RU2009136179A - Способ изготовления трехмерных объектов лазерным спеканием - Google Patents
Способ изготовления трехмерных объектов лазерным спеканием Download PDFInfo
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- RU2009136179A RU2009136179A RU2009136179/05A RU2009136179A RU2009136179A RU 2009136179 A RU2009136179 A RU 2009136179A RU 2009136179/05 A RU2009136179/05 A RU 2009136179/05A RU 2009136179 A RU2009136179 A RU 2009136179A RU 2009136179 A RU2009136179 A RU 2009136179A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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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
- 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
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
1. Способ изготовления трехмерных объектов, согласно которому объект формируют отверждением порошкового материала слой за слоем в местоположениях для каждого слоя, соответствующих объекту, ! в котором ИК излучение, испускаемое от нанесенного порошкового слоя, локально обнаруживают таким образом, что получают картину ИК излучения, ! отличающийся тем, что дефекты и/или геометрические нерегулярности нанесенного порошкового слоя определяют на основе картины ИК излучения. ! 2. Способ по п.1, в котором указанное отверждение выполняют воздействием электромагнитного излучения или излучения частиц на порошковый слой. ! 3. Способ по п.1, в котором дефекты и/или геометрические нерегулярности исправляют нанесением второго корректирующего слоя или в ходе процесса формирования объекта. ! 4. Способ по п.1, в котором во время или после селективного отверждения слоя оценивают полноту и правильное положение отвержденных зон указанного слоя. ! 5. Способ по п.1, в котором присутствие нестационарных газовых складок или потоков определяют на основе измеренной картины ИК излучения. ! 6. Способ по п.1, в котором вновь нанесенный порошковый слой устанавливают при рабочей температуре при воздействии теплового излучения или другой энергии. ! 7. Способ по п.6, в котором картину ИК излучения вновь нанесенного слоя определяют в процессе периода разогревания, причем мощность нагревания регулируют, если присутствует неоднородность. ! 8. Способ по п.6, в котором процесс разогревания выполняют поверхностными излучателями. ! 9. Способ по п.1, в котором картину ИК излучения детектируют посредством инфракрасной камеры. ! 10. Способ по п.1, в котором прим
Claims (10)
1. Способ изготовления трехмерных объектов, согласно которому объект формируют отверждением порошкового материала слой за слоем в местоположениях для каждого слоя, соответствующих объекту,
в котором ИК излучение, испускаемое от нанесенного порошкового слоя, локально обнаруживают таким образом, что получают картину ИК излучения,
отличающийся тем, что дефекты и/или геометрические нерегулярности нанесенного порошкового слоя определяют на основе картины ИК излучения.
2. Способ по п.1, в котором указанное отверждение выполняют воздействием электромагнитного излучения или излучения частиц на порошковый слой.
3. Способ по п.1, в котором дефекты и/или геометрические нерегулярности исправляют нанесением второго корректирующего слоя или в ходе процесса формирования объекта.
4. Способ по п.1, в котором во время или после селективного отверждения слоя оценивают полноту и правильное положение отвержденных зон указанного слоя.
5. Способ по п.1, в котором присутствие нестационарных газовых складок или потоков определяют на основе измеренной картины ИК излучения.
6. Способ по п.1, в котором вновь нанесенный порошковый слой устанавливают при рабочей температуре при воздействии теплового излучения или другой энергии.
7. Способ по п.6, в котором картину ИК излучения вновь нанесенного слоя определяют в процессе периода разогревания, причем мощность нагревания регулируют, если присутствует неоднородность.
8. Способ по п.6, в котором процесс разогревания выполняют поверхностными излучателями.
9. Способ по п.1, в котором картину ИК излучения детектируют посредством инфракрасной камеры.
10. Способ по п.1, в котором применяют синтетический порошок, в частности полиамид или полистирол, или металлический порошок.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007056984A DE102007056984A1 (de) | 2007-11-27 | 2007-11-27 | Verfahren zum Herstellen eines dreidimensionalen Objekts mittels Lasersintern |
DE102007056984.1 | 2007-11-27 |
Publications (2)
Publication Number | Publication Date |
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RU2009136179A true RU2009136179A (ru) | 2011-04-10 |
RU2424118C2 RU2424118C2 (ru) | 2011-07-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009136179/05A RU2424118C2 (ru) | 2007-11-27 | 2008-11-07 | Способ изготовления трехмерных объектов лазерным спеканием |
Country Status (10)
Country | Link |
---|---|
US (1) | US8784721B2 (ru) |
EP (1) | EP2125339B1 (ru) |
JP (1) | JP4964307B2 (ru) |
CN (1) | CN101678613B (ru) |
AT (1) | ATE544579T1 (ru) |
BR (1) | BRPI0808120A2 (ru) |
DE (1) | DE102007056984A1 (ru) |
HK (1) | HK1137966A1 (ru) |
RU (1) | RU2424118C2 (ru) |
WO (1) | WO2009068165A1 (ru) |
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BRPI0808120A2 (pt) | 2014-06-17 |
RU2424118C2 (ru) | 2011-07-20 |
CN101678613A (zh) | 2010-03-24 |
DE102007056984A1 (de) | 2009-05-28 |
EP2125339B1 (de) | 2012-02-08 |
EP2125339A1 (de) | 2009-12-02 |
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