CN106738908A - A kind of quick many sintering increasing material manufacturing device and method - Google Patents
A kind of quick many sintering increasing material manufacturing device and method Download PDFInfo
- Publication number
- CN106738908A CN106738908A CN201710059570.1A CN201710059570A CN106738908A CN 106738908 A CN106738908 A CN 106738908A CN 201710059570 A CN201710059570 A CN 201710059570A CN 106738908 A CN106738908 A CN 106738908A
- Authority
- CN
- China
- Prior art keywords
- sintering
- powder
- region
- face
- molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- 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
-
- 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
Abstract
The invention discloses quick many sintering increasing material manufacturing device and method, the equipment includes rack-mounted powder machine tool system, face sintering subsystem and line sintering subsystem；The described method comprises the following steps：1st, be to sinter region and be divided into face sintering region and be enclosed in the overseas line in face sintering zone to sinter region by every formable layer region, 2, powder bed top infrared source is set；3rd, a formable layer powder is laid on powder bed；4th, the line sintering region described in sinter molding on the formable layer powder；5th, working lining powder for molding subregion is changed for absorptivity that infrared source is radiated；6th, re-lay a formable layer powder on powder bed and form working lining powder for molding；7th, molded line sintering zone domain is sintered on the formable layer powder, 8, change working lining powder for molding absorptivity；9th, repeat step 6 to step 8 until completing whole forming process.It is an advantage of the invention that by face sintering and line sinter bonded and improve shaping speed and also ensure that formed precision.
Description
Technical field
The present invention relates to a kind of quick many sintering increasing material manufacturing device and method, belong to increases material manufacturing technology, particularly belong to
Based on powder sintered increases material manufacturing technology field.
Background technology
At present, increases material manufacturing technology is increasingly extensive by the application for developing in the industrial production of decades.Wherein, laser
Powder is sintered together to form required part, its application by selection sintering (SLS) technology by way of laser scanning
Extensively, formed precision is high, the good mechanical property of part for material, so obtaining increasing application in industrial application to make
Make function part.
The A of United States Patent (USP) US 4863538 disclose a kind of method and apparatus that part is manufactured by selective sintering.This sets
It is standby to be directed on powder to produce agglomerate with by laser energy including computer controlled laser.For each cross section, swash
The target of light beam is scanned on powder bed, and the powder in sintered cross-sections border.By applying succeeding layer powder and carrying out
Described scanning sintering is until forming complete part.The SLS molding modes of the technology are because be that one or several laser rays is swept
Powder for molding is retouched, its temperature is raised the purpose for reaching sintering, the mode shaping speed of this scanning is slower, limits the technology
Range of application.
For example, the patent of Publication No. CN106322983A discloses a kind of soft alloy sintering stove of artificial tooth, it is related to high temperature
Agglomerating plant field.A kind of soft alloy sintering stove of artificial tooth, including annular furnace heating system, gas air supply system, sintering pan
Suit system, material carrier platform jacking system, the part of man-machine control system five composition.The sintering pan suit system uses small one and large one
The protective atmosphere circulatory system of refractory ceramics sintering pan composition, gas air supply system institute supplied gas are protective gas, described
Protective gas is argon gas, and the material carrier platform jacking system is electric power jacking system, and gas air supply system is provided with flowmeter, gas
Body air supply system is connected by tracheae and sintering pan suit system.
For example, the patent of Publication No. CN106310540A discloses a kind of beam-shaping for neutron capture treatment
Body, including beam entrance, target, be adjacent to the slow body of target, be enclosed in slow external reflector and slow body adjoining
The outlet of thermal neutron absorber, the radiation shield being arranged in beam-shaping body and beam, target and the matter from the incidence of beam entrance
There is nuclear reaction to produce neutron in beamlet, neutron is formed and limits a neutron beam for main shaft, and slow body will be produced from target
, to epithermal neutron energy area, the material of slow body is by containing in LiF, Li2CO3, Al2O3, AlF3, CaF2 or MgF2 for neutron degradation
At least one material is made, and it becomes blocking by powder sintering process through powder sintered equipment by powder or powder compact, reflection
The neutron that body will deviate from main shaft leads back to main shaft to improve epithermal neutron intensity of beam, thermal neutron absorber be used to absorbing thermal neutron with
Multiple dose was caused when avoiding treatment with shallow-layer normal structure, the neutron and photon that radiation shield is used to shield seepage are non-to reduce
The normal tissue dose of irradiated region.
For example, the patent of Publication No. CN205881682U discloses a kind of technique for being applied to annular ferrite core
Ring.Technique ring generally cirque structure, technique ring upper and lower surface is plane, and more than two ventilations are provided with lower surface
Mouthful；Ventilating opening is the groove being arranged on FERRITE CORE technique ring lower surface, lateral surface in groove connection technique ring；Groove is
Circular arc type structure, depth of groove is not higher than 1/2nd of technique ring lateral width, and recess width is not higher than technique ring medial surface
The length of radius.The utility model structure is novel, designs advantages of simple.By setting outside in insertion technique ring on technique ring
The ventilating opening in face, the distinguished and admirable of agglomerating plant offer can be entered by four ventilating openings from cylinder bottom, then from top discharge, be formed
Distinguished and admirable circulation.For example, the patent of Publication No. CN205860766U discloses a kind of Zirconium oxide sintering stove, including annular furnace plus
Hot systems, sintering furnace body, sintering pan, material carrier platform jacking system, the part of man-machine control system five composition.The Human-machine Control system
System uses touch screen PID+PLC control systems, heating curves Real time dynamic display, sintering process curve editable to prestore, and sinters number
According to that can automatically save, USB interface is configured, automatic lifting structure can be used with PC remote controls, the material carrier platform jacking system,
The sintering pan using can stacked configuration, the annular furnace heating system is circular layout structure using heating element heater.
In sum, traditional the deficiencies in the prior art part is traditional SLS/SLM molding modes because being one
Or several laser line scannings are molded, shaping speed is slower；3DP increases material manufacturing technologies based on powder are because be to powder spray gluing
Water, its original shaping intensity is not high, and subsequent treatment is complicated, it is difficult to be molded function part.
The content of the invention
The quick of above-mentioned technical problem can be overcome to sinter increasing material manufacturing equipment it is an object of the invention to provide a kind of more
And method.The present invention overcomes the shortcomings of conventional art, it is proposed that quick many sintering (Fast Multi-Sintering) increase material system
Method and the equipment for realizing quick many sintering increasing material manufacturing methods are made, the present invention is while SLS/SLM formed precisions are kept
Improve shaping speed.
Quick many sintering increasing material manufacturing equipment of the invention are by rack-mounted powder machine tool system, face sintering subsystem
Constituted with line sintering subsystem；The powder machine tool system includes shaped platform, powder conveyance device and the powder paving of vertical lift
If device, powder for molding is delivered to the powder laying apparatus by the powder conveyance device, and the powder laying apparatus are by institute
State powder for molding and be deposited in the shaped platform top composition powder bed, the powder bed upper surface includes the sintering for carrying out sintering curing
Region, the sintering region sinters region and is enclosed in the overseas line sintering region in face sintering zone and constitutes by face；Burn in the face
Knot system includes infrared source and face sintering initiating device；Face sintering initiating device can change face sintering region into
Type powder for the infrared source absorptive rate of radiation so that the face sintering region powder for molding pass through absorptive thermal radiation
The radiation in source causes the rising of its temperature to reach sintering；The line sintering subsystem includes line sintering energy source, laser scanning device
And focusing arrangement；The radiation in line sintering energy source is focused on the focusing arrangement upper surface of the powder bed, and is swashed by described
Light scanning apparatus sinters sector scanning in the line, the powder for molding in the region is led by the radiation in Absorption Line sintering energy source
Cause its temperature to raise and reach sintering.
Face sintering is carried out in the way of two dimensional surface, and the speed of its sintering is fast, but due to the power of the infrared source
Limitation and powder for molding are to the rate of change scope of the absorptive rate of radiation of the infrared source, face sintering region and non-sintered region
The temperature difference it is smaller, temperature gradient particularly in sintering region to the transition portion in non-sintered region is relative to be relaxed, and face sintering is taken turns
Wide precision is not often high, and the non-sintered region refers to sinter the part beyond region.
To overcome face to sinter contour accuracy problem not high, in the overseas wired sintering region of encirclement in face sintering zone, line sintering
Subsystem focal line sintering energy source reaches sintering power density higher in the sintering region of powder bed, with sintering profile higher
Precision, but, because being carried out in the way of line is scanned, it is relatively lower speed that line is sintered.
The face sintering initiating device includes the liquid numerical control nozzle on horizontal movement device, the liquid numerical control
Radiation adsorber is sprayed onto the face sintering region and changes absorptive rate of radiation of the region to the infrared source by shower nozzle.
The face sintering initiating device includes triggering optical projection device and the powder for molding includes photosensitive material, described
Triggering optical projection device will trigger light to project to the face sintering region, make the absorption spectrum of the photosensitive material of the powder for molding
Change, so as to change the absorptivity of its radiation to infrared source, and cause the face to sinter the powder for molding temperature in region
Degree rising reaches sintering.
The line sintering energy source is laser.The powder for molding is nylon powder.It is basic due to powder 3D printer
Structure has been standard configuration, is known technology, so not doing excessive explanation.
Quick many sintering increasing material manufacturing methods of the invention, comprise the following steps：
1st, by every formable layer region be sinter region be divided into face sintering region and be enclosed in face sintering zone it is overseas line sintering
Region.The line sintering region includes the outline of forming area, additionally it is possible in being planned according to certain filling proportion
Portion's dowel structure, certain filling proportion is specially the filling proportion less than 50% more than 0；Face sintering region is remaining
Internal closure plane space.Line sintering region can improve precision by laser sintered；Face sintering region is by radiation exposure
Mode sinters and is conducive to improving shaping speed.
2nd, powder bed top sets infrared source；
3rd, a formable layer powder is laid on powder bed, forms working lining powder for molding；
4th, pass through to focus on the formable layer powder and line is sintered described in the radiation sinter molding in scan line sintering energy source
Region；
5th, change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region by
Radiation in more absorptive thermal radiation source causes its temperature to raise generation sintering；On the one hand the absorptivity to thermal source radiation is changed
Have various methods, including but not limited to spray thermal source radiation adsorber, by trigger light change powder for molding in photosensitive material
Absorption spectrum；On the other hand it is that erect image also can be negative-appearing image to change thermal source absorptive rate of radiation, for example, can make the spoke in sintering region
Absorptivity increase is penetrated, the absorptive rate of radiation in non-sintered region can also reduced；
6th, a formable layer powder is re-layed on powder bed, forms working lining powder for molding；
7th, pass through to focus on the formable layer powder and line is sintered described in the radiation sinter molding in scan line sintering energy source
Region, and be partially bonded together with the sintering of preceding layer；
8th, change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region by
Radiation in more absorptive thermal radiation source causes its temperature to raise generation sintering, and is combined with the part of sintering of preceding layer
Together；
9th, repeat step 6 to step 8 until completing whole forming process.
In addition, for hanging region, the previous layer segment that working lining sintering region correspondence is overlapped is then to adopt in non-sintered region
With line sintering processing improving formed precision.
It is an advantage of the invention that face sintering and line sintering to be combined and drastically increase the speed of shaping while also protecting
The precision of shaping is demonstrate,proved.
Brief description of the drawings
Fig. 1 is the overall structure diagram of quick many sintering increasing material manufacturing equipment of the present invention；
Fig. 2 is the structural representation of horizontal movement device of the present invention；
Fig. 3 is the forming part structure schematic diagram machined with the present invention.
In figure, 1- frames, 2- laser scanning devices, 3- liquid numerical control nozzles, 4- horizontal movement devices, 5- radiation absorptions
Agent, 6- powder for molding, 7- infrared sources, 8- powder storage chambers, 9- powder compactings chamber, 10- powder pushes platform, and 11- shapings are flat
Platform, 12- powder laying apparatus, 13- faces sintering region, 14- lines sintering region, 15- ink jet subsystem cross slide ways, 16- ink-jets
Subsystem transverse slider, 17- ink jet subsystem longitudinal rails, 18- ink jet subsystem longitudinal sliding blocks, 19- forming areas are key outer
Profile, 20- forming areas backbone's dowel.
Specific embodiment
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.The basic structure of powder increasing material manufacturing equipment
Make, the model slice that powder-processed, powder storage, powder are transported, powder laying and increasing material manufacturing method are related to generates every layer
Forming area and the principle of layered structure is known technology, be described again here.
As shown in figure 1, much quicker sintering increasing material manufacturing equipment of the invention by the powder machine tool system in frame 1,
Laser scanning subsystem, inkjet printing subsystem and infrared source 7 are constituted.
The powder machine tool system includes the shaped platform 11, powder conveyance device and powder laying apparatus 12 of vertical lift；
The powder conveyance device pushes platform 10 and constitutes by powder storage chamber 8 and powder；It is powder fortune that the powder pushes platform 10
Send a part for device.The powder for molding 6 is deposited in the top of the shaped platform 11 and constitutes powder by the powder laying apparatus
Bed, i.e., described powder bed is made up of the powder for molding 6 between powder compacting chamber 9 and shaped platform 11；The powder bed upper surface includes
The sintering region of solidification is sintered, the sintering region sinters region and be enclosed in the overseas line in face sintering zone and sinters by face
Region constitutes.
The face sintering subsystem includes infrared source 7 and face sintering initiating device；The face sintering initiating device can
Change face sinters the absorptive rate of radiation of the powder for molding for the infrared source in region, so that the face sinters the shaping in region
Powder causes the rising of its temperature to reach sintering by the radiation in absorptive thermal radiation source；For example, the face sintering initiating device is spray
Black printer subsystem, its ink for spraying can change absorptive rate of radiation of the powder for molding for the infrared source；The ink-jet
Printer subsystem includes infusion device, blow head maintenance device, horizontal movement device 4 and on horizontal movement device 4
Liquid numerical control nozzle 3.
The laser scanning subsystem includes laser (not shown), laser scanning device as line sintering subsystem
2 and focusing arrangement (not shown)；The radiation in line sintering energy source is focused on the focusing arrangement upper table of the powder bed
Face, and sector scanning is sintered in the line by the laser scanning device 2, the powder for molding in the region is sintered by Absorption Line
The radiation of energy source causes the rising of its temperature to reach sintering.Fig. 2 is the structural representation that face sinters initiating device numerical control nozzle.
Horizontal movement device as shown in Figure 2, including, two ink jet subsystem cross slide ways 15 in frame 1,
And the two ink jet subsystem transverse sliders 16 that can be slided on the ink jet subsystem cross slide way 15 respectively, described
Ink jet subsystem longitudinal rail 17 is installed, ink jet subsystem longitudinal sliding block 18 exists between two ink jet subsystem transverse sliders 16
Lengthwise movement on the ink jet subsystem longitudinal rail 17.So, the ink jet subsystem longitudinal sliding block 18 can be in the spray
Moved horizontally in the region that Mo-tse system cross slide way 15 and the ink jet subsystem longitudinal rail 17 are limited.In addition, institute
State and liquid numerical control nozzle 3 is installed on ink jet subsystem longitudinal sliding block 18, liquid numerical control nozzle 3 also can be in the ink-jet subsystem
Moved horizontally in the region that system cross slide way 15 and the ink jet subsystem longitudinal rail 17 are limited, and the ink-jet subsystem
The shaped platform that the region that system cross slide way 15 and the ink jet subsystem longitudinal rail 17 are limited can be covered in powder compacting chamber 9
11 region, completes the ink ejection operation of setting.
The radiation of infrared source 7 is infrared ray, particularly near-infrared, while the radiation of infrared source 7 also includes visible ray
Composition；The selection of infrared source 7 includes but is not limited to ceramic infrared radiation source, Halogen lamp LED, carbon fiber infrared source, specifically chosen to want root
To thermal radiation absorption rate after triggering to absorptivity and the quilt cover sintering of heat radiation according to powder for molding.
The line sintering region at least outline including forming area of forming area as shown in Figure 3, while in order to be added to
The deformation of the mechanical strength and reduction forming process of type part, the line sintering region of forming area can also include internal reinforcement
Structure.
The line sintering region and face sintering region of forming area can overlap.The overlapping region had both experienced line burning
Face sintering operation is also experienced in knot operation.The first overlap mode is the local edge that sintering region and face sintering region connect online
Overlap, the area of the edge lap is typically not greater than 2/3rds of line sintering region area.What the edge was overlapped
Advantage is：On the one hand increased the bond strength between line sintering region and face sintering local；On the other hand line burning can be reduced
The requirement of alignment precision between tie region and face sintering local, reduces cost simultaneously improves reliability.Second overlap mode is portion
Separated time sintering region formation network structure is passed through and covering part facet sintering zone domain forms covering and overlaps, it is also possible to regard part as
The situation that the reinforcing rib structure overlaps with face sintering local.The covering intersection generally advanced line sintering operation, so
Carry out face sintering operation again afterwards, the local area the purpose is to pass through reduction face sintering region provides attached in face sintering region simultaneously
Structure so as to reduce warpage and the contraction distortion in face sintering region.
In addition, the shaping order in the line sintering region of forming area and face sintering region is to exchange and intersect, i.e., first
Form wire sintering region reshaping face sintering region, also can be first forming surface sintering region reshaping line sintering region, Huo Zhejiao
Fork is carried out, for example, be first molded the reinforcement of backbone, and reshaping face sintering region is finally molded the outline of backbone.Because being related to
To powder for molding to the radiation absorption and sintering of infrared source 7, the sintering temperature of the powder for molding for being used is typically chosen in 600
Below degree, including low-melting alloy and macromolecular material, such as nylon powder.
Quick many sintering increasing material manufacturing methods of the invention, comprise the following steps：
1st, by every formable layer region be sinter region be divided into face sintering region and be enclosed in face sintering zone it is overseas line sintering
Region.The line sintering region includes the outline 19 of forming area, additionally it is possible to including what is planned according to certain filling proportion
Internal dowel structure 20, certain filling proportion is specially the filling proportion less than 50% more than 0；As shown in Figure 3；Burn in face
Tie region is remaining internal closure plane space.Line sintering region can improve precision by laser sintered；Face sinters region
Sintered by way of radiation exposure and be conducive to improving shaping speed.
2nd, powder bed top sets infrared source；
3rd, a formable layer powder is laid on powder bed, forms working lining powder for molding；
4th, pass through to focus on the formable layer powder and line is sintered described in the radiation sinter molding in scan line sintering energy source
Region；
5th, change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region by
Radiation in more absorptive thermal radiation source causes its temperature to raise generation sintering；On the one hand the absorptivity to thermal source radiation is changed
Have various methods, including but not limited to spray thermal source radiation adsorber, by trigger light change powder for molding in photosensitive material
Absorption spectrum；On the other hand it is that erect image also can be negative-appearing image to change thermal source absorptive rate of radiation, for example, can make the spoke in sintering region
Absorptivity increase is penetrated, the absorptive rate of radiation in non-sintered region can also reduced；
6th, a formable layer powder is re-layed on powder bed, forms working lining powder for molding；
7th, pass through to focus on the formable layer powder and line is sintered described in the radiation sinter molding in scan line sintering energy source
Region, and be partially bonded together with the sintering of preceding layer；
8th, change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region by
Radiation in more absorptive thermal radiation source causes its temperature to raise generation sintering, and is combined with the part of sintering of preceding layer
Together；
9th, repeat step 6 to step 8 until completing whole forming process.
In addition, for hanging region, the previous layer segment that working lining sintering region correspondence is overlapped is then to adopt in non-sintered region
With line sintering processing improving formed precision.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
In scope disclosed by the invention, the change or replacement that can be readily occurred in should all be contained those familiar with the art
Lid is within the scope of the invention as claimed.
Claims (7)
1. it is a kind of quickly to sinter increasing material manufacturing equipment more, it is characterised in that including：Rack-mounted powder machine tool system, face
Sintering subsystem and line sintering subsystem；The powder machine tool system include vertical lift shaped platform, powder conveyance device and
Powder for molding is delivered to the powder laying apparatus, the powder laying dress by powder laying apparatus, the powder conveyance device
Put and the powder for molding is deposited in the shaped platform top composition powder bed, the powder bed upper surface includes and carries out sintering curing
Sintering region, the sintering region by face sinter region and be enclosed in face sintering zone it is overseas line sintering region constitute；Institute
Stating face sintering subsystem includes infrared source and face sintering initiating device.
2. a kind of much quicker sintering increasing material manufacturing equipment according to claim 1, it is characterised in that the line sinters subsystem
System includes line sintering energy source, laser scanning device and focusing arrangement；The focusing arrangement gathers the radiation in line sintering energy source
The burnt upper surface in powder bed.
3. a kind of much quicker sintering increasing material manufacturing equipment according to claim 1, it is characterised in that the face sintering triggers
Device includes the liquid numerical control nozzle on horizontal movement device, and be sprayed onto for radiation adsorber by the liquid numerical control nozzle
The face sinters region.
4. a kind of much quicker sintering increasing material manufacturing equipment according to claim 1, it is characterised in that the face sintering triggers
Device includes triggering optical projection device and the powder for molding includes photosensitive material, and the initiation optical projection device will trigger light
Project to the face sintering region.
5. a kind of much quicker sintering increasing material manufacturing equipment according to claim 1, it is characterised in that the line sintering energy
Source is laser.
6. a kind of much quicker sintering increasing material manufacturing equipment according to claim 1, it is characterised in that the powder for molding is
Nylon powder.
7. it is a kind of quickly to sinter increasing material manufacturing device and method, it is characterised in that to comprise the following steps more：
(1) it is, that sintering region is divided into face sintering and region and is enclosed in overseas line sintering zone, face sintering zone by every formable layer region
Domain, the line sintering region includes the outline of forming area, additionally it is possible to including the inside planned according to certain filling proportion
Dowel structure, certain filling proportion is specially the filling proportion less than 50% more than 0；Face sintering region is in remaining
Portion closure plane space, line sintering region can improve precision by laser sintered；Face sinters side of the region by radiation exposure
Formula sintering is conducive to improving shaping speed；
(2), powder bed top sets infrared source；
(3) a formable layer powder, is laid on powder bed, working lining powder for molding is formed；
(4), pass through to focus on and line sintering zone described in the radiation sinter molding in scan line sintering energy source on the formable layer powder
Domain；
(5), change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region due to
The more radiation in absorptive thermal radiation source causes its temperature to raise generation sintering；On the one hand change has to the absorptivity of thermal source radiation
Various methods, including sprinkling thermal source radiation adsorber, the absorption spectrum of photosensitive material in powder for molding is changed by triggering light；Separately
On the one hand it is that erect image also can be negative-appearing image to change thermal source absorptive rate of radiation, can increase the absorptive rate of radiation in sintering region, also can
Reduce the absorptive rate of radiation in non-sintered region；
(6) a formable layer powder, is re-layed on powder bed, working lining powder for molding is formed；
(7), pass through to focus on and line sintering zone described in the radiation sinter molding in scan line sintering energy source on the formable layer powder
Domain, and be partially bonded together with the sintering of preceding layer；
(8), change working lining powder for molding subregion for absorptivity that infrared source radiate so that face sintering region due to
More the radiation in absorptive thermal radiation source causes its temperature to raise generation sintering, and is combined one with the part of sintering of preceding layer
Rise；
(9), repeat step (6) to step (8) until completing whole forming process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059570.1A CN106738908B (en) | 2017-01-24 | 2017-01-24 | Rapid multi-sintering additive manufacturing equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059570.1A CN106738908B (en) | 2017-01-24 | 2017-01-24 | Rapid multi-sintering additive manufacturing equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106738908A true CN106738908A (en) | 2017-05-31 |
| CN106738908B CN106738908B (en) | 2023-08-18 |
Family
ID=58941886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710059570.1A Active CN106738908B (en) | 2017-01-24 | 2017-01-24 | Rapid multi-sintering additive manufacturing equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738908B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248026A (en) * | 2018-01-30 | 2018-07-06 | 深圳升华三维科技有限公司 | Projection-type laser heating system and 3D printer |
| CN112809398A (en) * | 2020-08-18 | 2021-05-18 | 连灿鑫 | Material increasing and decreasing combined machining center |
| CN113211593A (en) * | 2021-05-24 | 2021-08-06 | 王祥宇 | Additive manufacturing method for powder printing, sintering and laser composite processing |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0501380D0 (en) * | 2005-01-24 | 2005-03-02 | Univ Montfort | Rapid prototyping method using infrared sintering |
| CN1701944A (en) * | 2005-05-27 | 2005-11-30 | 上海大学 | Compound rapid forming method and device by integration of light solidification and fusion sediment |
| CN1950192A (en) * | 2004-03-16 | 2007-04-18 | 德古萨公司 | Method and device for producing three-dimensional objects using laser technology and for applying an absorber using an ink jet method |
| CN102229245A (en) * | 2011-04-27 | 2011-11-02 | 西安交通大学 | Photocuring rapid forming method adopting variable light spot process |
| CN104190928A (en) * | 2014-08-18 | 2014-12-10 | 中国科学院重庆绿色智能技术研究院 | Multi-wavelength laser area selection quick forming system and method |
| CN104859152A (en) * | 2015-05-25 | 2015-08-26 | 厦门达天电子科技有限公司 | Forming equipment and method for stereoscopic model |
| CN105538712A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | 3D printing method adopting laser hybrid profile scanning |
| CN105635705A (en) * | 2015-12-30 | 2016-06-01 | 大族激光科技产业集团股份有限公司 | Enhanced digital-light-processing mask exposure rapid prototyping method and apparatus |
| CN206446125U (en) * | 2017-01-24 | 2017-08-29 | 厦门达天电子科技有限公司 | A kind of quick many sintering increasing material manufacturing equipment |
-
2017
- 2017-01-24 CN CN201710059570.1A patent/CN106738908B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950192A (en) * | 2004-03-16 | 2007-04-18 | 德古萨公司 | Method and device for producing three-dimensional objects using laser technology and for applying an absorber using an ink jet method |
| GB0501380D0 (en) * | 2005-01-24 | 2005-03-02 | Univ Montfort | Rapid prototyping method using infrared sintering |
| CN1701944A (en) * | 2005-05-27 | 2005-11-30 | 上海大学 | Compound rapid forming method and device by integration of light solidification and fusion sediment |
| CN102229245A (en) * | 2011-04-27 | 2011-11-02 | 西安交通大学 | Photocuring rapid forming method adopting variable light spot process |
| CN104190928A (en) * | 2014-08-18 | 2014-12-10 | 中国科学院重庆绿色智能技术研究院 | Multi-wavelength laser area selection quick forming system and method |
| CN104859152A (en) * | 2015-05-25 | 2015-08-26 | 厦门达天电子科技有限公司 | Forming equipment and method for stereoscopic model |
| CN105538712A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | 3D printing method adopting laser hybrid profile scanning |
| CN105635705A (en) * | 2015-12-30 | 2016-06-01 | 大族激光科技产业集团股份有限公司 | Enhanced digital-light-processing mask exposure rapid prototyping method and apparatus |
| CN206446125U (en) * | 2017-01-24 | 2017-08-29 | 厦门达天电子科技有限公司 | A kind of quick many sintering increasing material manufacturing equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248026A (en) * | 2018-01-30 | 2018-07-06 | 深圳升华三维科技有限公司 | Projection-type laser heating system and 3D printer |
| WO2019148653A1 (en) * | 2018-01-30 | 2019-08-08 | 深圳升华三维科技有限公司 | Projection laser heating system and 3d printer |
| CN108248026B (en) * | 2018-01-30 | 2020-06-05 | 深圳升华三维科技有限公司 | Projection type laser heating system and 3D printer |
| CN112809398A (en) * | 2020-08-18 | 2021-05-18 | 连灿鑫 | Material increasing and decreasing combined machining center |
| CN113211593A (en) * | 2021-05-24 | 2021-08-06 | 王祥宇 | Additive manufacturing method for powder printing, sintering and laser composite processing |
| CN113211593B (en) * | 2021-05-24 | 2022-05-31 | 王祥宇 | Additive manufacturing method for powder printing, sintering and laser composite processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106738908B (en) | 2023-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106738908A (en) | A kind of quick many sintering increasing material manufacturing device and method | |
| US6589471B1 (en) | Selective inhibition of bonding of power particles for layered fabrication of 3-D objects | |
| KR101861531B1 (en) | Methods and apparatus for selectively combining particulate material | |
| CN104785780B (en) | A kind of device and method for improving selective laser sintering 3D printing part strength | |
| CN109590470A (en) | A kind of Multi-energy field increasing material manufacturing formation system | |
| CN105216332A (en) | The forming method of three-dimensional printer and three-dimensional printer | |
| CN205097566U (en) | Laser 3D printer | |
| US20060180957A1 (en) | Method and apparatus for combining particulate material | |
| ATE171099T1 (en) | PRODUCTION OF OBJECTS BY COMPOUNDING PRE-TREATED POWDERS | |
| CN105903961A (en) | Scanning/molding method for improving additive manufacturing/molding quality of metal part | |
| CN111482602B (en) | 3D printing device and method based on photocuring agent injection and capable of preventing blockage of spray head | |
| CN1476362A (en) | Method and apparatus for creating three-dimensional metal part using high-temp direct laser melting | |
| CN106182772B (en) | Multiple material rapid prototyping molding machine and method | |
| CN206446125U (en) | A kind of quick many sintering increasing material manufacturing equipment | |
| CN105290401B (en) | Metal 3 D-printing vacuum forming cavity body structure | |
| WO2019031979A1 (en) | Additive manufacturing apparatus with a heat shield for controlling heat losses from a powder bed | |
| CN110170652B (en) | Variable area forming surface printing device and printing method thereof | |
| EP3563203A1 (en) | Control data for manufacturing one three-dimensional object by means of a layer-wise solidification of a building material | |
| CN209534166U (en) | A kind of thermostatic control forming bin for 3D printing equipment | |
| CN109047759A (en) | A kind of Laser Scanning for improving interlaminar strength and reducing buckling deformation | |
| CN206335852U (en) | A kind of light-initiated quick increasing material manufacturing equipment | |
| CN112427653A (en) | Aluminum-based boron carbide additive manufacturing method and device based on in-situ reaction | |
| CN106738904A (en) | A kind of light-initiated quick increasing material manufacturing device and method | |
| KR101773062B1 (en) | Three-dimensional object | |
| CN204736443U (en) | Three -dimensional shaping board of photocuring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210120 Address after: Room 401, 248-3 Zengcheng Avenue, Licheng street, Zengcheng District, Guangzhou, Guangdong 511300 Applicant after: Guangzhou Hengrui Electronic Technology Co.,Ltd. Address before: Room 606, No. 70 Longshan South Road, Siming District, Xiamen City, Fujian Province Applicant before: XIAMEN DATIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |