JP6440139B2 - 三次元造形物の製造方法 - Google Patents
三次元造形物の製造方法 Download PDFInfo
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- JP6440139B2 JP6440139B2 JP2014066741A JP2014066741A JP6440139B2 JP 6440139 B2 JP6440139 B2 JP 6440139B2 JP 2014066741 A JP2014066741 A JP 2014066741A JP 2014066741 A JP2014066741 A JP 2014066741A JP 6440139 B2 JP6440139 B2 JP 6440139B2
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- 238000000034 method Methods 0.000 claims description 37
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- 239000002245 particle Substances 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 10
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- 230000001629 suppression Effects 0.000 claims description 5
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 153
- 239000004576 sand Substances 0.000 description 149
- 238000005266 casting Methods 0.000 description 31
- 230000008569 process Effects 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 229910001018 Cast iron Inorganic materials 0.000 description 11
- 239000011148 porous material Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
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- 229910052742 iron Inorganic materials 0.000 description 3
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- 239000008107 starch Substances 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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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- Powder Metallurgy (AREA)
Description
2 リコータユニット
3 造形タンク
4 昇降装置
10 三次元造形装置
20、40 三次元造形物
21、44 第1の粉体材料封入部(内部空間)
22、46 湯口
30 造形テーブル
41 型枠部
42 鋳型部
43 第2の粉体材料封入部
43A 冷却促進部
43B 冷却抑制部
45 中子部
47 バインダ注入器
48 細孔
50 照射装置
51 光ビーム発生装置
52 変更装置
53 制御ユニット
Claims (5)
- 一層毎に粉体材料に結合剤となりうる物質を選択的に作用させて固化し、三次元物体を得るインクジェット粉末造形法で三次元造形物を作成、或いは粉体材料を電磁または粒子放射により選択的に加熱し、焼結或いは溶融させて固化して一体にする粉末造形法によって三次元造形物を作成し、固化された粉体材料の内部から非固化の粉体材料を除去することによって鋳型となる三次元造形物を製造する三次元造形物の製造方法において、
前記鋳型となる部分の外側に、前記三次元造形物の造形中に、非固化の粉体材料が封入された第2の粉体材料封入部を備える型枠部を少なくとも1つ設ける工程を加えたことを特徴とする三次元造形物の製造方法。 - 前記三次元造形物の外側から、前記第2の粉体材料封入部の各個の内部に連通し、前記結合剤となりうる物質の注入は可能であるが、前記粉体材料の通過は困難な注入孔を、前記型枠部に設ける工程を更に備えることを特徴とする請求項1に記載の三次元造形物の製造方法。
- 前記注入孔から前記第2の粉体材料封入部の内部に、冷却を促進する前記結合剤となりうる物質を注入することにより、前記第2の粉体材料封入部を冷却促進部に変更する工程を更に備えることを特徴とする請求項2に記載の三次元造形物の製造方法。
- 前記注入孔から前記第2の粉体材料封入部の内部に、冷却を抑制する前記結合剤となりうる物質を注入することにより、前記第2の粉体材料封入部を冷却抑制部に変更する工程を更に備えることを特徴とする請求項2に記載の三次元造形物の製造方法。
- 前記第2の粉体材料封入部が複数あり、
前記注入孔から前記第2の粉体材料封入部の少なくとも1つの内部に、冷却を促進する前記結合剤となりうる物質を注入することにより、冷却促進部に変更された前記第2の粉体材料封入部と、
前記注入孔から前記第2の粉体材料封入部の少なくとも1つの内部に、冷却を抑制する前記結合剤となりうる物質を注入することにより、冷却抑制部に変更された前記第2の粉体材料封入部の、両方を作る工程を更に備えることを特徴とする請求項2に記載の三次元造形物の製造方法。
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JP6440139B2 true JP6440139B2 (ja) | 2018-12-19 |
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Cited By (1)
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CN111804897A (zh) * | 2020-07-29 | 2020-10-23 | 共享装备股份有限公司 | 3d打印砂型工作箱升降转运装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2017216630A1 (en) * | 2016-06-13 | 2017-12-21 | Dmg Mori Co., Ltd. | Systems and methods for temperature control in an additive manufacturing process |
US11685115B2 (en) | 2018-03-12 | 2023-06-27 | Hewlett-Packard Development Company, L.P. | Additive manufacturing with nozzles at different die widths |
CN109175307B (zh) * | 2018-11-07 | 2021-06-08 | 西安西工大超晶科技发展有限责任公司 | 一种3d打印砂型反重力铸造成型方法 |
JP7263016B2 (ja) * | 2019-01-11 | 2023-04-24 | 太平洋セメント株式会社 | 型作製方法 |
CN113042685B (zh) * | 2021-03-12 | 2022-06-28 | 西北工业大学 | 一种适用于zl205a铝合金复杂薄壁构件的3dp砂型铸造工艺 |
CN115319021A (zh) * | 2022-06-27 | 2022-11-11 | 日月重工股份有限公司 | 一种用3d打印生产大型铸钢件的方法 |
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JP3332215B2 (ja) * | 1998-07-13 | 2002-10-07 | トヨタ自動車株式会社 | 積層造形鋳型、積層造形鋳型を用いた鋳造方法 |
JP3856654B2 (ja) * | 2001-02-23 | 2006-12-13 | 松下電工株式会社 | 三次元形状造形物の製造方法 |
JP2003275846A (ja) * | 2002-03-20 | 2003-09-30 | Nakakin:Kk | 鋳造用砂型 |
JP2005171299A (ja) * | 2003-12-09 | 2005-06-30 | Toyota Motor Corp | 三次元造形物の製造方法 |
JP2014018835A (ja) * | 2012-07-19 | 2014-02-03 | Koiwai Co Ltd | 冷し金及び鋳造方法 |
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CN111804897A (zh) * | 2020-07-29 | 2020-10-23 | 共享装备股份有限公司 | 3d打印砂型工作箱升降转运装置 |
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