CN107876769B - A kind of large size, thin walled open labyrinth combination increasing material manufacturing method - Google Patents
A kind of large size, thin walled open labyrinth combination increasing material manufacturing method Download PDFInfo
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- CN107876769B CN107876769B CN201711258248.8A CN201711258248A CN107876769B CN 107876769 B CN107876769 B CN 107876769B CN 201711258248 A CN201711258248 A CN 201711258248A CN 107876769 B CN107876769 B CN 107876769B
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- 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
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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]
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B22F3/24—After-treatment of workpieces or articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The present invention provides a kind of large size, thin walled open labyrinth combination increasing material manufacturing method, its step: forming placement members width direction is melted in selective laser and designs 1~2mm machining allowance, in 2~4mm of the unilateral design machining allowance of Laser Melting Deposition shaping component；It is transition region between Laser Melting Deposition shaping and selective laser fusing shaping；After the completion of selective laser smelting technology realizes net forming, component and substrate are subjected to stress relief annealing process；Realize that component is separated with substrate by wire cutting or sawing machine cutting；Shaping policy is overlapped using two pass and small light spot, small powder sending quantity, low energy input parameter realize the combination interface tissue around continuity transition, then realizes that remaining position efficiently shapes using large spot, big powder sending quantity, high-energy input；Overall structure is finally subjected to solid-solution and aging heat treatment.The present invention can effectively avoid many problems, realize the high-efficiency high-accuracy manufacture of large scale complex thin-wall component.
Description
Technical field
The invention belongs to increases material manufacturing technology field, in particular to a kind of large size, thin walled open labyrinth combination increases material
Manufacturing method.
Background technique
Forming technique is melted in selective laser, successively scans fusing, superposition forming to alloy powder is overlay based on laser beam, at
Shape precision reaches 0.1mm, is very suitable to the high-precision of small-medium size difficult-to-machine metal complex-shaped surface mould, type face, thin-walled, variable section structure
Integration manufacture.Laser Melting Deposition technology successively melts simultaneously stack shaping to synchronous transport alloy powder based on laser beam, needs
Following process, deposition efficiency is high, is suitble to the quick manufacture of large scale complexity blank.
Currently, individually can only realize the high-precision of part small-medium size complex component using selective laser fusing forming technique
Integration manufacture, and there is excessive weak rigidity, weak intensity Auxiliary support in such elements during formation, Deformation control difficulty is big,
Easily cause forming process unstable, product size is overproof, and supports removal difficulty and heavy workload, and forming efficiency is low, the period
It is long, high production cost.Individually using Laser Melting Deposition technology can realize in large scale complexity metal rough piece integration it is quick
Manufacture, but complicated deep chamber, inner flow passage, the semiclosed and isostructural following process difficulty of closing are big, or even can not carry out subsequent add
Work.
Summary of the invention
The purpose of the present invention is to provide a kind of large size, thin walled open labyrinths to combine increasing material manufacturing method, uses
Selective laser smelting technology is combined with Laser Melting Deposition technology realizes large size, thin walled open labyrinth integration manufacture,
Solve Deformation control and combination interface tissue continuity regulation problem.
Realize the technical solution of the object of the invention: a kind of large size, thin walled open labyrinth combination increasing material manufacturing method,
It includes the following steps:
Step a) is to inhibit large size, thin walled open labyrinth cobble deformation, and overhung structure is more, following process difficulty is big
Or cannot achieve the position of following process using selective laser fusing forming, remaining position is using Laser Melting Deposition forming；?
Selective laser fusing forming placement members width direction designs 1~2mm machining allowance, in Laser Melting Deposition shaping component
2~4mm of unilateral design machining allowance；
It is transition region, the mistake between step b) Laser Melting Deposition shaping and selective laser fusing shaping
Cross area longitudinal section be inverted trapezoidal or fall " convex " font structure；
After the completion of step c) selective laser smelting technology realizes net forming, component and substrate are integrally subjected to stress relief annealing
Processing, annealing temperature are 500~600 DEG C, and annealing time is not less than 2 hours；
Step d) realizes that component is separated with substrate by wire cutting or sawing machine cutting, guarantees that combination interface any two points are maximum
Difference in height is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm；
Step e) realizes step d) using two pass overlap joint shaping policy and small light spot, small powder sending quantity, low energy input parameter
The combination interface tissue around continuity transition then realizes remainder portion using large spot, big powder sending quantity, high-energy input
Position efficiently forming；
Overall structure is finally carried out solid-solution and aging heat treatment, organization of regulation control performance by step f).
Large size, thin walled open labyrinth as described above a kind of combines increasing material manufacturing method, described in large scale it is thin
The open labyrinth of wall, single side size are less than or equal to 5mm in 300~400mm or more, thickness.
A kind of large size, thin walled open labyrinth as described above combines increasing material manufacturing method, when transition region is designed as indulging
When section is inverted trapezoidal structure form, the angle between trapezoidal two sides and vertical direction is less than or equal to 45 degree.
A kind of large size, thin walled open labyrinth as described above combines increasing material manufacturing method, and step b) is selected in laser
Area's fusing forming placement members width direction design sheet or fence type reinforcement structure.
Large size, thin walled open labyrinth as described above a kind of combines increasing material manufacturing method, described in thin plate or grid
Column reinforcement structure is highly 5~25mm with a thickness of 2~4mm, and the width of rib is highly with a thickness of 2~4mm for 2~4mm
5~25mm guarantees that the surplus can facilitate following process to remove.
A kind of large size, thin walled open labyrinth as described above combines increasing material manufacturing method, leads to described in step d)
It crosses wire cutting or sawing machine cutting realizes that component is separated with substrate, by combination interface polishing, processing, drying and processing, guarantee to combine
Interface any two points maximum height difference be less than or equal to 1-2mm, surface roughness Ra be less than or equal to 12.5 μm, realize combination interface without
Defect forming.
A kind of large size, thin walled open labyrinth as described above combines increasing material manufacturing method, small light described in step e)
1~3mm of spot diameter, the small powder sending quantity of spot are 5-10g/min, low energy input is 500~1500W of laser power, scanning speed
Spend 600-1200mm/min.
Large size, thin walled open labyrinth as described above a kind of combines increasing material manufacturing method, big described in step e)
5~6mm of spot diameter, the big powder sending quantity of hot spot are 20-30g/min, high-energy input is 2500~3500W of laser power, sweeps
Retouch speed 600-800mm/min.
A kind of large size, thin walled open labyrinth as described above combines increasing material manufacturing method, consolidates described in step f)
Molten aging strengthening model, solid solution temperature are 910~960 DEG C, keep the temperature 1~3 hour；Aging temperature is 500~550 DEG C,
Heat preservation 4~6 hours.
Effect of the invention is that: the large size, thin walled open labyrinth of one kind of the present invention combines increasing material manufacturing side
Selective laser fusing forming technique is combined with Laser Melting Deposition technology, considers forming process stress deformation control as a whole by method
System designs forming arrangements and transition region structure type, and overhung structure is more, following process difficulty is big and cannot achieve following process
Net forming is realized using selective laser smelting technology in position, uses Laser Melting Deposition technology after faying face processing or finishing processing
It realizes remaining opening character thin wall complex structure, convenient for the quick manufacture at following process position and following process, can effectively avoid
Many problems are stated, realize the high-efficiency high-accuracy manufacture of large scale complex thin-wall component.The present invention both can avoid individually using laser
It can only realize that the manufacture of fraction small-medium size complex component, deformation and shape stability can not be effective existing for selective melting technology
A series of problems, such as control, support removal difficulty and low period length of heavy workload, forming efficiency, high production cost, and can avoid
Individually using structures following process difficulty such as the deep chamber of complexity existing for Laser Melting Deposition technology, inner flow passage, semiclosed and closings
The big problems such as can not even carry out.
Detailed description of the invention
Fig. 1 is transition region structure type schematic diagram；
Fig. 2 is transition region side and back side thin plate or fence type reinforcement structure schematic diagram.
In figure: 1 is Laser Melting Deposition position, and 2 melt shaping for selective laser, and 3 be thin plate reinforcement structure or grid
Column reinforcement structure, 4 be transition region.
Specific embodiment
Open labyrinth combination large size, thin walled to one kind of the present invention in the following with reference to the drawings and specific embodiments
Increasing material manufacturing method is further described.
Embodiment 1
Large size, thin walled open labyrinth of the present invention, single side size is in 400mm or more, thickness 5mm.
As shown in Figure 1 to Figure 2, the large size, thin walled open labyrinth of one kind of the present invention combines increasing material manufacturing side
Method comprising following steps:
Step a) is to inhibit large size, thin walled open labyrinth cobble deformation, and overhung structure is more, following process difficulty is big
Or cannot achieve the position of following process using selective laser fusing forming, remaining position is using Laser Melting Deposition forming；?
Selective laser melts 2 surface member width direction of shaping and designs 2mm machining allowance, in 1 component of Laser Melting Deposition shaping
Unilateral design machining allowance 4mm；
It is transition region 4 between step b) Laser Melting Deposition shaping 1 and selective laser fusing shaping 2, it is described
4 longitudinal section of transition region be inverted trapezoidal or fall " convex " font structure；It is inverted trapezoidal structure shape when transition region 4 is designed as longitudinal section
When formula, 45 degree of the angle between trapezoidal two sides and vertical direction；It is set in selective laser fusing 2 surface member width direction of shaping
Count thin plate or fence type reinforcement structure 3；
After the completion of step c) selective laser smelting technology realizes net forming, component and substrate are integrally subjected to stress relief annealing
Processing, annealing temperature are 600 DEG C, annealing time 2 hours；
Step d) realizes that component is separated with substrate by wire cutting or sawing machine cutting, guarantees that combination interface any two points are maximum
Difference in height is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm；
Described realizes that component is separated with substrate by wire cutting or sawing machine cutting, by combination interface polishing, processing, dries
Dry-cure guarantees that combination interface any two points maximum height difference is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm,
Realize the forming of combination interface zero defect.
Step e) realizes step d) using two pass overlap joint shaping policy and small light spot, small powder sending quantity, low energy input parameter
The combination interface tissue around continuity transition then realizes remainder portion using large spot, big powder sending quantity, high-energy input
Position efficiently forming；
Spot diameter 3mm, the small powder sending quantity of the small light spot are 10g/min, low energy input is laser power
1500W, scanning speed 1200mm/min；
Spot diameter 6mm, the big powder sending quantity of the large spot are 30g/min, high-energy input is laser power
3500W, scanning speed 800mm/min；
Overall structure is finally carried out solid-solution and aging heat treatment, organization of regulation control performance by step f)；
The solid-solution and aging heat treatment, solid solution temperature are 960 DEG C, keep the temperature 1 hour；Aging temperature is 550
DEG C, keep the temperature 4 hours.
Embodiment 2
Large size, thin walled open labyrinth of the present invention, single side size is in 300mm or more, thickness 4mm.
As shown in Figure 1 to Figure 2, the large size, thin walled open labyrinth of one kind of the present invention combines increasing material manufacturing side
Method comprising following steps:
Step a) is to inhibit large size, thin walled open labyrinth cobble deformation, and overhung structure is more, following process difficulty is big
Or cannot achieve the position of following process using selective laser fusing forming, remaining position is using Laser Melting Deposition forming；?
Selective laser melts 2 surface member width direction of shaping and designs 1mm machining allowance, in 1 component of Laser Melting Deposition shaping
Unilateral design machining allowance 2mm；
It is transition region 4 between step b) Laser Melting Deposition shaping 1 and selective laser fusing shaping 2, it is described
4 longitudinal section of transition region be inverted trapezoidal or fall " convex " font structure；It is inverted trapezoidal structure shape when transition region 4 is designed as longitudinal section
When formula, 30 degree of the angle between trapezoidal two sides and vertical direction.It is set in selective laser fusing 2 surface member width direction of shaping
Count thin plate or fence type reinforcement structure 3；
After the completion of step c) selective laser smelting technology realizes net forming, component and substrate are integrally subjected to stress relief annealing
Processing, annealing temperature are 500 DEG C, annealing time 4 hours；
Step d) realizes that component is separated with substrate by wire cutting or sawing machine cutting, guarantees that combination interface any two points are maximum
Difference in height is less than or equal to 1mm, and surface roughness Ra is less than or equal to 12.5 μm；
Described realizes that component is separated with substrate by wire cutting or sawing machine cutting, by combination interface polishing, processing, dries
Dry-cure guarantees that combination interface any two points maximum height difference is less than or equal to 1mm, and surface roughness Ra is less than or equal to 12.5 μm,
Realize the forming of combination interface zero defect.
Step e) realizes step d) using two pass overlap joint shaping policy and small light spot, small powder sending quantity, low energy input parameter
The combination interface tissue around continuity transition then realizes remainder portion using large spot, big powder sending quantity, high-energy input
Position efficiently forming；
Spot diameter 1mm, the small powder sending quantity of the small light spot be 5g/min, low energy input be laser power 500W,
Scanning speed 600mm/min；
Spot diameter 5mm, the big powder sending quantity of the large spot are 20g/min, high-energy input is laser power
2500W, scanning speed 600mm/min；
Overall structure is finally carried out solid-solution and aging heat treatment, organization of regulation control performance by step f)；
The solid-solution and aging heat treatment, solid solution temperature are 910 DEG C, keep the temperature 3 hours；Aging temperature is 500
DEG C, keep the temperature 6 hours.
Embodiment 3
Large size, thin walled open labyrinth of the present invention, for single side size in 300~400mm or more, thickness is small
In or equal to 5mm.
As shown in Figure 1 to Figure 2, the large size, thin walled open labyrinth of one kind of the present invention combines increasing material manufacturing side
Method comprising following steps:
Step a) is to inhibit large size, thin walled open labyrinth cobble deformation, and overhung structure is more, following process difficulty is big
Or cannot achieve the position of following process using selective laser fusing forming, remaining position is using Laser Melting Deposition forming；?
Selective laser melts 2 surface member width direction of shaping and designs 1~2mm machining allowance, in 1 structure of Laser Melting Deposition shaping
2~4mm of the unilateral design machining allowance of part；
It is transition region 4 between step b) Laser Melting Deposition shaping 1 and selective laser fusing shaping 2, it is described
4 longitudinal section of transition region be inverted trapezoidal or fall " convex " font structure；It is inverted trapezoidal structure shape when transition region 4 is designed as longitudinal section
When formula, the angle between trapezoidal two sides and vertical direction is less than or equal to 45 degree.In selective laser, fusing 2 component of shaping is wide
Spend direction design sheet or fence type reinforcement structure 3；
After the completion of step c) selective laser smelting technology realizes net forming, component and substrate are integrally subjected to stress relief annealing
Processing, annealing temperature are 550 DEG C, and annealing time is not less than 2 hours；
Step d) realizes that component is separated with substrate by wire cutting or sawing machine cutting, guarantees that combination interface any two points are maximum
Difference in height is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm；
Described realizes that component is separated with substrate by wire cutting or sawing machine cutting, by combination interface polishing, processing, dries
Dry-cure guarantees that combination interface any two points maximum height difference is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm,
Realize the forming of combination interface zero defect；
Step e) realizes step d) using two pass overlap joint shaping policy and small light spot, small powder sending quantity, low energy input parameter
The combination interface tissue around continuity transition then realizes remainder portion using large spot, big powder sending quantity, high-energy input
Position efficiently forming；
Spot diameter 2mm, the small powder sending quantity of the small light spot be 8g/min, low energy input be laser power 1000W,
Scanning speed 800mm/min；
Spot diameter 5mm, the big powder sending quantity of the large spot are 25g/min, high-energy input is laser power
3000W, scanning speed 700mm/min；
Overall structure is finally carried out solid-solution and aging heat treatment, organization of regulation control performance by step f)；
The solid-solution and aging heat treatment, solid solution temperature are 940 DEG C, keep the temperature 2 hours；Aging temperature is 520
DEG C, keep the temperature 5 hours.
Finally it should be noted that the above specific embodiment is merely illustrative of the technical solution of the present invention without by above-mentioned specific
The limitation of embodiment, other any changes made without departing from the spirit and principles of the present invention, modification, combination, letter
Change, should be equivalent substitute mode, be included within the scope of the present invention.
Claims (7)
1. a kind of large size, thin walled open labyrinth combines increasing material manufacturing method, it is characterised in that: this method includes following step
It is rapid:
Step a) is to inhibit large size, thin walled open labyrinth cobble deformation, and overhung structure is more, following process difficulty is big or nothing
Method realizes the position of following process using selective laser fusing forming, remaining position is shaped using Laser Melting Deposition；In laser
1~2mm machining allowance is designed in selective melting shaping (2) surface member width direction, in Laser Melting Deposition shaping (1) structure
2~4mm of the unilateral design machining allowance of part；
It is transition region (4), institute between step b) Laser Melting Deposition shaping (1) and selective laser fusing shaping (2)
Transition region (4) longitudinal section stated structure of " convex " font for inverted trapezoidal or；
After the completion of step c) selective laser smelting technology realizes net forming, component and substrate are integrally carried out at stress relief annealing
Reason, annealing temperature are 500~600 DEG C, and annealing time is not less than 2 hours；
Step d) realizes that component is separated with substrate by wire cutting or sawing machine cutting, guarantees combination interface any two points maximum height
Difference is less than or equal to 2mm, and surface roughness Ra is less than or equal to 12.5 μm；
Step e) realizes that step d) is described using two pass overlap joint shaping policy and small light spot, small powder sending quantity, low energy input parameter
Combination interface tissue around continuity transition, then realize that remaining position is high using large spot, big powder sending quantity, high-energy input
Effect forming；
1~3mm of spot diameter, the small powder sending quantity of the small light spot are 5-10g/min, low energy input is laser power 500
~1500W, scanning speed 600-1200mm/min；
5~6mm of spot diameter, the big powder sending quantity of the large spot are 20-30g/min, high-energy input is laser power
2500~3500W, scanning speed 600-800mm/min；
Overall structure is finally carried out solid-solution and aging heat treatment, organization of regulation control performance by step f).
2. the large size, thin walled open labyrinth of one kind according to claim 1 combines increasing material manufacturing method, feature exists
In: the large size, thin walled open labyrinth, single side size are less than or equal to 5mm in 300~400mm or more, thickness.
3. the large size, thin walled open labyrinth of one kind according to claim 1 combines increasing material manufacturing method, feature exists
In: when it is inverted trapezoidal structure form that transition region (4), which is designed as longitudinal section, the angle between trapezoidal two sides and vertical direction is small
In equal to 45 degree.
4. the large size, thin walled open labyrinth of one kind according to claim 1 combines increasing material manufacturing method, feature exists
In: step b) melts shaping (2) surface member width direction design sheet or fence type reinforcement structure (3) in selective laser.
5. the large size, thin walled open labyrinth of one kind according to claim 4 combines increasing material manufacturing method, feature exists
In: the thin plate or fence type reinforcement structure (3) is highly 5~25mm with a thickness of 2~4mm, the width of rib is 2~
4mm is highly 5~25mm with a thickness of 2~4mm, guarantees that the surplus can facilitate following process to remove.
6. the large size, thin walled open labyrinth of one kind according to claim 1 combines increasing material manufacturing method, feature exists
In: realize that component is separated with substrate by wire cutting or sawing machine cutting described in step d), at combination interface polishing, drying
Reason guarantees that combination interface any two points maximum height difference is less than or equal to 1-2mm, and surface roughness Ra is less than or equal to 12.5 μm, in fact
It is shaped now in conjunction with interface zero defect.
7. the large size, thin walled open labyrinth of one kind according to claim 1 combines increasing material manufacturing method, feature exists
In: solid-solution and aging heat treatment described in step f), solid solution temperature are 910~960 DEG C, keep the temperature 1~3 hour；Ageing treatment
Temperature is 500~550 DEG C, keeps the temperature 4~6 hours.
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| CN109732089A (en) * | 2019-03-13 | 2019-05-10 | 陕西理工大学 | A kind of pure tungsten 3D printing increasing material manufacturing method |
| CN112518227B (en) * | 2019-09-17 | 2022-02-18 | 中国航发商用航空发动机有限责任公司 | Laser forming repair method and repair tool for defect damage of thin-wall structure |
| CN112091212B (en) * | 2020-09-09 | 2023-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Laser selective melting forming method for multi-connection multi-way oil supply pipe joint group |
| CN112059185B (en) * | 2020-11-11 | 2021-01-15 | 中国航发上海商用航空发动机制造有限责任公司 | Molded article with cantilever structure and method of molding the same |
| CN112276090A (en) * | 2020-11-27 | 2021-01-29 | 西安航天发动机有限公司 | Laser additive combination manufacturing and forming method for copper-steel dissimilar material contraction and expansion section |
| EP4227027A1 (en) | 2022-02-09 | 2023-08-16 | Fundación Tekniker | Additive layer production of molds |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104001915A (en) * | 2014-05-22 | 2014-08-27 | 华中科技大学 | Equipment for manufacturing large-size metal part in high energy beam additive manufacturing mode and control method of equipment |
| CN106735208A (en) * | 2016-12-13 | 2017-05-31 | 南通金源智能技术有限公司 | The increasing material manufacturing method of large scale labyrinth metal parts |
| WO2017153313A1 (en) * | 2016-03-07 | 2017-09-14 | Siemens Aktiengesellschaft | Device for carrying out a selective laser melting and a laser metal deposition process, and component produced therewith |
-
2017
- 2017-12-04 CN CN201711258248.8A patent/CN107876769B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104001915A (en) * | 2014-05-22 | 2014-08-27 | 华中科技大学 | Equipment for manufacturing large-size metal part in high energy beam additive manufacturing mode and control method of equipment |
| WO2017153313A1 (en) * | 2016-03-07 | 2017-09-14 | Siemens Aktiengesellschaft | Device for carrying out a selective laser melting and a laser metal deposition process, and component produced therewith |
| CN106735208A (en) * | 2016-12-13 | 2017-05-31 | 南通金源智能技术有限公司 | The increasing material manufacturing method of large scale labyrinth metal parts |
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