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1. 发明授权

US10040216B2 Powder particle layerwise three-dimensional printing process 有权
公开(公告)号：US10040216B2
公开(公告)日：2018-08-07
申请号：US14025343
申请日：2013-09-12
申请人： The ExOne Company
发明人： John A. Bai , Kevin D. Creehan , Howard A. Kuhn
IPC分类号： B28B1/00 , B29C67/00 , B33Y10/00 , B33Y30/00 , C04B35/01 , C04B35/053 , C04B35/111 , C04B35/14 , C04B35/26 , C04B35/453 , C04B35/457 , C04B35/46 , C04B35/486 , C04B35/505 , C04B35/528 , C04B35/56 , C04B35/565 , C04B35/581 , C04B35/584 , C04B35/632 , C04B35/634 , B22F3/00 , B29C64/165 , B29K105/00 , B29K31/00 , B29K303/04 , B29K303/06 , B22F1/00
CPC分类号： B28B1/001 , B22F1/0018 , B22F3/008 , B22F2998/10 , B29C64/165 , B29K2031/04 , B29K2039/06 , B29K2105/0005 , B29K2105/251 , B29K2303/04 , B29K2303/06 , B33Y10/00 , B33Y30/00 , C04B35/01 , C04B35/053 , C04B35/111 , C04B35/14 , C04B35/26 , C04B35/453 , C04B35/457 , C04B35/46 , C04B35/486 , C04B35/505 , C04B35/528 , C04B35/5626 , C04B35/565 , C04B35/581 , C04B35/584 , C04B35/632 , C04B35/634 , C04B2235/6026 , B22F3/1017
摘要： Three-dimensional printing processes are disclosed which utilize printable fluids comprising a carrier fluid, a polymeric binder, and nanoparticles. The three-dimensional printing processes are useful for making articles from a build material powder, e.g., a ceramic, metal, metal alloy, or intermetallic powder. The nanoparticles enable low temperature interparticle bonding of the build material powder particles, e.g., by forming bridging bonds between adjacent powder particles, and/or increasing the interparticle friction between the build material powder particles to enhance the structural strength of the as-built article during a thermal treatment over at least a part of the temperature range which has as its low end the temperature at which the structural strength due to the binder becomes insubstantial and as its high end the temperature at which the structural strength due to interparticle sintering of the build material powder becomes substantial, i.e., the article's debile temperature range. Green density improvements are achievable.

2. 发明申请

US20150069649A1 Powder Particle Layerwise Three-Dimensional Printing Process 有权
标题翻译：粉末颗粒层状三维印刷工艺
公开(公告)号：US20150069649A1
公开(公告)日：2015-03-12
申请号：US14025343
申请日：2013-09-12
申请人： The ExOne Company
发明人： John A. Bai , Kevin D. Creehan , Howard A. Kuhn
IPC分类号： B28B1/00 , B29C67/00
CPC分类号： B28B1/001 , B22F1/0018 , B22F3/008 , B22F2998/10 , B29C64/165 , B29K2031/04 , B29K2039/06 , B29K2105/0005 , B29K2105/251 , B29K2303/04 , B29K2303/06 , B33Y10/00 , B33Y30/00 , C04B35/01 , C04B35/053 , C04B35/111 , C04B35/14 , C04B35/26 , C04B35/453 , C04B35/457 , C04B35/46 , C04B35/486 , C04B35/505 , C04B35/528 , C04B35/5626 , C04B35/565 , C04B35/581 , C04B35/584 , C04B35/632 , C04B35/634 , C04B2235/6026 , B22F3/1017
摘要： Three-dimensional printing processes are disclosed which utilize printable fluids comprising a carrier fluid, a polymeric binder, and nanoparticles. The three-dimensional printing processes are useful for making articles from a build material powder, e.g., a ceramic, metal, metal alloy, or intermetallic powder. The nanoparticles enable low temperature interparticle bonding of the build material powder particles, e.g., by forming bridging bonds between adjacent powder particles, and/or increasing the interparticle friction between the build material powder particles to enhance the structural strength of the as-built article during a thermal treatment over at least a part of the temperature range which has as its low end the temperature at which the structural strength due to the binder becomes insubstantial and as its high end the temperature at which the structural strength due to interparticle sintering of the build material powder becomes substantial, i.e., the article's debile temperature range. Green density improvements are achievable.
摘要翻译：公开了利用包含载体流体，聚合物粘合剂和纳米颗粒的可印刷流体的三维印刷方法。三维印刷方法可用于从建筑材料粉末制造制品，例如陶瓷，金属，金属合金或金属间金属粉末。纳米颗粒使得构建材料粉末颗粒的低温颗粒间粘合，例如通过在相邻的粉末颗粒之间形成桥接键和/或增加构建材料粉末颗粒之间的颗粒间摩擦，以增强构建的制品的结构强度在至少一部分温度范围内进行热处理，该温度范围的低端是由于粘合剂引起的结构强度变得不实际的温度，并且由于其高端，由于构件的颗粒间烧结而引起的结构强度的温度材料粉末变得很大，即物品的不良温度范围。可实现绿色密度改进。

3. 发明申请

US20160332373A1 Methods and Systems for Three-Dimensional Printing Utilizing Multiple Binder Fluids 审中-公开
标题翻译：利用多个粘结剂流体进行三维打印的方法和系统
公开(公告)号：US20160332373A1
公开(公告)日：2016-11-17
申请号：US15107537
申请日：2014-12-17
申请人： THE EXONE COMPANY
发明人： Howard A. Kuhn , Jason W. Plymire , Rick D. Lucas , Jesse M. Blacker , Daniel T. Brunermer , Thomas Lizzi
IPC分类号： B29C67/00 , B33Y30/00 , B33Y50/02 , B33Y10/00
CPC分类号： B29C67/0081 , B29C64/165 , B29C64/386 , B29C64/40 , B29K2105/251 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y70/00
摘要： Methods and systems (2) are disclosed for making articles (114) by three-dimensional printing. The methods include selectively printing by jet deposition on successive layers (4) of a build material powder (10) at least one of a first binder fluid and a second binder fluid. At least one of the first and second binder fluids includes a particulate matter (16) having mean particle size diameter which is less than that of the build material powder (10). The first binder fluid is characteristically different from the second binder fluid. The particulate matter (16) selectively deposited with a binder fluid can be used to locally tailor the physical properties of the article (114), e.g. by alloying with the build material powder, increasing densification, acting as a local infiltrant or infiltrant stop during heat treatment, locally modulating the local stress fields (e.g. by a mismatch of thermal coefficients of expansion), etc. Among the possible locally tailored properties is the surface finish of an interior or exterior surface of the article (114).
摘要翻译：公开了通过三维打印制造制品（114）的方法和系统（2）。所述方法包括通过喷射沉积在构建材料粉末（10）的连续层（4）上选择性地印刷第一粘合剂流体和第二粘合剂流体中的至少一种。第一和第二粘合剂流体中的至少一种包括具有小于构建材料粉末（10）的平均粒度直径的颗粒物质（16）。第一粘合剂流体与第二粘合剂流体的特征不同。选择性地沉积有粘合剂流体的颗粒物质（16）可以用于局部地定制物品（114）的物理性质，例如，通过与构建材料粉末合金化，增加致密化，在热处理期间作为局部渗透剂或浸渗剂停止，局部调制局部应力场（例如通过热膨胀系数的不匹配）等。在可能的局部定制性质中制品（114）的内表面或外表面的表面光洁度。

4. 发明申请

US20160243621A1 Three-Dimensional Printed Hot Isostatic Pressing Containers and Processes for Making Same 审中-公开
标题翻译：三维印刷热等静压机及其制作方法
公开(公告)号：US20160243621A1
公开(公告)日：2016-08-25
申请号：US15029097
申请日：2014-10-15
申请人： THE EXONE COMPANY
发明人： Rick D. Lucas , Howard A. Kuhn , Michael J. Orange , Thomas Lizzi
IPC分类号： B22F3/12 , B22F3/15 , B22F3/00
CPC分类号： B22F3/1266 , B22F3/008 , B22F3/1258 , B22F3/15 , B22F5/10 , B22F2003/153 , B22F2003/242 , B22F2301/15 , B22F2301/35 , B22F2302/20 , B22F2302/253 , B33Y10/00 , B33Y80/00 , C23C4/10 , C23C4/11 , C23C18/1644 , C23C18/32 , C25D7/04
摘要： Methods are disclosed for making a hot isostatic pressing container for hot isostatic pressing a powder material to form an article comprising three-dimensionally printing the container from a build powder, the container having a cavity for receiving the powder material and an outer section having an outer surface, the cavity having a surface and being shaped and sized so that hot isostatic pressing the container with the powder material within the cavity results in the production of the article. Methods are also disclosed for making the hot isostatically pressed article using the container.
摘要翻译：公开了用于制造用于热等静压压粉末材料的热等静压按压容器的方法，以形成包括从建筑粉末三维打印容器的制品，该容器具有用于容纳粉末材料的空腔和具有外部表面，空腔具有表面并且具有成形和尺寸，使得热空气将容器内的粉末材料压入空腔内导致制品的生产。还公开了使用容器制造热等静压制品的方法。

5. 发明申请

US20180236686A9 Powder Particle Layerwise Three-Dimensional Printing Process 有权
公开(公告)号：US20180236686A9
公开(公告)日：2018-08-23
申请号：US14025343
申请日：2013-09-12
申请人： The ExOne Company
发明人： John A. Bai , Kevin D. Creehan , Howard A. Kuhn
IPC分类号： B28B1/00 , B29C67/00
CPC分类号： B28B1/001 , B22F1/0018 , B22F3/008 , B22F2998/10 , B29C64/165 , B29K2031/04 , B29K2039/06 , B29K2105/0005 , B29K2105/251 , B29K2303/04 , B29K2303/06 , B33Y10/00 , B33Y30/00 , C04B35/01 , C04B35/053 , C04B35/111 , C04B35/14 , C04B35/26 , C04B35/453 , C04B35/457 , C04B35/46 , C04B35/486 , C04B35/505 , C04B35/528 , C04B35/5626 , C04B35/565 , C04B35/581 , C04B35/584 , C04B35/632 , C04B35/634 , C04B2235/6026 , B22F3/1017
摘要： Three-dimensional printing processes are disclosed which utilize printable fluids comprising a carrier fluid, a polymeric binder, and nanoparticles. The three-dimensional printing processes are useful for making articles from a build material powder, e.g., a ceramic, metal, metal alloy, or intermetallic powder. The nanoparticles enable low temperature interparticle bonding of the build material powder particles, e.g., by forming bridging bonds between adjacent powder particles, and/or increasing the interparticle friction between the build material powder particles to enhance the structural strength of the as-built article during a thermal treatment over at least a part of the temperature range which has as its low end the temperature at which the structural strength due to the binder becomes insubstantial and as its high end the temperature at which the structural strength due to interparticle sintering of the build material powder becomes substantial, i.e., the article's debile temperature range. Green density improvements are achievable.

6. 发明申请

US20170120329A1 Process for Making Nickel-Based Superalloy Articles by Three-Dimensional Printing 审中-公开
公开(公告)号：US20170120329A1
公开(公告)日：2017-05-04
申请号：US15314120
申请日：2015-05-26
申请人： The ExOne Company
发明人： Michael J. Orange , Howard A. Kuhn , Paul P. Knor , Thomas Lizzi
IPC分类号： B22F3/10 , B33Y10/00 , F01D5/28 , B22F9/08 , B22F5/04 , B33Y80/00 , B33Y70/00
CPC分类号： B22F3/1035 , B22F3/008 , B22F3/1017 , B22F5/04 , B22F9/082 , B22F2009/0828 , B22F2301/15 , B22F2304/10 , B22F2998/10 , B22F2999/00 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C1/0433 , F01D5/28 , F05D2230/22 , F05D2300/175 , F05D2300/177
摘要： Methods are presented for making sintered articles from water-atomized nickel-based superalloy powders. Three-dimensional binder jet printing is used to make a printed article from the powder. The printed article is liquid phase sintered without slumping at a temperature at which at least fifteen volume percent of the powder is liquid during sintering.

7. 发明申请

US20160325495A1 Methods and Systems for Three-Dimensional Printing Utilizing a Jetted-Particle Binder Fluid 审中-公开
标题翻译：使用喷射颗粒粘结剂流体进行三维打印的方法和系统
公开(公告)号：US20160325495A1
公开(公告)日：2016-11-10
申请号：US15107528
申请日：2014-12-17
申请人： The ExOne Company
发明人： Howard A. Kuhn , Jason W. Plymire , Rick D. Lucas , Jesse Blacker , Daniel T. Brunermer , Thomas Lizzi
IPC分类号： B29C67/00 , B33Y30/00 , B33Y50/02 , B33Y10/00
CPC分类号： B29C64/165 , B28B1/001 , B29K2105/16 , B33Y10/00 , B33Y70/00 , C04B35/52 , C04B35/522 , C04B35/622 , C04B35/6263 , C04B2235/5427 , C04B2235/5436 , C04B2235/5472 , C04B2235/6026
摘要： Methods and systems (20) are disclosed for making articles by three-dimensional printing. The methods include three-dimensionally printing articles by selectively jet-depositing a particle-bearing binder fluid (14) upon successive layers (4) of a build material powder (10) such that the particles (16) deposited with the binder fluid (14) increase the apparent density of the as-printed article. The particulate matter (16) of the binder fluid (12) is smaller than the mean particle size of the build material powder (10). Preferably, this jet-deposited particulate matter (16) has a mean particle size that is larger than about 1 to and smaller than or equal to 50 microns. The jet-deposited matter (16) acts to fill in the interparticle interstices of the build material powder (10) thereby simultaneously increasing the density of the printed article and improving its surface roughness and contour resolution, which in turn, improves the surface finish of the final article. The systems (20) include binder fluid handling systems (26) which are adapted to jet a binder fluid (14) containing such particulate matter (16).
摘要翻译：公开了用于通过三维打印制造制品的方法和系统（20）。所述方法包括通过在构建材料粉末（10）的连续层（4）上选择性地喷射沉积含颗粒的粘结剂流体（14）使得沉积有粘合剂流体（14）的颗粒（16））增加印刷品的表观密度。粘合剂流体（12）的颗粒物质（16）小于构成材料粉末（10）的平均粒度。优选地，该喷射沉积颗粒物质（16）具有大于约1至小于或等于50微米的平均粒度。喷射沉积物（16）用于填充构成材料粉末（10）的颗粒间隙，从而同时增加印刷制品的密度并提高其表面粗糙度和轮廓分辨率，这又提高了表面光洁度最后的文章。系统（20）包括粘合剂流体处理系统（26），其适于喷射含有这种颗粒物质（16）的粘合剂流体（14）。

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