广东工业大学 | Laser peening strengthens the path planning apparatus and its paths planning method of curved surface |
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