JPWO2017208553A1 - 積層造形装置 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 79
- 239000012535 impurity Substances 0.000 claims abstract description 42
- 239000011261 inert gas Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims description 53
- 238000007493 shaping process Methods 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000006837 decompression Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- -1 moisture Chemical compound 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000003517 fume Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000155 melt Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
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- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
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- 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
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Abstract
Description
図1に第1の実施例における斜視図を示す。積層造形装置は、粉末供給部1と、造形部4と、粉末排出部5を有している。粉末供給部1と、造形部4と、粉末排出部5は、かかる順番で水平方向に一列に並んで配置されており、これらの上部を列方向に往復移動可能にコーター7が設けられている。
図3は、第2の実施例におけるAr流量と不純物ガス割合の関係を示すグラフである。第1の実施例とArガスの流量制御の考え方は同じであるが、コーター7で粉末を敷き詰めているときにだけArガスを流す点が異なる。
Claims (8)
- 粉末を敷き詰めて、ビームでスキャンして前記粉末を溶融することにより凝固層を形成し、前記凝固層を積層して3次元の造形物を造形する積層造形装置であって、
造形エリアを減圧雰囲気にする減圧手段と、
前記造形エリアに不活性ガスを供給する不活性ガス供給手段と、
前記造形エリアの不純物ガスの割合を検出する検出手段と、
該検出手段により検出した前記不純物ガスの割合が閾値を超えている場合は、前記不活性ガス供給手段を制御して前記不活性ガスの供給量を減らす制御手段と、
を有することを特徴とする積層造形装置。 - 前記制御手段は、前記不純物ガスの割合が増えるに応じて前記不活性ガスの供給量を減らすことを特徴とする請求項1に記載の積層造形装置。
- 不活性ガスは、ArガスまたはHeガスであることを特徴とする請求項2に記載の積層造形装置。
- 前記不純物ガスは、酸素、窒素、水素、水分、一酸化炭素の少なくともいずれか一つであることを特徴とする請求項3に記載の積層造形装置。
- 前記ビームは、レーザ光であること特徴とする請求項4に記載の造形装置。
- 前記不活性ガス供給手段は、前記粉末の溶融直後に前記不活性ガスを流すことを特徴とする請求項5に記載の積層造形装置。
- 前記レーザ光を発振するレーザ発振器と前記造形エリアとの間には、前記レーザ光が通過可能な保護ガラスが設けられており、
前記不活性ガス供給手段は、前記保護ガラスのガラス面に向かって前記不活性ガスを吹き付けることを特徴とする請求項6に記載の積層造形装置。 - 前記不純物ガスの割合が上限値を超えている場合は、前記造形物の造形を中断することを特徴とする請求項7に記載の積層造形装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016109162 | 2016-05-31 | ||
JP2016109162 | 2016-05-31 | ||
PCT/JP2017/009123 WO2017208553A1 (ja) | 2016-05-31 | 2017-03-08 | 積層造形装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2017208553A1 true JPWO2017208553A1 (ja) | 2019-03-22 |
JP6651620B2 JP6651620B2 (ja) | 2020-02-19 |
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JP2018520667A Active JP6651620B2 (ja) | 2016-05-31 | 2017-03-08 | 積層造形装置 |
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US (1) | US20190299289A1 (ja) |
JP (1) | JP6651620B2 (ja) |
DE (1) | DE112017002704T5 (ja) |
WO (1) | WO2017208553A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6872922B2 (ja) * | 2017-02-10 | 2021-05-19 | 三菱重工業株式会社 | 三次元積層造形装置 |
EP3473443A1 (en) * | 2017-10-20 | 2019-04-24 | CL Schutzrechtsverwaltungs GmbH | Apparatus for additively manufacturing of three-dimensional objects |
EP3486070B8 (en) * | 2017-11-15 | 2023-04-12 | Concept Laser GmbH | Method for additively manufacturing of three-dimensional objects |
US10835996B2 (en) * | 2018-01-30 | 2020-11-17 | Siemens Energy, Inc. | Laser metal deposition with inoculation |
JP2019142024A (ja) * | 2018-02-16 | 2019-08-29 | 株式会社日立製作所 | 付加製造装置 |
US10814430B2 (en) * | 2018-04-09 | 2020-10-27 | General Electric Company | Systems and methods for additive manufacturing flow control devices |
JP2021529885A (ja) * | 2018-07-19 | 2021-11-04 | ヘレウス アディティブ マニュファクチュアリング ゲーエムベーハー | 高反射性金属の粉末の付加製造への使用 |
JP7199173B2 (ja) | 2018-07-23 | 2023-01-05 | 三菱重工業株式会社 | 積層造形装置 |
US11020763B2 (en) | 2018-08-21 | 2021-06-01 | General Electric Company | Spacer flow guide for partitioning build chamber of an additive manufacturing system |
CN109366980B (zh) * | 2018-10-10 | 2020-04-28 | 大连理工大学 | 一种激光辅助电喷射原位打印制造方法 |
CN109159422B (zh) * | 2018-10-10 | 2020-09-11 | 大连理工大学 | 一种激光辅助电喷射原位打印装置 |
JP2021020322A (ja) * | 2019-07-24 | 2021-02-18 | 株式会社リコー | 立体造形装置及び立体造形方法 |
KR102246725B1 (ko) * | 2020-06-02 | 2021-04-30 | 한국생산기술연구원 | 플라즈마 액츄에이터를 포함하는 3d 프린팅 장치 |
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CN101541511B (zh) | 2007-05-30 | 2011-12-21 | 松下电工株式会社 | 叠层成形设备 |
US9669583B2 (en) * | 2013-03-15 | 2017-06-06 | Renishaw Plc | Selective laser solidification apparatus and method |
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2017
- 2017-03-08 WO PCT/JP2017/009123 patent/WO2017208553A1/ja active Application Filing
- 2017-03-08 DE DE112017002704.7T patent/DE112017002704T5/de active Pending
- 2017-03-08 US US16/301,478 patent/US20190299289A1/en not_active Abandoned
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JP2004277878A (ja) * | 2003-02-25 | 2004-10-07 | Matsushita Electric Works Ltd | 三次元形状造形物の製造装置及び製造方法 |
JP2015507092A (ja) * | 2011-12-28 | 2015-03-05 | ア−カム アーベー | 積層造形法による三次元物品の解像度を向上させるための方法および装置 |
JP2015196856A (ja) * | 2014-03-31 | 2015-11-09 | 三菱重工業株式会社 | 三次元積層装置 |
JP2016006215A (ja) * | 2014-06-20 | 2016-01-14 | 株式会社ソディック | 積層造形装置 |
JP2016074957A (ja) * | 2014-10-08 | 2016-05-12 | 株式会社ソディック | 積層造形装置 |
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