CN106041083B - For manufacturing the scanning system, method and three-dimensional body manufacturing equipment of three-dimensional body - Google Patents
For manufacturing the scanning system, method and three-dimensional body manufacturing equipment of three-dimensional body Download PDFInfo
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- CN106041083B CN106041083B CN201610600415.1A CN201610600415A CN106041083B CN 106041083 B CN106041083 B CN 106041083B CN 201610600415 A CN201610600415 A CN 201610600415A CN 106041083 B CN106041083 B CN 106041083B
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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
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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
- B22F10/30—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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- 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
- B22F12/44—Radiation means characterised by the configuration of the radiation means
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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
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
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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
- B22F12/49—Scanners
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- 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
- B33Y10/00—Processes of additive manufacturing
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- 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
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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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Abstract
A kind of scanning system, method and three-dimensional body manufacturing equipment for being used to manufacture three-dimensional body, scanning system, which includes first laser device, second laser, optical path adjusting unit and control unit, control unit, to be included：First scan control module, for when receiving scan instruction, by the laser that first laser device is sent under the regulation of optical path adjusting unit, scanning sintering first area, meanwhile by the laser that second laser is sent under the regulation of optical path adjusting unit, scanning sintering second area；And the second scan control module, for after the completion of default number of plies scanning sintering, and when receiving scan instruction, by the laser that first laser device is sent under the regulation of optical path adjusting unit, scanning sintering second area, simultaneously, by the laser that second laser is sent under the regulation of optical path adjusting unit, scanning sintering first area, sintering is scanned by switching various lasers the invention enables certain corresponding region, improves the sintering quality of three-dimensional body product.
Description
Technical field
The invention belongs to increasing material manufacturing scanning technique field, and in particular to a kind of scanning system for being used to manufacture three-dimensional body
System, method and three-dimensional body manufacturing equipment.
Background technology
Increases material manufacturing technology（Additive Manufacturing, abbreviation AM）Being one has Digitized manufacturing, height
The advanced manufacturing technology for the distinguishing features such as flexible and adaptability, direct CAD model drive, quick, material type is rich and varied, from
Later 1980s are developed so far, and oneself turns into a mainstay in modern advanced manufacturing technique.Precinct laser melts
Change technology（Selective Laser Melting, abbreviation SLM）It is one of increases material manufacturing technology quickly grown in recent years, its
Using dusty material as raw material, successively scanning is carried out to the section of 3D solid using laser and completes raw basin, not by part shape
The limitation of shape complexity, it is not necessary to any moulds of industrial equipment, have a wide range of application.The basic process of precinct laser fusion technique
It is：A certain amount of powder is delivered to work top by dust feeder, and one layer of dusty material is laid in piston molded zero by power spreading device
The upper surface of part, galvanometer control laser are scanned according to the cross section profile of this layer to solid section powder bed, make powder
Temperature rises to melting point, and powder fusing sintering is simultaneously Nian Jie with following molded part realization；After a layer cross section has sintered, work
Make the thickness that platform declines a layer, power spreading device in the uniformly densely powder of layer overlay above, carries out a new layer cross section again
Scanning sintering, if the scanning superposition of warp dried layer, until completing whole 3D solid manufacture.
It is existing in order to expand scanning area and improve scan efficiency in the concrete application of above-mentioned increases material manufacturing technology
Occur being scanned working region using multi-laser in technology, but for each layer of same area of a saddlebag
Sintering is typically scanned using same laser, different is usually present yet between each laser, when long
Between the curve decayed can not also ensure completely the same, had differences so as to result in the intensity of different zones sintering workpiece, and
Due to hundreds of layers at least of the saddlebag of a workpiece, layers at most up to ten thousand, therefore as the increase error of the sintering number of plies is also continuous
It is cumulative, so as to have a strong impact on the sintering quality of workpiece.
The content of the invention
For above-mentioned technical problem existing for prior art, the invention provides one kind to avoid energy difference alienation from accumulating, and
Improve the scanning system, method and three-dimensional body manufacturing equipment that are used to manufacture three-dimensional body of three-dimensional body product sintering quality.
In order to solve the above technical problems, it is used to manufacturing the scanning system of three-dimensional body the invention provides a kind of, including the
One laser, second laser, optical path adjusting unit and control unit, described control unit include：
First scan control module, for when receiving scan instruction, the laser that first laser device is sent to be in light path
Under the regulation of adjustment unit, the first area of scanning sintering working region, meanwhile, the laser that second laser is sent is in light path
Under the regulation of adjustment unit, the second area of scanning sintering working region；And
Second scan control module, for after the completion of default number of plies scanning sintering, and when receiving scan instruction, by the
The laser that one laser is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, by the
The laser that dual-laser device is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region.
As present invention further optimization scheme, the optical path adjusting unit includes the first galvanometer, the second galvanometer, driving
Unit and by about two pieces installation and angle be more than 0 degree, less than 180 degree speculum group into optical mirror slip, pass through driving
Unit driving optical mirror slip rises or falls, by laser that first laser device is sent optical mirror slip upper reflector or lower anti-
Penetrate under the reflection of mirror, and the control of the first galvanometer or the second galvanometer, the first area or the secondth area of scanning sintering working region
Domain；Simultaneously by the laser that second laser is sent in the reflection of the upper reflector or lower speculum of optical mirror slip, and first shake
Under the control of mirror or the second galvanometer, the second area of scanning sintering working region or first area.
As present invention further optimization scheme, the first laser device and second laser are arranged on first straight line
On, first galvanometer and the second galvanometer are arranged in second straight line, and first straight line intersect with second straight line and in 60 degree or
90 degree of angles, the optical mirror slip are located on the intersection point of first straight line and second straight line, and the vertical first straight line of optical mirror slip and
Plane determined by second straight line.
As present invention further optimization scheme, the optical path adjusting unit includes the first galvanometer, the second galvanometer, driving
Unit and the reflecting optics that can be rotated under the driving of driver element, by the way that reflecting optics are rotated to be into initial bit
Put so that the laser that first laser device is sent and under the control of the first galvanometer or the second galvanometer, is swept in the reflection of reflecting optics
Retouch the first area of sintering working region, while the laser that sends of second laser is in the reflection of reflecting optics, and first shakes
Under the control of mirror or the second galvanometer, the second area of scanning sintering working region, and control reflecting optics to rotate predetermined angle, and
After reflecting optics rotate predetermined angle, by the laser that first laser device is sent in the reflection of reflecting optics, and the first galvanometer
Or second galvanometer control under, scanning sintering working region second area, meanwhile, the laser that second laser is sent is anti-
Penetrate under the reflection of eyeglass, and the control of the first galvanometer or the second galvanometer, the first area of scanning sintering working region.
As present invention further optimization scheme, the predetermined angle is more than 0 degree, and is less than 180 degree.
As present invention further optimization scheme, the first laser device and second laser are arranged on first straight line
On, first galvanometer and the second galvanometer are arranged in second straight line, and first straight line intersect with second straight line and in 60 degree or
90 degree of angles, and the reflecting optics are located on the intersection point of first straight line and second straight line.
As present invention further optimization scheme, the default number of plies is more than or equal to 1 layer, and less than or equal to 10
Layer.
Present invention also offers a kind of three-dimensional body manufacturing equipment, including described in any of the above-described be used for manufacture three-dimensional article
The scanning system of body.
Present invention also offers a kind of scan method for being used to manufacture three-dimensional body, including：
When the first scan control module receives scan instruction, by the laser that first laser device is sent in optical path adjusting list
Under the regulation of member, the first area of scanning sintering working region, meanwhile, by the laser that second laser is sent in optical path adjusting list
Under the regulation of member, the second area of scanning sintering working region；
After the completion of default number of plies scanning sintering, and when the second scan control module receives scan instruction, by first
The laser that laser is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, by second
The laser that laser is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region.
As present invention further optimization scheme, methods described is realized as the scanning system described in any of the above-described.
The scanning system for being used to manufacture three-dimensional body of the present invention, by including first laser device, second laser, light path
Adjustment unit and control unit, described control unit include：First scan control module, for when receiving scan instruction,
By the laser that first laser device is sent under the regulation of optical path adjusting unit, the first area of scanning sintering working region, meanwhile,
By the laser that second laser is sent under the regulation of optical path adjusting unit, the second area of scanning sintering working region；And
Second scan control module, for after the completion of default number of plies scanning sintering, and when receiving scan instruction, by first laser device
The laser sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, by second laser
The laser sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region so that certain of working region
Corresponding region（Such as first area）Sintering can be scanned by switching different lasers, so as to effectively prevent using same
The accumulation of energy difference alienation caused by one laser scans sintering；And it effectively prevent laser face because of caused by energy inequality
Aberration is different, and therefore, the present invention further increases the sintering quality of three-dimensional body product.
The three-dimensional body manufacturing equipment of the present invention, by being used to manufacture the laser scanning system of three-dimensional body including above-mentioned,
So that certain corresponding region of working region（Such as first area）Sintering can be scanned by switching different lasers, so as to
It effectively prevent the accumulation using energy difference alienation caused by same laser scans sintering；And laser is effectively prevent because of energy
Color distortion caused by amount inequality, therefore, the present invention further increases the sintering quality of three-dimensional body product.
Being used for of the present invention manufactures the scan method of three-dimensional body, by including：When the first scan control module receives
During scan instruction, by the laser that first laser device is sent under the regulation of optical path adjusting unit, the of scanning sintering working region
One region, meanwhile, by the laser that second laser is sent under the regulation of optical path adjusting unit, the of scanning sintering working region
Two regions；After the completion of default number of plies scanning sintering, and when the second scan control module receives scan instruction, first is swashed
The laser that light device is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, second is swashed
The laser that light device is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region so that working region
Certain corresponding region（Such as first area）Sintering can be scanned by switching different lasers, be adopted so as to effectively prevent
The accumulation of energy difference alienation caused by same laser scans sintering；And it effectively prevent laser and cause because energy is uneven
Color distortion, therefore, the present invention further increases the sintering quality of three-dimensional body product.
Brief description of the drawings
Fig. 1 is the first the use state knot for the embodiment that the present invention is used for the scanning system offer for manufacturing three-dimensional body
Composition；
Fig. 2 is second of use state knot of the embodiment that the present invention is used for the scanning system offer for manufacturing three-dimensional body
Composition.
Part mark is as follows in figure：
1st, first laser device；2nd, second laser；3rd, the first galvanometer；4th, the second galvanometer；5th, lower speculum；6th, upper reflection
Mirror；7th, first area；8th, second area；9th, workpiece.
Embodiment
In order to allow those skilled in the art to more fully understand and realize technical scheme, below with reference to explanation
Book the drawings and specific embodiments are described in further details.
In order to solve in the prior art, same laser is typically used for each layer of same area of a saddlebag
Device is scanned sintering, and due to being usually present different between each laser, the curve of decay can not also ensure for a long time
It is completely the same, had differences so as to result in the intensity of different zones sintering workpiece, and then had a strong impact on workpiece sintering quality
Technical problem, the present inventor obtains following technical scheme by creative work：
A kind of scanning system for being used to manufacture three-dimensional body, including first laser device 1, second laser 2, optical path adjusting list
Member and control unit, described control unit include：
First scan control module, for when receiving scan instruction, the laser that first laser device 1 is sent to be in light path
Under the regulation of adjustment unit, the first area 7 of scanning sintering working region, meanwhile, the laser that second laser 2 is sent is in light
Under the regulation of road adjustment unit, the second area 8 of scanning sintering working region；And
Second scan control module, for after the completion of default number of plies scanning sintering, and when receiving scan instruction, by the
The laser that one laser 1 is sent is under the regulation of optical path adjusting unit, the second area 8 of scanning sintering working region, meanwhile, will
The laser that second laser 2 is sent is under the regulation of optical path adjusting unit, the first area 7 of scanning sintering working region.
Herein it will be appreciated that above-mentioned first area 7, second area 8 are by entering to the working region of sintering to be scanned
Row division is obtained, and the position of working region is located at according to workpiece 9 to be sintered, and first area 7 and second area 8 may be constructed whole
Individual working region or only local working areas, the setting of its specific size can according to sintering it needs to be determined that.In addition, according to adopting
Scan mode is different, and first area 7 and second area 8 can be made up of at least one scanning area respectively, not do one herein
One limits and enumerates.
As one embodiment of the present invention, the optical path adjusting unit includes the first galvanometer 3, the second galvanometer 4, driving
Unit and by about two pieces installation and angle be more than 0 degree, less than 180 degree speculum group into optical mirror slip, pass through driving
Unit driving optical mirror slip rises or falls, by the laser that first laser device 1 is sent the upper reflector 6 of optical mirror slip or under
Under the reflection of speculum 5, and the control of the first galvanometer 3 or the second galvanometer 4, scanning sintering working region first area 7 or
Second area 8；Simultaneously by the laser that second laser 2 is sent the upper reflector 6 or lower speculum 5 of optical mirror slip reflection,
And first galvanometer 3 or the second galvanometer 4 control under, the second area 8 of scanning sintering working region or first area 7.
As shown in figure 1, the upper reflector 6 of the optical mirror slip, lower speculum 5 are in 90 degree of angles, driven by driver element
The motion of dynamic optical mirror slip so that the lower speculum 5 of optical mirror slip is located in light path, and for reflection laser, now first swashs
The laser that light device 1 is sent lower speculum 5 reflection, and under the control of the first galvanometer 3, the first of scanning sintering working region
Region 7；The laser that sends of second laser 2 is in the reflection of lower speculum 5 simultaneously, and under the control of the second galvanometer 4, scanning is burnt
Tie the second area 8 of working region.
When the default number of plies（Such as 2 layers of sintering）After the completion of scanning sintering, switched laser device is now needed to carry out the same area
Scanning sintering, as shown in Fig. 2 under the control of the control unit, drive optical mirror slip to be declined by driver element so that
The upper reflector 6 of optical mirror slip is located in light path, and for reflection laser, the laser that now first laser device 1 is sent is upper anti-
Penetrate under the reflection of mirror 6, and the control of the second galvanometer 4, the second area 8 of scanning sintering working region；Second laser 2 simultaneously
The laser sent upper reflector 6 reflection, and under the control of the first galvanometer 3, the first area of scanning sintering working region
7。
In specific implementation, the first laser device 1 and second laser 2 are arranged in first straight line, first galvanometer 3
It is arranged on the second galvanometer 4 in second straight line, and first straight line intersects with second straight line and is in 60 degree or 90 degree of angles, the light
Eyeglass is learned to be located on the intersection point of first straight line and second straight line, and determined by the vertical first straight line of optical mirror slip and second straight line
Plane, for example, as depicted in figs. 1 and 2, the first straight line and second straight line are in 90 degree of angles, but herein it should be noted that, institute
The angle for stating first straight line and second straight line can also be other angles, such as the unspecified angle between 0 degree -180 degree（No
Including 0 degree and 180 degree）It can be achieved.
As another embodiment of the present invention, the optical path adjusting unit includes the first galvanometer 3, the second galvanometer 4, driving
Unit and the reflecting optics that can be rotated under the driving of driver element, by the way that reflecting optics are rotated to be into initial bit
Put so that the laser that first laser device 1 is sent is in the reflection of reflecting optics, and the control of the first galvanometer 3 or the second galvanometer 4
Under, the first area 7 of scanning sintering working region, while the laser that sends of second laser 2 is in the reflection of reflecting optics, and
Under the control of first galvanometer 3 or the second galvanometer 4, the second area 8 of scanning sintering working region, and control reflecting optics rotation pre-
If angle, and reflecting optics rotate predetermined angle after, by the laser that first laser device 1 is sent reflecting optics reflection, with
And first galvanometer 3 or the second galvanometer 4 control under, the second area 8 of scanning sintering working region, meanwhile, by second laser 2
The laser sent reflecting optics reflection, and under the control of the first galvanometer 3 or the second galvanometer 4, scanning sintering working region
First area 7.The predetermined angle is more than 0 degree, and is less than 180 degree, it is preferable that can be 90 degree.
In specific implementation, the first laser device 1 and second laser 2 are arranged in first straight line, first galvanometer 3
It is arranged on the second galvanometer 4 in second straight line, and first straight line intersects with second straight line and is in 60 degree or 90 degree of angles, and it is described
Reflecting optics are located on the intersection point of first straight line and second straight line.Certainly, the angle of the first straight line and second straight line may be used also
Think other angles, such as the unspecified angle between 0 degree -180（Do not include 0 degree and 180 degree）It can be achieved.
In specific implementation, above-mentioned driver element can be motor, can also be other devices with driving effect certainly,
This is not enumerated.
In specific implementation, the default number of plies is greater than or equal to 1 layer, and any number of plies less than or equal to 10 layers,
Certainly, according to the requirement of design, it can also be other specific numbers of plies, not enumerate herein.
It should be noted that, light that control unit adjusts the first galvanometer 3 and/or the second galvanometer 4 according to the design needs is high herein,
The parameters such as deflection angle, and the regulation of optical path adjusting unit is combined, to realize such scheme, such as first laser device 1 sent
Laser reflecting optics reflection, and under the control of the first galvanometer 3 or the second galvanometer 4, the of scanning sintering working region
Two regions 8, meanwhile, by the laser that second laser 2 is sent in the reflection of reflecting optics, and the first galvanometer 3 or the second galvanometer 4
Control under, scanning sintering working region first area 7.Due to how to carry out the parameter of the first galvanometer 3 and the second galvanometer 4
Regulation, is that easily, therefore, this is not elaborated in the present invention to those skilled in the art.
Present invention also offers a kind of three-dimensional body manufacturing equipment, it include described in any of the above-described be used for manufacture three-dimensional
The scanning system of object.
Present invention also offers a kind of scan method for being used to manufacture three-dimensional body, this method includes：
When the first scan control module receives scan instruction, by the laser that first laser device is sent in optical path adjusting list
Under the regulation of member, the first area of scanning sintering working region, meanwhile, by the laser that second laser is sent in optical path adjusting list
Under the regulation of member, the second area of scanning sintering working region；Herein it should be noted that, in the method " when receive scanning
Instruction ", this scan instruction can be the scan instruction that one saddlebag of sintering is sent first.
After the completion of default number of plies scanning sintering, and when the second scan control module receives scan instruction, by first
The laser that laser is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, by second
The laser that laser is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region.
In specific implementation, methods described is realized as the scanning system described in any of the above-described embodiment.
The present invention core be, for working region a certain region in alternating floor or every several layers of（The default number of plies）After change
One laser is scanned, so as to avoid a certain region energy difference all as caused by same laser scans sintering always
The accumulation problem of alienation, for example, when the default number of plies is 1, for a certain region then by first laser device and second laser by
Layer is scanned to it in turn, such as first layer is scanned by first laser device, and the second layer is scanned by second laser, third layer by
First laser device is scanned, and the 4th layer is scanned by second laser, by that analogy.
Above example is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned reality
Example is applied, all technical schemes belonged under thinking of the present invention all should belong to protection scope of the present invention.It should be pointed out that this is not being departed from
Some modifications and modification under the premise of inventive principle, should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of scanning system for being used to manufacture three-dimensional body, it is characterised in that including first laser device, second laser, light
Road adjustment unit and control unit, described control unit include：
First scan control module, for when receiving scan instruction, the laser that first laser device is sent to be in optical path adjusting
Under the regulation of unit, the first area of scanning sintering working region, meanwhile, the laser that second laser is sent is in optical path adjusting
Under the regulation of unit, the second area of scanning sintering working region；And
Second scan control module, for after the completion of default number of plies scanning sintering, and when receiving scan instruction, first is swashed
The laser that light device is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, second is swashed
The laser that light device is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region.
2. the scanning system according to claim 1 for being used to manufacture three-dimensional body, it is characterised in that the optical path adjusting list
Member includes the first galvanometer, the second galvanometer, driver element and by about two pieces installations and angle is more than 0 degree, anti-less than 180 degree
Penetrate microscope group into optical mirror slip, drive optical mirror slip to rise or fall by driver element, swash what first laser device was sent
Light is in the reflection of the upper reflector or lower speculum of optical mirror slip, and under the control of the first galvanometer or the second galvanometer, scanning is burnt
Tie first area or the second area of working region；Simultaneously by the laser that second laser is sent optical mirror slip upper reflector
Or under the reflection of lower speculum, and the control of the first galvanometer or the second galvanometer, scanning sintering working region second area or
First area.
3. the scanning system according to claim 2 for being used to manufacture three-dimensional body, it is characterised in that the first laser device
It is arranged on second laser in first straight line, first galvanometer and the second galvanometer are arranged in second straight line, and first is straight
Line intersects with second straight line and is in 60 degree or 90 degree of angles, and the optical mirror slip is located at the intersection point of first straight line and second straight line
On, and plane determined by the vertical first straight line of optical mirror slip and second straight line.
4. the scanning system according to claim 1 for being used to manufacture three-dimensional body, it is characterised in that the optical path adjusting list
Member includes the first galvanometer, the second galvanometer, driver element and the speculum that can be rotated under the driving of driver element
Piece, by the way that reflecting optics are rotated to be into initial position so that the laser that first laser device is sent reflecting optics reflection, and
Under the control of first galvanometer or the second galvanometer, scanning sintering working region first area, while second laser send swash
Light reflecting optics reflection, and under the control of the first galvanometer or the second galvanometer, the second area of scanning sintering working region,
And control reflecting optics to rotate predetermined angle, and after reflecting optics rotate predetermined angle, laser that first laser device is sent
Under the reflection of reflecting optics, and the control of the first galvanometer or the second galvanometer, the second area of scanning sintering working region, together
When, by the laser that second laser is sent reflecting optics reflection, and under the control of the first galvanometer or the second galvanometer, scanning
Sinter the first area of working region.
5. the scanning system according to claim 4 for being used to manufacture three-dimensional body, it is characterised in that the predetermined angle is big
In 0 degree, and it is less than 180 degree.
6. the scanning system according to claim 5 for being used to manufacture three-dimensional body, it is characterised in that the first laser device
It is arranged on second laser in first straight line, first galvanometer and the second galvanometer are arranged in second straight line, and first is straight
Line intersects with second straight line and is in 60 degree or 90 degree of angles, and the reflecting optics are located at the intersection point of first straight line and second straight line
On.
7. the scanning system for being used to manufacture three-dimensional body according to claim any one of 1-6, it is characterised in that described pre-
If the number of plies is more than or equal to 1 layer, and less than or equal to 10 layers.
A kind of 8. three-dimensional body manufacturing equipment, it is characterised in that including described in claim any one of 1-7 be used for manufacture three-dimensional
The scanning system of object.
A kind of 9. scan method for being used to manufacture three-dimensional body, it is characterised in that including：
When the first scan control module receives scan instruction, by the laser that first laser device is sent in optical path adjusting unit
Under regulation, the first area of scanning sintering working region, meanwhile, by the laser that second laser is sent in optical path adjusting unit
Under regulation, the second area of scanning sintering working region；
After the completion of default number of plies scanning sintering, and when the second scan control module receives scan instruction, by first laser
The laser that device is sent is under the regulation of optical path adjusting unit, the second area of scanning sintering working region, meanwhile, by second laser
The laser that device is sent is under the regulation of optical path adjusting unit, the first area of scanning sintering working region.
10. scan method according to claim 9, it is characterised in that methods described is as described in claim any one of 2-7
Scanning system realize.
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| CN106827514A (en) * | 2017-02-10 | 2017-06-13 | 上海联泰科技股份有限公司 | Layering builds image processing method, Method of printing and the 3D printing equipment of object |
| WO2019072359A1 (en) * | 2017-10-09 | 2019-04-18 | SLM Solutions Group AG | Apparatus and method for producing three-dimensional work pieces |
| EP3498473A1 (en) * | 2017-12-15 | 2019-06-19 | CL Schutzrechtsverwaltungs GmbH | Module for an apparatus for additively manufacturing three-dimensional objects |
| JP6950583B2 (en) * | 2018-03-02 | 2021-10-13 | トヨタ自動車株式会社 | Mold manufacturing method |
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| CN110524883B (en) * | 2019-09-17 | 2022-01-18 | 湖南华曙高科技有限责任公司 | Scanning path planning method and device based on double lasers and three-dimensional object manufacturing equipment |
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