CN107931844A - A kind of impeller chip off-falling destressing laser-impact forges reproducing method and device - Google Patents
A kind of impeller chip off-falling destressing laser-impact forges reproducing method and device Download PDFInfo
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- CN107931844A CN107931844A CN201711120772.9A CN201711120772A CN107931844A CN 107931844 A CN107931844 A CN 107931844A CN 201711120772 A CN201711120772 A CN 201711120772A CN 107931844 A CN107931844 A CN 107931844A
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- impeller
- laser
- mechanical arm
- impact
- falling
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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
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/144—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses a kind of impeller chip off-falling destressing laser-impact and forges reproducing method, in process, pulse laser head remains stationary as, workpiece, coaxial powder feeding device and sprinkler head are driven using multiple degrees of freedom robotic arm, obtains and meets that the impeller of complex-curved shape is repaired, strengthened and the space tracking of school shape.Invention additionally discloses a kind of device that reproducing method is forged using impeller chip off-falling destressing laser-impact.The impeller reproducing method of technical solution of the present invention is to integrate reparation, reinforcing and the technological process of school shape, and impeller chip off-falling region can repair while laser forges reinforcing, recover impeller shape, improve the comprehensive mechanical performance for remanufacturing impeller.
Description
Technical field
The present invention relates to re-manufacturing technology field, more particularly to a kind of impeller chip off-falling destressing laser-impact, which forges, to be remanufactured
Method and apparatus.
Background technology
Impeller is the key components and parts of aero-engine, and the impeller blank of monoblock type is generally solid forging part, therefore adds
Spare time amount is larger, and material removing rate is high, usually using more unmanageable metals such as titanium alloy or high temperature alloys on material
Material.In addition, impeller blade is spatially in the curved surface of complicated distortion, complicated, blade wall thinner thickness, therefore process
In be easily deformed and allow knife phenomenon, blade processing easily produces distortion, and passage opening character is poor, and required precision is higher.Cause
This make it that the processing and manufacturing of impeller is less efficient, and the cycle is longer and spends higher.
Impeller is complicated in the operating mode using process, usually because the reasons such as generation fatigue and foreign object damage that run at high speed cause
There is blade chip off-falling in impeller, but impeller is the key and important spare part of the equipment such as aero-engine, from above-mentioned manufacturing issue
It is known that its to manufacture difficulty of processing larger, be easy to cause processing enterprise and cannot be completely secured and supply on time, often as aviation
An important restriction factor of the engine maintenance enterprise in maintenance cost and cycle.To aero-engine, key components and parts
Technical life is often to restrict the bottleneck of machine life, once these important spare part service lifes expire, complete machine is only scrapped, therefore
Remanufacture is carried out to these crucial parts, the service life for extending complete machine has meaning of crucial importance.
It is the advanced stage for repairing development to remanufacture, using advanced technology and industrialization production as means, by waste and old
Product is placed under repair and transformed so that quality and performance are up to or over new product, and cost is then less than the technology of new product, therefore
Re-manufacturing technology meets the theory of green manufacturing.
Wherein, it is to use more re-manufacturing technology at present that laser melting coating, electric arc, which melt product etc., but these technologies are generally deposited
In some common technology problems, for example there is stomata, incomplete fusion, crackle and shrinkage porosite internal flaw etc., these internal flaws are serious
The military service for influencing to remanufacture the internal soundness of part, mechanical property and component is safe to use.Therefore, the impeller of chip off-falling is carried out again
Manufacture, is a current area research personnel technology urgently to be resolved hurrily to be met the impeller repair member of high performance and long service life
Problem.
The content of the invention
The main object of the present invention is to propose that a kind of impeller chip off-falling destressing laser-impact forges reproducing method, the present invention
Also propose a kind of device that reproducing method is forged using impeller chip off-falling destressing laser-impact, it is intended to impeller chip off-falling region into
Laser forges reinforcing while row is repaired, and recovers impeller shape, improves the comprehensive mechanical performance for remanufacturing impeller.
To achieve the above object, the present invention proposes that a kind of impeller chip off-falling destressing laser-impact forges reproducing method, wraps
Include following steps：
S1：To pending impeller cleaning and to grinding process at chip off-falling, the region of damage is removed；
S2：Pending impeller three-dimensional modeling data is obtained by scanning, and by the three-dimensional modeling data collected and completely
Impeller initial data be compared, design the scheme of remanufacturing；
S3：To pending impeller, region subdivision is carried out at the same time laser melting coating one by one and laser-impact forges；
S4：To after reparation impeller carry out stress measurement and macroshape measurement, obtain impeller integrated stress distribution and
Macroshape model, and measurement data is directed into computer analyzing and processing；
S5：Laser impact intensified and laser-impact school shape is carried out to impeller according to the measurement data of the step S4；
S6：Test is balanced to impeller, appropriate adjustment is made and until meets the requirements.
Preferably, the step S2 is further：Cleaned impeller threedimensional model number is obtained using three-coordinates measuring machine
According to, and impeller three-dimensional modeling data is passed in Three-dimensional Design Software, with complete impeller initial data comparative analysis, determine to need
Restoring area and with subdivision reparation, determine each curve form for repairing unit and blade wall thickness, machining path, the amount of dusting,
Laser scanning surface speed, laser power and pulsewidth.
Preferably, the step S3 is further：According to the complex-curved shape of impeller to be processed, mechanical arm control system
Control clamping mechanical arm and cladding mechanical arm carry out space motion path, the clamping mechanical arm and cladding mechanical arm coupling
Movement；The vertical layer to be processed of coaxial powder-feeding nozzle, pulse laser beam, which is radiated at, to be forged in region, laser melting coating and laser-impact forging
Beat synchronous carry out.
Preferably, the clamping mechanical arm and the cladding mechanical arm are six-axis linkage mechanical arm.
Preferably, laser cladding process carries out in the environment of inert atmosphere protection.
Preferably, the balance test of the step S6 includes impeller static balance and dynamic balancing.
The present invention also proposes a kind of device that reproducing method is forged using the impeller chip off-falling destressing laser-impact, uses
The cladding mechanical arm of inert atmosphere Processing Room, the clamping mechanical arm and institute are fixed in the clamping mechanical arm of clamping impeller and end
State cladding mechanical arm while be electrically connected with the mechanical arm control system, the mechanical arm control system and calculating mechatronics,
The computer also respectively be arranged above the inert atmosphere Processing Room pulse laser, be arranged at the inert atmosphere
Monitoring system inside Processing Room and continuous laser generator are electrically connected, the continuous laser generator also be arranged at it is described
Inert atmosphere is processed indoor coaxial powder feeding device and is electrically connected.
Preferably, the inert atmosphere Processing Room top surface is equipped with laser lens glass, the pulse laser control impact
Reinforcing laser head launches downwards laser beam and is irradiated in impeller position to be processed.
Technical solution of the present invention has the following advantages compared with the prior art：
Impeller chip off-falling destressing laser-impact proposed by the present invention forges reproducing method, for collection reparation, reinforcing and school shape
In the technological process of one, the wherein reinforcing of impeller includes two aspects, on the one hand in laser melting coating reparation at the same time, in optimum temperature
Laser is carried out in area and forges reinforcing, the internal flaws such as stomata, incomplete fusion, crackle and shrinkage porosite is reduced, eliminates residual stress, the opposing party
Face carries out whole impeller laser impact intensified after the completion of reparation, optimizes the stress distribution of whole impeller, improves hardness, resistance to
Corrosive nature.It it is also contemplated that the blade wall thickness to impeller is very thin, can all be deformed, lead in military service process and repair process
Cross school shape and obtain the curve form more identical with design size.
The present invention also proposes a kind of device that reproducing method is forged using impeller chip off-falling destressing laser-impact, passes through six
The clamping mechanical arm clamping workpiece and the cladding mechanical arm installation inert atmosphere operating room of six degree of freedom or water spray of the free degree
Nozzle, the motionless mode of pulse laser, completes the reparation of complex-curved impeller and forges track movement.Due to pulse laser tune
Perfect square is to relatively difficult, so pulse laser head remains stationary as, process are completed by two mechanical arm coupled motions.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 forges the structure diagram for remanufacturing device for impeller chip off-falling destressing laser-impact of the present invention；
Fig. 2 forges the fundamental diagram for remanufacturing device for impeller chip off-falling destressing laser-impact of the present invention；
Fig. 3 is the work flow diagram that impeller chip off-falling destressing laser-impact of the present invention forges reproducing method.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
Fig. 1 to Fig. 3 is referred to, the present invention proposes that a kind of impeller chip off-falling destressing laser-impact forges reproducing method, wraps
Include following steps：
S1：Pending impeller 12 is cleaned and to grinding process at chip off-falling, remove the region of damage；
S2：Obtain pending 12 three-dimensional modeling data of impeller by scanning, and by the three-dimensional modeling data collected with it is complete
Whole impeller initial data is compared, and designs the scheme of remanufacturing；
S3：To pending impeller 12, region subdivision is carried out at the same time laser melting coating one by one and laser-impact forges；
S4：Stress measurement and macroshape measurement are carried out to the impeller 12 after reparation, obtains the integrated stress point of impeller 12
Cloth and macroshape model, and measurement data is directed into computer 5 and is analyzed and processed；
S5：Data are measured according to above-mentioned steps S4 laser impact intensified and laser-impact school shape is carried out to impeller 12；
S6：Test is balanced to impeller 12, appropriate adjustment is made and until meets the requirements.
Preferably, above-mentioned steps S2 is further that cleaned impeller threedimensional model number is obtained using three-coordinates measuring machine
According to, and impeller three-dimensional modeling data is passed in Three-dimensional Design Software, with complete impeller initial data comparative analysis, determine to need
Restoring area and with subdivision reparation, determine each curve form for repairing unit and blade wall thickness, machining path, the amount of dusting,
Laser scanning surface speed, laser power and pulsewidth.
Preferably, above-mentioned steps S3 is further：According to the complex-curved shape of impeller 12 to be processed, mechanical arm control system
The control of system 2 clamping mechanical arm 1 and cladding mechanical arm 3 carry out space motion path, clamp mechanical arm 1 and cladding mechanical arm 3 couples
Movement；The vertical layer to be processed of the nozzle of coaxial powder feeding device 7, pulse laser beam, which is radiated at, most preferably to be forged in region, laser melting coating and
Laser-impact forges synchronous progress.
Preferably, it is six-axis linkage mechanical arm to clamp mechanical arm 1 and cladding mechanical arm 3.
Preferably, laser cladding process carries out in the environment of inert atmosphere protection.
Preferably, the balance test of above-mentioned steps S6 includes impeller static balance and dynamic balancing.
The present invention also proposes a kind of device that reproducing method is forged using impeller chip off-falling destressing laser-impact, for pressing from both sides
Hold the clamping mechanical arm 1 of impeller and the cladding mechanical arm 3 of inert atmosphere Processing Room 11 is fixed in end, clamp mechanical arm 1 and cladding
Mechanical arm 3 is electrically connected with mechanical arm control system 2 at the same time, and mechanical arm control system 2 is electrically connected with computer 5, and computer 5 also divides
Not with the pulse laser 8 for being arranged at the top of inert atmosphere Processing Room 11, the monitoring being arranged inside inert atmosphere Processing Room 11
System 6 and continuous laser generator 4 are electrically connected, and continuous laser generator 4 is also with being arranged in inert atmosphere Processing Room 11
Coaxial powder feeding device 7 is electrically connected.
Preferably, 11 top surface of inert atmosphere Processing Room is equipped with laser lens glass 10, and pulse laser 8 controls shock peening
Laser head 9 launches downwards laser beam and is irradiated in 12 position to be processed of impeller.
Fig. 1 to Fig. 3 is referred to, technical solution of the present invention impeller chip off-falling destressing laser-impact forges the work for remanufacturing device
It is as principle：
Pending impeller 12 is cleaned first, then to carrying out grinding process at chip off-falling, to remove the area of damage
Domain.
Then pending impeller three-dimensional modeling data is obtained by scanning, and the 12 threedimensional model number of impeller that will be collected
Contrasted according to complete impeller initial data, and design the scheme of remanufacturing.Specifically, measured using three-coordinates measuring machine
The three-dimensional modeling data of cleaned pending impeller 12 is obtained, and the three-dimensional modeling data is passed to the three-dimensional of computer 5
In design software, by being compared and analyzed with the three-dimensional modeling data of complete impeller original data model, so that it is determined that needing
Restoring area is simultaneously repaired in the form of subdivision.Contrasted by analyzing, determine the fortune of clamping mechanical arm 1 and cladding mechanical arm 3
Dynamic rail mark.By designing each cladding layer thickness of each restoring area, the amount of dusting, pulse laser and the company at each moment are determined
The parameters such as the power of continuous laser, frequency, pulsewidth, spot size.
Then to pending impeller 12, region subdivision carries out laser melting coating one by one and laser-impact forges.Specifically, pass through
Impeller 12 is fixed on 1 end of clamping mechanical arm of six degree of freedom by fixture, and clamping 1 impeller 12 of mechanical arm extend into indifferent gas
Moved in atmosphere Processing Room 11 and according to default space tracking, at the same time, cladding mechanical arm 3 drives inert atmosphere Processing Room 11
Carry out corresponding space tracking movement.Continuous laser generator 4 and coaxial powder feeding device 7 control powder sending quantity, by powder sending quantity and
The control of laser beam, successively cladding is carried out so as to fulfill to area to be repaired.At the same time, computer 5 passes through pulse laser 8
Control shock peening laser head 9 sends downwards laser beam, and laser beam passes through the laser for being arranged at the top of inert atmosphere operating room 11
Lens glass 10 carries out impact in the range of the temperature province most preferably forged to current cladding layer and forges, so as to reduce stomata, not
The internal flaws such as fusion, crackle and shrinkage porosite, eliminate residual stress, to obtain the reblading with high performance and long service life.
Preferably, to ensure the accurate of movement locus and ensureing that reparation and laser-impact forge and reach best effects, this
In inventive technique scheme, inert atmosphere operating room 11 is internally provided with monitoring system 6 and is electrically connected with computer 5, and monitoring system 6 is whole
The temperature field in area is repaired in measurement, and monitoring data are fed back in computer 5, and computer 5 is analyzed according to feedback data, so
Afterwards by control coaxial powder feeding device 7, pulse laser 8 and clamping mechanical arm 1 and cladding mechanical arm 3 realize it is micro- to machined parameters
Adjust.
According to the complex-curved shape of impeller 12 to be processed, the control of computer 5 clamping 1 space motion path of mechanical arm and band
The space motion path of the cladding mechanical arm 3 of dynamic inert atmosphere operating room 12, and two mechanical arms is carried out coupled motions, protect
Card 12 layer to be processed of impeller is in horizontality, and the nozzle of coaxial powder feeding device 7 is perpendicular to layer to be processed so that pulse laser beam shines
Penetrate and forged in most preferably in region.
To meet the requirement of 12 complex-curved shape of impeller, two mechanical arms are six-axis linkage, in process, arteries and veins
The shock peening laser head 9 for rushing laser 12 remains stationary as in position, and track is by two mechanical arm cooperatings to ensure.
Then stress measurement is carried out to the impeller 12 after reparation and macroshape measures, obtain the integrated stress point of impeller 12
Cloth and macroshape model, and the data that measurement is obtained imported into computer 5 and are analyzed and processed.
Then laser impact intensified and laser-impact school shape is carried out to impeller 12.Due to most of impeller blade thickness compared with
Thin, during the work time, although chip off-falling failure phenomenon does not occur, many regions of impeller blade can also occur a degree of micro-
Small deformation, influences the follow-up performance of impeller, and in addition the pyrocaloric effect of laser melting coating can also cause the impeller blade of thin-walled to produce
Raw micro-strain, and melting and coating technique can not also realize point-device shaping, it is therefore desirable to using laser school shape, further improve
Impeller 12 remanufactures precision.Specifically, the inert atmosphere operating room 11 that cladding mechanical arm 3 gripped originally is changed to and can sprayed
The nozzle of pure water is spilt, and continuous laser generator 4 and coaxial powder feeding device 7 are changed to water injection system, to being processed in above-mentioned steps
After impeller 12 measure Stress Field Distribution and macroshape, by designing reinforcing scheme, for the movement of mechanical arm
The parameters such as track, the power of pulse laser, frequency, pulsewidth, spot size, spot size carry out surface peening to impeller.Strong
During change, strengthen laser head and remain stationary as, and coupled on processing space track by clamping mechanical arm 1 and cladding mechanical arm 3
Realize.
Test finally is balanced to impeller 12, static balance and dynamic balancing measurement are carried out by impeller 12, and make suitably
Adjust and until meet the requirements.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly
His relevant technical field is included in the scope of patent protection of the present invention.
Claims (8)
1. a kind of impeller chip off-falling destressing laser-impact forges reproducing method, it is characterised in that comprises the following steps：
S1：To pending impeller cleaning and to grinding process at chip off-falling, the region of damage is removed；
S2：Pending impeller three-dimensional modeling data is obtained by scanning, and by the three-dimensional modeling data collected and complete leaf
Wheel initial data is compared, and designs the scheme of remanufacturing；
S3：To pending impeller, region subdivision is carried out at the same time laser melting coating one by one and laser-impact forges；
S4：Stress measurement and macroshape measurement are carried out to the impeller after reparation, obtains integrated stress distribution and the macroscopic view of impeller
Shape, and measurement data is directed into computer analyzing and processing；
S5：Laser impact intensified and laser-impact school shape is carried out to impeller according to the measurement data of the step S4；
S6：Test is balanced to impeller, appropriate adjustment is made and until meets the requirements.
2. impeller chip off-falling destressing laser-impact as claimed in claim 1 forges reproducing method, it is characterised in that the step
S2 is further：Cleaned impeller three-dimensional modeling data is obtained using three-coordinates measuring machine, and by impeller three-dimensional modeling data
In incoming Three-dimensional Design Software, and complete impeller initial data comparative analysis, determines to need restoring area and with subdivision reparation,
Determine each curve form for repairing unit and blade wall thickness, machining path, the amount of dusting, laser scanning surface speed, laser power and
Pulsewidth.
3. impeller chip off-falling destressing laser-impact as claimed in claim 1 forges reproducing method, it is characterised in that the step
S3 is further：According to the complex-curved shape of impeller to be processed, mechanical arm control system control clamping mechanical arm and cladding machine
Tool arm carries out space motion path, the clamping mechanical arm and the cladding mechanical arm coupled motions；Coaxial powder-feeding nozzle is vertical
Layer to be processed, pulse laser beam, which is radiated at, to be forged in region, and laser melting coating and laser-impact forge synchronous progress.
4. impeller chip off-falling destressing laser-impact as claimed in claim 2 forges reproducing method, it is characterised in that the clamping
Mechanical arm and the cladding mechanical arm are six-axis linkage mechanical arm.
5. impeller chip off-falling destressing laser-impact as claimed in claim 2 forges reproducing method, it is characterised in that laser melting coating
Process carries out in the environment of inert atmosphere protection.
6. impeller chip off-falling destressing laser-impact as claimed in claim 1 forges reproducing method, it is characterised in that the step
The balance test of S6 includes impeller static balance and dynamic balancing.
A kind of 7. dress that reproducing method is forged using the impeller chip off-falling destressing laser-impact as described in claim 1 to 6 is any
Put, it is characterised in that clamping mechanical arm and end for clamping impeller fix the cladding mechanical arm of inert atmosphere Processing Room, institute
State clamping mechanical arm and the cladding mechanical arm while be electrically connected with the mechanical arm control system, the mechanical arm control system
With calculate mechatronics, the computer also respectively be arranged above the inert atmosphere Processing Room pulse laser, set
The monitoring system and continuous laser generator being placed in inside the inert atmosphere Processing Room are electrically connected, and the continuous laser occurs
Device is also electrically connected with being arranged at the indoor coaxial powder feeding device of the inert atmosphere processing.
8. device as claimed in claim 7, it is characterised in that the inert atmosphere Processing Room top surface is equipped with laser lens glass,
The pulse laser control shock peening laser head launches downwards laser beam and is irradiated in impeller position to be processed.
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| CN201711120772.9A CN107931844A (en) | 2017-11-14 | 2017-11-14 | A kind of impeller chip off-falling destressing laser-impact forges reproducing method and device |
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| CN201711120772.9A CN107931844A (en) | 2017-11-14 | 2017-11-14 | A kind of impeller chip off-falling destressing laser-impact forges reproducing method and device |
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| CN109317784A (en) * | 2018-11-29 | 2019-02-12 | 苏州创浩新材料科技有限公司 | The equipment of heavy parts 3D printing |
| CN109332851A (en) * | 2018-11-29 | 2019-02-15 | 苏州创浩新材料科技有限公司 | The method of heavy parts 3D printing |
| CN110315075A (en) * | 2019-07-19 | 2019-10-11 | 西北工业大学 | A kind of synchronization laser heat treatment method of laser gain material manufacture nickel base superalloy |
| CN110586695A (en) * | 2019-07-31 | 2019-12-20 | 广东工业大学 | Laser shock peening and shape correction method and device for engine bifurcated tail nozzle welding seam |
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| CN109317784A (en) * | 2018-11-29 | 2019-02-12 | 苏州创浩新材料科技有限公司 | The equipment of heavy parts 3D printing |
| CN109332851A (en) * | 2018-11-29 | 2019-02-15 | 苏州创浩新材料科技有限公司 | The method of heavy parts 3D printing |
| CN110315075A (en) * | 2019-07-19 | 2019-10-11 | 西北工业大学 | A kind of synchronization laser heat treatment method of laser gain material manufacture nickel base superalloy |
| CN110315075B (en) * | 2019-07-19 | 2022-01-07 | 西北工业大学 | Synchronous laser heat treatment method for manufacturing nickel-based high-temperature alloy through laser additive |
| CN110586695A (en) * | 2019-07-31 | 2019-12-20 | 广东工业大学 | Laser shock peening and shape correction method and device for engine bifurcated tail nozzle welding seam |
| CN110586695B (en) * | 2019-07-31 | 2021-08-24 | 广东工业大学 | Laser shock peening and shape correction method and device for engine bifurcated tail nozzle welding seam |
| CN111571019A (en) * | 2020-04-20 | 2020-08-25 | 江苏大学 | Device and method for laser shock processing of curved surface part |
| CN112195468A (en) * | 2020-10-23 | 2021-01-08 | 广东镭奔激光科技有限公司 | Damaged blade repairing method and device of blisk based on double laser beams |
| CN113560713A (en) * | 2021-07-20 | 2021-10-29 | 扬州镭奔激光科技有限公司 | Protection tool for forming laser forging process by combining laser cladding and laser impact |
| CN113638773A (en) * | 2021-09-03 | 2021-11-12 | 江苏中科智能科学技术应用研究院 | Impeller mixing manufacturing process |
| CN113638773B (en) * | 2021-09-03 | 2024-02-13 | 江苏中科智能科学技术应用研究院 | Impeller mixing manufacturing process |
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Application publication date: 20180420 |