CN107876770A - A kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques - Google Patents

A kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques Download PDF

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Publication number
CN107876770A
CN107876770A CN201711270190.9A CN201711270190A CN107876770A CN 107876770 A CN107876770 A CN 107876770A CN 201711270190 A CN201711270190 A CN 201711270190A CN 107876770 A CN107876770 A CN 107876770A
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thin
wall construction
material manufacturing
increasing material
shaped
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CN201711270190.9A
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CN107876770B (en
Inventor
聂中原
蒋疆
陈怡�
王震
巩维艳
王哲
陈材
张伟贵
官祥威
祁俊峰
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Beijing Satellite Manufacturing Factory Co Ltd
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Beijing Satellite Manufacturing Factory Co Ltd
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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
    • B22F10/40—Structures for supporting workpieces or articles during manufacture and removed afterwards
    • 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
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • 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
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/62—Treatment of workpieces or articles after build-up by chemical 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
    • B22F10/66—Treatment of workpieces or articles after build-up by mechanical 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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Powder Metallurgy (AREA)

Abstract

The present invention relates to a kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques, belong to the advanced increases material manufacturing technology field of laser.The method of the present invention can solve the problem that the problem of existing increasing material manufacturing process printing aluminium alloy or the difficult shaping of titanium alloy thin wall construction package, yielding, stress big easy fracture；The method of the present invention can reduce increasing material manufacturing cost, ensure the success of the aluminium alloy thin-walled component of increasing material manufacturing, a kind of solid processing support design method is provided for increasing material manufacturing aluminium alloy or titanium alloy thin wall component.

Description

A kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques
Technical field
The present invention relates to a kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques, belong to laser Advanced increases material manufacturing technology field, the inclination angle of thin-wall construction is not less than 45 ° in described part, and the wall thickness of thin-wall construction is 1- 3mm；The length of the maximum external envelope of thin-wall construction part is at least 10 times of the wall thickness of thin-wall construction part, thin-wall construction part 10 times of the wide wall thickness for being at least thin-wall construction part of maximum external envelope.
Background technology
Thin-wall construction is a kind of typical unit of component part in increasing material manufacturing, is commonly used in Aeronautics and Astronautics device structure Structure type, such as many Large-scale satellites load connecting bracket use aluminium alloy thin-walled structure characteristic part more.These are multiple Miscellaneous thin-walled time load-carrying construction part, main feature include：Thin-wall construction, complex contour, wide variety, dimensional stability and mechanical property It can require high, product mounting surface and the required precision of space angle equidimension are high.
At present, this thin-wall part is manufactured using rod or block raw material by the means of machining more, but is so done not Only high processing costs, cycle length, and the waste of material is larger.For some complex precise parts, present in machining in itself Processing limitation (such as cutter limitation factor), this is reversed in adding limitation for the design work of part.
Many design constraints are not only released by increasing material manufacturing, and reduce the original consumed in thin-walled parts manufacturing process Material, but because increasing material manufacturing is a kind of laser processing technology, deformation is also easy to produce in thin-walled parts manufacturing process, in addition it is wrong Layer.The problem of traditional solution method is to thicken thin-walled parts, and the later stage is machined out reduction processing again, and this method is present be Postprocessing working procedures are cumbersome, cost is high, time-consuming.
The content of the invention
The technology of the present invention solves problem：Overcome the deficiencies in the prior art, propose it is a kind of based on SLM techniques with thin The increasing material manufacturing method of the part of wall construction.
The present invention technical solution be：
A kind of increasing material manufacturing method of the part with thin-wall construction based on SLM techniques, include the step of this method：
(1) to the thin-wall construction part adding technology support in the part with thin-wall construction, obtain carrying thin-wall construction Part process modeling；
(2) process modeling of the part with thin-wall construction obtained to step (1) uses SLM technique increasing material manufacturing methods Manufactured；
(3) part obtained to step (2) post-processes, and post processing includes removal, surface treatment of processing support etc. Process, obtain product.
In described step (1), adding technology support refers to：Thin-wall construction part in part with thin-wall construction The sintered shape of each layer of hierarchy slicing (i.e. slicing layer) forms semi-closed shape or close-shaped, and semi-closed is shaped as U-shaped, L Shape, N shapes, M shapes or Z-shaped；Close-shaped is D-shaped, O shapes or rectangle；
The material of the described part with thin-wall construction is aluminium alloy or titanium alloy.
Beneficial effect
(1) method of the invention can solve the problem that existing increasing material manufacturing process printing aluminium alloy or titanium alloy thin wall structure The problem of difficult shaping of component, yielding, stress big easy fracture；
(2) method of the invention can reduce increasing material manufacturing cost, ensure the success of the aluminium alloy thin-walled component of increasing material manufacturing, A kind of solid processing support design method is provided for increasing material manufacturing aluminium alloy or titanium alloy thin wall component；
(3) method of the invention is that three-dimensional is converted into two dimension, based on two-dimensional stability, by the thin-walled parts of three-dimensional The stable planar graph of numerous two dimension is converted into, and then ensures overall the manufacture success rate and dimensional stability of part.So It is doing as a result, each printable layer of the whole thin-wall construction with processing support of composition is stable, and then ensure this The stability of structure, while this support addition manner helps quickly to remove supporting construction, is brought just for the post processing of part Profit.
(4) present invention optimizes aluminium alloy or titanium alloy thin wall construction package using processing support design optimization method, then will It carries out increasing material manufacturing using SLM technologies.Its core technology is：(1) the aluminium alloy thin-walled structure component process branch of increasing material manufacturing Support optimization design；(2) increasing material manufacturing aluminium alloy or titanium alloy thin wall construction package are designed as stabilization in 2D (two dimension) structure Structure recycles SLM technologies to be printed.
(5) processing support design optimization method of the present invention can reduce increasing material manufacturing cost, improve printing speed Degree, realizes the lightweight of aluminium alloy thin-walled structure component, can realize random geometry aluminium alloy or titanium alloy thin wall knot The printing of structure component, a kind of solid processing support is provided and set for increasing material manufacturing aluminium alloy or titanium alloy thin wall construction package Meter method, effectively improve the success rate of increasing material manufacturing aluminium alloy or titanium alloy thin wall construction package；Present invention process design method Simply, it is reliable, easy to operate, open up a new road for increasing material manufacturing；The processing support design method of the present invention can be effective Solve the problems, such as the irregular aluminium alloy of increasing material manufacturing or the difficult shaping of titanium alloy thin wall construction package, yielding, the big easy fracture of stress.
Brief description of the drawings
Fig. 1 is the structural representation of product and the largest enveloping size of thin-wall construction in embodiment 1；
Fig. 2 is the structural representation of process modeling in embodiment 1；
Fig. 3 is the slicing layer schematic diagram of thin-wall construction in product in embodiment 1；
Fig. 4 is the slicing layer schematic diagram of thin-wall construction in process modeling in embodiment 1
Fig. 5 is the structural representation of product and the largest enveloping size of thin-wall construction in embodiment 2；
Fig. 6 is the structural representation of process modeling in embodiment 2；
Fig. 7 is the slicing layer schematic diagram of thin-wall construction in product in embodiment 2；
Fig. 8 is the slicing layer schematic diagram of thin-wall construction in process modeling in embodiment 2；
Fig. 9 is the structural representation of product and the largest enveloping size of thin-wall construction in embodiment 3；
Figure 10 is the structural representation of process modeling in embodiment 3；
Figure 11 is the slicing layer schematic diagram of thin-wall construction in product in embodiment 3；
Figure 12 is the slicing layer schematic diagram of thin-wall construction in process modeling in embodiment 3.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
Part with thin-wall construction is after optimization is placed, and its structural representation is as shown in figure 1, this product is joint angle Box, effect are fixed, two independent other parts of connection, and whole accessory size is 170mm × 163mm × 132mm, therein Thin-wall construction and horizontal plane angle are 60 °, technological difficulties be difficult to be molded in the thick thin-wall constructions of its 3mm, in forming process easily Deformation；Part is aluminum alloy materials；
The part is manufactured using the increasing material manufacturing method of SLM techniques, is included the step of this method：
(1) it is thin after adding technology support to the thin-wall construction part adding technology support in the part with thin-wall construction The slicing layer of walls structure portions changes, the U-shaped slicing layer being changed into from the I type slicing layers in Fig. 3 in Fig. 4, obtains with thin The process modeling of the part of wall construction；
(2) process modeling of the part with thin-wall construction obtained to step (1) uses SLM technique increasing material manufacturing methods Manufactured；
(3) part obtained to step (2) post-processes, and post processing includes the cleaning of residual powder, processing support Removal, the sandblasting polishing on surface, the machine in mounting hole and high-precision requirement face add, surface oxidation treatment process, obtain product.
Mathematical model is obtained by three-dimensional scanning measurement reverse product, is contrasted with archetype, as a result shows thin-wall construction Flatness meets requirement, and error is within 1%.
Embodiment 2
Part with thin-wall construction by optimization place after, its structural representation as shown in figure 5, this product be fin to Interior flabellum, effect are to improve gas pressure using the high speed rotation generation effect of calming the anger, and whole accessory size isThin-wall construction therein is that 77 ° to 45 ° gradual changes are excessive with horizontal plane angle, and technological difficulties are it The thin-wall construction of 0.5 to 1mm progressive thickness is difficult to be molded, is yielding in forming process；Part is titanium alloy material；
The part is manufactured using the increasing material manufacturing method of SLM techniques, is included the step of this method：
(1) it is thin after adding technology support to the thin-wall construction part adding technology support in the part with thin-wall construction The slicing layer of walls structure portions changes, and the Continuous Rectangular slicing layer being changed into from the I type slicing layers in Fig. 7 in Fig. 8, obtains band There is the process modeling of the part of thin-wall construction；
(2) process modeling of the part with thin-wall construction obtained to step (1) uses SLM technique increasing material manufacturing methods Manufactured；
(3) part obtained to step (2) post-processes, and post processing includes the cleaning of residual powder, processing support Removal, the sandblasting polishing on surface, the machine in mounting hole and high-precision requirement face add, surface oxidation treatment process, obtain product.
Mathematical model is obtained by three-dimensional scanning measurement reverse product, is contrasted with archetype, as a result shows thin-wall construction Meet to require, dimensional discrepancy is within 1%.
Embodiment 3
Part with thin-wall construction by optimization place after, its structural representation as shown in figure 9, this product be fin to Outer flabellum, effect are to improve gas pressure using the high speed rotation generation effect of calming the anger, and whole accessory size isThin-wall construction therein is that 77 ° to 45 ° gradual changes are excessive with horizontal plane angle, and technological difficulties are it The thin-wall construction of 0.5 to 1mm progressive thickness is difficult to be molded, is yielding in forming process；Part is titanium alloy material；
The part is manufactured using the increasing material manufacturing method of SLM techniques, is included the step of this method：
(1) it is thin after adding technology support to the thin-wall construction part adding technology support in the part with thin-wall construction The slicing layer of walls structure portions changes, and the Continuous Rectangular slicing layer being changed into from the I type slicing layers in Figure 11 in Figure 12, obtains The process modeling of part with thin-wall construction；
(2) process modeling of the part with thin-wall construction obtained to step (1) uses SLM technique increasing material manufacturing methods Manufactured；
(3) part obtained to step (2) post-processes, and post processing includes the cleaning of residual powder, processing support Removal, the sandblasting polishing on surface, the machine in mounting hole and high-precision requirement face add, surface oxidation treatment process, obtain product.
Mathematical model is obtained by three-dimensional scanning measurement reverse product, is contrasted with archetype, as a result shows thin-wall construction Meet to require, dimensional discrepancy is within 1%.
The content not being described in detail in description of the invention belongs to professional and technical personnel in the field's known technology.

Claims (6)

  1. A kind of 1. increasing material manufacturing method of the part with thin-wall construction based on SLM techniques, it is characterised in that the step of this method Suddenly include：
    (1) to the thin-wall construction part adding technology support in the part with thin-wall construction, zero with thin-wall construction is obtained The process modeling of part；
    (2) process modeling of the part with thin-wall construction obtained to step (1) is carried out using SLM technique increasing material manufacturings method Manufacture；
    (3) part obtained to step (2) post-processes, and obtains product.
  2. 2. a kind of increasing material manufacturing method of part with thin-wall construction based on SLM techniques according to claim 1, its It is characterised by：In described step (1), adding technology support refers to：Thin-wall construction part in part with thin-wall construction Each layer of hierarchy slicing sintered shape formed semi-closed shape or close-shaped.
  3. 3. a kind of increasing material manufacturing method of part with thin-wall construction based on SLM techniques according to claim 2, its It is characterised by：Described semi-closed is shaped as U-shaped, L-shaped, N shapes, M shapes or Z-shaped.
  4. 4. a kind of increasing material manufacturing method of part with thin-wall construction based on SLM techniques according to claim 2, its It is characterised by：It is described it is close-shaped be D-shaped, O shapes or rectangle.
  5. 5. a kind of increasing material manufacturing method of part with thin-wall construction based on SLM techniques according to claim 1, its It is characterised by：The material of the described part with thin-wall construction is aluminium alloy or titanium alloy.
  6. 6. a kind of increasing material manufacturing method of part with thin-wall construction based on SLM techniques according to claim 1, its It is characterised by：In described step (3), post processing includes removal, the surface treatment procedure of processing support.
CN201711270190.9A 2017-12-05 2017-12-05 A kind of increasing material manufacturing method of the part with thin-wall construction based on SLM technique Active CN107876770B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108500274A (en) * 2018-05-31 2018-09-07 沈阳精合数控科技开发有限公司 A kind of integrally formed miniature annular element being connected in series with and 3D printing method
CN109622963A (en) * 2019-01-09 2019-04-16 贵州航越科技有限公司 The manufacturing method of thin-walled parts under SLM process conditions
CN111318703A (en) * 2020-04-10 2020-06-23 哈尔滨福沃德多维智能装备有限公司 Support structure for reducing stress deformation of SLM (selective laser melting) manufactured metal part
CN112453424A (en) * 2020-10-27 2021-03-09 成都飞机工业（集团）有限责任公司 Thin-wall partition part additive manufacturing deformation control method
WO2021232298A1 (en) * 2020-05-20 2021-11-25 西门子股份公司 Additive manufacturing method
CN114210999A (en) * 2021-11-29 2022-03-22 西安航天发动机有限公司 Integral manufacturing method for multilayer thin-wall streamline structure valve shell
CN114273675A (en) * 2021-12-28 2022-04-05 北京星航机电装备有限公司 Additive manufacturing method adopting non-contact dimensional shape
CN115415548A (en) * 2022-11-07 2022-12-02 四川工程职业技术学院 Supporting package element structure for 3D printing forming of metal

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CN103920877A (en) * 2014-04-12 2014-07-16 北京工业大学 Design method of easily-removable support structure for SLM-manufactured metal parts
CN106159453A (en) * 2016-06-20 2016-11-23 清华大学 A kind of aluminium alloy electromagnetic horn towards low rail location load and manufacture method thereof
CN106475561A (en) * 2016-09-29 2017-03-08 首都航天机械公司 A kind of auxiliary support structure suitable for inclining pendency thin-wall construction
CN106513675A (en) * 2016-11-09 2017-03-22 北京卫星制造厂 Laser additive manufacturing forming method of titanium alloy thin-walled component
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JP2001192707A (en) * 2000-01-07 2001-07-17 Hiroshi Horikoshi Method of composite molding for high strength aluminum alloy powder material and casting of molten aluminum alloy material
CN103464898A (en) * 2013-08-30 2013-12-25 哈尔滨汽轮机厂有限责任公司 Controlling method for dimensional accuracy of superalloy thin-walled molding piece
CN103920877A (en) * 2014-04-12 2014-07-16 北京工业大学 Design method of easily-removable support structure for SLM-manufactured metal parts
CN107321979A (en) * 2016-04-29 2017-11-07 中国科学院沈阳自动化研究所 A kind of laser gain material manufacture method of many supporting surface configurations towards cavity thin-walled workpiece
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CN108500274A (en) * 2018-05-31 2018-09-07 沈阳精合数控科技开发有限公司 A kind of integrally formed miniature annular element being connected in series with and 3D printing method
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CN109622963A (en) * 2019-01-09 2019-04-16 贵州航越科技有限公司 The manufacturing method of thin-walled parts under SLM process conditions
CN109622963B (en) * 2019-01-09 2021-06-15 贵州航越科技有限公司 Manufacturing method of thin-wall part under SLM (selective laser melting) process condition
CN111318703A (en) * 2020-04-10 2020-06-23 哈尔滨福沃德多维智能装备有限公司 Support structure for reducing stress deformation of SLM (selective laser melting) manufactured metal part
WO2021232298A1 (en) * 2020-05-20 2021-11-25 西门子股份公司 Additive manufacturing method
CN112453424B (en) * 2020-10-27 2022-04-08 成都飞机工业（集团）有限责任公司 Thin-wall partition part additive manufacturing deformation control method
CN112453424A (en) * 2020-10-27 2021-03-09 成都飞机工业（集团）有限责任公司 Thin-wall partition part additive manufacturing deformation control method
CN114210999A (en) * 2021-11-29 2022-03-22 西安航天发动机有限公司 Integral manufacturing method for multilayer thin-wall streamline structure valve shell
CN114210999B (en) * 2021-11-29 2023-04-14 西安航天发动机有限公司 Integral manufacturing method of multilayer thin-wall streamline structure valve shell
WO2023093906A1 (en) * 2021-11-29 2023-06-01 西安航天发动机有限公司 Multi-layer thin-wall streamline structure valve housing integral manufacturing method
CN114273675B (en) * 2021-12-28 2023-11-07 北京星航机电装备有限公司 Material increase manufacturing method adopting non-contact dimension
CN114273675A (en) * 2021-12-28 2022-04-05 北京星航机电装备有限公司 Additive manufacturing method adopting non-contact dimensional shape
CN115415548A (en) * 2022-11-07 2022-12-02 四川工程职业技术学院 Supporting package element structure for 3D printing forming of metal
CN115415548B (en) * 2022-11-07 2023-03-10 四川工程职业技术学院 Supporting package element structure for 3D printing and forming of metal

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