CN108339984A - The method of forge piece surface growth labyrinth based on silk material 3D printing - Google Patents
The method of forge piece surface growth labyrinth based on silk material 3D printing Download PDFInfo
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- CN108339984A CN108339984A CN201810401151.6A CN201810401151A CN108339984A CN 108339984 A CN108339984 A CN 108339984A CN 201810401151 A CN201810401151 A CN 201810401151A CN 108339984 A CN108339984 A CN 108339984A
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- body structure
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- structure part
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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
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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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
-
- 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
-
- 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
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/68—Cleaning or washing
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of, and the forge piece surface based on silk material 3D printing grows the method for labyrinth, includes the following steps：A, basal body structure part is prepared；B, 3-D scanning is carried out to basal body structure part or three coordinate machine models, basal body structure part model is made；C, structure design is carried out in basal body structure part model surface, obtains the threedimensional model of final part；D, threedimensional model is subjected to two dimensionization slicing treatment, obtained parameter is imported into 3D printer, and import with basal body structure part material identical silk material ready-to-print；E, basal body structure part is positioned in 3D printer, increasing material manufacturing processing is carried out on basal body structure part surface.This method on original basal body structure part surface by generating complicated structure by 3D printer, silk material is identical as the material of basal body structure part simultaneously, so that the complex parts printed is completely embedded with basal body structure part metallurgical binding, avoids the tissue of cast member coarse low with stock utilization caused by stress concentration and forging, machining.
Description
Technical field
The method for the forge piece surface growth labyrinth that the present invention relates to a kind of based on silk material 3D printing, belong to metal at
Shape and manufacturing technology field.
Background technology
Currently, being produced commonly for the parts process industry of contour structures complexity, there are four types of methods：1, using precision
The method of casting prepares complex precise casting；2, it is obtained by the method material removal of mechanical processing using rough forging part
Obtain final part；3, by the method for powder metallurgy, powder is placed in mold, is fabricated through high temperature sintering；4, using increasing
Material manufacturing technology is process by 3D printing platform.But there is complicated knot for heavy parts and part inner wall or outside
The method that the parts of structure are above-mentioned is not applicable, is respectively present following problem：1, precision casting can cause the tissue of parts thick
Greatly, stress concentration, mechanical property is not as good as forging；2, the mach method stock utilization of forging is low, of high cost；3, powder metallurgy
Method needs to make metal die, and the production cycle is longer；4,3D printing technique needs fused deposition in layer, for large piece at
Shape is less efficient.
Invention content
Cause that tissue is coarse, stress concentration the technical problem to be solved by the present invention is to single manufacturing method；Material profit
It is low with rate, it is of high cost；Production cycle is long；Product qualified rate is low.
The technical solution adopted by the present invention to solve the technical problems is：Forge piece surface growth based on silk material 3D printing
The method of labyrinth, includes the following steps：
A, basal body structure part is prepared；
B, 3-D scanning is carried out to basal body structure part or three coordinate machine models, basal body structure part model is made；
C, structure design is carried out in basal body structure part model surface, obtains the threedimensional model of final part；
D, threedimensional model is subjected to two dimensionization slicing treatment, obtained parameter is imported into 3D printer, and import same matrix
The identical silk material ready-to-print of structural member material；
E, basal body structure part is positioned in 3D printer, increasing material system is carried out on basal body structure part surface by 3D printer
Processing is made, final part is obtained.
Wherein, the method that basal body structure part can be used casting, be forged or machined is prepared in the above method in step a.
Wherein, basal body structure part obtained is heat-treated and is surface-treated in step a in the above method.
Wherein, the 3D printer in the above method in step d is that high energy laser beam, electron beam or electric arc silk material 3D printing are flat
Platform.
Wherein, a diameter of 0.8~4.0mm of silk material in the above method in step d.
Wherein, it needs to change control parameter according to the material of basal body structure part in step d in the above method, including but not limited to
High energy beam power, wire feed direction and angle, wire feed rate, movement speed.
The beneficial effects of the invention are as follows：This method on original basal body structure part surface by 3D printer by being generated again
Miscellaneous structure, while silk material is identical as the material of basal body structure part, and the complex parts printed is made to pass through with basal body structure part
Metallurgical binding is completely embedded, while this method is combined using increases material manufacturing technology with conventional cast, forging, machining technique
Method prepares the parts with labyrinth, can to avoid cast member tissue is coarse and stress concentration, the performance brought is not
Profit, stock utilization caused by also can avoid forging machining is low, and for the extremely complex part of structure, machining has limitation
Property the case where, can not have to make expensive powder metallurgy die yet.Simultaneously a process for preparing complex structural member have part
Size range big (200mm~2000mm), (2 days~4 weeks) with short production cycle, stock utilization high (70%~90%) etc. are excellent
Point.It can effectively solve that the more complex component manufacturing cost of part-structure on large-scale part is high, product is qualified by this method
The problems such as rate is low.
Specific implementation mode
With reference to embodiment, the present invention is further described.
The present invention is based on the methods that the forge piece surface of silk material 3D printing grows labyrinth, include the following steps：
A, basal body structure part is prepared；
B, 3-D scanning is carried out to basal body structure part or three coordinate machine models, basal body structure part model is made；
C, structure design is carried out in basal body structure part model surface, obtains the threedimensional model of final part；
D, threedimensional model is subjected to two dimensionization slicing treatment, obtained parameter is imported into 3D printer, and import same matrix
The identical silk material ready-to-print of structural member material；
E, basal body structure part is positioned in 3D printer, increasing material system is carried out on basal body structure part surface by 3D printer
Processing is made, final part is obtained.It will be appreciated to those of skill in the art that this method passes through in original basal body structure part table
Face generates complicated structure by 3D printer, while silk material is identical as the material of basal body structure part, makes the complexity printed
Part is completely embedded with basal body structure part by metallurgical binding so that the final part structural strength of generation greatly improves.
Preferably, the method that basal body structure part can be used casting, be forged or machined is prepared in the above method in step a.
It will be appreciated to those of skill in the art that this method, which only preferably uses, prepares the method for basal body structure part as casting, forging
Or machining, because above-mentioned three kinds of preparation methods are routine techniques, parameter and material are easy to control, and yield rate is higher, can reduce
Prepare the cost of manufacture of basal body structure part.
Preferably, basal body structure part obtained is heat-treated and is surface-treated in step a in the above method.This field
Technical staff is, it is understood that the basal body structure part being prepared only preferably first first is heat-treated and surface by this method
Processing improves the mechanical performance of basal body structure part, cutting ability and resistance to eliminate elimination residual stress in preparation process etc.
Mill, corrosion resistance etc..It keeps the surface of basal body structure part smooth, makes the complex parts and matrix that are printed by subsequent step
Structural member metallurgical binding is completely embedded, and improves the structural strength of junction.
Preferably, the 3D printer in the above method in step d is high energy laser beam, electron beam or electric arc silk material 3D printing
Platform.It will be appreciated to those of skill in the art that this method only preferably uses 3D printer for high energy laser beam, electron beam
Or electric arc silk material 3D printing platform, the parametrization controllability of print procedure is improved, realizes essence of the labyrinth on basal body structure
Really growth, improves the precision of parts.
Preferably, a diameter of 0.8~4.0mm of silk material in the above method in step d.Skilled artisans appreciate that
, this method is a diameter of 0.8~4.0mm of preferred silk material so that material Melting And Solidification is easier to accurately control.
Preferably, it needs to change control parameter according to the material of basal body structure part in step d in the above method, including but unlimited
In high energy beam power, wire feed direction and angle, wire feed rate, movement speed.It will be appreciated to those of skill in the art that due to
The mechanical performance and chemical property of different materials differ, therefore in practical operation, it needs to be appropriately arranged with according to the difference of material
The parameter being adapted to material can just obtain final Qualified Parts.Specifically include high energy beam power, wire feed direction and angle,
The setting of the parameters such as wire feed rate, movement speed.Simultaneously because the parts prepared through 3D printer, surface are also adhered to
There is labyrinth and connect with basal body structure part prepared by remaining molten drop, part-structure part dimension deviation, while 3D printer
The place of connecing can also have partial interior residual stress, therefore need to could be made by machining, heat treatment, surface treatment, lossless detection
Final qualified parts.
Embodiment 1
Using the stick casting that material is 316L stainless steels as blank, basal body structure part is prepared by machining, to matrix
Structural member carries out the heat treatment procedure of 850 DEG C~985 DEG C/0.5h~2h/ oil coolings or air cooling.Then by ingredient, tissue detection,
Judge the tissue and ingredient of basal body structure part.Then high-precision three-dimensional scanning or three coordinate machine is used to sweep basal body structure
It retouches, by data processing softwares such as GomInspect, forms basal body structure model.Using Cero/ProE, UG or other three-dimensional moulds
Type design software carries out required labyrinth design, and final incorporated on it based on basal body structure model
Threedimensional model.Using Magics or other software, two dimensionization slicing treatment is carried out to threedimensional model, i.e., by model data along Z axis
Direction is a series of 2-D datas according to equal thickness parted pattern, and the number being processed can be identified by being processed into 3D printer
According to format, the processing of silk material 3D printer ready-to-print is imported.Using on high energy laser beam 3D printing platform according to the processing
Path starts to carry out increasing material manufacturing processing on basis material.Silk material uses Stainless steel 316 L materials, silk material diameter to select
1.2mm.It is arranged that laser beam power is 1500W, spot diameter 3.5mm, defocusing amount+25mm, wire feed direction are preceding wire feed, wire feed angle
The parameters such as 20 ° of degree, wire feed rate 0.7m/min, movement speed 0.48m/min control 3D printer by computer program and complete
The processing of part.Printout is taken out from 3D printing platform, clears up piece surface.Formation of parts process is machined, is heat-treated,
Surface treatment, lossless detection, to obtain the final part product with labyrinth.After testing, the tensile strength of experiment reaches
Horizontal higher than as cast condition (552MPa) and rolled (480MPa) to 620MPa, elongation percentage reaches 56%, be higher than as cast condition (55%) and
Rolled (40%) is horizontal.
Embodiment 2
Using the cheese casting that material is TC4 titanium alloys as blank, basal body structure part is prepared by machining, to matrix knot
Component carries out the heat treatment procedure of 900 DEG C~985 DEG C/0.5h~2.5h/ oil coolings or air cooling.Then by ingredient, tissue detection,
Judge the tissue and ingredient of basal body structure part.Then high-precision three-dimensional scanning or three coordinate machine is used to sweep basal body structure
It retouches, by data processing softwares such as GomInspect, forms basal body structure model.Using Cero/ProE, UG or other three-dimensional moulds
Type design software carries out required labyrinth design, and final incorporated on it based on basal body structure model
Threedimensional model.Using Magics or other software, two dimensionization slicing treatment is carried out to threedimensional model, i.e., by model data along Z axis
Direction is a series of 2-D datas according to equal thickness parted pattern, and the number being processed can be identified by being processed into 3D printer
According to format, the processing of silk material 3D printer ready-to-print is imported.Using on high-power electron beam 3D printing platform according to the processing
Path starts to carry out increasing material manufacturing processing on basis material.Silk material uses titanium alloy TC 4 material, silk material diameter to select 2.0mm.
Setting electronic beam current is 5.0mA, 2454~3540mA of focus current, wire feed rate 1500mm/min, movement speed 8000mm/
The parameters such as min control the processing that 3D printer completes part by computer program.Printout is taken out from 3D printing platform,
Clear up piece surface.The heat treating regime that 920 DEG C/lh WC+520 DEG C/6hAC is used to formation of parts, it is multiple to obtain having
The final part product of miscellaneous structure.After testing, the tensile strength of experiment reaches 845MPa, and elongation percentage reaches 6.9%.
Embodiment 3
Using the rectangular casting that material is Inconel625 nickel-base alloys as blank, basal body structure is prepared by machining
Part carries out basal body structure part the heat treatment procedure of 780 DEG C~1080 DEG C/0.5h~3.5h/ oil coolings or air cooling.Then pass through into
Divide, tissue detection, judges the tissue and ingredient of basal body structure part.Then use high-precision three-dimensional scanning or three coordinate machine to matrix
Structure is scanned, and by data processing softwares such as GomInspect, forms basal body structure model.Using Cero/ProE, UG or
Other threedimensional model design softwares carry out required labyrinth design, and final on it based on basal body structure model
Incorporated threedimensional model.Start on basis material according to the machining path using on high energy arc 3D printing platform
Carry out increasing material manufacturing processing.Silk material uses Ni-based Inconel625 materials, silk material diameter to select 2.5mm.Welding current, which is arranged, is
The parameters such as 100A, speed of welding 360mm/min, wire feed rate 600mm/min control 3D printer by computer program and complete
The processing of part.Printout is taken out from 3D printing platform, clears up piece surface.Formation of parts is used at the heat of 980 DEG C/lh
Reason system, to obtain the final part product with labyrinth.After testing, the tensile strength of experiment reaches 840MPa, prolongs
The rate of stretching reaches 30%.
Claims (6)
1. the method for the forge piece surface growth labyrinth based on silk material 3D printing, which is characterized in that include the following steps：
A, basal body structure part is prepared；
B, 3-D scanning is carried out to basal body structure part or three coordinate machine models, basal body structure part model is made；
C, structure design is carried out in basal body structure part model surface, obtains the threedimensional model of final part；
D, threedimensional model is subjected to two dimensionization slicing treatment, obtained parameter is imported into 3D printer, and import same basal body structure
The identical silk material ready-to-print of part material；
E, basal body structure part is positioned in 3D printer, carrying out increasing material manufacturing on basal body structure part surface by 3D printer adds
Work obtains final part.
2. the method for the forge piece surface growth labyrinth according to claim 1 based on silk material 3D printing, feature
It is：The method that basal body structure part can be used casting, be forged or machined is prepared in step a.
3. the method for the forge piece surface growth labyrinth according to claim 2 based on silk material 3D printing, feature
It is：Basal body structure part obtained is heat-treated and is surface-treated in step a.
4. the method for the forge piece surface growth labyrinth according to claim 1 based on silk material 3D printing, feature
It is：3D printer in step d is high energy laser beam, electron beam or electric arc silk material 3D printer.
5. the method for the forge piece surface growth labyrinth according to claim 1 based on silk material 3D printing, feature
It is：A diameter of 0.8~the 4.0mm of silk material in step d.
6. the method for the forge piece surface growth labyrinth according to claim 1 based on silk material 3D printing, feature
It is：It needs to change control parameter according to the material of basal body structure part in step d, including but not limited to high energy beam power, wire feed side
To with angle, wire feed rate, movement speed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401151.6A CN108339984B (en) | 2018-04-28 | 2018-04-28 | Method for growing complex structure on surface of cast-forged piece based on wire 3D printing |
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| CN201810401151.6A CN108339984B (en) | 2018-04-28 | 2018-04-28 | Method for growing complex structure on surface of cast-forged piece based on wire 3D printing |
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| CN108339984B CN108339984B (en) | 2021-01-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108907197A (en) * | 2018-09-06 | 2018-11-30 | 广东省新材料研究所 | A kind of metal parts grafting Method of printing |
| CN109047760A (en) * | 2018-08-22 | 2018-12-21 | 成都先进金属材料产业技术研究院有限公司 | The method of forge piece surface growth labyrinth based on powder melting increasing material manufacturing |
| CN109530696A (en) * | 2018-12-28 | 2019-03-29 | 天津镭明激光科技有限公司 | A kind of substrate melts manufacturing process as the selective laser of part a part |
| CN111036923A (en) * | 2019-12-06 | 2020-04-21 | 西安铂力特增材技术股份有限公司 | Method for manufacturing large-scale metal parts by combining casting and selective laser melting forming |
| CN115415546A (en) * | 2022-08-02 | 2022-12-02 | 成都先进金属材料产业技术研究院股份有限公司 | Method and device for manufacturing characteristic structure on surface of metal material in additive mode |
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| CN109530696A (en) * | 2018-12-28 | 2019-03-29 | 天津镭明激光科技有限公司 | A kind of substrate melts manufacturing process as the selective laser of part a part |
| CN111036923A (en) * | 2019-12-06 | 2020-04-21 | 西安铂力特增材技术股份有限公司 | Method for manufacturing large-scale metal parts by combining casting and selective laser melting forming |
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