JP2012509762A - 組成勾配を有する物体を形成するための粉体混合物を堆積させる装置及び方法 - Google Patents
組成勾配を有する物体を形成するための粉体混合物を堆積させる装置及び方法 Download PDFInfo
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Abstract
【選択図】図1
Description
異なる粉体(A1,…,An)のそれぞれを収容するための複数のタンク(R1,…,Rn)と、
上記タンク(R1,…,Rn)の下方に配置した粉体ミキサであり、回転可能に取り付けた混合部材を含み、タンクからの粉体(A1,…,An)を衝突させるための粉体ミキサと、
タンク(R1,…,Rn)とそれぞれが協働し、タンクから上記ミキサへ向かって排出される粉体の質量流量を調整するようそれぞれを設計した、複数の粉体分配手段と、
上記ミキサの下方に配置してミキサに連通させた粉体混合物コレクタと、
上記粉末混合物コレクタの下方に配置して粉体混合物コレクタに連通させた粉体混合物ディスペンサと、
を備える装置である。
上記期間Tにわたる、堆積させるべき粉体混合物中の粉体A1,…,Anの質量比の経時的変化と、
この混合物中の粉体A1,…,Anの質量比に応じた、堆積後の粉体混合物の比重の代表値と、
所与の質量比を有する粉体混合物を得るために粉体分配手段に制御を伝送する瞬間から、この粉体混合物を堆積させる瞬間までの間に経過した時間に相当する、堆積装置に関連する待ち時間(tl)と、
を考慮する。
Claims (15)
- 組成勾配を有する物体を形成するために粉体混合物を堆積させる装置(1)であって、
異なる粉体(A1,…,An)のそれぞれを収容するための複数のタンク(R1,…,Rn)と、
該タンク(R1,…,Rn)の下方に配置した粉体ミキサ(30)であり、回転可能に取り付けた混合部材(32)を含み、前記タンクからの前記粉体(A1,…,An)を衝突させるための粉体ミキサ(30)と、
前記タンク(R1,…,Rn)とそれぞれが協働し、該タンクから前記ミキサへ向かって排出される前記粉体の質量流量を調整するようそれぞれを設計した、複数の粉体分配手段(4,6)と、
前記ミキサ(30)の下方に配置して該ミキサに連通させた粉体混合物コレクタ(56)と、
該粉体混合物コレクタ(56)の下方に配置して該粉体混合物コレクタに連通させた粉体混合物ディスペンサ(60)と、
を備える装置。 - 請求項1に記載の装置において、前記回転可能に取り付けた混合部材(32)は、該部材の回転軸線に相当する軸(2)を有する概ね円錐形の第1の粉体衝突面(40)を有することを特徴とする装置。
- 請求項2に記載の装置において、前記ミキサ(30)は、概ね円錐形の第2の粉体衝突面(42)を含み、該第2の粉体衝突面は、前記第1の粉体衝突面(40)との間に前記粉体を通すための概ね円錐形の間隙(44)を形成するために、前記第1の粉体衝突面と同軸上に対向して配設したことを特徴とする装置。
- 請求項2に記載の装置において、概ね円錐形の前記第1の粉体衝突面(40)は、1つ又は複数の凹部(4,6)を有することを特徴とする装置。
- 請求項1〜4のいずれか1項に記載の装置において、前記混合部材(32)は、前記ミキサの案内部品(52)に回転可能に取り付け、該案内部品に、前記粉体混合物コレクタ(56)の上方で該粉体混合物コレクタと連通する1つ又は複数の通過オリフィス(54)を設けたことを特徴とする装置。
- 請求項5に記載の装置において、前記通過オリフィス(54)のそれぞれの画定面の任意の点で、該画定面は、垂直線と40°未満、好ましくは30°未満の角度を形成することを特徴とする装置。
- 請求項1〜6のいずれか1項に記載の装置において、前記粉体混合物コレクタ(56)の画定面(58)の任意の点で、該画定面は、垂直線と40°未満、好ましくは30°未満の角度を形成することを特徴とする装置。
- 請求項1〜7のいずれか1項に記載の装置において、前記分配手段(4,6)の下方で該分配手段と前記ミキサと(30)の間に配置した前記粉体(A1,…,An)のコレクタ(26)をさらに含むことを特徴とする装置。
- 請求項8に記載の装置において、前記粉体(A1,…,An)の前記コレクタ(26)の画定面(28)の任意の点で、該画定面(28)は、垂直線と40°未満、好ましくは30°未満の角度をなすことを特徴とする装置。
- 請求項1〜9のいずれか1項に記載の装置において、前記分配手段(4,6)のそれぞれは、粉体支持要素(14)の振動による粉体送出装置の形態をとることを特徴とする、装置。
- 組成勾配を有する物体を形成するための粉体混合物を堆積させる設備(100)であって、空間的移動手段(102)に取り付けた請求項1〜10のいずれか1項に記載の装置(1)を備え、且つ前記移動手段(102)及び前記分配手段(4,6)のそれぞれを制御することができる制御ユニット(104)を備える設備。
- 請求項11に記載の設備において、前記制御ユニット(104)は、前記分配手段(4,6)のそれぞれを期間Tにわたって制御するために、
該期間Tにわたる、堆積させるべき粉体混合物中の粉体(A1,…,An)の質量比の経時的変化と、
前記混合物中の前記粉体(A1,…,An)の質量比に応じた、堆積後の前記粉体混合物の比重の代表値と、
所与の質量比を有する粉体混合物を得るために前記粉体分配手段に制御を伝送する瞬間から、前記粉体混合物を堆積する瞬間までの間に経過した時間に相当する、前記堆積装置に関連する待ち時間(tl)と、
を考慮することを特徴とする設備。 - 請求項11又は12に記載の設備において、前記制御ユニット(104)は、期間Tにわたって前記堆積装置始動手段(102)を制御するために、前記期間Tにわたる粉体混合物ディスペンサ(60)で採用すべき位置(x,y)の経時的変化を考慮することを特徴とする設備。
- 請求項1〜10のいずれか1項に記載の装置(1)又は請求項11〜13のいずれか1項に記載の設備(100)により組成勾配を有する物体を作製する方法であって、前記粉体混合ディスペンサ(60)を支持体(108)に対して始動させることにより、該支持体(108)上に堆積した少なくとも1つの粉体混合物層(114)の形成から組成勾配を有する物体を作製する方法。
- 請求項14に記載の方法において、前記粉体混合物層(114)を作製するために、前記粉体混合物ディスペンサ(60)を始動させて、前記層を堆積させるべき前記支持体(108)の表面のスイープを行い、前記スイープ中に、分配手段(4,6)の少なくとも一方の制御を変化させることを特徴とする方法。
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PCT/EP2009/065932 WO2010060969A1 (fr) | 2008-11-27 | 2009-11-26 | Dispositif et procede de depot d'un melange de poudres pour la formation d'un objet a gradients de composition |
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FR2996628B1 (fr) | 2012-10-04 | 2014-12-26 | Commissariat Energie Atomique | Reservoir de stockage d'hydrogene a hydrures metalliques de fabrication simplifiee et dispositif de stockage comportant au moins un tel reservoir |
CN102886224A (zh) * | 2012-10-09 | 2013-01-23 | 安徽红星阀门有限公司 | 一种搅拌罐 |
WO2014117097A2 (en) * | 2013-01-28 | 2014-07-31 | National Oilwell Varco, L.P. | Accurate placement of powders to form optimized polycrystalline diamond cutter elements and cutting tools |
DE102014213914A1 (de) * | 2014-07-17 | 2016-01-21 | Siemens Aktiengesellschaft | Pulverschalter zum Mischen |
US20190134897A1 (en) * | 2016-07-27 | 2019-05-09 | Hewlett-Packard Development Company, L.P. | Providing powder in three-dimensional (3d) additive manufacturing |
AU2018431621B2 (en) * | 2018-07-11 | 2020-07-23 | Edgar Donald Knott | A method and apparatus for the manufacture of foamed plaster |
CN111871318A (zh) * | 2020-08-10 | 2020-11-03 | 重庆市大足区瑞丰现代农业发展有限公司 | 一种具体多物料混合功能的一体化羊粪收集分散装置 |
CN112893878B (zh) * | 2021-01-18 | 2022-11-29 | 韶关学院 | 一种梯度材料粉末混合装置及其方法 |
CN113333746B (zh) * | 2021-07-21 | 2022-12-16 | 浙江中平粉末冶金有限公司 | 一种粉末冶金用冲压设备 |
DE102022104741A1 (de) * | 2022-02-28 | 2023-09-14 | Bredent Gmbh & Co. Kg | Vorrichtung und Verfahren zur Mischung von Bestandteilen eines keramischen Ausgangsstoffes |
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US9010272B2 (en) | 2015-04-21 |
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FR2938836A1 (fr) | 2010-05-28 |
WO2010060969A1 (fr) | 2010-06-03 |
US20110262638A1 (en) | 2011-10-27 |
KR20110092279A (ko) | 2011-08-17 |
CN102238999B (zh) | 2013-12-11 |
EP2367614B1 (fr) | 2013-12-11 |
JP5738194B2 (ja) | 2015-06-17 |
EP2367614A1 (fr) | 2011-09-28 |
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