CN110202141A - A kind of device of laser gain material manufacture complex thin-wall structure - Google Patents
A kind of device of laser gain material manufacture complex thin-wall structure Download PDFInfo
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- CN110202141A CN110202141A CN201910508888.2A CN201910508888A CN110202141A CN 110202141 A CN110202141 A CN 110202141A CN 201910508888 A CN201910508888 A CN 201910508888A CN 110202141 A CN110202141 A CN 110202141A
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- wall structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/46—Radiation means with translatory movement
- B22F12/48—Radiation means with translatory movement in height, e.g. perpendicular to the deposition plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/80—Plants, production lines or modules
- B22F12/88—Handling of additively manufactured products, e.g. by robots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to laser gain material manufacturing fields, and in particular to a kind of device of laser gain material manufacture complex thin-wall structure.The device includes workbench, increasing material manufacturing device, monitoring analysis feedback device and master control device.Input dependency structure parameter and technological parameter in a computer first, after program starts, bracket swings an angle, and the sliding of slidingtype cladding head is primary, after bracket covers predetermined angle, turns to next angle along guide rail, repeats the above process, completes one layer of cladding.Then crossbeam rises to next layer height, and so on, completes the increasing material manufacturing of thin-wall construction.The present invention can complete the laser gain material manufacture of some complex thin-wall structures, greatly improve the inner wall roughness of thin-wall construction, production efficiency greatly improved；It can be transformed on original laser, to reduce costs.
Description
Technical field
The present invention relates to laser gain material manufacturing fields, and in particular to a kind of dress of laser gain material manufacture complex thin-wall structure
It sets.
Background technique
Increasing material manufacturing (Additive Manufacturing, AM) technology is that the method gradually to be added up using material is manufactured in fact
The technology of body part is the manufacturing method of a kind of " from bottom to top " relative to traditional material removal-Machining Technology for Cutting.Choosing
Area's laser fusing (Selective Laser Melting, SLM) technology is also known as metal 3D printing technique, before being increasing material manufacturing
Along technology, its energy straight forming goes out close to complete consistency, the metal parts of good mechanical properties.Before processing, pass through first
Expert data processing software carries out the CAD model of part to be sliced the discrete and necessary support construction of addition, and then planning is swept
Path is retouched, data that treated include that can control the mobile profile information of laser beam.Then this data is imported into molding equipment,
Computer successively calls in profile information, and control scanning galvanometer is deflected, and realizes that laser facula selectively melts metal powder,
Powder is still in fluffy in the region for being bonded as one with previous layer material, and not being irradiated with a laser, can be recycled.Laser
Every one layer of fusing, formation cylinder decline thickness (10-50 μm adjustable), and powder feeding cylinder rises a certain distance (usually thickness
1.5 times), powder, which is taken away, with scraper completes a powdering movement.
In millions of years evolutionary process, natural life opens the natural structure of optimization, so as in cruel nature
It survives in competition.In field of optical applications, natural structure also shows excellent performance.One of them most representative example
It is lobster eye.The eyes of lobster are made of the small square duct of many arrangements on the spherical surface.Each channel is long and narrow
, center axis thereof is towards the center of spherical surface.Lobster eye structure optical device has light-weight, small in size, the wide advantage in the visual field,
Suitable for aerospace field.Lobster eye structure is also widely used in optical application, surface quality, especially inside surface roughness,
Affect its optical property.
Currently, be applied to processing lobster eye structure manufacturing method be substantially subtraction manufacture, such as traditional milling and
Drilling.But due to the limitation of subtraction manufacture, the thin-wall construction in high aspect ratio channel is difficult to be manufactured.The channel battle array of lobster eye
Array structure can also be considered as the complex thin-wall structure being made of two groups of thin-walleds perpendicular to one another.For these complicated thin-walled knots
The manufacture of structure, increasing material manufacturing (AM) technology and traditional subtraction (such as milling and processing) or forms manufacture (such as casting and modeling
Material forming) technology compare have significant advantage.Currently, having used a variety of AM technologies to manufacture thin-wall construction.For example,
Ti6Al4V thin-wall construction is manufactured using Laser Melting Deposition (LMD) through someone, or carrys out structure using electron-beam melting (EBM)
Build Ti6Al4V thin-wall construction.But due to energy input more, the surface of the part of deposition technique and EBM manufacture with charging greatly
Quality and dimensional accuracy ratio SLM manufacture it is far short of what is expected, cause obtained part performance to be far from the requirment.Also, it is similar
Technology can not accomplish to produce the thin-wall construction in batches.And the present invention takes full advantage of the advantage of precinct laser thawing technology, and
Pointedly devise relevant apparatus, thus can be relatively good produce the part for meeting performance requirement, can effectively solve
Certainly similar to the complex thin-wall structure processing difficulties of lobster eye structure, machining accuracy is not high, the production cycle is long and comprehensive performance reaches
The problem of less than requiring.
In conclusion how efficiently solving similar to this kind of complex thin-wall structure processing difficulties of lobster eye structure, adding
The problems such as work precision is not high, the production cycle is long and comprehensive performance does not reach requirement is current problem in need of consideration.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of device of laser gain material manufacture complex thin-wall structure, the dress
Setting can efficiently solve that complex thin-wall structure processing difficulties, machining accuracy similar to lobster eye structure be high, the production cycle
Not the problem of long and comprehensive performance does not reach requirement.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of device of laser gain material manufacture complex thin-wall structure, including workbench, increasing material manufacturing device, monitoring analysis are instead
Present device and master control device.
The increasing material manufacturing device includes using the slidingtype cladding head of coaxial powder-feeding, for driving slidingtype cladding head phase
For the mechanical arm of movable workbench.
Workbench includes pyroceram pedestal, pedestal, crossbeam, bracket, sliding rail, turntable, double-slider coupling arrangement, electricity
Machine, stepper motor.
The monitoring analysis feedback device includes lighting device, reception device, analyzes feedback device, workbench, computer,
Computer is connect as master control with increasing material manufacturing device, workbench, console signal to control whole system.
The device of the laser gain material manufacture complex thin-wall structure, mechanical arm are installed on the base, positioned at one end of pedestal；
Motor is installed on the base, positioned at the other end of pedestal；Pyroceram pedestal is installed on the base, and motor and mechanical arm are located at
Between, pyroceram pedestal is hollow transparent structure, and lighting device is located in pyroceram pedestal；Turntable is fixed on resistance to height
In warm glass base, stepper motor built in turntable, bracket is connected with the stepper motor being built on turntable, and turntable can rotate,
To drive holder pivots；Crossbeam couples rack-mount, built-in stepper motor in double-slider coupling arrangement using double-slider
It realizes crossbeam on bracket to move up and down, mechanical arm is connect with slidingtype cladding head, enables slidingtype cladding head in cross
It slidably reciprocates on beam；Reception device hangs on the top of whole system and face lighting device.
Bracket of the present invention can freely adjust angle and fixation, to adapt to the manufacture needs at different thin-walled inclination angles.
The computer is connect with console, and console, which receives computer instruction and compiles, switchs to PLC code.
The computer is sequentially connected with analysis feedback device, reception device.
The console is respectively and in motor, mechanical arm, the stepper motor being built on turntable and double-slider coupling arrangement
Built-in stepper motor connection.
Console controls motor power output and shuts down, and motor provides power for turntable, allows turntable controlled rotation, bracket
It is rotated with the rotation of turntable.
Bracket of the present invention is connected with the stepper motor being built on turntable, to realize the front and back rotation of bracket, stepping
Motor is that signal is connect with console.
Sliding rail is housed, built-in stepper motor keeps crossbeam real on bracket in double-slider coupling arrangement on bracket of the present invention
It now moves up and down, stepper motor is that signal is connect with console.
Bracket of the present invention couples between crossbeam for double-slider, and double-slider connection can stop and be fixed on a certain position
It sets, will not influence the inclination angle of bracket when guaranteeing that crossbeam moves up and down.
The slidingtype cladding head using coaxial powder-feeding, Lai Jinhang cladding is employed herein.
Equipped with turntable to guarantee that bracket can be on pyroceram pedestal in fact on pyroceram pedestal of the present invention
It is now freely rotated and realizes at work and fix.
For monitoring the lighting device of increasing material manufacturing process, the system of receiving device and analysis feedback device in the present invention,
The system can monitor the inner wall roughness in thin-wall construction process, to carry out Real-time Feedback, dynamic regulation correlation work
Skill parameter.
Detailed description of the invention
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention should not be only
It is limited to embodiment.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the thin-wall construction schematic diagram by taking lobster eye structure as an example that the device of the invention is applicable in；
Fig. 3 is the schematic diagram of double-slider coupling arrangement in the present invention；
Fig. 4 is partial enlarged view at A in Fig. 1.
Specific embodiment
The embodiment of the invention discloses a kind of devices of laser gain material manufacture complex thin-wall structure, complicated thin in order to process
Wall construction improves productivity and precision.
Below in conjunction with the drawings and specific embodiments, the invention will be described further.
As shown, the invention mainly comprises mechanical arm 1, pedestal 2, pyroceram pedestal 3, lighting device 4, turntable 5,
Bracket 6, motor 7, console 8, computer 9, analysis feedback device 10, reception device 11, slidingtype cladding head 12, crossbeam 13,
Double-slider coupling arrangement 14, cladding matrix 15, stepper motor 16 and 18, sliding rail 17, wherein computer 9 is connect with console 8, control
Platform processed respectively with the built-in stepping in motor 7, mechanical arm 1, the stepper motor 18 and double-slider coupling arrangement that are built on turntable
Motor 16 connects, to form processing unit (plant), realizes cladding process, computer 9 and analysis feedback device 10, reception device 11 are believed
It number is sequentially connected to realize to matrix real-time dynamic monitoring and feed back.
Required lobster eye structure is made of channel array, and the opening in each channel is the square that length is 1.5mm, often
The height and cone angle in a channel are respectively 10mm and 2 °, and the thickness of all Passage Thin Walleds is set as 0.2mm.Entire lobster eye structure
Cone angle be 18 °.Use average grain diameter for the AlSi of 23 μm of atomization10Mg powder, to prepare lobster eye structure, entire SLM work
Skill process carries out under an argon atmosphere, and oxygen content is lower than 10ppm.Laser power settings are between 325W-425W, with feedback
Device is adjusted in real time.For all lobster eye components handled through SLM, scanning speed, thickness degree and interlamellar spacing are respectively set as
2200mm/s, 30 μm and 50 μm.
Please refer to Fig. 1 and as shown in connection with fig. 2, a kind of device of laser gain material manufacture complex thin-wall structure of the invention,
Cladding layer is prepared in matrix surface by coaxial powder-feeding formula laser melting coating head.Specific implementation step:
(1) laser power is adjusted between 325W-425W, and scanning speed, thickness degree and interlamellar spacing are respectively set as
2200mm/s, is protected using argon gas by 30 μm and 50 μm；
(2) check installation pedestal whether fastened between mechanical arm above, pyroceram pedestal, motor, turntable with
Whether fastened between pyroceram pedestal, it is ensured that device is powered after there is no problem；
(3) tilt angles of two brackets are adjusted according to the cone angle of required part and vertical direction is in 2 ° and fixes；
(4) start slidingtype cladding head, lighting device, reception device and analysis feedback device, detection various functions are
It is no normal；
(5) after various functions to be confirmed are normal, computer and console are opened, is required according to every size of part, it is defeated
Enter related process parameters；
(6) start to process after fixing cladding matrix on pyroceram substrate, it can be observed that the stepping electricity on turntable
Machine drives bracket to swing an angle, and slidingtype cladding head is primary along crossbeam sliding, completes a scan path.It is covered to bracket
After predetermined angle, turntable turns to next angle, repeats the above process, and completes one layer of cladding.Then double-slider coupling arrangement
Middle stepper motor drives crossbeam to rise to next layer height, and so on, until completing whole cladding process；
(7) in cladding process, reception device receives the signal that lower section lighting device generates, and it is anti-to send it to analysis
Device is presented, after analysis feedback device processing, related data is sent to computer, computer is adjusted according to related data, dynamic
Save related processing parameters.
Claims (9)
1. a kind of device of laser gain material manufacture complex thin-wall structure, which is characterized in that described device includes workbench, increases material system
Make device, monitoring analysis feedback device and master control device；
The increasing material manufacturing device include using coaxial powder-feeding slidingtype cladding head, for drive slidingtype cladding head relative to
The mechanical arm of movable workbench；
Workbench includes pyroceram pedestal, pedestal, crossbeam, bracket, sliding rail, turntable, double-slider coupling arrangement, motor, step
Into motor；
The monitoring analysis feedback device includes lighting device, reception device, analysis feedback device, console, computer；
Mechanical arm is installed on the base, positioned at one end of pedestal；Motor is installed on the base, positioned at the other end of pedestal；Resistance to height
On the base, between motor and mechanical arm, pyroceram pedestal is hollow transparent structure, illumination for warm glass base installation
Device is located in pyroceram pedestal；Turntable is fixed on pyroceram pedestal, stepper motor built in turntable, bracket with it is interior
The stepper motor being placed on turntable is connected, and turntable can rotate, to drive holder pivots；Crossbeam is using double-slider connection installation
On bracket, built-in stepper motor realizes crossbeam on bracket to move up and down in double-slider coupling arrangement, mechanical arm and sliding
The connection of formula cladding head, enables slidingtype cladding head to slidably reciprocate on crossbeam；Reception device hangs on the upper of whole system
Side and face lighting device.
2. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the bracket
Freely adjustable angle and fixation, to adapt to the manufacture needs at different thin-walled inclination angles.
3. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the calculating
Machine is connect with console, and console, which receives computer instruction and compiles, switchs to PLC code.
4. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the calculating
Machine is sequentially connected with analysis feedback device, reception device.
5. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the control
Platform connects with the built-in stepper motor in motor, mechanical arm, the stepper motor being built on turntable and double-slider coupling arrangement respectively
It connects.
6. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that console comes
Control motor power output and shut down, motor provides power for turntable, allow turntable controlled rotation, bracket with the rotation of turntable and
Rotation.
7. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the bracket
It is connected with the stepper motor being built on turntable, to realize the front and back rotation of bracket, stepper motor is that signal is connect with console.
8. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the bracket
Upper that sliding rail is housed, built-in stepper motor realizes crossbeam on bracket to move up and down in double-slider coupling arrangement, stepper motor and
Console is signal connection.
9. a kind of device of laser gain material manufacture complex thin-wall structure as described in claim 1, which is characterized in that the bracket
Couple between crossbeam for double-slider, double-slider connection can stop and be fixed on a certain position, when guaranteeing that crossbeam moves up and down
It will not influence the inclination angle of bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508888.2A CN110202141B (en) | 2019-06-13 | 2019-06-13 | Device for manufacturing complex thin-wall structure by laser additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508888.2A CN110202141B (en) | 2019-06-13 | 2019-06-13 | Device for manufacturing complex thin-wall structure by laser additive manufacturing |
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| CN110202141A true CN110202141A (en) | 2019-09-06 |
| CN110202141B CN110202141B (en) | 2020-06-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922341A (en) * | 2020-07-08 | 2020-11-13 | 南京思锐迪科技有限公司 | Method for forming bionic lobster eye complex thin-wall structure by laser |
| CN113500773A (en) * | 2021-07-08 | 2021-10-15 | 吉林大学 | Lobster eye-imitated focused pulse highlight in-situ forming 4D printing device and method |
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| CN106311876A (en) * | 2016-11-15 | 2017-01-11 | 山东大学 | Complicated thin-walled workpiece formation system and method based on progressive formation and additive manufacturing |
| US20170242424A1 (en) * | 2016-02-19 | 2017-08-24 | General Electric Company | Laser power monitoring in additive manufacturing |
| CN107138728A (en) * | 2017-05-27 | 2017-09-08 | 广东工业大学 | The increasing material manufacturing method and increasing material manufacturing system of a kind of labyrinth |
| CN109175367A (en) * | 2018-10-25 | 2019-01-11 | 武汉钢铁有限公司 | Increase material, etc. materials composition metal 3D laser forming device and its method |
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2019
- 2019-06-13 CN CN201910508888.2A patent/CN110202141B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170242424A1 (en) * | 2016-02-19 | 2017-08-24 | General Electric Company | Laser power monitoring in additive manufacturing |
| CN106311876A (en) * | 2016-11-15 | 2017-01-11 | 山东大学 | Complicated thin-walled workpiece formation system and method based on progressive formation and additive manufacturing |
| CN107138728A (en) * | 2017-05-27 | 2017-09-08 | 广东工业大学 | The increasing material manufacturing method and increasing material manufacturing system of a kind of labyrinth |
| CN109175367A (en) * | 2018-10-25 | 2019-01-11 | 武汉钢铁有限公司 | Increase material, etc. materials composition metal 3D laser forming device and its method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922341A (en) * | 2020-07-08 | 2020-11-13 | 南京思锐迪科技有限公司 | Method for forming bionic lobster eye complex thin-wall structure by laser |
| CN113500773A (en) * | 2021-07-08 | 2021-10-15 | 吉林大学 | Lobster eye-imitated focused pulse highlight in-situ forming 4D printing device and method |
| CN113500773B (en) * | 2021-07-08 | 2022-04-01 | 吉林大学 | Lobster eye-imitated focused pulse highlight in-situ forming 4D printing device and method |
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|---|---|
| CN110202141B (en) | 2020-06-26 |
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