CN106424725B - Three-stage fuse metal material increases the molding method of material - Google Patents
Three-stage fuse metal material increases the molding method of material Download PDFInfo
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- CN106424725B CN106424725B CN201610826977.8A CN201610826977A CN106424725B CN 106424725 B CN106424725 B CN 106424725B CN 201610826977 A CN201610826977 A CN 201610826977A CN 106424725 B CN106424725 B CN 106424725B
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- 239000000463 material Substances 0.000 title claims abstract description 95
- 238000000465 moulding Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007769 metal material Substances 0.000 title claims abstract description 16
- 230000008021 deposition Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 54
- 238000002844 melting Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 14
- 230000004927 fusion Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 8
- 230000006698 induction Effects 0.000 description 7
- 238000010891 electric arc Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- -1 wire Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
-
- 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
- B22F10/22—Direct deposition of molten metal
-
- 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
- B22F10/364—Process control of energy beam parameters for post-heating, e.g. remelting
-
- 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
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
-
- 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
- B22F12/10—Auxiliary heating 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
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/53—Nozzles
-
- 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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1053—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by induction
-
- 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 a kind of three-stage fuse metal materials to increase the molding method of material, its repeated revert-melt based on 1 pair of metalliferous material is to reduce the heat affected area on deposition modeling surface, 2 pairs are just heated in molding molding, are reduced the energy required in surface remelting and are reduced deposition difficulty.The present invention is realized using following technical scheme: 1 pair of metalliferous material is melted twice, and once in moulded head, second on deposition modeling surface.2 install non-contact thermal device on moulded head, such as load coil or laser, reheat while deposition to molding surface.
Description
Technical field
The present invention is a kind of molding scheme and machinery for increasing material forming field for metalliferous material three-dimensional, specifically a kind of gold
Belong to material three-dimensional and increases the molding method of material and its supporting machinery structure.
Background technique
Recently as the progress of science, " three-dimensional manufacturing technology " has obtained quick vigorous growth, and present technology is
Metal parts can be directly manufactured, but the prior art still has flaw on heat-welding process, fundamental factor is for
Through molding surface, remelting thinks little of again.
Summary of the invention
The present invention is based on following understanding: the repeated revert-melt of 1 pair of metalliferous material is to reduce the heat affecting on deposition modeling surface
Area, 2 pairs are just heated in molding molding, are reduced the energy required in surface remelting and are reduced deposition difficulty.
Technical problem solved by the invention is realized using following technical scheme: 1 pair of metalliferous material is melted twice,
Once in moulded head, second on deposition modeling surface.2 install non-contact thermal device on moulded head, and such as induction adds
Heat coil or laser reheat molding surface while deposition.
There are three heating stepses altogether for above method: the heating of 1 workbench or molding: 2 metalliferous materials enter moulded head
When first heating: 3 metalliferous material contact moudling platforms or molding surface heating again fusing.
Its another effect of the heating of step 1 workbench or molding is the heat treatment to three-dimensionally shaped object, to eliminate upper one
Caused internal stress when secondary molding.
The metalliferous material is metalliferous materials and the alloy materials such as wire, metal tape, metal powder.
Moulded head in following heat fusion step is driven by numerical control motion module, and the movement of numerical control motion module is by digital control system
It is controlled according to numerical control code.
Three kinds of examples are carried out in molding room below, internal to be used for isolating oxygen filled with inert protective gas when molding
Gas prevents the oxidation of three-dimensionally shaped object.
It works carrying out molding vacuum machine in the process, so that molten bath is kept shaped metal liquid not by air entry air-flow
It trickles everywhere.
The feeding amount of metalliferous material is controlled by digital control system in three kinds of examples below.
(i) when starting to carry out molding procedure, metalliferous material enters inside moulded head, and metalliferous material can be wrapped in molding
The magnetic field heating fusing that load coil on head generates, after metalliferous material is formed the heating fusing of the copper tube coil in head
Continue to move across wire feed rolls electrode and workbench when expects pipe moves to workbench and form access, molten metal material is by again
Heating, if there is the three-dimensionally shaped object manufactured on workbench, when molten metal material touches one on three-dimensionally shaped object
When secondary molding surface, last molding surface can be melted again, the metalliferous material that new conveying comes can and it is molding
Metalliferous material is closely combined as a whole, the load coil installed on moulded head when carrying out above step while can will just
It is heated again in molding molding, when can be further reduced metalliferous material contact moudling platform or molding surface in this way
Heat needed for heating fusing again.
(ii) it when starting to carry out molding procedure, can be wrapped on moulded head into the metalliferous material inside moulded head
The magnetic field heating fusing that load coil generates melts subsequent reforwarding when metalliferous material is formed the heating of the copper tube coil in head
Dynamic to be moved to when reaching position close enough close to workbench across expects pipe, the metalliferous material of wire feed rolls electrode energization can be with molding
Electric arc is generated between platform, molten metal material, which is heated again, to drop down, if there is the three-dimensional manufactured on workbench
Molding can be dropped in three-dimensionally shaped object surface, if can be dropped in workbench surface without molding: the molding last time at
The surface of type can be melted again or the surface of workbench can by arc-melting, metalliferous material that new conveying comes can and at
The metalliferous material of type or workbench surface are closely combined as a whole, the laser head installed on moulded head when carrying out above step
Will use laser just will carry out primary heating on molding molding surface or workbench, can be further reduced metal object in this way
Expect that required heat is melted in heating again when contact moudling platform or molding.
(iii) when starting to carry out molding procedure, metal enters inside moulded head, and metalliferous material can be wrapped in moulded head
On load coil generate magnetic field heating fusing, when metalliferous material be formed the copper tube coil in head heating fusing it is subsequent
It is continuous to move across wire feed rolls electrode and workbench when expects pipe moves to workbench and form access, molten metal material by again plus
Heat, if there is the three-dimensionally shaped object manufactured on workbench, when molten metal material touches the three-dimensionally shaped object last time
When molding surface, the last time, molding surface can be melted again, and the metalliferous material that new conveying comes can be with oneself through molding gold
Belong to material to be closely combined as a whole, the plasma apparatus installed on moulded head when carrying out above step will use plasmatorch
Primary heating just will be carried out in molding molding, metalliferous material contact moudling platform or molding surface can be further reduced in this way
Heat needed for Shi Zaici heating fusing.
Moulded head can spray gas to just cooling down at molding position when three of the above example heats, and make the gold of fusing
Belonging to material will not trickle everywhere.
In three above heating process, required energy size is heated by digital control system according to used metalliferous material
Characteristics Control.
In example (i), the induction that metalliferous material is heated on moulded head can be used to the load coil of molding heating
Heating coil deformation, which extends, to be obtained, and can also install second load coil additional on moulded head.
To be only used as example be not restriction method to heating means involved in herein, if any meeting this patent spirit
Modification and improvement also belong to the protection scope of this patent.
Numerical control code described herein can be generated by computer, can use " Computer Aided Design Model " or
" CAD model " generates, and is specifically virtual 3-D image.
The moulded head is the component for carrying out metalliferous material hot melt molding and deposition.
The workbench is to be fixed in NC Motion System to be used to support the molding platform of three-dimensionally shaped object, is also used to
Three-dimensionally shaped object conducting electric current.
The metalliferous material is metalliferous materials and the alloy materials such as wire, metal tape, metal powder, is 3D printing
Consumptive material.
Melting coil, which is mounted on moulded head, adds the metalliferous material moved to inside moulded head
The component of heat fusing provides energy by induction heating machine.
The secondary fusion coil is that the disccoil being fixed on moulded head add again with to three-dimensionally shaped object
Heat provides energy by induction heating machine.
Wire feed rolls electrode is a kind of using motor-driven metal wheel connection electric resistance welding welding machine or arc welder, effect be to
Metalliferous material is powered and conveying metalliferous material.
The molten drop is the molten drop that metalliferous material generates when by arc-melting.
The molten bath is the liquid metal bath formed on three-dimensionally shaped object surface.
The expects pipe is a kind of pipeline that heat-resisting material is made for passing through wire.
The vacuum machine is a kind of vacuum air pump, for generating negative pressure, is connected by pipeline with air entry, and when work generates
Negative pressure molten drop can be made not trickle everywhere by pipeline and air entry.
The induction heating machine is used to provide high frequency alternating current, primary and secondary fusing to primary and secondary melting coil
Coil can heat metal and be allowed to melt.
The optical fiber laser passes through optical fiber and camera lens heated three-dimensional molding for generating laser.
For the electric resistance welding welding machine for heating metalliferous material, an electrode is another by wire feed rolls electrode connection metalliferous material
A electrode connects workbench, and when metalliferous material contact moudling platform or the three-dimensionally shaped object connected with workbench, electric current can will be contacted
That point metalliferous material and three-dimensionally shaped object surface melting.
For the electric arc welding machine for heating metalliferous material, an electrode is another by wire feed rolls electrode connection metalliferous material
A electrode connects workbench, when metalliferous material expects pipe, which is moved to, reaches position close enough close to workbench, metalliferous material with
The gas between three-dimensionally shaped object on workbench or workbench by voltage breakdown generate electric arc, metalliferous material and workbench or at
The surface of three-dimensionally shaped object on type platform is all melted, and the surface of the three-dimensionally shaped object on workbench or workbench forms molten bath,
Metalliferous material fusing generates molten drop, and being dropped in molten bath can complete to deposit.
The plasmatorch that the plasma power supply and plasma spout generate is used for heated three-dimensional molding.
Detailed description of the invention
Fig. 1 is the structure chart of example (i).
Fig. 2 is the structure chart of example (ii).
Fig. 3 is the structure chart of example (iii).
In figure: moulded head 1, workbench 2, metalliferous material 3, melting coils 4, secondary fusion coil 5, a wire feed rolls electrodes
6, three-dimensionally shaped object 7, molten drop 8, molten bath 9, expects pipe 10, vacuum machine 11, pipeline 12, induction heating machine 13, optical fiber laser 14, electricity
Welding resistance welding machine 15, arc welder 16, optical fiber 17, laser lens 18, air entry 19, heating plasma power supply 20, plasma spout
21。
Specific embodiment
It below will the present invention is described in detail by Example embodiments.
These embodiments should not be construed to the general range of inventive idea, the idea of aforementioned present invention is by metal object
The fusing of material is split as three steps or three positions: 1. pairs of oneself molding three-dimensionally shaped objects carry out heating again, and 2. one-tenth
Incipient melting in type head, the fusion sediment on 3. molding surfaces.Its concrete thought can also be described as primary fusing being split as repeatedly
Fusing heating is merged completely up to metalliferous material, and own molding is heated, and makes the three-dimensional three-dimensional for increasing most critical in material molding procedure
The difficulty of the surface melting fusion of molding reduces, and another effect is the heat treatment to three-dimensionally shaped object, to eliminate the last time
Caused internal stress when molding, this principle can also describe are as follows: increase molding three heating of introducing in the process of material in three-dimensional
Two heating processes of process, 1 metalliferous material enter first heating when moulded head, 2 metalliferous material contact moudling platforms or molding
The heating again on surface is melted, the process of the heat fusion for being heated to be metalliferous material and molded surface of 3 workbenches or molding.Its
In further include carry out it is molding during using vacuum plant generate suction, the suction of air-flow make molten bath keep shaped metal liquid
It does not trickle everywhere.
Moulded head 1 in following heat fusion step is driven by numerical control motion module, the moulded head 1 when starting to carry out molding procedure
It can be moved to accurate location by numerical control motion module and then start following heat-welding process, the movement of numerical control motion module is by numerical control system
System is controlled according to numerical control code.
Below in three examples, when carrying out molding process, vacuum machine 11 works, by 19 air-breathing of air entry,
Air-flow makes molten bath that shaped metal liquid be kept not trickle everywhere, and vacuum machine 11 connects air entry 19 by pipeline 12.
(i) embodiment of example.
Melting coil 4 and secondary fusion coil 5 are to provide energy by induction heating machine 13, when starting to carry out molding work
When sequence, the magnetic field generated into the metal object inside moulded head 1 and the melting coil 4 that can be wrapped on moulded head 1 adds
Heat fusing, when the subsequent continuous expects pipe 10 that moves across of a melting coil 4 heating fusing that metalliferous material 3 is formed in first 1 moves
Wire feed rolls electrode 6 forms access by metalliferous material 3 and workbench 2 when to workbench 2, and molten metal material 3 is by electric resistance welding
The electric current of welding machine 15 heats again, if there is the three-dimensionally shaped object 7 manufactured on workbench 2, when molten metal material 3 connects
When contacting three-dimensionally shaped 7 last molding surface of object, last molding surface can form molten bath 9 by fusing again, new defeated
The metalliferous material 3 sent can closely be combined as a whole with molding metalliferous material 3, the molding when carrying out above step
It the secondary fusion coil 5 installed on first 1 while can just will be heated again in molding three-dimensionally shaped object 7, it in this way can be into
Required heat is melted in heating again when one step reduces 3 contact moudling platform 2 of metalliferous material or three-dimensionally shaped 7 surface of object.
(ii) embodiment of example.
When starting to carry out molding procedure, can be wrapped on moulded head 1 into the metalliferous material 3 inside moulded head 1
The magnetic field heating fusing that melting coil 4 generates, when metalliferous material 3 is formed the heating fusing of a melting coil 4 in first 1
The subsequent continuous expects pipe 10 that moves across moves to when reaching position close enough close to workbench 2, the metal of the energization of wire feed rolls electrode 6
Generating electric arc between 3 meeting of material and workbench 2, molten metal material 3, which is heated again, to be formed molten drop 8 and drops down, if
There is the three-dimensionally shaped object 7 manufactured on workbench 2, three-dimensionally shaped 7 surface of object can be dropped in, if without three-dimensionally shaped object 7
2 surface of workbench can be dropped in: the last molding surface of three-dimensionally shaped object 7 can be melted again or the surface of workbench 2
Can be by arc-melting formation molten bath 9, the metalliferous material 3 that new conveying comes can be with 2 surface of molding metalliferous material 3 or workbench
Closely be combined as a whole, the laser lens 18 installed on moulded head 1 when carrying out above step will use laser will at
7 surface of three-dimensionally shaped object of type or workbench 2 carry out primary heating, can be further reduced 3 contact moudling of metalliferous material in this way
Heat needed for heating is melted again when platform 2 or three-dimensionally shaped object 7.
(iii) embodiment of example.
When starting to carry out molding procedure, can be wrapped on moulded head 1 into the metalliferous material 3 inside moulded head 1
The magnetic field heating fusing that melting coil 4 generates, when metalliferous material 3 is formed the heating fusing of a melting coil 4 in first 1
It is subsequent continuous to move across wire feed rolls electrode 6 and workbench 2 when expects pipe 10 moves to workbench 2 and form access, molten metal object
Material 3 is heated again, if there is the three-dimensionally shaped object 7 manufactured on workbench 2, when molten metal material 3 touches three
When tieing up the last molding surface of molding 7, last molding surface can form molten bath 9 by fusing again, what new conveying came
Metalliferous material 3 can closely be combined as a whole with molding metalliferous material 3, pacify on moulded head 1 when carrying out above step
The plasma apparatus plasma spout 21 of dress, which will use plasmatorch, just to carry out primary heating in molding three-dimensionally shaped object 7,
Required heat is melted in heating again when can be further reduced 3 contact moudling platform 2 of metalliferous material or three-dimensionally shaped 7 surface of object in this way
Amount.
Basic principle and main feature and advantages of the present invention of the invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (3)
1. three-stage fuse metal material increases the molding method of material, which is characterized in that will be hot during three-dimensional increasing material is molding
Molten step is divided into:
Step 1 metalliferous material enters first heating when moulded head；
The heating again on step 2 molten metal material contact moudling platform or molding surface is melted；
The heating on step 3 workbench or molding surface；
Wherein step 1 and step 2 melt metalliferous material twice, and once in moulded head, second in deposition modeling table
Face, step 3 install non-contact thermal device on moulded head, i.e., load coil is while deposition to just molding
Molding is heated；
Multiple fusing heating metalliferous material merges completely up to metalliferous material, molded object is heated, due to newly conveying the gold come
Belong to material and just all have reached red molten state on molding three-dimensionally shaped object surface, so when the two is contacted or soon contacted
The two fusion completely can be made by carrying out primary hot melt, melt the three-dimensional surface for increasing the three-dimensionally shaped object of most critical in material molding procedure
The difficulty for changing fusion reduces；
The process of step 3 workbench or the heat fusion for being heated to be metalliferous material and molded surface of molding；Step 3 workbench or
Its another effect of the heating of molding is the heat treatment to three-dimensionally shaped object, it is caused when eliminating last molding in answer
Power；
Carry out it is molding during using vacuum plant generate suction, the suction of air-flow makes molten bath keep shaped metal liquid not four
Place's trickling.
2. three-stage fuse metal material increases the molding method of material according to claim 1, which is characterized in that
After carrying out the step of melting for the first time and for the second time to metalliferous material during three-dimensional increasing material is molding, what new conveying came
Metalliferous material understands and molding metalliferous material or workbench surface are closely combined as a whole.
3. three-stage fuse metal material increases the molding method of material according to claim 1, which is characterized in that increase material in three-dimensional
During molding, to just heating in molding molding, surface or entirety is made to reach red molten state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610826977.8A CN106424725B (en) | 2016-09-09 | 2016-09-09 | Three-stage fuse metal material increases the molding method of material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826977.8A CN106424725B (en) | 2016-09-09 | 2016-09-09 | Three-stage fuse metal material increases the molding method of material |
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| CN106424725B true CN106424725B (en) | 2019-07-05 |
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| CN106891006B (en) * | 2017-04-18 | 2019-04-19 | 中国科学院重庆绿色智能技术研究院 | A kind of selective laser fusing TC4 in-situ annealing goes residual stress method |
| CN108252826B (en) * | 2017-12-29 | 2020-01-03 | 哈尔滨工程大学 | Active metal fuel conveying and melting device |
| CN110216289B (en) * | 2019-07-23 | 2020-09-18 | 桂林理工大学 | 3D metal printer and preparation method of 3D printed metal part |
| US11358215B2 (en) | 2020-03-03 | 2022-06-14 | Xerox Corporation | Three-dimensional printing system and method of three-dimensional printing |
| CN115255399A (en) * | 2022-08-05 | 2022-11-01 | 西安交通大学 | 3D printing device and method for eliminating printing defects by utilizing micro-area synchronous heat treatment |
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