JP2020199538A - 三次元積層装置および方法 - Google Patents
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Abstract
Description
2 三次元積層室
3 予備室
4 積層ヘッド収納室
4a,5a Z軸スライド部
5 機械加工部収納室
6,7 扉
10 ベッド
11 テーブル部
12 積層ヘッド
13 機械加工部
15 Y軸スライド部
16 X軸スライド部
17 回転テーブル部(照射角度変更部)
17a 固定台
17b 回転テーブル
17c 傾斜テーブル
17d 回転テーブル
18,19 ベローズ
20 制御装置
22 工具
23 ノズル
24 先端部
25 空気排出部
30 形状計測部
31 加熱ヘッド
32 装置計測部
33 工具交換部
34 ノズル交換部
35 粉末導入部
36 基台移動部
37 空気排出部
38 ガス導入部
39 粉末回収部
41 外管
42 内管
43 粉末流路(粉末供給部)
44 レーザ経路(光照射部)
45 ノズル噴射口部(粉末供給部)
46 本体
47 光源
48 光ファイバ
49 集光部
51 入力部
52 制御部
53 記憶部
54 出力部
55 通信部
90 加工対象物
91 加工面
92 成形層
93 三次元形状物
93a,93b 表面
94,95 溶融プール
100 基台部
102,104,106,108 矢印
110, 回転軸
151 第1成形層
151a ビード
152 第2成形層
153 第3成形層
154 第4成形層
155,156,157,158,159 成形層
160 三次元形状物
170 軸
171 外周面
172 翼
173 先端部
174 切断面
175,176,177 成形層
C オーバーハングする方向
F 焦点
M1 移動方向
M2 加工方向
L レーザ光(光ビーム)
O 中心軸
P 粉末
t1,t2 厚さ
Claims (8)
- 加工対象物に成形層を積層させてオーバーハング形状をなす三次元形状物を形成する三次元積層装置であって、
前記加工対象物の加工面に向けて粉末材料を供給する粉末供給部と、
前記粉末材料に光ビームを照射して前記光ビームが照射された前記粉末材料の少なくとも一部を焼結または溶融固化させて前記成形層を形成する光照射部と、
前記光照射部が前記加工面に照射する前記光ビームの照射角度を変更する照射角度変更部と、
前記加工面に対するオーバーハングする側の前記照射角度が前記成形層を形成可能な範囲で90度未満になるように前記照射角度変更部を制御する制御部と、
を備えることを特徴とする三次元積層装置。 - 前記制御部は、前記成形層の表面に前記成形層を積層するとき、前記加工面に対するオーバーハングする側の前記照射角度が徐々に小さくなるように前記照射角度変更部を制御することを特徴とする請求項1に記載の三次元積層装置。
- 前記制御部は、前記成形層の表面に対する前記照射角度が90度になるように前記照射角度変更部を制御することを特徴とする請求項1または請求項2に記載の三次元積層装置。
- 前記制御部は、オーバーハングする側の前記成形層の厚さがオーバーハングしない側の前記成形層の厚さより薄くなるように前記粉末供給部および前記光照射部を制御することを特徴とする請求項1から請求項3のいずれか一項に記載の三次元積層装置。
- 積層ヘッドの中心部に前記光照射部が設けられ、前記積層ヘッドにおける前記光照射部の周囲に前記粉末供給部が設けられ、前記照射角度変更部は、前記照射角度を変更するとき、前記粉末供給部が前記加工面に噴射する噴射角度も変更することを特徴とする請求項1から請求項4のいずれか一項に記載の三次元積層装置。
- 加工対象物に成形層を積層させてオーバーハング形状をなす三次元形状物を形成する三次元積層方法であって、
前記加工対象物の加工面に向けて粉末材料を供給する工程と、
前記粉末材料に光ビームを照射して前記光ビームが照射された前記粉末材料の少なくとも一部を焼結または溶融固化させて前記成形層を形成する工程と、
前記成形層を形成するときに前記加工面に対するオーバーハングする側の前記光ビームの照射角度が前記成形層を形成可能な範囲で90度未満になるようにする工程と、
を有することを特徴とする三次元積層方法。 - 前記成形層の表面に前記成形層を積層するとき、前記加工面に対するオーバーハングする側の前記照射角度が徐々に小さくなるようにすることを特徴とする請求項6に記載の三次元積層方法。
- オーバーハング形状をなす三次元形状物の先端部をオーバーハングする方向に対して直交する方向の切断面で切断し、前記切断面に対するオーバーハングする側の前記光ビームの照射角度が前記成形層を形成可能な範囲で90度未満になるようにして前記成形層を形成することを特徴とする請求項6または請求項7に記載の三次元積層方法。
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JP2019108960A JP7362306B2 (ja) | 2019-06-11 | 2019-06-11 | 三次元積層装置および方法 |
CN201980090748.6A CN113365776A (zh) | 2019-06-11 | 2019-12-13 | 三维层叠装置及方法 |
EP19932818.8A EP3903990A4 (en) | 2019-06-11 | 2019-12-13 | THREE-DIMENSIONAL LAMINATION DEVICE AND METHOD |
PCT/JP2019/048862 WO2020250463A1 (ja) | 2019-06-11 | 2019-12-13 | 三次元積層装置および方法 |
US17/426,915 US20220097142A1 (en) | 2019-06-11 | 2019-12-13 | Three-dimensional deposition device and method |
TW109119479A TWI741645B (zh) | 2019-06-11 | 2020-06-10 | 三維積層裝置及方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022201346A1 (ja) * | 2021-03-24 | 2022-09-29 | 株式会社ニコン | 造形装置及び造形方法 |
WO2022220131A1 (ja) * | 2021-04-15 | 2022-10-20 | 国立大学法人京都大学 | 付加加工装置、付加加工装置の制御方法、および、付加加工装置の制御プログラム |
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US20030206820A1 (en) * | 1999-07-07 | 2003-11-06 | Keicher David M. | Forming structures from CAD solid models |
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DE102015216402A1 (de) * | 2015-08-27 | 2017-03-02 | MTU Aero Engines AG | Vorrichtung und Verfahren zur Herstellung oder Reparatur eines dreidimensionalen Objekts |
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CN113365776A (zh) | 2021-09-07 |
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