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    • 4. 发明公开
    • PROCEDE ET APPAREIL POUR REALISER DES OBJETS TRIDIMENSIONNELS
    • VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON DREIDIMENSIONALEN OBJEKTEN
    • EP2794151A1
    • 2014-10-29
    • EP12812994.7
    • 2012-12-21
    • Compagnie Générale des Etablissements MichelinMICHELIN Recherche et Technique S.A.
    • BESSAC, ChristophePIALOT, FrédéricWALRAND, Gilles
    • B22F3/00B22F3/105B29C67/00
    • B29C64/386B22F3/1055B22F2003/1056B29C64/141B29C64/153B29K2105/251B33Y10/00B33Y30/00Y02P10/295
    • The invention relates to an apparatus and method for manufacturing a three-dimensional object (2) by consecutively consolidating, layer by layer, selected areas of a powder stratum, the consolidated areas corresponding to consecutive sections of the three-dimensional object, each layer being divided into an inner central portion (22) and an outer edge (21), said method comprising the following steps, in order: a) depositing a powder layer onto a substrate; b) melting the outer edge of said powder layer using a laser beam (19) from a first power source by moving the laser beam from said first power source relative to the object (2) along a predetermined path that follows the outline of said outer edge (21) corresponding to the outline of the cross-section of the object so as to selectively melt said layer; c) melting the inner central portion of the powder layer using an electron beam (20) from a second power source by moving the electron beam from said second power source relative to the object by sweeping said inner central portion (22) over a predetermined path corresponding to the inner central portion (22) of the cross-section of the object so as to selectively melt said layer; or d) repeating steps a and b N times so as to form a plurality of layers of melted material, arranged one on top of the other, thereby forming a portion of the outer edge (21) of said object (2), and then carrying out step c so as to melt the inner central portion (22) of the object (2) corresponding to the N powder layers; and e) repeating steps a to c or a, b, and d until all of the layers of the object are consolidated.
    • 一种用于通过连续逐层固结粉末层的选定区域来制造三维物体的装置和方法,所述固结区域对应于三维物体的连续部分,每层被分成中心内部 部分和外部边界,所述方法包括以下步骤:a-将粉末层沉积在保持器上; 通过沿着所述第一能量源的激光束相对于物体沿着预定的路径移动来自第一能量源的激光束来对所述粉末层的外部边界进行b熔合,所述预设路径遵循对应于 物体的横截面的轮廓,以便选择性地融合所述层; 以及通过借助于源自第二能量源的电子束,将所述第二能量源的电子束相对于所述物体移动,以使所述粉末层的中心​​内部部分沿着所述中心内部部分扫过所述中心内部, 与所述物体的横截面的中央内部相对应的预设路径,以选择地熔合所述层; 或d重复步骤a和b N次,以便形成形成所述物体的外部边界的一部分的熔融材料的多个重叠层,然后执行步骤c,以熔化对象的中心内部部分 到N粉末层; 以及e重复步骤a至c或a,b和d,直到对象的所有层被整合为止。
    • 5. 发明公开
    • MACHINE ET PROCÉDÉ POUR LA FABRICATION ADDITIVE À BASE DE POUDRE
    • MACHINE ETPROCÉDÉPOUR LA制造添加剂ÀBASE DE POUDRE
    • EP2879819A2
    • 2015-06-10
    • EP13744537.5
    • 2013-07-31
    • Compagnie Générale des Etablissements MichelinMICHELIN Recherche et Technique S.A.
    • PIALOT, FrédéricTORRES-CATELLANO, MiguelWALRAND, GillesPOURCHER, Benoit
    • B22F3/105B29C67/00
    • B22F3/1055B22F3/003B22F2003/1056B22F2003/1058B23K15/0086B23K26/342B28B1/001B29C64/153B29C64/20B33Y10/00B33Y30/00Y02P10/295
    • A machine (1) for the additive manufacturing of a three-dimensional object by sintering or melting powder (2) using an energy beam (3) acting on a layer of powder in a work area (4), said work area being defined in the upper portion by: - a construction liner (41) fixedly mounted inside a frame (40), inside which liner said object is manufactured supported by - a manufacturing table (7) which slides inside said construction liner (41) when it is driven in vertical translation by - the head (32) of a ram (31) positioned along the central axis of said liner. According to the invention, said manufacturing table (7) is disposed inside a transport container (60) which is arranged removably between said liner and said ram (31), - the machine comprises means for moving the transport container (60) vertically into contact with the construction liner (41), and - the container is open at the top and at the bottom such that, when the ram (31) is actuated, the head (32) thereof can transfer said table (7) between said transport container (60) and said construction liner (41) that forms a construction frame around said table.
    • 1。一种用于通过使用作用于工作区(4)中的粉末层上的能量束(3)来烧结或熔化粉末(2)来添加制造三维物体的机器(1),所述工作区域被限定在 上部通过: - 固定地安装在框架(40)内部的构造衬里(41),在该衬里内制造所述物体; - 制造台(7),其在所述构造衬里(41)内被驱动时滑动 通过沿着所述衬套的中心轴定位的冲头(31)的头部(32)进行垂直平移。 根据本发明,所述制造台(7)设置在可拆卸地设置在所述衬套和所述压头(31)之间的运输容器(60)内部, - 所述机器包括用于将所述运输容器(60)竖直移动到接触 与所述施工衬垫(41)之间,并且 - 所述容器在顶部和底部是开放的,使得当所述推杆(31)被致动时,其头部(32)可以将所述工作台(7) (60)和所述构造衬垫(41),所述构造衬垫在所述桌子周围形成构造框架。
    • 6. 发明公开
    • MACHINE ET PROCÉDÉ POUR LA FABRICATION ADDITIVE À BASE DE POUDRE
    • MASCHINE UND VERFAHREN ZUR HERSTELLUNG EINES AUF PULVER BASIERENDEN ADDITIVS
    • EP2855055A2
    • 2015-04-08
    • EP13727854.5
    • 2013-06-03
    • Compagnie Générale des Etablissements MichelinMICHELIN Recherche et Technique S.A.
    • PIALOT, FrédéricWALRAND, GillesWIEL, Pierre
    • B22F3/105B29C67/00
    • B22F3/1055B22F2003/1056B22F2003/1058B23K15/0086B23K26/342B28B1/001B29C64/153B29C70/443B33Y10/00B33Y30/00Y02P10/295
    • The invention concerns, in particular, a machine (1) for additive manufacturing by sintering or melting powder (2) using an energy beam (3) acting on a layer of powder (23) in a work area (4), said machine comprising a layering device for layering said powder, said device comprising: - storage means (5) for storing the powder, - distribution means (6) for distributing the powder capable of traversing the work area in order to distribute the powder in a layer (23) having a final thickness (24) suitable for additive manufacturing, - supply means (7) capable of transferring the powder from the storage means (5) to the distribution means (6), - dosing means (8) capable of controlling the quantity of powder transferred from the storage means (5) to the distribution means (6), said machine being characterised in that: - the storage means (5) are placed higher than the work area (4), - the supply means (7) use gravity, - the supply means (7) and the dosing means (8) are movable with the distribution means (6), - the machine comprises two separate work areas (41, 42), the machine comprises two separate work plates (601, 602) that can be moved independent of each other, - each of the two separate work plates (601, 602) is associated with only one of the two separate work areas and - the layering device is shared by the two work areas.
    • 作用于工作区中的粉末层,其中包含用于分层所述粉末的装置,所述装置包括:用于储存粉末的装置,用于分配粉末的装置,所述装置在工作区域上行进以将粉末分布在具有用于添加剂制造的最终厚度的层中 供给装置,将粉末从储存装置转移到分配装置;计量装置,用于控制从储存装置转移到分配装置的粉末的数量;所述机器的特征在于:储存装置位于工作区域以上,进料装置利用重力, 装置和计量装置与分配装置一起移动,机器具有两个独立的工作区域和两个独立的工作托盘,每个工作托盘彼此独立地移动,每个工作托盘仅与一个工作区域相关联,并且分层装置与 两个工作区。
    • 9. 发明申请
    • MACHINE ET PROCÉDÉ POUR LA FABRICATION ADDITIVE À BASE DE POUDRE
    • 基于粉末添加剂制造的机器和方法
    • WO2013092757A1
    • 2013-06-27
    • PCT/EP2012/076225
    • 2012-12-19
    • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINMICHELIN RECHERCHE ET TECHNIQUE S.A.
    • PIALOT, FrédéricWALRAND, GillesWIEL, Pierre
    • B22F3/105B29C67/00B23K26/34C04B35/64
    • B22F7/02B05C19/04B05D3/007B05D3/14B22F3/105B22F3/1055B22F2003/1056B23K35/0244B29C64/153B29C64/20B33Y30/00Y02P10/295
    • L'invention concerne en particulier une machine (1) pour la fabrication additive par frittage ou fusion de poudre (2) à l'aide d'un faisceau énergétique (3) agissant sur une couche de poudre (23) dans une zone de travail (4), ladite machine comprenant un dispositif de mise en couche de ladite poudre, ledit dispositif comprenant : • des moyens de stockage (5) de la poudre, • des moyens de répartition (6) de la poudre aptes à parcourir la zone de travail afin de répartir la poudre en une couche (23) d'épaisseur finale (24) adaptée à la fabrication additive, • des moyens d'alimentation (7) aptes à transférer la poudre des moyens de stockage (5) aux moyens de répartition (6), • des moyens de dosage (8) aptes à contrôler la quantité de poudre transférée des moyens de stockage (5) aux moyens de répartition (6), ladite machine étant caractérisée en ce que : • les moyens de stockage (5) sont placés plus haut que la zone de travail (4), • les moyens d'alimentation (7) utilisent la gravité, et • les moyens d'alimentation (7) et les moyens de dosage (8) sont mobiles avec les moyens de répartition (6).
    • 本发明特别涉及一种用于添加剂制造的机器(1),其使用作用在工作区域(4)中的粉末层(23)上的能量束(3)来熔化或熔化粉末(2),所述机器包括装置 用于生产所述粉末的层,所述装置包括:存储所述粉末的装置(5); 用于分配粉末的装置(6),其能够在工作区域上行进,以便将粉末分布在具有适于添加剂制造的最终厚度(24)的层(23)中; 能够将粉末从储存装置(5)转移到分配装置(6)的进料装置(7); 以及能够控制从存储装置(5)传送到分配装置(6)的粉末的量的计量装置(8),所述机器的特征在于:存储装置(5)位于工作区域(4)的上方 ); 进给装置(7)是重力供给装置; 并且供给装置(7)和计量装置(8)能够与分配装置(6)一起移动。